feat: Allow executable bits to be overridden in archive-file externals

assets/chezmoi.io/docs/reference/special-files-and-directories/chezmoiexternal-format.md

@@ -89,7 +89,8 @@ If `type` is `archive-file` then the target is a file or symlink with the
 contents of the entry `path` in the archive at `url`. The optional integer field
 `stripComponents` will remove leading path components from the members of the
 archive before comparing them with `path`. The behavior of `format` is the same
-as for `archive`.
+as for `archive`. If `executable` is `true` then chezmoi will set the executable
+bits on the target file, even if they are not set in the archive.
 
 If `type` is `git-repo` then chezmoi will run `git clone $URL $TARGET_NAME`
 with the optional `clone.args` if the target does not exist. If the target

pkg/chezmoi/sourcestate.go

@@ -2410,7 +2410,7 @@ func (s *SourceState) readExternalArchiveFile(
 				TargetName: fileInfo.Name(),
 				Type:       SourceFileTypeFile,
 				Empty:      fileInfo.Size() == 0,
-				Executable: isExecutable(fileInfo),
+				Executable: isExecutable(fileInfo) || external.Executable,
 				Private:    isPrivate(fileInfo),
 				ReadOnly:   isReadOnly(fileInfo),
 			}

pkg/cmd/testdata/scripts/external.txtar

@@ -103,6 +103,13 @@ chhome home12/user
 exec chezmoi apply
 cmp $HOME/.file golden/dir/file
 
+chhome home13/user
+
+# test that chezmoi can set executable bits on archive-file externals
+exec chezmoi apply
+[umask:002] cmpmod 775 $HOME/.file
+[umask:022] cmpmod 755 $HOME/.file
+
 -- archive/dir/file --
 # contents of dir/file
 -- golden/.file --
@@ -142,6 +149,13 @@ cmp $HOME/.file golden/dir/file
     url = "{{ env "HTTPD_URL" }}/archive.tar.gz"
     path = "dir/file"
     stripComponents = 1
+-- home13/user/.local/share/chezmoi/.chezmoiexternal.toml --
+[".file"]
+    type = "archive-file"
+    url = "{{ env "HTTPD_URL" }}/archive.tar.gz"
+    path = "dir/file"
+    executable = true
+    stripComponents = 1
 -- home2/user/.local/share/chezmoi/.chezmoiexternal.toml --
 [".file"]
     type = "file"