Log STDERR of external renderer when it fails (#22442) (#22444)

Backport #22442.

modules/markup/external/external.go

@@ -5,6 +5,7 @@
 package external
 
 import (
+	"bytes"
 	"fmt"
 	"io"
 	"os"
@@ -133,11 +134,13 @@ func (p *Renderer) Render(ctx *markup.RenderContext, input io.Reader, output io.
 	if !p.IsInputFile {
 		cmd.Stdin = input
 	}
+	var stderr bytes.Buffer
 	cmd.Stdout = output
+	cmd.Stderr = &stderr
 	process.SetSysProcAttribute(cmd)
 
 	if err := cmd.Run(); err != nil {
-		return fmt.Errorf("%s render run command %s %v failed: %w", p.Name(), commands[0], args, err)
+		return fmt.Errorf("%s render run command %s %v failed: %w\nStderr: %s", p.Name(), commands[0], args, err, stderr.String())
 	}
 	return nil
 }

templates/repo/pulls/status.tmpl

@@ -18,14 +18,16 @@
 	{{end}}
 
 	{{range $.LatestCommitStatuses}}
-		<div class="ui attached segment">
-			<span>{{template "repo/commit_status" .}}</span>
-			<span class="ui">{{.Context}} <span class="text grey">{{.Description}}</span></span>
-			<div class="ui right">
-				{{if $.is_context_required}}
-					{{if (call $.is_context_required .Context)}}<div class="ui label">{{$.locale.Tr "repo.pulls.status_checks_requested"}}</div>{{end}}
-				{{end}}
-				<span class="ui">{{if .TargetURL}}<a href="{{.TargetURL}}">{{$.locale.Tr "repo.pulls.status_checks_details"}}</a>{{end}}</span>
+		<div class="ui attached segment pr-status">
+			{{template "repo/commit_status" .}}
+			<div class="status-context">
+				<span>{{.Context}} <span class="text grey">{{.Description}}</span></span>
+				<div class="ui status-details">
+					{{if $.is_context_required}}
+						{{if (call $.is_context_required .Context)}}<div class="ui label">{{$.locale.Tr "repo.pulls.status_checks_requested"}}</div>{{end}}
+					{{end}}
+					<span class="ui">{{if .TargetURL}}<a href="{{.TargetURL}}">{{$.locale.Tr "repo.pulls.status_checks_details"}}</a>{{end}}</span>
+				</div>
 			</div>
 		</div>
 	{{end}}

web_src/less/_repository.less

@@ -3494,3 +3494,41 @@ td.blob-excerpt {
     max-width: 165px;
   }
 }
+
+.pr-status {
+  padding: 0 !important; // To clear fomantic's padding on .ui.segment elements
+  display: flex;
+  align-items: center;
+
+  .commit-status {
+    margin: 1em;
+    flex-shrink: 0;
+  }
+
+  .status-context {
+    display: flex;
+    justify-content: space-between;
+    width: 100%;
+
+    > span {
+      padding: 1em 0;
+    }
+  }
+
+  .status-details {
+    display: flex;
+    padding-right: .5em;
+    align-items: center;
+    justify-content: flex-end;
+
+    @media @mediaSm {
+      flex-direction: column;
+      align-items: flex-end;
+      justify-content: center;
+    }
+
+    > span {
+      padding-right: .5em; // To match the alignment with the "required" label
+    }
+  }
+}