Fix view commit link (#30297) (#30299)

Backport #30297

templates/repo/commits_list.tmpl

@@ -78,15 +78,14 @@
 					{{end}}
 					<td class="text right aligned tw-py-0">
 						<button class="btn interact-bg tw-p-2" data-tooltip-content="{{ctx.Locale.Tr "copy_hash"}}" data-clipboard-text="{{.ID}}">{{svg "octicon-copy"}}</button>
-							<a
-								class="btn interact-bg tw-p-2"
-								data-tooltip-content="{{ctx.Locale.Tr "repo.commits.view_path"}}"
-								href="{{if $.FileName}}{{printf "%s/src/commit/%s/%s" $commitRepoLink (PathEscape .ID.String) (PathEscapeSegments $.FileName)}}{{else}}{{printf "%s/src/commit/%s" $commitRepoLink (PathEscape .ID.String)}}{{end}}">
-								{{svg "octicon-file-code"}}
-							</a>
+						{{if not $.PageIsWiki}}{{/* at the moment, wiki doesn't support "view at history point*/}}
+							{{$viewCommitLink := printf "%s/src/commit/%s" $commitRepoLink (PathEscape .ID.String)}}
+							{{if $.FileName}}{{$viewCommitLink = printf "%s/%s" $viewCommitLink (PathEscapeSegments $.FileName)}}{{end}}
+							<a class="btn interact-bg tw-p-2" data-tooltip-content="{{ctx.Locale.Tr "repo.commits.view_path"}}" href="{{$viewCommitLink}}">{{svg "octicon-file-code"}}</a>
+						{{end}}
 					</td>
 				</tr>
 			{{end}}
 		</tbody>
 	</table>
-	</div>
+</div>