Return the full rejection message and errors in flash errors (#13221)

Signed-off-by: Andrew Thornton <art27@cantab.net>

options/locale/locale_en-US.ini

@@ -870,9 +870,11 @@ editor.file_already_exists = A file named '%s' already exists in this repository
 editor.commit_empty_file_header = Commit an empty file
 editor.commit_empty_file_text = The file you're about to commit is empty. Proceed?
 editor.no_changes_to_show = There are no changes to show.
-editor.fail_to_update_file = Failed to update/create file '%s' with error: %v
+editor.fail_to_update_file = Failed to update/create file '%s'.
+editor.fail_to_update_file_summary = Error Message:
 editor.push_rejected_no_message = The change was rejected by the server without a message. Please check githooks.
-editor.push_rejected = The change was rejected by the server with the following message:<br>%s<br> Please check githooks.
+editor.push_rejected = The change was rejected by the server. Please check githooks.
+editor.push_rejected_summary = Full Rejection Message:
 editor.add_subdir = Add a directory…
 editor.unable_to_upload_files = Failed to upload files to '%s' with error: %v
 editor.upload_file_is_locked = File '%s' is locked by %s.
@@ -1259,11 +1261,15 @@ pulls.rebase_merge_commit_pull_request = Rebase and Merge (--no-ff)
 pulls.squash_merge_pull_request = Squash and Merge
 pulls.require_signed_wont_sign = The branch requires signed commits but this merge will not be signed
 pulls.invalid_merge_option = You cannot use this merge option for this pull request.
-pulls.merge_conflict = Merge Failed: There was a conflict whilst merging: %[1]s<br>%[2]s<br>Hint: Try a different strategy
+pulls.merge_conflict = Merge Failed: There was a conflict whilst merging. Hint: Try a different strategy
-pulls.rebase_conflict = Merge Failed: There was a conflict whilst rebasing commit: %[1]s<br>%[2]s<br>%[3]s<br>Hint:Try a different strategy
+pulls.merge_conflict_summary = Error Message
+pulls.rebase_conflict = Merge Failed: There was a conflict whilst rebasing commit: %[1]s. Hint: Try a different strategy
+pulls.rebase_conflict_summary = Error Message
+; </summary><code>%[2]s<br>%[3]s</code></details>
 pulls.unrelated_histories = Merge Failed: The merge head and base do not share a common history. Hint: Try a different strategy
 pulls.merge_out_of_date = Merge Failed: Whilst generating the merge, the base was updated. Hint: Try again.
-pulls.push_rejected = Merge Failed: The push was rejected with the following message:<br>%s<br>Review the githooks for this repository
+pulls.push_rejected = Merge Failed: The push was rejected. Review the githooks for this repository. 
+pulls.push_rejected_summary = Full Rejection Message
 pulls.push_rejected_no_message = Merge Failed: The push was rejected but there was no remote message.<br>Review the githooks for this repository
 pulls.open_unmerged_pull_exists = `You cannot perform a reopen operation because there is a pending pull request (#%d) with identical properties.`
 pulls.status_checking = Some checks are pending

routers/repo/branch.go

@@ -355,7 +355,16 @@ func CreateBranch(ctx *context.Context, form auth.NewBranchForm) {
 			if len(e.Message) == 0 {
 				ctx.Flash.Error(ctx.Tr("repo.editor.push_rejected_no_message"))
 			} else {
-				ctx.Flash.Error(ctx.Tr("repo.editor.push_rejected", utils.SanitizeFlashErrorString(e.Message)))
+				flashError, err := ctx.HTMLString(string(tplAlertDetails), map[string]interface{}{
+					"Message": ctx.Tr("repo.editor.push_rejected"),
+					"Summary": ctx.Tr("repo.editor.push_rejected_summary"),
+					"Details": utils.SanitizeFlashErrorString(e.Message),
+				})
+				if err != nil {
+					ctx.ServerError("UpdatePullRequest.HTMLString", err)
+					return
+				}
+				ctx.Flash.Error(flashError)
 			}
 			ctx.Redirect(ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchNameSubURL())
 			return

routers/repo/editor.go

@@ -293,10 +293,28 @@ func editFilePost(ctx *context.Context, form auth.EditRepoFileForm, isNewFile bo
 			if len(errPushRej.Message) == 0 {
 				ctx.RenderWithErr(ctx.Tr("repo.editor.push_rejected_no_message"), tplEditFile, &form)
 			} else {
-				ctx.RenderWithErr(ctx.Tr("repo.editor.push_rejected", utils.SanitizeFlashErrorString(errPushRej.Message)), tplEditFile, &form)
+				flashError, err := ctx.HTMLString(string(tplAlertDetails), map[string]interface{}{
+					"Message": ctx.Tr("repo.editor.push_rejected"),
+					"Summary": ctx.Tr("repo.editor.push_rejected_summary"),
+					"Details": utils.SanitizeFlashErrorString(errPushRej.Message),
+				})
+				if err != nil {
+					ctx.ServerError("editFilePost.HTMLString", err)
+					return
+				}
+				ctx.RenderWithErr(flashError, tplEditFile, &form)
 			}
 		} else {
-			ctx.RenderWithErr(ctx.Tr("repo.editor.fail_to_update_file", form.TreePath, utils.SanitizeFlashErrorString(err.Error())), tplEditFile, &form)
+			flashError, err := ctx.HTMLString(string(tplAlertDetails), map[string]interface{}{
+				"Message": ctx.Tr("repo.editor.fail_to_update_file", form.TreePath),
+				"Summary": ctx.Tr("repo.editor.fail_to_update_file_summary"),
+				"Details": utils.SanitizeFlashErrorString(err.Error()),
+			})
+			if err != nil {
+				ctx.ServerError("editFilePost.HTMLString", err)
+				return
+			}
+			ctx.RenderWithErr(flashError, tplEditFile, &form)
 		}
 	}
 
@@ -464,7 +482,16 @@ func DeleteFilePost(ctx *context.Context, form auth.DeleteRepoFileForm) {
 			if len(errPushRej.Message) == 0 {
 				ctx.RenderWithErr(ctx.Tr("repo.editor.push_rejected_no_message"), tplDeleteFile, &form)
 			} else {
-				ctx.RenderWithErr(ctx.Tr("repo.editor.push_rejected", utils.SanitizeFlashErrorString(errPushRej.Message)), tplDeleteFile, &form)
+				flashError, err := ctx.HTMLString(string(tplAlertDetails), map[string]interface{}{
+					"Message": ctx.Tr("repo.editor.push_rejected"),
+					"Summary": ctx.Tr("repo.editor.push_rejected_summary"),
+					"Details": utils.SanitizeFlashErrorString(errPushRej.Message),
+				})
+				if err != nil {
+					ctx.ServerError("DeleteFilePost.HTMLString", err)
+					return
+				}
+				ctx.RenderWithErr(flashError, tplDeleteFile, &form)
 			}
 		} else {
 			ctx.ServerError("DeleteRepoFile", err)
@@ -656,7 +683,16 @@ func UploadFilePost(ctx *context.Context, form auth.UploadRepoFileForm) {
 			if len(errPushRej.Message) == 0 {
 				ctx.RenderWithErr(ctx.Tr("repo.editor.push_rejected_no_message"), tplUploadFile, &form)
 			} else {
-				ctx.RenderWithErr(ctx.Tr("repo.editor.push_rejected", utils.SanitizeFlashErrorString(errPushRej.Message)), tplUploadFile, &form)
+				flashError, err := ctx.HTMLString(string(tplAlertDetails), map[string]interface{}{
+					"Message": ctx.Tr("repo.editor.push_rejected"),
+					"Summary": ctx.Tr("repo.editor.push_rejected_summary"),
+					"Details": utils.SanitizeFlashErrorString(errPushRej.Message),
+				})
+				if err != nil {
+					ctx.ServerError("UploadFilePost.HTMLString", err)
+					return
+				}
+				ctx.RenderWithErr(flashError, tplUploadFile, &form)
 			}
 		} else {
 			// os.ErrNotExist - upload file missing in the intervening time?!

routers/repo/pull.go

@@ -723,7 +723,16 @@ func UpdatePullRequest(ctx *context.Context) {
 	if err = pull_service.Update(issue.PullRequest, ctx.User, message); err != nil {
 		if models.IsErrMergeConflicts(err) {
 			conflictError := err.(models.ErrMergeConflicts)
-			ctx.Flash.Error(ctx.Tr("repo.pulls.merge_conflict", utils.SanitizeFlashErrorString(conflictError.StdErr), utils.SanitizeFlashErrorString(conflictError.StdOut)))
+			flashError, err := ctx.HTMLString(string(tplAlertDetails), map[string]interface{}{
+				"Message": ctx.Tr("repo.pulls.merge_conflict"),
+				"Summary": ctx.Tr("repo.pulls.merge_conflict_summary"),
+				"Details": utils.SanitizeFlashErrorString(conflictError.StdErr) + "<br>" + utils.SanitizeFlashErrorString(conflictError.StdOut),
+			})
+			if err != nil {
+				ctx.ServerError("UpdatePullRequest.HTMLString", err)
+				return
+			}
+			ctx.Flash.Error(flashError)
 			ctx.Redirect(ctx.Repo.RepoLink + "/pulls/" + com.ToStr(issue.Index))
 			return
 		}
@@ -846,12 +855,30 @@ func MergePullRequest(ctx *context.Context, form auth.MergePullRequestForm) {
 			return
 		} else if models.IsErrMergeConflicts(err) {
 			conflictError := err.(models.ErrMergeConflicts)
-			ctx.Flash.Error(ctx.Tr("repo.pulls.merge_conflict", utils.SanitizeFlashErrorString(conflictError.StdErr), utils.SanitizeFlashErrorString(conflictError.StdOut)))
+			flashError, err := ctx.HTMLString(string(tplAlertDetails), map[string]interface{}{
+				"Message": ctx.Tr("repo.editor.merge_conflict"),
+				"Summary": ctx.Tr("repo.editor.merge_conflict_summary"),
+				"Details": utils.SanitizeFlashErrorString(conflictError.StdErr) + "<br>" + utils.SanitizeFlashErrorString(conflictError.StdOut),
+			})
+			if err != nil {
+				ctx.ServerError("MergePullRequest.HTMLString", err)
+				return
+			}
+			ctx.Flash.Error(flashError)
 			ctx.Redirect(ctx.Repo.RepoLink + "/pulls/" + com.ToStr(pr.Index))
 			return
 		} else if models.IsErrRebaseConflicts(err) {
 			conflictError := err.(models.ErrRebaseConflicts)
-			ctx.Flash.Error(ctx.Tr("repo.pulls.rebase_conflict", utils.SanitizeFlashErrorString(conflictError.CommitSHA), utils.SanitizeFlashErrorString(conflictError.StdErr), utils.SanitizeFlashErrorString(conflictError.StdOut)))
+			flashError, err := ctx.HTMLString(string(tplAlertDetails), map[string]interface{}{
+				"Message": ctx.Tr("repo.editor.rebase_conflict", utils.SanitizeFlashErrorString(conflictError.CommitSHA)),
+				"Summary": ctx.Tr("repo.editor.rebase_conflict_summary"),
+				"Details": utils.SanitizeFlashErrorString(conflictError.StdErr) + "<br>" + utils.SanitizeFlashErrorString(conflictError.StdOut),
+			})
+			if err != nil {
+				ctx.ServerError("MergePullRequest.HTMLString", err)
+				return
+			}
+			ctx.Flash.Error(flashError)
 			ctx.Redirect(ctx.Repo.RepoLink + "/pulls/" + com.ToStr(pr.Index))
 			return
 		} else if models.IsErrMergeUnrelatedHistories(err) {
@@ -871,7 +898,16 @@ func MergePullRequest(ctx *context.Context, form auth.MergePullRequestForm) {
 			if len(message) == 0 {
 				ctx.Flash.Error(ctx.Tr("repo.pulls.push_rejected_no_message"))
 			} else {
-				ctx.Flash.Error(ctx.Tr("repo.pulls.push_rejected", utils.SanitizeFlashErrorString(pushrejErr.Message)))
+				flashError, err := ctx.HTMLString(string(tplAlertDetails), map[string]interface{}{
+					"Message": ctx.Tr("repo.pulls.push_rejected"),
+					"Summary": ctx.Tr("repo.pulls.push_rejected_summary"),
+					"Details": utils.SanitizeFlashErrorString(pushrejErr.Message),
+				})
+				if err != nil {
+					ctx.ServerError("MergePullRequest.HTMLString", err)
+					return
+				}
+				ctx.Flash.Error(flashError)
 			}
 			ctx.Redirect(ctx.Repo.RepoLink + "/pulls/" + com.ToStr(pr.Index))
 			return
@@ -986,7 +1022,16 @@ func CompareAndPullRequestPost(ctx *context.Context, form auth.CreateIssueForm)
 			if len(message) == 0 {
 				ctx.Flash.Error(ctx.Tr("repo.pulls.push_rejected_no_message"))
 			} else {
-				ctx.Flash.Error(ctx.Tr("repo.pulls.push_rejected", utils.SanitizeFlashErrorString(pushrejErr.Message)))
+				flashError, err := ctx.HTMLString(string(tplAlertDetails), map[string]interface{}{
+					"Message": ctx.Tr("repo.pulls.push_rejected"),
+					"Summary": ctx.Tr("repo.pulls.push_rejected_summary"),
+					"Details": utils.SanitizeFlashErrorString(pushrejErr.Message),
+				})
+				if err != nil {
+					ctx.ServerError("CompareAndPullRequest.HTMLString", err)
+					return
+				}
+				ctx.Flash.Error(flashError)
 			}
 			ctx.Redirect(ctx.Repo.RepoLink + "/pulls/" + com.ToStr(pullIssue.Index))
 			return

routers/repo/repo.go

@@ -24,7 +24,8 @@ import (
 )
 
 const (
-	tplCreate base.TplName = "repo/create"
+	tplCreate       base.TplName = "repo/create"
+	tplAlertDetails base.TplName = "base/alert_details"
 )
 
 // MustBeNotEmpty render when a repo is a empty git dir

routers/utils/utils.go

@@ -41,12 +41,6 @@ func IsValidSlackChannel(channelName string) bool {
 
 // SanitizeFlashErrorString will sanitize a flash error string
 func SanitizeFlashErrorString(x string) string {
-	runes := []rune(x)
-
-	if len(runes) > 512 {
-		x = "..." + string(runes[len(runes)-512:])
-	}
-
 	return strings.ReplaceAll(html.EscapeString(x), "\n", "<br>")
 }
 

templates/base/alert.tmpl

@@ -1,15 +1,15 @@
 {{if .Flash.ErrorMsg}}
-	<div class="ui negative message">
+	<div class="ui negative message flash-error">
 		<p>{{.Flash.ErrorMsg | Str2html}}</p>
 	</div>
 {{end}}
 {{if .Flash.SuccessMsg}}
-	<div class="ui positive message">
+	<div class="ui positive message flash-success">
 		<p>{{.Flash.SuccessMsg | Str2html}}</p>
 	</div>
 {{end}}
 {{if .Flash.InfoMsg}}
-	<div class="ui info message">
+	<div class="ui info message flash-info">
 		<p>{{.Flash.InfoMsg | Str2html}}</p>
 	</div>
 {{end}}

templates/base/alert_details.tmpl

@@ -0,0 +1,7 @@
+{{.Message}}
+<details>
+    <summary>{{.Summary}}</summary>
+    <code>
+        {{.Details | Str2html}}
+    </code>
+</details>

web_src/less/_base.less

@@ -1268,3 +1268,8 @@ table th[data-sortt-desc] {
 .ui.header > .ui.label.compact {
   margin-top: inherit;
 }
+
+.flash-error details code {
+  display: block;
+  text-align: left;
+}