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-rw-r--r--cache.h15
1 files changed, 9 insertions, 6 deletions
diff --git a/cache.h b/cache.h
index 160ff81aa7..82f39f7a9e 100644
--- a/cache.h
+++ b/cache.h
@@ -525,12 +525,15 @@ extern void set_git_work_tree(const char *tree);
extern void setup_work_tree(void);
/*
- * Find GIT_DIR of the repository that contains the current working directory,
- * without changing the working directory or other global state. The result is
- * appended to gitdir. The return value is either NULL if no repository was
- * found, or pointing to the path inside gitdir's buffer.
- */
-extern const char *discover_git_directory(struct strbuf *gitdir);
+ * Find the commondir and gitdir of the repository that contains the current
+ * working directory, without changing the working directory or other global
+ * state. The result is appended to commondir and gitdir. If the discovered
+ * gitdir does not correspond to a worktree, then 'commondir' and 'gitdir' will
+ * both have the same result appended to the buffer. The return value is
+ * either 0 upon success and non-zero if no repository was found.
+ */
+extern int discover_git_directory(struct strbuf *commondir,
+ struct strbuf *gitdir);
extern const char *setup_git_directory_gently(int *);
extern const char *setup_git_directory(void);
extern char *prefix_path(const char *prefix, int len, const char *path);