repository_item_path: return ENOTFOUND when appropriate
Disambiguate error values: return `GIT_ENOTFOUND` when the item cannot
exist in the repository (perhaps because the repository is inmemory or
otherwise not backed by a filesystem), return `-1` when there is a hard
failure.
diff --git a/include/git2/repository.h b/include/git2/repository.h
index a396a54..8aac0b3 100644
--- a/include/git2/repository.h
+++ b/include/git2/repository.h
@@ -433,12 +433,12 @@
* item. It will thereby honor things like the repository's
* common directory, gitdir, etc. In case a file path cannot
* exist for a given item (e.g. the working directory of a bare
- * repository), an error is returned.
+ * repository), GIT_ENOTFOUND is returned.
*
* @param out Buffer to store the path at
* @param repo Repository to get path for
* @param item The repository item for which to retrieve the path
- * @return 0 on success, otherwise a negative value
+ * @return 0, GIT_ENOTFOUND if the path cannot exist or an error code
*/
GIT_EXTERN(int) git_repository_item_path(git_buf *out, git_repository *repo, git_repository_item_t item);
diff --git a/src/repository.c b/src/repository.c
index 9729d31..27553ad 100644
--- a/src/repository.c
+++ b/src/repository.c
@@ -2272,7 +2272,7 @@
if (parent == NULL) {
giterr_set(GITERR_INVALID, "path cannot exist in repository");
- return -1;
+ return GIT_ENOTFOUND;
}
if (git_buf_sets(out, parent) < 0)
