Merge branch 'main' into non-text-edit

# Conflicts:
#	routers/web/repo/editor.go

routers/api/v1/repo/pull.go

@@ -1632,7 +1632,9 @@ func GetPullRequestFiles(ctx *context.APIContext) {
 
 	apiFiles := make([]*api.ChangedFile, 0, limit)
 	for i := start; i < start+limit; i++ {
-		apiFiles = append(apiFiles, convert.ToChangedFile(diff.Files[i], pr.HeadRepo, endCommitID))
+		// refs/pull/1/head stores the HEAD commit ID, allowing all related commits to be found in the base repository.
+		// The head repository might have been deleted, so we should not rely on it here.
+		apiFiles = append(apiFiles, convert.ToChangedFile(diff.Files[i], pr.BaseRepo, endCommitID))
 	}
 
 	ctx.SetLinkHeader(totalNumberOfFiles, listOptions.PageSize)

routers/web/repo/compare.go

@@ -402,12 +402,11 @@ func ParseCompareInfo(ctx *context.Context) *common.CompareInfo {
 		ci.HeadRepo = ctx.Repo.Repository
 		ci.HeadGitRepo = ctx.Repo.GitRepo
 	} else if has {
-		ci.HeadGitRepo, err = gitrepo.OpenRepository(ctx, ci.HeadRepo)
+		ci.HeadGitRepo, err = gitrepo.RepositoryFromRequestContextOrOpen(ctx, ci.HeadRepo)
 		if err != nil {
-			ctx.ServerError("OpenRepository", err)
+			ctx.ServerError("RepositoryFromRequestContextOrOpen", err)
 			return nil
 		}
-		defer ci.HeadGitRepo.Close()
 	} else {
 		ctx.NotFound(nil)
 		return nil
@@ -726,11 +725,6 @@ func getBranchesAndTagsForRepo(ctx gocontext.Context, repo *repo_model.Repositor
 // CompareDiff show different from one commit to another commit
 func CompareDiff(ctx *context.Context) {
 	ci := ParseCompareInfo(ctx)
-	defer func() {
-		if ci != nil && ci.HeadGitRepo != nil {
-			ci.HeadGitRepo.Close()
-		}
-	}()
 	if ctx.Written() {
 		return
 	}

routers/web/repo/editor.go

@@ -20,7 +20,6 @@ import (
 	"code.gitea.io/gitea/modules/markup"
 	"code.gitea.io/gitea/modules/setting"
 	"code.gitea.io/gitea/modules/templates"
-	"code.gitea.io/gitea/modules/typesniffer"
 	"code.gitea.io/gitea/modules/util"
 	"code.gitea.io/gitea/modules/web"
 	"code.gitea.io/gitea/routers/utils"
@@ -146,22 +145,27 @@ func editFile(ctx *context.Context, isNewFile bool) {
 		}
 
 		blob := entry.Blob()
-		dataRc, err := blob.DataAsync()
-		if err != nil {
+		if blob.Size() >= setting.UI.MaxDisplayFileSize {
 			ctx.NotFound(err)
 			return
 		}
 
+		buf, dataRc, fInfo, err := getFileReader(ctx, ctx.Repo.Repository.ID, blob)
+		if err != nil {
+			if git.IsErrNotExist(err) {
+				ctx.NotFound(err)
+			} else {
+				ctx.ServerError("getFileReader", err)
+			}
+			return
+		}
+
 		defer dataRc.Close()
 
 		ctx.Data["FileSize"] = blob.Size()
 
-		buf := make([]byte, 1024)
-		n, _ := util.ReadAtMost(dataRc, buf)
-		buf = buf[:n]
-
 		// Only some file types are editable online as text.
-		ctx.Data["IsFileEditable"] = typesniffer.DetectContentType(buf).IsRepresentableAsText()
+		ctx.Data["IsFileEditable"] = fInfo.isTextFile && !fInfo.isLFSFile
 
 		if blob.Size() >= setting.UI.MaxDisplayFileSize {
 			ctx.Data["IsFileTooLarge"] = true

routers/web/repo/pull.go

@@ -1296,11 +1296,6 @@ func CompareAndPullRequestPost(ctx *context.Context) {
 	)
 
 	ci := ParseCompareInfo(ctx)
-	defer func() {
-		if ci != nil && ci.HeadGitRepo != nil {
-			ci.HeadGitRepo.Close()
-		}
-	}()
 	if ctx.Written() {
 		return
 	}