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[v5,3/8] worktree: refactor infer_backlink return

Message ID 20241125-wt_relative_options-v5-3-356d122ff3db@pm.me (mailing list archive)
State New
Headers show
Series Allow relative worktree linking to be configured by the user | expand

Commit Message

Caleb White Nov. 26, 2024, 1:51 a.m. UTC
The previous round[1] was merged a bit early before reviewer feedback
could be applied. This correctly indents a code block and updates the
`infer_backlink` function to return `-1` on failure and strbuf.len on
success.

[1]: https://lore.kernel.org/git/20241007-wt_relative_paths-v3-0-622cf18c45eb@pm.me

Signed-off-by: Caleb White <cdwhite3@pm.me>
---
 worktree.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)
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Patch

diff --git a/worktree.c b/worktree.c
index 77ff484d3ec48c547ee4e3d958dfa28a52c1eaa7..afde5394c8760c328f12aa321be3ac5c199cc0f1 100644
--- a/worktree.c
+++ b/worktree.c
@@ -111,9 +111,9 @@  struct worktree *get_linked_worktree(const char *id,
 	strbuf_strip_suffix(&worktree_path, "/.git");
 
 	if (!is_absolute_path(worktree_path.buf)) {
-	    strbuf_strip_suffix(&path, "gitdir");
-	    strbuf_addbuf(&path, &worktree_path);
-	    strbuf_realpath_forgiving(&worktree_path, path.buf, 0);
+		strbuf_strip_suffix(&path, "gitdir");
+		strbuf_addbuf(&path, &worktree_path);
+		strbuf_realpath_forgiving(&worktree_path, path.buf, 0);
 	}
 
 	CALLOC_ARRAY(worktree, 1);
@@ -725,8 +725,10 @@  static int is_main_worktree_path(const char *path)
  * won't know which <repo>/worktrees/<id>/gitdir to repair. However, we may
  * be able to infer the gitdir by manually reading /path/to/worktree/.git,
  * extracting the <id>, and checking if <repo>/worktrees/<id> exists.
+ *
+ * Returns -1 on failure and strbuf.len on success.
  */
-static int infer_backlink(const char *gitfile, struct strbuf *inferred)
+static ssize_t infer_backlink(const char *gitfile, struct strbuf *inferred)
 {
 	struct strbuf actual = STRBUF_INIT;
 	const char *id;
@@ -747,12 +749,11 @@  static int infer_backlink(const char *gitfile, struct strbuf *inferred)
 		goto error;
 
 	strbuf_release(&actual);
-	return 1;
-
+	return inferred->len;
 error:
 	strbuf_release(&actual);
 	strbuf_reset(inferred); /* clear invalid path */
-	return 0;
+	return -1;
 }
 
 /*