This function has both $GIT_COMMON_DIR and $GIT_DIR in "opts". Use it
to construct config.worktree path instead because git_pathdup() is
tied to the current worktree, but the given $GIT_DIR could be from
another one.

Signed-off-by: Nguyễn Thái Ngọc Duy <[email protected]>
---
 config.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/config.c b/config.c
index ff521eb27a..79fbe65da8 100644
--- a/config.c
+++ b/config.c
@@ -1665,6 +1665,7 @@ static int do_git_config_sequence(const struct 
config_options *opts,
        char *xdg_config = xdg_config_home("config");
        char *user_config = expand_user_path("~/.gitconfig", 0);
        char *repo_config;
+       char *worktree_config;
 
        if (opts->commondir)
                repo_config = mkpathdup("%s/config", opts->commondir);
@@ -1672,6 +1673,10 @@ static int do_git_config_sequence(const struct 
config_options *opts,
                BUG("git_dir without commondir");
        else
                repo_config = NULL;
+       if (repository_format_worktree_config)
+               worktree_config = mkpathdup("%s/config.worktree", 
opts->git_dir);
+       else
+               worktree_config = NULL;
 
        current_parsing_scope = CONFIG_SCOPE_SYSTEM;
        if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0))
@@ -1693,12 +1698,8 @@ static int do_git_config_sequence(const struct 
config_options *opts,
         * Note: this should have a new scope, CONFIG_SCOPE_WORKTREE.
         * But let's not complicate things before it's actually needed.
         */
-       if (repository_format_worktree_config) {
-               char *path = git_pathdup("config.worktree");
-               if (!access_or_die(path, R_OK, 0))
-                       ret += git_config_from_file(fn, path, data);
-               free(path);
-       }
+       if (worktree_config && !access_or_die(worktree_config, R_OK, 0))
+               ret += git_config_from_file(fn, worktree_config, data);
 
        current_parsing_scope = CONFIG_SCOPE_CMDLINE;
        if (git_config_from_parameters(fn, data) < 0)
@@ -1708,6 +1709,7 @@ static int do_git_config_sequence(const struct 
config_options *opts,
        free(xdg_config);
        free(user_config);
        free(repo_config);
+       free(worktree_config);
        return ret;
 }
 
-- 
2.20.0.482.g66447595a7

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