Add changelog for v1.13.3 (#14877)

Add changelog for v1.13.3

Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: techknowlogick <matti@mdranta.net>

CHANGELOG.md

@@ -4,6 +4,29 @@ This changelog goes through all the changes that have been made in each release
 without substantial changes to our git log; to see the highlights of what has
 been added to each release, please refer to the [blog](https://blog.gitea.io).
 
+## [1.13.3](https://github.com/go-gitea/gitea/releases/tag/v1.13.3) - 2021-03-04
+
+* BREAKING
+  * Turn default hash password algorithm back to pbkdf2 from argon2 until we find a better one (#14673) (#14675)
+* BUGFIXES
+  * Fix paging of file commit logs (#14831) (#14879)
+  * Print useful error if SQLite is used in settings but not supported (#14476) (#14874)
+  * Fix display since time round (#14226) (#14873)
+  * When Deleting Repository only explicitly close PRs whose base is not this repository (#14823) (#14842)
+  * Set HCaptchaSiteKey on Link Account pages (#14834) (#14839)
+  * Fix a couple of CommentAsPatch issues.  (#14804) (#14820)
+  * Disable broken OAuth2 providers at startup (#14802) (#14811)
+  * Repo Transfer permission checks (#14792) (#14794)
+  * Fix double alert in oauth2 application edit view (#14764) (#14768)
+  * Fix broken spans in diffs (#14678) (#14683)
+  * Prevent race in PersistableChannelUniqueQueue.Has (#14651) (#14676)
+  * HasPreviousCommit causes recursive load of commits unnecessarily (#14598) (#14649)
+  * Do not assume all 40 char strings are SHA1s (#14624) (#14648)
+  * Allow org labels to be set with issue templates (#14593) (#14647)
+  * Accept multiple SSH keys in single LDAP SSHPublicKey attribute (#13989) (#14607)
+  * Fix bug about ListOptions and stars/watchers pagnation (#14556) (#14573)
+  * Fix GPG key deletion during account deletion (#14561) (#14569)
+
 ## [1.13.2](https://github.com/go-gitea/gitea/releases/tag/v1.13.2) - 2021-01-31
 
 * SECURITY

Makefile

@@ -585,7 +585,7 @@ release-darwin: | $(DIST_DIRS)
 	@hash xgo > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
 		GO111MODULE=off $(GO) get -u src.techknowlogick.com/xgo; \
 	fi
-	CGO_CFLAGS="$(CGO_CFLAGS)" GO111MODULE=off xgo -go $(XGO_VERSION) -dest $(DIST)/binaries -tags 'netgo osusergo $(TAGS)' -ldflags '$(LDFLAGS)' -targets 'darwin/*' -out gitea-$(VERSION) .
+	CGO_CFLAGS="$(CGO_CFLAGS)" GO111MODULE=off xgo -go $(XGO_VERSION) -dest $(DIST)/binaries -tags 'netgo osusergo $(TAGS)' -ldflags '$(LDFLAGS)' -targets 'darwin/amd64' -out gitea-$(VERSION) .
 ifeq ($(CI),drone)
 	cp /build/* $(DIST)/binaries
 endif

custom/conf/app.example.ini

@@ -548,7 +548,7 @@ ONLY_ALLOW_PUSH_IF_GITEA_ENVIRONMENT_SET = true
 ;Classes include "lower,upper,digit,spec"
 PASSWORD_COMPLEXITY = off
 ; Password Hash algorithm, either "argon2", "pbkdf2", "scrypt" or "bcrypt"
-PASSWORD_HASH_ALGO = argon2
+PASSWORD_HASH_ALGO = pbkdf2
 ; Set false to allow JavaScript to read CSRF cookie
 CSRF_COOKIE_HTTP_ONLY = true
 ; Validate against https://haveibeenpwned.com/Passwords to see if a password has been exposed

docs/content/doc/advanced/config-cheat-sheet.en-us.md

@@ -402,7 +402,7 @@ relation to port exhaustion.
 - `IMPORT_LOCAL_PATHS`: **false**: Set to `false` to prevent all users (including admin) from importing local path on server.
 - `INTERNAL_TOKEN`: **\<random at every install if no uri set\>**: Secret used to validate communication within Gitea binary.
 - `INTERNAL_TOKEN_URI`: **<empty>**: Instead of defining internal token in the configuration, this configuration option can be used to give Gitea a path to a file that contains the internal token (example value: `file:/etc/gitea/internal_token`)
-- `PASSWORD_HASH_ALGO`: **argon2**: The hash algorithm to use \[argon2, pbkdf2, scrypt, bcrypt\].
+- `PASSWORD_HASH_ALGO`: **pbkdf2**: The hash algorithm to use \[argon2, pbkdf2, scrypt, bcrypt\], argon2 will spend more memory than others.
 - `CSRF_COOKIE_HTTP_ONLY`: **true**: Set false to allow JavaScript to read CSRF cookie.
 - `MIN_PASSWORD_LENGTH`: **6**: Minimum password length for new users.
 - `PASSWORD_COMPLEXITY`: **off**: Comma separated list of character classes required to pass minimum complexity. If left empty or no valid values are specified, checking is disabled (off):

integrations/api_repo_test.go

@@ -445,11 +445,12 @@ func TestAPIRepoTransfer(t *testing.T) {
 		expectedStatus int
 	}{
 		{ctxUserID: 1, newOwner: "user2", teams: nil, expectedStatus: http.StatusAccepted},
-		{ctxUserID: 2, newOwner: "user1", teams: nil, expectedStatus: http.StatusAccepted},
+		{ctxUserID: 2, newOwner: "user1", teams: nil, expectedStatus: http.StatusForbidden},
 		{ctxUserID: 2, newOwner: "user6", teams: nil, expectedStatus: http.StatusForbidden},
 		{ctxUserID: 1, newOwner: "user2", teams: &[]int64{2}, expectedStatus: http.StatusUnprocessableEntity},
 		{ctxUserID: 1, newOwner: "user3", teams: &[]int64{5}, expectedStatus: http.StatusForbidden},
 		{ctxUserID: 1, newOwner: "user3", teams: &[]int64{2}, expectedStatus: http.StatusAccepted},
+		{ctxUserID: 2, newOwner: "user2", teams: nil, expectedStatus: http.StatusAccepted},
 	}
 
 	defer prepareTestEnv(t)()

integrations/auth_ldap_test.go

@@ -237,6 +237,6 @@ func TestLDAPUserSSHKeySync(t *testing.T) {
 			syncedKeys[i] = strings.TrimSpace(divs.Eq(i).Text())
 		}
 
-		assert.ElementsMatch(t, u.SSHKeys, syncedKeys)
+		assert.ElementsMatch(t, u.SSHKeys, syncedKeys, "Unequal number of keys synchronized for user: %s", u.UserName)
 	}
 }

models/commit_status_test.go

@@ -18,7 +18,7 @@ func TestGetCommitStatuses(t *testing.T) {
 
 	sha1 := "1234123412341234123412341234123412341234"
 
-	statuses, maxResults, err := GetCommitStatuses(repo1, sha1, &CommitStatusOptions{})
+	statuses, maxResults, err := GetCommitStatuses(repo1, sha1, &CommitStatusOptions{ListOptions: ListOptions{Page: 1, PageSize: 50}})
 	assert.NoError(t, err)
 	assert.Equal(t, int(maxResults), 5)
 	assert.Len(t, statuses, 5)

models/gpg_key.go

@@ -65,7 +65,11 @@ func (key *GPGKey) AfterLoad(session *xorm.Session) {
 
 // ListGPGKeys returns a list of public keys belongs to given user.
 func ListGPGKeys(uid int64, listOptions ListOptions) ([]*GPGKey, error) {
-	sess := x.Where("owner_id=? AND primary_key_id=''", uid)
+	return listGPGKeys(x, uid, listOptions)
+}
+
+func listGPGKeys(e Engine, uid int64, listOptions ListOptions) ([]*GPGKey, error) {
+	sess := e.Table(&GPGKey{}).Where("owner_id=? AND primary_key_id=''", uid)
 	if listOptions.Page != 0 {
 		sess = listOptions.setSessionPagination(sess)
 	}

models/list_options.go

@@ -16,13 +16,13 @@ type ListOptions struct {
 	Page     int // start from 1
 }
 
-func (opts ListOptions) getPaginatedSession() *xorm.Session {
+func (opts *ListOptions) getPaginatedSession() *xorm.Session {
 	opts.setDefaultValues()
 
 	return x.Limit(opts.PageSize, (opts.Page-1)*opts.PageSize)
 }
 
-func (opts ListOptions) setSessionPagination(sess *xorm.Session) *xorm.Session {
+func (opts *ListOptions) setSessionPagination(sess *xorm.Session) *xorm.Session {
 	opts.setDefaultValues()
 
 	if opts.PageSize <= 0 {
@@ -31,21 +31,21 @@ func (opts ListOptions) setSessionPagination(sess *xorm.Session) *xorm.Session {
 	return sess.Limit(opts.PageSize, (opts.Page-1)*opts.PageSize)
 }
 
-func (opts ListOptions) setEnginePagination(e Engine) Engine {
+func (opts *ListOptions) setEnginePagination(e Engine) Engine {
 	opts.setDefaultValues()
 
 	return e.Limit(opts.PageSize, (opts.Page-1)*opts.PageSize)
 }
 
 // GetStartEnd returns the start and end of the ListOptions
-func (opts ListOptions) GetStartEnd() (start, end int) {
+func (opts *ListOptions) GetStartEnd() (start, end int) {
 	opts.setDefaultValues()
 	start = (opts.Page - 1) * opts.PageSize
 	end = start + opts.Page
 	return
 }
 
-func (opts ListOptions) setDefaultValues() {
+func (opts *ListOptions) setDefaultValues() {
 	if opts.PageSize <= 0 {
 		opts.PageSize = setting.API.DefaultPagingNum
 	}

models/oauth2.go

@@ -8,6 +8,7 @@ import (
 	"sort"
 
 	"code.gitea.io/gitea/modules/auth/oauth2"
+	"code.gitea.io/gitea/modules/log"
 )
 
 // OAuth2Provider describes the display values of a single OAuth2 provider
@@ -135,7 +136,12 @@ func initOAuth2LoginSources() error {
 		oAuth2Config := source.OAuth2()
 		err := oauth2.RegisterProvider(source.Name, oAuth2Config.Provider, oAuth2Config.ClientID, oAuth2Config.ClientSecret, oAuth2Config.OpenIDConnectAutoDiscoveryURL, oAuth2Config.CustomURLMapping)
 		if err != nil {
-			return err
+			log.Critical("Unable to register source: %s due to Error: %v. This source will be disabled.", source.Name, err)
+			source.IsActived = false
+			if err = UpdateSource(source); err != nil {
+				log.Critical("Unable to update source %s to disable it. Error: %v", err)
+				return err
+			}
 		}
 	}
 	return nil

models/user.go

@@ -1122,6 +1122,16 @@ func deleteUser(e Engine, u *User) error {
 	// ***** END: PublicKey *****
 
 	// ***** START: GPGPublicKey *****
+	keys, err := listGPGKeys(e, u.ID, ListOptions{})
+	if err != nil {
+		return fmt.Errorf("ListGPGKeys: %v", err)
+	}
+	// Delete GPGKeyImport(s).
+	for _, key := range keys {
+		if _, err = e.Delete(&GPGKeyImport{KeyID: key.KeyID}); err != nil {
+			return fmt.Errorf("deleteGPGKeyImports: %v", err)
+		}
+	}
 	if _, err = e.Delete(&GPGKey{OwnerID: u.ID}); err != nil {
 		return fmt.Errorf("deleteGPGKeys: %v", err)
 	}
@@ -1612,20 +1622,34 @@ func deleteKeysMarkedForDeletion(keys []string) (bool, error) {
 func addLdapSSHPublicKeys(usr *User, s *LoginSource, sshPublicKeys []string) bool {
 	var sshKeysNeedUpdate bool
 	for _, sshKey := range sshPublicKeys {
-		_, _, _, _, err := ssh.ParseAuthorizedKey([]byte(sshKey))
-		if err == nil {
-			sshKeyName := fmt.Sprintf("%s-%s", s.Name, sshKey[0:40])
-			if _, err := AddPublicKey(usr.ID, sshKeyName, sshKey, s.ID); err != nil {
+		var err error
+		found := false
+		keys := []byte(sshKey)
+	loop:
+		for len(keys) > 0 && err == nil {
+			var out ssh.PublicKey
+			// We ignore options as they are not relevant to Gitea
+			out, _, _, keys, err = ssh.ParseAuthorizedKey(keys)
+			if err != nil {
+				break loop
+			}
+			found = true
+			marshalled := string(ssh.MarshalAuthorizedKey(out))
+			marshalled = marshalled[:len(marshalled)-1]
+			sshKeyName := fmt.Sprintf("%s-%s", s.Name, ssh.FingerprintSHA256(out))
+
+			if _, err := AddPublicKey(usr.ID, sshKeyName, marshalled, s.ID); err != nil {
 				if IsErrKeyAlreadyExist(err) {
-					log.Trace("addLdapSSHPublicKeys[%s]: LDAP Public SSH Key %s already exists for user", s.Name, usr.Name)
+					log.Trace("addLdapSSHPublicKeys[%s]: LDAP Public SSH Key %s already exists for user", sshKeyName, usr.Name)
 				} else {
-					log.Error("addLdapSSHPublicKeys[%s]: Error adding LDAP Public SSH Key for user %s: %v", s.Name, usr.Name, err)
+					log.Error("addLdapSSHPublicKeys[%s]: Error adding LDAP Public SSH Key for user %s: %v", sshKeyName, usr.Name, err)
 				}
 			} else {
-				log.Trace("addLdapSSHPublicKeys[%s]: Added LDAP Public SSH Key for user %s", s.Name, usr.Name)
+				log.Trace("addLdapSSHPublicKeys[%s]: Added LDAP Public SSH Key for user %s", sshKeyName, usr.Name)
 				sshKeysNeedUpdate = true
 			}
-		} else {
+		}
+		if !found && err != nil {
 			log.Warn("addLdapSSHPublicKeys[%s]: Skipping invalid LDAP Public SSH Key for user %s: %v", s.Name, usr.Name, sshKey)
 		}
 	}

models/user_test.go

@@ -421,3 +421,71 @@ func TestGetMaileableUsersByIDs(t *testing.T) {
 		assert.Equal(t, results[1].ID, 4)
 	}
 }
+
+func TestAddLdapSSHPublicKeys(t *testing.T) {
+	assert.NoError(t, PrepareTestDatabase())
+
+	user := AssertExistsAndLoadBean(t, &User{ID: 2}).(*User)
+	s := &LoginSource{ID: 1}
+
+	testCases := []struct {
+		keyString   string
+		number      int
+		keyContents []string
+	}{
+		{
+			keyString: "ssh-rsa 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 nocomment\n",
+			number:    1,
+			keyContents: []string{
+				"ssh-rsa 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",
+			},
+		},
+		{
+			keyString: `ssh-rsa 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 nocomment
+ssh-dss AAAAB3NzaC1kc3MAAACBAOChCC7lf6Uo9n7BmZ6M8St19PZf4Tn59NriyboW2x/DZuYAz3ibZ2OkQ3S0SqDIa0HXSEJ1zaExQdmbO+Ux/wsytWZmCczWOVsaszBZSl90q8UnWlSH6P+/YA+RWJm5SFtuV9PtGIhyZgoNuz5kBQ7K139wuQsecdKktISwTakzAAAAFQCzKsO2JhNKlL+wwwLGOcLffoAmkwAAAIBpK7/3xvduajLBD/9vASqBQIHrgK2J+wiQnIb/Wzy0UsVmvfn8A+udRbBo+csM8xrSnlnlJnjkJS3qiM5g+eTwsLIV1IdKPEwmwB+VcP53Cw6lSyWyJcvhFb0N6s08NZysLzvj0N+ZC/FnhKTLzIyMtkHf/IrPCwlM+pV/M/96YgAAAIEAqQcGn9CKgzgPaguIZooTAOQdvBLMI5y0bQjOW6734XOpqQGf/Kra90wpoasLKZjSYKNPjE+FRUOrStLrxcNs4BeVKhy2PYTRnybfYVk1/dmKgH6P1YSRONsGKvTsH6c5IyCRG0ncCgYeF8tXppyd642982daopE7zQ/NPAnJfag= nocomment`,
+			number: 2,
+			keyContents: []string{
+				"ssh-rsa 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",
+				"ssh-dss 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",
+			},
+		},
+		{
+			keyString: `ssh-rsa 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 nocomment
+# comment asmdna,ndp
+ssh-dss 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 nocomment`,
+			number: 2,
+			keyContents: []string{
+				"ssh-rsa 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",
+				"ssh-dss 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",
+			},
+		},
+		{
+			keyString: `ssh-rsa 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 nocomment
+382488320jasdj1lasmva/vasodifipi4193-fksma.cm
+ssh-dss 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 nocomment`,
+			number: 2,
+			keyContents: []string{
+				"ssh-rsa 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",
+				"ssh-dss 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",
+			},
+		},
+	}
+
+	for i, kase := range testCases {
+		s.ID = int64(i) + 20
+		addLdapSSHPublicKeys(user, s, []string{kase.keyString})
+		keys, err := ListPublicLdapSSHKeys(user.ID, s.ID)
+		assert.NoError(t, err)
+		if err != nil {
+			continue
+		}
+		assert.Equal(t, kase.number, len(keys))
+
+		for _, key := range keys {
+			assert.Contains(t, kase.keyContents, key.Content)
+		}
+		for _, key := range keys {
+			DeletePublicKey(user, key.ID)
+		}
+	}
+}

modules/git/commit.go

@@ -9,6 +9,7 @@ import (
 	"bufio"
 	"bytes"
 	"container/list"
+	"errors"
 	"fmt"
 	"image"
 	"image/color"
@@ -17,6 +18,7 @@ import (
 	_ "image/png"  // for processing png images
 	"io"
 	"net/http"
+	"os/exec"
 	"strconv"
 	"strings"
 
@@ -309,23 +311,33 @@ func (c *Commit) CommitsBefore() (*list.List, error) {
 
 // HasPreviousCommit returns true if a given commitHash is contained in commit's parents
 func (c *Commit) HasPreviousCommit(commitHash SHA1) (bool, error) {
-	for i := 0; i < c.ParentCount(); i++ {
-		commit, err := c.Parent(i)
-		if err != nil {
-			return false, err
-		}
-		if commit.ID == commitHash {
-			return true, nil
-		}
-		commitInParentCommit, err := commit.HasPreviousCommit(commitHash)
-		if err != nil {
-			return false, err
-		}
-		if commitInParentCommit {
-			return true, nil
-		}
+	this := c.ID.String()
+	that := commitHash.String()
+
+	if this == that {
+		return false, nil
 	}
-	return false, nil
+
+	if err := CheckGitVersionConstraint(">= 1.8.0"); err == nil {
+		_, err := NewCommand("merge-base", "--is-ancestor", that, this).RunInDir(c.repo.Path)
+		if err == nil {
+			return true, nil
+		}
+		var exitError *exec.ExitError
+		if errors.As(err, &exitError) {
+			if exitError.ProcessState.ExitCode() == 1 && len(exitError.Stderr) == 0 {
+				return false, nil
+			}
+		}
+		return false, err
+	}
+
+	result, err := NewCommand("rev-list", "--ancestry-path", "-n1", that+".."+this, "--").RunInDir(c.repo.Path)
+	if err != nil {
+		return false, err
+	}
+
+	return len(strings.TrimSpace(result)) > 0, nil
 }
 
 // CommitsBeforeLimit returns num commits before current revision

modules/git/diff.go

@@ -125,30 +125,39 @@ var hunkRegex = regexp.MustCompile(`^@@ -(?P<beginOld>[0-9]+)(,(?P<endOld>[0-9]+
 
 const cmdDiffHead = "diff --git "
 
-func isHeader(lof string) bool {
-	return strings.HasPrefix(lof, cmdDiffHead) || strings.HasPrefix(lof, "---") || strings.HasPrefix(lof, "+++")
+func isHeader(lof string, inHunk bool) bool {
+	return strings.HasPrefix(lof, cmdDiffHead) || (!inHunk && (strings.HasPrefix(lof, "---") || strings.HasPrefix(lof, "+++")))
 }
 
 // CutDiffAroundLine cuts a diff of a file in way that only the given line + numberOfLine above it will be shown
 // it also recalculates hunks and adds the appropriate headers to the new diff.
 // Warning: Only one-file diffs are allowed.
-func CutDiffAroundLine(originalDiff io.Reader, line int64, old bool, numbersOfLine int) string {
+func CutDiffAroundLine(originalDiff io.Reader, line int64, old bool, numbersOfLine int) (string, error) {
 	if line == 0 || numbersOfLine == 0 {
 		// no line or num of lines => no diff
-		return ""
+		return "", nil
 	}
+
 	scanner := bufio.NewScanner(originalDiff)
 	hunk := make([]string, 0)
+
 	// begin is the start of the hunk containing searched line
 	// end is the end of the hunk ...
 	// currentLine is the line number on the side of the searched line (differentiated by old)
 	// otherLine is the line number on the opposite side of the searched line (differentiated by old)
 	var begin, end, currentLine, otherLine int64
 	var headerLines int
+
+	inHunk := false
+
 	for scanner.Scan() {
 		lof := scanner.Text()
 		// Add header to enable parsing
-		if isHeader(lof) {
+
+		if isHeader(lof, inHunk) {
+			if strings.HasPrefix(lof, cmdDiffHead) {
+				inHunk = false
+			}
 			hunk = append(hunk, lof)
 			headerLines++
 		}
@@ -157,6 +166,7 @@ func CutDiffAroundLine(originalDiff io.Reader, line int64, old bool, numbersOfLi
 		}
 		// Detect "hunk" with contains commented lof
 		if strings.HasPrefix(lof, "@@") {
+			inHunk = true
 			// Already got our hunk. End of hunk detected!
 			if len(hunk) > headerLines {
 				break
@@ -213,15 +223,19 @@ func CutDiffAroundLine(originalDiff io.Reader, line int64, old bool, numbersOfLi
 			}
 		}
 	}
+	err := scanner.Err()
+	if err != nil {
+		return "", err
+	}
 
 	// No hunk found
 	if currentLine == 0 {
-		return ""
+		return "", nil
 	}
 	// headerLines + hunkLine (1) = totalNonCodeLines
 	if len(hunk)-headerLines-1 <= numbersOfLine {
 		// No need to cut the hunk => return existing hunk
-		return strings.Join(hunk, "\n")
+		return strings.Join(hunk, "\n"), nil
 	}
 	var oldBegin, oldNumOfLines, newBegin, newNumOfLines int64
 	if old {
@@ -256,5 +270,5 @@ func CutDiffAroundLine(originalDiff io.Reader, line int64, old bool, numbersOfLi
 	// construct the new hunk header
 	newHunk[headerLines] = fmt.Sprintf("@@ -%d,%d +%d,%d @@",
 		oldBegin, oldNumOfLines, newBegin, newNumOfLines)
-	return strings.Join(newHunk, "\n")
+	return strings.Join(newHunk, "\n"), nil
 }

modules/git/diff_test.go

@@ -23,8 +23,28 @@ const exampleDiff = `diff --git a/README.md b/README.md
 + cut off
 + cut off`
 
+const breakingDiff = `diff --git a/aaa.sql b/aaa.sql
+index d8e4c92..19dc8ad 100644
+--- a/aaa.sql
++++ b/aaa.sql
+@@ -1,9 +1,10 @@
+ --some comment
+--- some comment 5
++--some coment 2
++-- some comment 3
+ create or replace procedure test(p1 varchar2)
+ is
+ begin
+---new comment
+ dbms_output.put_line(p1);
++--some other comment
+ end;
+ /
+`
+
 func TestCutDiffAroundLine(t *testing.T) {
-	result := CutDiffAroundLine(strings.NewReader(exampleDiff), 4, false, 3)
+	result, err := CutDiffAroundLine(strings.NewReader(exampleDiff), 4, false, 3)
+	assert.NoError(t, err)
 	resultByLine := strings.Split(result, "\n")
 	assert.Len(t, resultByLine, 7)
 	// Check if headers got transferred
@@ -37,18 +57,50 @@ func TestCutDiffAroundLine(t *testing.T) {
 	assert.Equal(t, "+ Build Status", resultByLine[4])
 
 	// Must be same result as before since old line 3 == new line 5
-	newResult := CutDiffAroundLine(strings.NewReader(exampleDiff), 3, true, 3)
+	newResult, err := CutDiffAroundLine(strings.NewReader(exampleDiff), 3, true, 3)
+	assert.NoError(t, err)
 	assert.Equal(t, result, newResult, "Must be same result as before since old line 3 == new line 5")
 
-	newResult = CutDiffAroundLine(strings.NewReader(exampleDiff), 6, false, 300)
+	newResult, err = CutDiffAroundLine(strings.NewReader(exampleDiff), 6, false, 300)
+	assert.NoError(t, err)
 	assert.Equal(t, exampleDiff, newResult)
 
-	emptyResult := CutDiffAroundLine(strings.NewReader(exampleDiff), 6, false, 0)
+	emptyResult, err := CutDiffAroundLine(strings.NewReader(exampleDiff), 6, false, 0)
+	assert.NoError(t, err)
 	assert.Empty(t, emptyResult)
 
 	// Line is out of scope
-	emptyResult = CutDiffAroundLine(strings.NewReader(exampleDiff), 434, false, 0)
+	emptyResult, err = CutDiffAroundLine(strings.NewReader(exampleDiff), 434, false, 0)
+	assert.NoError(t, err)
 	assert.Empty(t, emptyResult)
+
+	// Handle minus diffs properly
+	minusDiff, err := CutDiffAroundLine(strings.NewReader(breakingDiff), 2, false, 4)
+	assert.NoError(t, err)
+
+	expected := `diff --git a/aaa.sql b/aaa.sql
+--- a/aaa.sql
++++ b/aaa.sql
+@@ -1,9 +1,10 @@
+ --some comment
+--- some comment 5
++--some coment 2`
+	assert.Equal(t, expected, minusDiff)
+
+	// Handle minus diffs properly
+	minusDiff, err = CutDiffAroundLine(strings.NewReader(breakingDiff), 3, false, 4)
+	assert.NoError(t, err)
+
+	expected = `diff --git a/aaa.sql b/aaa.sql
+--- a/aaa.sql
++++ b/aaa.sql
+@@ -1,9 +1,10 @@
+ --some comment
+--- some comment 5
++--some coment 2
++-- some comment 3`
+
+	assert.Equal(t, expected, minusDiff)
 }
 
 func BenchmarkCutDiffAroundLine(b *testing.B) {
@@ -69,7 +121,7 @@ func ExampleCutDiffAroundLine() {
  Docker Pulls
 + cut off
 + cut off`
-	result := CutDiffAroundLine(strings.NewReader(diff), 4, false, 3)
+	result, _ := CutDiffAroundLine(strings.NewReader(diff), 4, false, 3)
 	println(result)
 }
 

modules/git/repo_commit.go

@@ -9,6 +9,8 @@ import (
 	"bytes"
 	"container/list"
 	"fmt"
+	"io"
+	"io/ioutil"
 	"strconv"
 	"strings"
 
@@ -129,19 +131,23 @@ func (repo *Repository) getCommit(id SHA1) (*Commit, error) {
 
 // ConvertToSHA1 returns a Hash object from a potential ID string
 func (repo *Repository) ConvertToSHA1(commitID string) (SHA1, error) {
-	if len(commitID) != 40 {
-		var err error
-		actualCommitID, err := NewCommand("rev-parse", "--verify", commitID).RunInDir(repo.Path)
-		if err != nil {
-			if strings.Contains(err.Error(), "unknown revision or path") ||
-				strings.Contains(err.Error(), "fatal: Needed a single revision") {
-				return SHA1{}, ErrNotExist{commitID, ""}
-			}
-			return SHA1{}, err
+	if len(commitID) == 40 {
+		sha1, err := NewIDFromString(commitID)
+		if err == nil {
+			return sha1, nil
 		}
-		commitID = actualCommitID
 	}
-	return NewIDFromString(commitID)
+
+	actualCommitID, err := NewCommand("rev-parse", "--verify", commitID).RunInDir(repo.Path)
+	if err != nil {
+		if strings.Contains(err.Error(), "unknown revision or path") ||
+			strings.Contains(err.Error(), "fatal: Needed a single revision") {
+			return SHA1{}, ErrNotExist{commitID, ""}
+		}
+		return SHA1{}, err
+	}
+
+	return NewIDFromString(actualCommitID)
 }
 
 // GetCommit returns commit object of by ID string.
@@ -323,8 +329,41 @@ func (repo *Repository) FileCommitsCount(revision, file string) (int64, error) {
 
 // CommitsByFileAndRange return the commits according revison file and the page
 func (repo *Repository) CommitsByFileAndRange(revision, file string, page int) (*list.List, error) {
-	stdout, err := NewCommand("log", revision, "--follow", "--skip="+strconv.Itoa((page-1)*50),
-		"--max-count="+strconv.Itoa(CommitsRangeSize), prettyLogFormat, "--", file).RunInDirBytes(repo.Path)
+	skip := (page - 1) * CommitsRangeSize
+
+	stdoutReader, stdoutWriter := io.Pipe()
+	defer func() {
+		_ = stdoutReader.Close()
+		_ = stdoutWriter.Close()
+	}()
+	go func() {
+		stderr := strings.Builder{}
+		err := NewCommand("log", revision, "--follow",
+			"--max-count="+strconv.Itoa(CommitsRangeSize*page),
+			prettyLogFormat, "--", file).
+			RunInDirPipeline(repo.Path, stdoutWriter, &stderr)
+		if err != nil {
+			if stderr.Len() > 0 {
+				err = fmt.Errorf("%v - %s", err, stderr.String())
+			}
+			_ = stdoutWriter.CloseWithError(err)
+		} else {
+			_ = stdoutWriter.Close()
+		}
+	}()
+
+	if skip > 0 {
+		_, err := io.CopyN(ioutil.Discard, stdoutReader, int64(skip*41))
+		if err != nil {
+			if err == io.EOF {
+				return list.New(), nil
+			}
+			_ = stdoutReader.CloseWithError(err)
+			return nil, err
+		}
+	}
+
+	stdout, err := ioutil.ReadAll(stdoutReader)
 	if err != nil {
 		return nil, err
 	}

modules/migrations/gitea_uploader.go

@@ -6,7 +6,6 @@
 package migrations
 
 import (
-	"bytes"
 	"context"
 	"fmt"
 	"io"
@@ -811,13 +810,20 @@ func (g *GiteaLocalUploader) CreateReviews(reviews ...*base.Review) error {
 			}
 
 			var patch string
-			patchBuf := new(bytes.Buffer)
-			if err := git.GetRepoRawDiffForFile(g.gitRepo, pr.MergeBase, headCommitID, git.RawDiffNormal, comment.TreePath, patchBuf); err != nil {
-				// We should ignore the error since the commit maybe removed when force push to the pull request
-				log.Warn("GetRepoRawDiffForFile failed when migrating [%s, %s, %s, %s]: %v", g.gitRepo.Path, pr.MergeBase, headCommitID, comment.TreePath, err)
-			} else {
-				patch = git.CutDiffAroundLine(patchBuf, int64((&models.Comment{Line: int64(line + comment.Position - 1)}).UnsignedLine()), line < 0, setting.UI.CodeCommentLines)
-			}
+			reader, writer := io.Pipe()
+			defer func() {
+				_ = reader.Close()
+				_ = writer.Close()
+			}()
+			go func() {
+				if err := git.GetRepoRawDiffForFile(g.gitRepo, pr.MergeBase, headCommitID, git.RawDiffNormal, comment.TreePath, writer); err != nil {
+					// We should ignore the error since the commit maybe removed when force push to the pull request
+					log.Warn("GetRepoRawDiffForFile failed when migrating [%s, %s, %s, %s]: %v", g.gitRepo.Path, pr.MergeBase, headCommitID, comment.TreePath, err)
+				}
+				_ = writer.Close()
+			}()
+
+			patch, _ = git.CutDiffAroundLine(reader, int64((&models.Comment{Line: int64(line + comment.Position - 1)}).UnsignedLine()), line < 0, setting.UI.CodeCommentLines)
 
 			var c = models.Comment{
 				Type:        models.CommentTypeCode,

modules/queue/unique_queue_disk_channel.go

@@ -149,6 +149,11 @@ func (q *PersistableChannelUniqueQueue) Has(data Data) (bool, error) {
 	if err != nil || has {
 		return has, err
 	}
+	q.lock.Lock()
+	defer q.lock.Unlock()
+	if q.internal == nil {
+		return false, nil
+	}
 	return q.internal.(UniqueQueue).Has(data)
 }
 

modules/setting/setting.go

@@ -771,7 +771,7 @@ func NewContext() {
 	ImportLocalPaths = sec.Key("IMPORT_LOCAL_PATHS").MustBool(false)
 	DisableGitHooks = sec.Key("DISABLE_GIT_HOOKS").MustBool(true)
 	OnlyAllowPushIfGiteaEnvironmentSet = sec.Key("ONLY_ALLOW_PUSH_IF_GITEA_ENVIRONMENT_SET").MustBool(true)
-	PasswordHashAlgo = sec.Key("PASSWORD_HASH_ALGO").MustString("argon2")
+	PasswordHashAlgo = sec.Key("PASSWORD_HASH_ALGO").MustString("pbkdf2")
 	CSRFCookieHTTPOnly = sec.Key("CSRF_COOKIE_HTTP_ONLY").MustBool(true)
 	PasswordCheckPwn = sec.Key("PASSWORD_CHECK_PWN").MustBool(false)
 

modules/timeutil/since.go

@@ -7,6 +7,7 @@ package timeutil
 import (
 	"fmt"
 	"html/template"
+	"math"
 	"strings"
 	"time"
 
@@ -25,7 +26,11 @@ const (
 	Year   = 12 * Month
 )
 
-func computeTimeDiff(diff int64, lang string) (int64, string) {
+func round(s float64) int64 {
+	return int64(math.Round(s))
+}
+
+func computeTimeDiffFloor(diff int64, lang string) (int64, string) {
 	diffStr := ""
 	switch {
 	case diff <= 0:
@@ -83,6 +88,94 @@ func computeTimeDiff(diff int64, lang string) (int64, string) {
 	return diff, diffStr
 }
 
+func computeTimeDiff(diff int64, lang string) (int64, string) {
+	diffStr := ""
+	switch {
+	case diff <= 0:
+		diff = 0
+		diffStr = i18n.Tr(lang, "tool.now")
+	case diff < 2:
+		diff = 0
+		diffStr = i18n.Tr(lang, "tool.1s")
+	case diff < 1*Minute:
+		diffStr = i18n.Tr(lang, "tool.seconds", diff)
+		diff = 0
+
+	case diff < Minute+Minute/2:
+		diff -= 1 * Minute
+		diffStr = i18n.Tr(lang, "tool.1m")
+	case diff < 1*Hour:
+		minutes := round(float64(diff) / Minute)
+		if minutes > 1 {
+			diffStr = i18n.Tr(lang, "tool.minutes", minutes)
+		} else {
+			diffStr = i18n.Tr(lang, "tool.1m")
+		}
+		diff -= diff / Minute * Minute
+
+	case diff < Hour+Hour/2:
+		diff -= 1 * Hour
+		diffStr = i18n.Tr(lang, "tool.1h")
+	case diff < 1*Day:
+		hours := round(float64(diff) / Hour)
+		if hours > 1 {
+			diffStr = i18n.Tr(lang, "tool.hours", hours)
+		} else {
+			diffStr = i18n.Tr(lang, "tool.1h")
+		}
+		diff -= diff / Hour * Hour
+
+	case diff < Day+Day/2:
+		diff -= 1 * Day
+		diffStr = i18n.Tr(lang, "tool.1d")
+	case diff < 1*Week:
+		days := round(float64(diff) / Day)
+		if days > 1 {
+			diffStr = i18n.Tr(lang, "tool.days", days)
+		} else {
+			diffStr = i18n.Tr(lang, "tool.1d")
+		}
+		diff -= diff / Day * Day
+
+	case diff < Week+Week/2:
+		diff -= 1 * Week
+		diffStr = i18n.Tr(lang, "tool.1w")
+	case diff < 1*Month:
+		weeks := round(float64(diff) / Week)
+		if weeks > 1 {
+			diffStr = i18n.Tr(lang, "tool.weeks", weeks)
+		} else {
+			diffStr = i18n.Tr(lang, "tool.1w")
+		}
+		diff -= diff / Week * Week
+
+	case diff < 1*Month+Month/2:
+		diff -= 1 * Month
+		diffStr = i18n.Tr(lang, "tool.1mon")
+	case diff < 1*Year:
+		months := round(float64(diff) / Month)
+		if months > 1 {
+			diffStr = i18n.Tr(lang, "tool.months", months)
+		} else {
+			diffStr = i18n.Tr(lang, "tool.1mon")
+		}
+		diff -= diff / Month * Month
+
+	case diff < Year+Year/2:
+		diff -= 1 * Year
+		diffStr = i18n.Tr(lang, "tool.1y")
+	default:
+		years := round(float64(diff) / Year)
+		if years > 1 {
+			diffStr = i18n.Tr(lang, "tool.years", years)
+		} else {
+			diffStr = i18n.Tr(lang, "tool.1y")
+		}
+		diff -= (diff / Year) * Year
+	}
+	return diff, diffStr
+}
+
 // MinutesToFriendly returns a user friendly string with number of minutes
 // converted to hours and minutes.
 func MinutesToFriendly(minutes int, lang string) string {
@@ -111,7 +204,7 @@ func timeSincePro(then, now time.Time, lang string) string {
 			break
 		}
 
-		diff, diffStr = computeTimeDiff(diff, lang)
+		diff, diffStr = computeTimeDiffFloor(diff, lang)
 		timeStr += ", " + diffStr
 	}
 	return strings.TrimPrefix(timeStr, ", ")

modules/timeutil/since_test.go

@@ -5,6 +5,7 @@
 package timeutil
 
 import (
+	"fmt"
 	"os"
 	"testing"
 	"time"
@@ -47,27 +48,39 @@ func TestTimeSince(t *testing.T) {
 
 	// test that each diff in `diffs` yields the expected string
 	test := func(expected string, diffs ...time.Duration) {
-		for _, diff := range diffs {
-			actual := timeSince(BaseDate, BaseDate.Add(diff), "en")
-			assert.Equal(t, i18n.Tr("en", "tool.ago", expected), actual)
-			actual = timeSince(BaseDate.Add(diff), BaseDate, "en")
-			assert.Equal(t, i18n.Tr("en", "tool.from_now", expected), actual)
-		}
+		t.Run(expected, func(t *testing.T) {
+			for _, diff := range diffs {
+				actual := timeSince(BaseDate, BaseDate.Add(diff), "en")
+				assert.Equal(t, i18n.Tr("en", "tool.ago", expected), actual)
+				actual = timeSince(BaseDate.Add(diff), BaseDate, "en")
+				assert.Equal(t, i18n.Tr("en", "tool.from_now", expected), actual)
+			}
+		})
 	}
 	test("1 second", time.Second, time.Second+50*time.Millisecond)
 	test("2 seconds", 2*time.Second, 2*time.Second+50*time.Millisecond)
-	test("1 minute", time.Minute, time.Minute+30*time.Second)
-	test("2 minutes", 2*time.Minute, 2*time.Minute+30*time.Second)
-	test("1 hour", time.Hour, time.Hour+30*time.Minute)
-	test("2 hours", 2*time.Hour, 2*time.Hour+30*time.Minute)
-	test("1 day", DayDur, DayDur+12*time.Hour)
-	test("2 days", 2*DayDur, 2*DayDur+12*time.Hour)
+	test("1 minute", time.Minute, time.Minute+29*time.Second)
+	test("2 minutes", 2*time.Minute, time.Minute+30*time.Second)
+	test("2 minutes", 2*time.Minute, 2*time.Minute+29*time.Second)
+	test("1 hour", time.Hour, time.Hour+29*time.Minute)
+	test("2 hours", 2*time.Hour, time.Hour+30*time.Minute)
+	test("2 hours", 2*time.Hour, 2*time.Hour+29*time.Minute)
+	test("3 hours", 3*time.Hour, 2*time.Hour+30*time.Minute)
+	test("1 day", DayDur, DayDur+11*time.Hour)
+	test("2 days", 2*DayDur, DayDur+12*time.Hour)
+	test("2 days", 2*DayDur, 2*DayDur+11*time.Hour)
+	test("3 days", 3*DayDur, 2*DayDur+12*time.Hour)
 	test("1 week", WeekDur, WeekDur+3*DayDur)
+	test("2 weeks", 2*WeekDur, WeekDur+4*DayDur)
 	test("2 weeks", 2*WeekDur, 2*WeekDur+3*DayDur)
-	test("1 month", MonthDur, MonthDur+15*DayDur)
-	test("2 months", 2*MonthDur, 2*MonthDur+15*DayDur)
-	test("1 year", YearDur, YearDur+6*MonthDur)
-	test("2 years", 2*YearDur, 2*YearDur+6*MonthDur)
+	test("3 weeks", 3*WeekDur, 2*WeekDur+4*DayDur)
+	test("1 month", MonthDur, MonthDur+14*DayDur)
+	test("2 months", 2*MonthDur, MonthDur+15*DayDur)
+	test("2 months", 2*MonthDur, 2*MonthDur+14*DayDur)
+	test("1 year", YearDur, YearDur+5*MonthDur)
+	test("2 years", 2*YearDur, YearDur+6*MonthDur)
+	test("2 years", 2*YearDur, 2*YearDur+5*MonthDur)
+	test("3 years", 3*YearDur, 2*YearDur+6*MonthDur)
 }
 
 func TestTimeSincePro(t *testing.T) {
@@ -114,11 +127,11 @@ func TestHtmlTimeSince(t *testing.T) {
 	}
 	test("1 second", time.Second)
 	test("3 minutes", 3*time.Minute+5*time.Second)
-	test("1 day", DayDur+18*time.Hour)
-	test("1 week", WeekDur+6*DayDur)
-	test("3 months", 3*MonthDur+3*WeekDur)
+	test("1 day", DayDur+11*time.Hour)
+	test("1 week", WeekDur+3*DayDur)
+	test("3 months", 3*MonthDur+2*WeekDur)
 	test("2 years", 2*YearDur)
-	test("3 years", 3*YearDur+11*MonthDur+4*WeekDur)
+	test("3 years", 2*YearDur+11*MonthDur+4*WeekDur)
 }
 
 func TestComputeTimeDiff(t *testing.T) {
@@ -126,26 +139,35 @@ func TestComputeTimeDiff(t *testing.T) {
 	// computeTimeDiff(base + offset) == (offset, str)
 	test := func(base int64, str string, offsets ...int64) {
 		for _, offset := range offsets {
-			diff, diffStr := computeTimeDiff(base+offset, "en")
-			assert.Equal(t, offset, diff)
-			assert.Equal(t, str, diffStr)
+			t.Run(fmt.Sprintf("%s:%d", str, offset), func(t *testing.T) {
+				diff, diffStr := computeTimeDiff(base+offset, "en")
+				assert.Equal(t, offset, diff)
+				assert.Equal(t, str, diffStr)
+			})
 		}
 	}
 	test(0, "now", 0)
 	test(1, "1 second", 0)
 	test(2, "2 seconds", 0)
-	test(Minute, "1 minute", 0, 1, 30, Minute-1)
-	test(2*Minute, "2 minutes", 0, Minute-1)
-	test(Hour, "1 hour", 0, 1, Hour-1)
-	test(5*Hour, "5 hours", 0, Hour-1)
-	test(Day, "1 day", 0, 1, Day-1)
-	test(5*Day, "5 days", 0, Day-1)
-	test(Week, "1 week", 0, 1, Week-1)
-	test(3*Week, "3 weeks", 0, 4*Day+25000)
-	test(Month, "1 month", 0, 1, Month-1)
-	test(10*Month, "10 months", 0, Month-1)
-	test(Year, "1 year", 0, Year-1)
-	test(3*Year, "3 years", 0, Year-1)
+	test(Minute, "1 minute", 0, 1, 29)
+	test(Minute, "2 minutes", 30, Minute-1)
+	test(2*Minute, "2 minutes", 0, 29)
+	test(2*Minute, "3 minutes", 30, Minute-1)
+	test(Hour, "1 hour", 0, 1, 29*Minute)
+	test(Hour, "2 hours", 30*Minute, Hour-1)
+	test(5*Hour, "5 hours", 0, 29*Minute)
+	test(Day, "1 day", 0, 1, 11*Hour)
+	test(Day, "2 days", 12*Hour, Day-1)
+	test(5*Day, "5 days", 0, 11*Hour)
+	test(Week, "1 week", 0, 1, 3*Day)
+	test(Week, "2 weeks", 4*Day, Week-1)
+	test(3*Week, "3 weeks", 0, 3*Day)
+	test(Month, "1 month", 0, 1)
+	test(Month, "2 months", 16*Day, Month-1)
+	test(10*Month, "10 months", 0, 13*Day)
+	test(Year, "1 year", 0, 179*Day)
+	test(Year, "2 years", 180*Day, Year-1)
+	test(3*Year, "3 years", 0, 179*Day)
 }
 
 func TestMinutesToFriendly(t *testing.T) {

routers/api/v1/repo/transfer.go

@@ -93,7 +93,12 @@ func Transfer(ctx *context.APIContext, opts api.TransferRepoOption) {
 		}
 	}
 
-	if err = repo_service.TransferOwnership(ctx.User, newOwner, ctx.Repo.Repository, teams); err != nil {
+	if err = repo_service.StartRepositoryTransfer(ctx.User, newOwner, ctx.Repo.Repository, teams); err != nil {
+		if models.IsErrCancelled(err) {
+			ctx.Error(http.StatusForbidden, "transfer", "user has no right to create repo for new owner")
+			return
+		}
+
 		ctx.InternalServerError(err)
 		return
 	}

routers/init.go

@@ -133,12 +133,19 @@ func GlobalInit(ctx context.Context) {
 	log.Trace("AppWorkPath: %s", setting.AppWorkPath)
 	log.Trace("Custom path: %s", setting.CustomPath)
 	log.Trace("Log path: %s", setting.LogRootPath)
+	checkRunMode()
 
 	// Setup i18n
 	InitLocales()
 
 	NewServices()
 
+	if setting.EnableSQLite3 {
+		log.Info("SQLite3 Supported")
+	} else if setting.Database.UseSQLite3 {
+		log.Fatal("SQLite3 is set in settings but NOT Supported")
+	}
+
 	if setting.InstallLock {
 		highlight.NewContext()
 		external.RegisterParsers()
@@ -172,10 +179,6 @@ func GlobalInit(ctx context.Context) {
 		}
 		eventsource.GetManager().Init()
 	}
-	if setting.EnableSQLite3 {
-		log.Info("SQLite3 Supported")
-	}
-	checkRunMode()
 
 	if err := repo_migrations.Init(); err != nil {
 		log.Fatal("Failed to initialize repository migrations: %v", err)

routers/repo/issue.go

@@ -725,6 +725,14 @@ func setTemplateIfExists(ctx *context.Context, ctxDataKey string, possibleDirs [
 			ctx.Data[ctxDataKey] = templateBody
 			labelIDs := make([]string, 0, len(meta.Labels))
 			if repoLabels, err := models.GetLabelsByRepoID(ctx.Repo.Repository.ID, "", models.ListOptions{}); err == nil {
+				ctx.Data["Labels"] = repoLabels
+				if ctx.Repo.Owner.IsOrganization() {
+					if orgLabels, err := models.GetLabelsByOrgID(ctx.Repo.Owner.ID, ctx.Query("sort"), models.ListOptions{}); err == nil {
+						ctx.Data["OrgLabels"] = orgLabels
+						repoLabels = append(repoLabels, orgLabels...)
+					}
+				}
+
 				for _, metaLabel := range meta.Labels {
 					for _, repoLabel := range repoLabels {
 						if strings.EqualFold(repoLabel.Name, metaLabel) {
@@ -734,7 +742,6 @@ func setTemplateIfExists(ctx *context.Context, ctxDataKey string, possibleDirs [
 						}
 					}
 				}
-				ctx.Data["Labels"] = repoLabels
 			}
 			ctx.Data["HasSelectedLabel"] = len(labelIDs) > 0
 			ctx.Data["label_ids"] = strings.Join(labelIDs, ",")

routers/repo/setting.go

@@ -475,9 +475,12 @@ func SettingsPost(ctx *context.Context, form auth.RepoSettingForm) {
 			ctx.Repo.GitRepo.Close()
 			ctx.Repo.GitRepo = nil
 		}
-		if err = repo_service.TransferOwnership(ctx.User, newOwner, repo, nil); err != nil {
+		if err = repo_service.StartRepositoryTransfer(ctx.User, newOwner, repo, nil); err != nil {
 			if models.IsErrRepoAlreadyExist(err) {
 				ctx.RenderWithErr(ctx.Tr("repo.settings.new_owner_has_same_repo"), tplSettingsOptions, nil)
+			} else if models.IsErrCancelled(err) {
+				// this err msg is not translated, since it was introduced in a backport
+				ctx.RenderWithErr("user has no right to create repo for new owner", tplSettingsOptions, nil)
 			} else {
 				ctx.ServerError("TransferOwnership", err)
 			}

routers/repo/view.go

@@ -692,7 +692,10 @@ func RenderUserCards(ctx *context.Context, total int, getter func(opts models.Li
 	pager := context.NewPagination(total, models.ItemsPerPage, page, 5)
 	ctx.Data["Page"] = pager
 
-	items, err := getter(models.ListOptions{Page: pager.Paginater.Current()})
+	items, err := getter(models.ListOptions{
+		Page:     pager.Paginater.Current(),
+		PageSize: models.ItemsPerPage,
+	})
 	if err != nil {
 		ctx.ServerError("getter", err)
 		return
@@ -723,6 +726,7 @@ func Stars(ctx *context.Context) {
 func Forks(ctx *context.Context) {
 	ctx.Data["Title"] = ctx.Tr("repos.forks")
 
+	// TODO: need pagination
 	forks, err := ctx.Repo.Repository.GetForks(models.ListOptions{})
 	if err != nil {
 		ctx.ServerError("GetForks", err)

routers/user/auth.go

@@ -746,6 +746,7 @@ func LinkAccount(ctx *context.Context) {
 	ctx.Data["CaptchaType"] = setting.Service.CaptchaType
 	ctx.Data["RecaptchaURL"] = setting.Service.RecaptchaURL
 	ctx.Data["RecaptchaSitekey"] = setting.Service.RecaptchaSitekey
+	ctx.Data["HcaptchaSitekey"] = setting.Service.HcaptchaSitekey
 	ctx.Data["DisableRegistration"] = setting.Service.DisableRegistration
 	ctx.Data["ShowRegistrationButton"] = false
 
@@ -797,6 +798,7 @@ func LinkAccountPostSignIn(ctx *context.Context, signInForm auth.SignInForm) {
 	ctx.Data["RecaptchaURL"] = setting.Service.RecaptchaURL
 	ctx.Data["CaptchaType"] = setting.Service.CaptchaType
 	ctx.Data["RecaptchaSitekey"] = setting.Service.RecaptchaSitekey
+	ctx.Data["HcaptchaSitekey"] = setting.Service.HcaptchaSitekey
 	ctx.Data["DisableRegistration"] = setting.Service.DisableRegistration
 	ctx.Data["ShowRegistrationButton"] = false
 
@@ -881,6 +883,7 @@ func LinkAccountPostRegister(ctx *context.Context, cpt *captcha.Captcha, form au
 	ctx.Data["RecaptchaURL"] = setting.Service.RecaptchaURL
 	ctx.Data["CaptchaType"] = setting.Service.CaptchaType
 	ctx.Data["RecaptchaSitekey"] = setting.Service.RecaptchaSitekey
+	ctx.Data["HcaptchaSitekey"] = setting.Service.HcaptchaSitekey
 	ctx.Data["DisableRegistration"] = setting.Service.DisableRegistration
 	ctx.Data["ShowRegistrationButton"] = false
 

services/gitdiff/gitdiff.go

@@ -182,6 +182,8 @@ var (
 	removedCodePrefix = []byte(`<span class="removed-code">`)
 	codeTagSuffix     = []byte(`</span>`)
 )
+
+var unfinishedtagRegex = regexp.MustCompile(`<[^>]*$`)
 var trailingSpanRegex = regexp.MustCompile(`<span\s*[[:alpha:]="]*?[>]?$`)
 var entityRegex = regexp.MustCompile(`&[#]*?[0-9[:alpha:]]*$`)
 
@@ -196,10 +198,218 @@ func shouldWriteInline(diff diffmatchpatch.Diff, lineType DiffLineType) bool {
 	return false
 }
 
+func fixupBrokenSpans(diffs []diffmatchpatch.Diff) []diffmatchpatch.Diff {
+
+	// Create a new array to store our fixed up blocks
+	fixedup := make([]diffmatchpatch.Diff, 0, len(diffs))
+
+	// semantically label some numbers
+	const insert, delete, equal = 0, 1, 2
+
+	// record the positions of the last type of each block in the fixedup blocks
+	last := []int{-1, -1, -1}
+	operation := []diffmatchpatch.Operation{diffmatchpatch.DiffInsert, diffmatchpatch.DiffDelete, diffmatchpatch.DiffEqual}
+
+	// create a writer for insert and deletes
+	toWrite := []strings.Builder{
+		{},
+		{},
+	}
+
+	// make some flags for insert and delete
+	unfinishedTag := []bool{false, false}
+	unfinishedEnt := []bool{false, false}
+
+	// store stores the provided text in the writer for the typ
+	store := func(text string, typ int) {
+		(&(toWrite[typ])).WriteString(text)
+	}
+
+	// hasStored returns true if there is stored content
+	hasStored := func(typ int) bool {
+		return (&toWrite[typ]).Len() > 0
+	}
+
+	// stored will return that content
+	stored := func(typ int) string {
+		return (&toWrite[typ]).String()
+	}
+
+	// empty will empty the stored content
+	empty := func(typ int) {
+		(&toWrite[typ]).Reset()
+	}
+
+	// pop will remove the stored content appending to a diff block for that typ
+	pop := func(typ int, fixedup []diffmatchpatch.Diff) []diffmatchpatch.Diff {
+		if hasStored(typ) {
+			if last[typ] > last[equal] {
+				fixedup[last[typ]].Text += stored(typ)
+			} else {
+				fixedup = append(fixedup, diffmatchpatch.Diff{
+					Type: operation[typ],
+					Text: stored(typ),
+				})
+			}
+			empty(typ)
+		}
+		return fixedup
+	}
+
+	// Now we walk the provided diffs and check the type of each block in turn
+	for _, diff := range diffs {
+
+		typ := delete // flag for handling insert or delete typs
+		switch diff.Type {
+		case diffmatchpatch.DiffEqual:
+			// First check if there is anything stored
+			if hasStored(insert) || hasStored(delete) {
+				// There are two reasons for storing content:
+				// 1. Unfinished Entity <- Could be more efficient here by not doing this if we're looking for a tag
+				if unfinishedEnt[insert] || unfinishedEnt[delete] {
+					// we look for a ';' to finish an entity
+					idx := strings.IndexRune(diff.Text, ';')
+					if idx >= 0 {
+						// if we find a ';' store the preceding content to both insert and delete
+						store(diff.Text[:idx+1], insert)
+						store(diff.Text[:idx+1], delete)
+
+						// and remove it from this block
+						diff.Text = diff.Text[idx+1:]
+
+						// reset the ent flags
+						unfinishedEnt[insert] = false
+						unfinishedEnt[delete] = false
+					} else {
+						// otherwise store it all on insert and delete
+						store(diff.Text, insert)
+						store(diff.Text, delete)
+						// and empty this block
+						diff.Text = ""
+					}
+				}
+				// 2. Unfinished Tag
+				if unfinishedTag[insert] || unfinishedTag[delete] {
+					// we look for a '>' to finish a tag
+					idx := strings.IndexRune(diff.Text, '>')
+					if idx >= 0 {
+						store(diff.Text[:idx+1], insert)
+						store(diff.Text[:idx+1], delete)
+						diff.Text = diff.Text[idx+1:]
+						unfinishedTag[insert] = false
+						unfinishedTag[delete] = false
+					} else {
+						store(diff.Text, insert)
+						store(diff.Text, delete)
+						diff.Text = ""
+					}
+				}
+
+				// If we've completed the required tag/entities
+				if !(unfinishedTag[insert] || unfinishedTag[delete] || unfinishedEnt[insert] || unfinishedEnt[delete]) {
+					// pop off the stack
+					fixedup = pop(insert, fixedup)
+					fixedup = pop(delete, fixedup)
+				}
+
+				// If that has left this diff block empty then shortcut
+				if len(diff.Text) == 0 {
+					continue
+				}
+			}
+
+			// check if this block ends in an unfinished tag?
+			idx := unfinishedtagRegex.FindStringIndex(diff.Text)
+			if idx != nil {
+				unfinishedTag[insert] = true
+				unfinishedTag[delete] = true
+			} else {
+				// otherwise does it end in an unfinished entity?
+				idx = entityRegex.FindStringIndex(diff.Text)
+				if idx != nil {
+					unfinishedEnt[insert] = true
+					unfinishedEnt[delete] = true
+				}
+			}
+
+			// If there is an unfinished component
+			if idx != nil {
+				// Store the fragment
+				store(diff.Text[idx[0]:], insert)
+				store(diff.Text[idx[0]:], delete)
+				// and remove it from this block
+				diff.Text = diff.Text[:idx[0]]
+			}
+
+			// If that hasn't left the block empty
+			if len(diff.Text) > 0 {
+				// store the position of the last equal block and store it in our diffs
+				last[equal] = len(fixedup)
+				fixedup = append(fixedup, diff)
+			}
+			continue
+		case diffmatchpatch.DiffInsert:
+			typ = insert
+			fallthrough
+		case diffmatchpatch.DiffDelete:
+			// First check if there is anything stored for this type
+			if hasStored(typ) {
+				// if there is prepend it to this block, empty the storage and reset our flags
+				diff.Text = stored(typ) + diff.Text
+				empty(typ)
+				unfinishedEnt[typ] = false
+				unfinishedTag[typ] = false
+			}
+
+			// check if this block ends in an unfinished tag
+			idx := unfinishedtagRegex.FindStringIndex(diff.Text)
+			if idx != nil {
+				unfinishedTag[typ] = true
+			} else {
+				// otherwise does it end in an unfinished entity
+				idx = entityRegex.FindStringIndex(diff.Text)
+				if idx != nil {
+					unfinishedEnt[typ] = true
+				}
+			}
+
+			// If there is an unfinished component
+			if idx != nil {
+				// Store the fragment
+				store(diff.Text[idx[0]:], typ)
+				// and remove it from this block
+				diff.Text = diff.Text[:idx[0]]
+			}
+
+			// If that hasn't left the block empty
+			if len(diff.Text) > 0 {
+				// if the last block of this type was after the last equal block
+				if last[typ] > last[equal] {
+					// store this blocks content on that block
+					fixedup[last[typ]].Text += diff.Text
+				} else {
+					// otherwise store the position of the last block of this type and store the block
+					last[typ] = len(fixedup)
+					fixedup = append(fixedup, diff)
+				}
+			}
+			continue
+		}
+	}
+
+	// pop off any remaining stored content
+	fixedup = pop(insert, fixedup)
+	fixedup = pop(delete, fixedup)
+
+	return fixedup
+}
+
 func diffToHTML(fileName string, diffs []diffmatchpatch.Diff, lineType DiffLineType) template.HTML {
 	buf := bytes.NewBuffer(nil)
 	match := ""
 
+	diffs = fixupBrokenSpans(diffs)
+
 	for _, diff := range diffs {
 		if shouldWriteInline(diff, lineType) {
 			if len(match) > 0 {
@@ -373,6 +583,7 @@ type DiffFile struct {
 	IsBin              bool
 	IsLFSFile          bool
 	IsRenamed          bool
+	IsAmbiguous        bool
 	IsSubmodule        bool
 	Sections           []*DiffSection
 	IsIncomplete       bool
@@ -566,12 +777,32 @@ parsingLoop:
 				if strings.HasSuffix(line, " 160000\n") {
 					curFile.IsSubmodule = true
 				}
+			case strings.HasPrefix(line, "rename from "):
+				curFile.IsRenamed = true
+				curFile.Type = DiffFileRename
+				if curFile.IsAmbiguous {
+					curFile.OldName = line[len("rename from ") : len(line)-1]
+				}
+			case strings.HasPrefix(line, "rename to "):
+				curFile.IsRenamed = true
+				curFile.Type = DiffFileRename
+				if curFile.IsAmbiguous {
+					curFile.Name = line[len("rename to ") : len(line)-1]
+					curFile.IsAmbiguous = false
+				}
 			case strings.HasPrefix(line, "copy from "):
 				curFile.IsRenamed = true
 				curFile.Type = DiffFileCopy
+				if curFile.IsAmbiguous {
+					curFile.OldName = line[len("copy from ") : len(line)-1]
+				}
 			case strings.HasPrefix(line, "copy to "):
 				curFile.IsRenamed = true
 				curFile.Type = DiffFileCopy
+				if curFile.IsAmbiguous {
+					curFile.Name = line[len("copy to ") : len(line)-1]
+					curFile.IsAmbiguous = false
+				}
 			case strings.HasPrefix(line, "new file"):
 				curFile.Type = DiffFileAdd
 				curFile.IsCreated = true
@@ -593,9 +824,35 @@ parsingLoop:
 			case strings.HasPrefix(line, "Binary"):
 				curFile.IsBin = true
 			case strings.HasPrefix(line, "--- "):
-				// Do nothing with this line
+				// Handle ambiguous filenames
+				if curFile.IsAmbiguous {
+					if len(line) > 6 && line[4] == 'a' {
+						curFile.OldName = line[6 : len(line)-1]
+						if line[len(line)-2] == '\t' {
+							curFile.OldName = curFile.OldName[:len(curFile.OldName)-1]
+						}
+					} else {
+						curFile.OldName = ""
+					}
+				}
+				// Otherwise do nothing with this line
 			case strings.HasPrefix(line, "+++ "):
-				// Do nothing with this line
+				// Handle ambiguous filenames
+				if curFile.IsAmbiguous {
+					if len(line) > 6 && line[4] == 'b' {
+						curFile.Name = line[6 : len(line)-1]
+						if line[len(line)-2] == '\t' {
+							curFile.Name = curFile.Name[:len(curFile.Name)-1]
+						}
+						if curFile.OldName == "" {
+							curFile.OldName = curFile.Name
+						}
+					} else {
+						curFile.Name = curFile.OldName
+					}
+					curFile.IsAmbiguous = false
+				}
+				// Otherwise do nothing with this line, but now switch to parsing hunks
 				lineBytes, isFragment, err := parseHunks(curFile, maxLines, maxLineCharacters, input)
 				diff.TotalAddition += curFile.Addition
 				diff.TotalDeletion += curFile.Deletion
@@ -846,13 +1103,33 @@ func createDiffFile(diff *Diff, line string) *DiffFile {
 
 	rd := strings.NewReader(line[len(cmdDiffHead):] + " ")
 	curFile.Type = DiffFileChange
-	curFile.OldName = readFileName(rd)
-	curFile.Name = readFileName(rd)
+	oldNameAmbiguity := false
+	newNameAmbiguity := false
+
+	curFile.OldName, oldNameAmbiguity = readFileName(rd)
+	curFile.Name, newNameAmbiguity = readFileName(rd)
+	if oldNameAmbiguity && newNameAmbiguity {
+		curFile.IsAmbiguous = true
+		// OK we should bet that the oldName and the newName are the same if they can be made to be same
+		// So we need to start again ...
+		if (len(line)-len(cmdDiffHead)-1)%2 == 0 {
+			// diff --git a/b b/b b/b b/b b/b b/b
+			//
+			midpoint := (len(line) + len(cmdDiffHead) - 1) / 2
+			new, old := line[len(cmdDiffHead):midpoint], line[midpoint+1:]
+			if len(new) > 2 && len(old) > 2 && new[2:] == old[2:] {
+				curFile.OldName = old[2:]
+				curFile.Name = old[2:]
+			}
+		}
+	}
+
 	curFile.IsRenamed = curFile.Name != curFile.OldName
 	return curFile
 }
 
-func readFileName(rd *strings.Reader) string {
+func readFileName(rd *strings.Reader) (string, bool) {
+	ambiguity := false
 	var name string
 	char, _ := rd.ReadByte()
 	_ = rd.UnreadByte()
@@ -862,9 +1139,24 @@ func readFileName(rd *strings.Reader) string {
 			name = name[1:]
 		}
 	} else {
+		// This technique is potentially ambiguous it may not be possible to uniquely identify the filenames from the diff line alone
+		ambiguity = true
 		fmt.Fscanf(rd, "%s ", &name)
+		char, _ := rd.ReadByte()
+		_ = rd.UnreadByte()
+		for !(char == 0 || char == '"' || char == 'b') {
+			var suffix string
+			fmt.Fscanf(rd, "%s ", &suffix)
+			name += " " + suffix
+			char, _ = rd.ReadByte()
+			_ = rd.UnreadByte()
+		}
 	}
-	return name[2:]
+	if len(name) < 2 {
+		log.Error("Unable to determine name from reader: %v", rd)
+		return "", true
+	}
+	return name[2:], ambiguity
 }
 
 // GetDiffRange builds a Diff between two commits of a repository.
@@ -975,6 +1267,7 @@ func CommentAsDiff(c *models.Comment) (*Diff, error) {
 	diff, err := ParsePatch(setting.Git.MaxGitDiffLines,
 		setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles, strings.NewReader(c.Patch))
 	if err != nil {
+		log.Error("Unable to parse patch: %v", err)
 		return nil, err
 	}
 	if len(diff.Files) == 0 {

services/gitdiff/gitdiff_test.go

@@ -15,6 +15,7 @@ import (
 
 	"code.gitea.io/gitea/models"
 	"code.gitea.io/gitea/modules/git"
+	"code.gitea.io/gitea/modules/highlight"
 	"code.gitea.io/gitea/modules/setting"
 	dmp "github.com/sergi/go-diff/diffmatchpatch"
 	"github.com/stretchr/testify/assert"
@@ -23,7 +24,7 @@ import (
 
 func assertEqual(t *testing.T, s1 string, s2 template.HTML) {
 	if s1 != string(s2) {
-		t.Errorf("%s should be equal %s", s2, s1)
+		t.Errorf("Did not receive expected results:\nExpected: %s\nActual:   %s", s1, s2)
 	}
 }
 
@@ -61,7 +62,7 @@ func TestDiffToHTML(t *testing.T) {
 		{Type: dmp.DiffEqual, Text: "</span><span class=\"p\">)</span>"},
 	}, DiffLineDel))
 
-	assertEqual(t, "<span class=\"nx\">r</span><span class=\"p\">.</span><span class=\"nf\">WrapperRenderer</span><span class=\"p\">(</span><span class=\"nx\">w</span><span class=\"p\">,</span> <span class=\"removed-code\"><span class=\"nx\">language</span></span><span class=\"removed-code\"><span class=\"p\">,</span> <span class=\"kc\">true</span><span class=\"p\">,</span> <span class=\"nx\">attrs</span></span><span class=\"p\">,</span> <span class=\"kc\">false</span><span class=\"p\">)</span>", diffToHTML("", []dmp.Diff{
+	assertEqual(t, "<span class=\"nx\">r</span><span class=\"p\">.</span><span class=\"nf\">WrapperRenderer</span><span class=\"p\">(</span><span class=\"nx\">w</span><span class=\"p\">,</span> <span class=\"removed-code\"><span class=\"nx\">language</span><span class=\"p\">,</span> <span class=\"kc\">true</span><span class=\"p\">,</span> <span class=\"nx\">attrs</span></span><span class=\"p\">,</span> <span class=\"kc\">false</span><span class=\"p\">)</span>", diffToHTML("", []dmp.Diff{
 		{Type: dmp.DiffEqual, Text: "<span class=\"nx\">r</span><span class=\"p\">.</span><span class=\"nf\">WrapperRenderer</span><span class=\"p\">(</span><span class=\"nx\">w</span><span class=\"p\">,</span> <span class=\"nx\">"},
 		{Type: dmp.DiffDelete, Text: "language</span><span "},
 		{Type: dmp.DiffEqual, Text: "c"},
@@ -69,14 +70,14 @@ func TestDiffToHTML(t *testing.T) {
 		{Type: dmp.DiffEqual, Text: "</span><span class=\"p\">,</span> <span class=\"kc\">false</span><span class=\"p\">)</span>"},
 	}, DiffLineDel))
 
-	assertEqual(t, "<span class=\"added-code\">language</span></span><span class=\"added-code\"><span class=\"p\">,</span> <span class=\"kc\">true</span><span class=\"p\">,</span> <span class=\"nx\">attrs</span></span><span class=\"p\">,</span> <span class=\"kc\">false</span><span class=\"p\">)</span>", diffToHTML("", []dmp.Diff{
+	assertEqual(t, "<span class=\"added-code\">language</span><span class=\"p\">,</span> <span class=\"kc\">true</span><span class=\"p\">,</span> <span class=\"nx\">attrs</span></span><span class=\"p\">,</span> <span class=\"kc\">false</span><span class=\"p\">)</span>", diffToHTML("", []dmp.Diff{
 		{Type: dmp.DiffInsert, Text: "language</span><span "},
 		{Type: dmp.DiffEqual, Text: "c"},
 		{Type: dmp.DiffInsert, Text: "lass=\"p\">,</span> <span class=\"kc\">true</span><span class=\"p\">,</span> <span class=\"nx\">attrs"},
 		{Type: dmp.DiffEqual, Text: "</span><span class=\"p\">,</span> <span class=\"kc\">false</span><span class=\"p\">)</span>"},
 	}, DiffLineAdd))
 
-	assertEqual(t, "<span class=\"k\">print</span><span class=\"added-code\"></span><span class=\"added-code\"><span class=\"p\">(</span></span><span class=\"sa\"></span><span class=\"s2\">&#34;</span><span class=\"s2\">// </span><span class=\"s2\">&#34;</span><span class=\"p\">,</span> <span class=\"n\">sys</span><span class=\"o\">.</span><span class=\"n\">argv</span><span class=\"added-code\"><span class=\"p\">)</span></span>", diffToHTML("", []dmp.Diff{
+	assertEqual(t, "<span class=\"k\">print</span><span class=\"added-code\"><span class=\"p\">(</span></span><span class=\"sa\"></span><span class=\"s2\">&#34;</span><span class=\"s2\">// </span><span class=\"s2\">&#34;</span><span class=\"p\">,</span> <span class=\"n\">sys</span><span class=\"o\">.</span><span class=\"n\">argv</span><span class=\"added-code\"><span class=\"p\">)</span></span>", diffToHTML("", []dmp.Diff{
 		{Type: dmp.DiffEqual, Text: "<span class=\"k\">print</span>"},
 		{Type: dmp.DiffInsert, Text: "<span"},
 		{Type: dmp.DiffEqual, Text: " "},
@@ -85,14 +86,14 @@ func TestDiffToHTML(t *testing.T) {
 		{Type: dmp.DiffInsert, Text: "<span class=\"p\">)</span>"},
 	}, DiffLineAdd))
 
-	assertEqual(t, "sh <span class=\"added-code\">&#39;useradd -u $(stat -c &#34;%u&#34; .gitignore) jenkins</span>&#39;", diffToHTML("", []dmp.Diff{
+	assertEqual(t, "sh <span class=\"added-code\">&#39;useradd -u $(stat -c &#34;%u&#34; .gitignore) jenkins&#39;</span>", diffToHTML("", []dmp.Diff{
 		{Type: dmp.DiffEqual, Text: "sh &#3"},
 		{Type: dmp.DiffDelete, Text: "4;useradd -u 111 jenkins&#34"},
 		{Type: dmp.DiffInsert, Text: "9;useradd -u $(stat -c &#34;%u&#34; .gitignore) jenkins&#39"},
 		{Type: dmp.DiffEqual, Text: ";"},
 	}, DiffLineAdd))
 
-	assertEqual(t, "<span class=\"x\">							&lt;h<span class=\"added-code\">4 class=</span><span class=\"added-code\">&#34;release-list-title df ac&#34;</span>&gt;</span>", diffToHTML("", []dmp.Diff{
+	assertEqual(t, "<span class=\"x\">							&lt;h<span class=\"added-code\">4 class=&#34;release-list-title df ac&#34;</span>&gt;</span>", diffToHTML("", []dmp.Diff{
 		{Type: dmp.DiffEqual, Text: "<span class=\"x\">							&lt;h"},
 		{Type: dmp.DiffInsert, Text: "4 class=&#"},
 		{Type: dmp.DiffEqual, Text: "3"},
@@ -207,6 +208,66 @@ rename to a b/a a/file b/b file
 			oldFilename: "a b/file b/a a/file",
 			filename:    "a b/a a/file b/b file",
 		},
+		{
+			name: "ambiguous deleted",
+			gitdiff: `diff --git a/b b/b b/b b/b
+deleted file mode 100644
+index 92e798b..0000000
+--- a/b b/b` + "\t" + `
++++ /dev/null
+@@ -1 +0,0 @@
+-b b/b
+`,
+			oldFilename: "b b/b",
+			filename:    "b b/b",
+			addition:    0,
+			deletion:    1,
+		},
+		{
+			name: "ambiguous addition",
+			gitdiff: `diff --git a/b b/b b/b b/b
+new file mode 100644
+index 0000000..92e798b
+--- /dev/null
++++ b/b b/b` + "\t" + `
+@@ -0,0 +1 @@
++b b/b
+`,
+			oldFilename: "b b/b",
+			filename:    "b b/b",
+			addition:    1,
+			deletion:    0,
+		},
+		{
+			name: "rename",
+			gitdiff: `diff --git a/b b/b b/b b/b b/b b/b
+similarity index 100%
+rename from b b/b b/b b/b b/b
+rename to b
+`,
+			oldFilename: "b b/b b/b b/b b/b",
+			filename:    "b",
+		},
+		{
+			name: "ambiguous 1",
+			gitdiff: `diff --git a/b b/b b/b b/b b/b b/b
+similarity index 100%
+rename from b b/b b/b b/b b/b
+rename to b
+`,
+			oldFilename: "b b/b b/b b/b b/b",
+			filename:    "b",
+		},
+		{
+			name: "ambiguous 2",
+			gitdiff: `diff --git a/b b/b b/b b/b b/b b/b
+similarity index 100%
+rename from b b/b b/b b/b
+rename to b b/b
+`,
+			oldFilename: "b b/b b/b b/b",
+			filename:    "b b/b",
+		},
 		{
 			name: "minuses-and-pluses",
 			gitdiff: `diff --git a/minuses-and-pluses b/minuses-and-pluses
@@ -234,32 +295,32 @@ index 6961180..9ba1a00 100644
 		t.Run(testcase.name, func(t *testing.T) {
 			got, err := ParsePatch(setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles, strings.NewReader(testcase.gitdiff))
 			if (err != nil) != testcase.wantErr {
-				t.Errorf("ParsePatch() error = %v, wantErr %v", err, testcase.wantErr)
+				t.Errorf("ParsePatch(%q) error = %v, wantErr %v", testcase.name, err, testcase.wantErr)
 				return
 			}
 			gotMarshaled, _ := json.MarshalIndent(got, "  ", "  ")
 			if got.NumFiles != 1 {
-				t.Errorf("ParsePath() did not receive 1 file:\n%s", string(gotMarshaled))
+				t.Errorf("ParsePath(%q) did not receive 1 file:\n%s", testcase.name, string(gotMarshaled))
 				return
 			}
 			if got.TotalAddition != testcase.addition {
-				t.Errorf("ParsePath() does not have correct totalAddition %d, wanted %d", got.TotalAddition, testcase.addition)
+				t.Errorf("ParsePath(%q) does not have correct totalAddition %d, wanted %d", testcase.name, got.TotalAddition, testcase.addition)
 			}
 			if got.TotalDeletion != testcase.deletion {
-				t.Errorf("ParsePath() did not have correct totalDeletion %d, wanted %d", got.TotalDeletion, testcase.deletion)
+				t.Errorf("ParsePath(%q) did not have correct totalDeletion %d, wanted %d", testcase.name, got.TotalDeletion, testcase.deletion)
 			}
 			file := got.Files[0]
 			if file.Addition != testcase.addition {
-				t.Errorf("ParsePath() does not have correct file addition %d, wanted %d", file.Addition, testcase.addition)
+				t.Errorf("ParsePath(%q) does not have correct file addition %d, wanted %d", testcase.name, file.Addition, testcase.addition)
 			}
 			if file.Deletion != testcase.deletion {
-				t.Errorf("ParsePath() did not have correct file deletion %d, wanted %d", file.Deletion, testcase.deletion)
+				t.Errorf("ParsePath(%q) did not have correct file deletion %d, wanted %d", testcase.name, file.Deletion, testcase.deletion)
 			}
 			if file.OldName != testcase.oldFilename {
-				t.Errorf("ParsePath() did not have correct OldName %s, wanted %s", file.OldName, testcase.oldFilename)
+				t.Errorf("ParsePath(%q) did not have correct OldName %q, wanted %q", testcase.name, file.OldName, testcase.oldFilename)
 			}
 			if file.Name != testcase.filename {
-				t.Errorf("ParsePath() did not have correct Name %s, wanted %s", file.Name, testcase.filename)
+				t.Errorf("ParsePath(%q) did not have correct Name %q, wanted %q", testcase.name, file.Name, testcase.filename)
 			}
 		})
 	}
@@ -462,3 +523,14 @@ func TestGetDiffRangeWithWhitespaceBehavior(t *testing.T) {
 		}
 	}
 }
+
+func TestDiffToHTML_14231(t *testing.T) {
+	setting.Cfg = ini.Empty()
+	diffRecord := diffMatchPatch.DiffMain(highlight.Code("main.v", "		run()\n"), highlight.Code("main.v", "		run(db)\n"), true)
+	diffRecord = diffMatchPatch.DiffCleanupEfficiency(diffRecord)
+
+	expected := `		<span class="n">run</span><span class="added-code"><span class="o">(</span><span class="n">db</span></span><span class="o">)</span>`
+	output := diffToHTML("main.v", diffRecord, DiffLineAdd)
+
+	assertEqual(t, expected, output)
+}

services/pull/pull.go

@@ -475,7 +475,7 @@ func CloseBranchPulls(doer *models.User, repoID int64, branch string) error {
 	return nil
 }
 
-// CloseRepoBranchesPulls close all pull requests which head branches are in the given repository
+// CloseRepoBranchesPulls close all pull requests which head branches are in the given repository, but only whose base repo is not in the given repository
 func CloseRepoBranchesPulls(doer *models.User, repo *models.Repository) error {
 	branches, err := git.GetBranchesByPath(repo.RepoPath())
 	if err != nil {
@@ -494,6 +494,11 @@ func CloseRepoBranchesPulls(doer *models.User, repo *models.Repository) error {
 		}
 
 		for _, pr := range prs {
+			// If the base repository for this pr is this repository there is no need to close it
+			// as it is going to be deleted anyway
+			if pr.BaseRepoID == repo.ID {
+				continue
+			}
 			if err = issue_service.ChangeStatus(pr.Issue, doer, true); err != nil && !models.IsErrPullWasClosed(err) {
 				errs = append(errs, err)
 			}

services/pull/review.go

@@ -6,13 +6,14 @@
 package pull
 
 import (
-	"bytes"
 	"fmt"
+	"io"
 	"regexp"
 	"strings"
 
 	"code.gitea.io/gitea/models"
 	"code.gitea.io/gitea/modules/git"
+	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/notification"
 	"code.gitea.io/gitea/modules/setting"
 )
@@ -179,11 +180,24 @@ func createCodeComment(doer *models.User, repo *models.Repository, issue *models
 		if len(commitID) == 0 {
 			commitID = headCommitID
 		}
-		patchBuf := new(bytes.Buffer)
-		if err := git.GetRepoRawDiffForFile(gitRepo, pr.MergeBase, headCommitID, git.RawDiffNormal, treePath, patchBuf); err != nil {
-			return nil, fmt.Errorf("GetRawDiffForLine[%s, %s, %s, %s]: %v", gitRepo.Path, pr.MergeBase, headCommitID, treePath, err)
+		reader, writer := io.Pipe()
+		defer func() {
+			_ = reader.Close()
+			_ = writer.Close()
+		}()
+		go func() {
+			if err := git.GetRepoRawDiffForFile(gitRepo, pr.MergeBase, headCommitID, git.RawDiffNormal, treePath, writer); err != nil {
+				_ = writer.CloseWithError(fmt.Errorf("GetRawDiffForLine[%s, %s, %s, %s]: %v", gitRepo.Path, pr.MergeBase, headCommitID, treePath, err))
+				return
+			}
+			_ = writer.Close()
+		}()
+
+		patch, err = git.CutDiffAroundLine(reader, int64((&models.Comment{Line: line}).UnsignedLine()), line < 0, setting.UI.CodeCommentLines)
+		if err != nil {
+			log.Error("Error whilst generating patch: %v", err)
+			return nil, err
 		}
-		patch = git.CutDiffAroundLine(patchBuf, int64((&models.Comment{Line: line}).UnsignedLine()), line < 0, setting.UI.CodeCommentLines)
 	}
 	return models.CreateComment(&models.CreateCommentOptions{
 		Type:        models.CommentTypeCode,

services/repository/transfer.go

@@ -72,3 +72,31 @@ func ChangeRepositoryName(doer *models.User, repo *models.Repository, newRepoNam
 
 	return nil
 }
+
+// StartRepositoryTransfer transfer a repo from one owner to a new one.
+// it make repository into pending transfer state, if doer can not create repo for new owner.
+func StartRepositoryTransfer(doer, newOwner *models.User, repo *models.Repository, teams []*models.Team) error {
+	if repo.Status != models.RepositoryReady {
+		return fmt.Errorf("repository is not ready for transfer")
+	}
+
+	// Admin is always allowed to transfer || user transfer repo back to his account
+	if doer.IsAdmin || doer.ID == newOwner.ID {
+		return TransferOwnership(doer, newOwner, repo, teams)
+	}
+
+	// If new owner is an org and user can create repos he can transfer directly too
+	if newOwner.IsOrganization() {
+		allowed, err := models.CanCreateOrgRepo(newOwner.ID, doer.ID)
+		if err != nil {
+			return err
+		}
+		if allowed {
+			return TransferOwnership(doer, newOwner, repo, teams)
+		}
+	}
+
+	// Block Transfer, new feature will come in v1.14.0
+	// https://github.com/go-gitea/gitea/pull/14792
+	return models.ErrCancelled{}
+}

templates/user/settings/applications_oauth2_edit.tmpl

@@ -7,7 +7,6 @@
 			{{.i18n.Tr "settings.edit_oauth2_application"}}
 		</h4>
 		<div class="ui attached segment">
-			{{template "base/alert" .}}
 			<p>{{.i18n.Tr "settings.oauth2_application_create_description"}}</p>
 		</div>
 		<div class="ui attached segment form ignore-dirty">