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-rw-r--r--setup.c55
1 files changed, 32 insertions, 23 deletions
diff --git a/setup.c b/setup.c
index 03f51e056c..8cc34186ce 100644
--- a/setup.c
+++ b/setup.c
@@ -312,7 +312,9 @@ int is_git_directory(const char *suspect)
size_t len;
/* Check worktree-related signatures */
- strbuf_addf(&path, "%s/HEAD", suspect);
+ strbuf_addstr(&path, suspect);
+ strbuf_complete(&path, '/');
+ strbuf_addstr(&path, "HEAD");
if (validate_headref(path.buf))
goto done;
@@ -432,16 +434,15 @@ static int check_repo_format(const char *var, const char *value, void *vdata)
return 0;
}
-static int check_repository_format_gently(const char *gitdir, int *nongit_ok)
+static int check_repository_format_gently(const char *gitdir, struct repository_format *candidate, int *nongit_ok)
{
struct strbuf sb = STRBUF_INIT;
struct strbuf err = STRBUF_INIT;
- struct repository_format candidate;
int has_common;
has_common = get_common_dir(&sb, gitdir);
strbuf_addstr(&sb, "/config");
- read_repository_format(&candidate, sb.buf);
+ read_repository_format(candidate, sb.buf);
strbuf_release(&sb);
/*
@@ -449,10 +450,10 @@ static int check_repository_format_gently(const char *gitdir, int *nongit_ok)
* we treat a missing config as a silent "ok", even when nongit_ok
* is unset.
*/
- if (candidate.version < 0)
+ if (candidate->version < 0)
return 0;
- if (verify_repository_format(&candidate, &err) < 0) {
+ if (verify_repository_format(candidate, &err) < 0) {
if (nongit_ok) {
warning("%s", err.buf);
strbuf_release(&err);
@@ -462,21 +463,21 @@ static int check_repository_format_gently(const char *gitdir, int *nongit_ok)
die("%s", err.buf);
}
- repository_format_precious_objects = candidate.precious_objects;
- string_list_clear(&candidate.unknown_extensions, 0);
+ repository_format_precious_objects = candidate->precious_objects;
+ string_list_clear(&candidate->unknown_extensions, 0);
if (!has_common) {
- if (candidate.is_bare != -1) {
- is_bare_repository_cfg = candidate.is_bare;
+ if (candidate->is_bare != -1) {
+ is_bare_repository_cfg = candidate->is_bare;
if (is_bare_repository_cfg == 1)
inside_work_tree = -1;
}
- if (candidate.work_tree) {
+ if (candidate->work_tree) {
free(git_work_tree_cfg);
- git_work_tree_cfg = candidate.work_tree;
+ git_work_tree_cfg = candidate->work_tree;
inside_work_tree = -1;
}
} else {
- free(candidate.work_tree);
+ free(candidate->work_tree);
}
return 0;
@@ -487,6 +488,7 @@ int read_repository_format(struct repository_format *format, const char *path)
memset(format, 0, sizeof(*format));
format->version = -1;
format->is_bare = -1;
+ format->hash_algo = GIT_HASH_SHA1;
string_list_init(&format->unknown_extensions, 1);
git_config_from_file(check_repo_format, path, format);
return format->version;
@@ -623,6 +625,7 @@ cleanup_return:
static const char *setup_explicit_git_dir(const char *gitdirenv,
struct strbuf *cwd,
+ struct repository_format *repo_fmt,
int *nongit_ok)
{
const char *work_tree_env = getenv(GIT_WORK_TREE_ENVIRONMENT);
@@ -648,7 +651,7 @@ static const char *setup_explicit_git_dir(const char *gitdirenv,
die("Not a git repository: '%s'", gitdirenv);
}
- if (check_repository_format_gently(gitdirenv, nongit_ok)) {
+ if (check_repository_format_gently(gitdirenv, repo_fmt, nongit_ok)) {
free(gitfile);
return NULL;
}
@@ -721,9 +724,10 @@ static const char *setup_explicit_git_dir(const char *gitdirenv,
static const char *setup_discovered_git_dir(const char *gitdir,
struct strbuf *cwd, int offset,
+ struct repository_format *repo_fmt,
int *nongit_ok)
{
- if (check_repository_format_gently(gitdir, nongit_ok))
+ if (check_repository_format_gently(gitdir, repo_fmt, nongit_ok))
return NULL;
/* --work-tree is set without --git-dir; use discovered one */
@@ -735,7 +739,7 @@ static const char *setup_discovered_git_dir(const char *gitdir,
gitdir = to_free = real_pathdup(gitdir, 1);
if (chdir(cwd->buf))
die_errno("Could not come back to cwd");
- ret = setup_explicit_git_dir(gitdir, cwd, nongit_ok);
+ ret = setup_explicit_git_dir(gitdir, cwd, repo_fmt, nongit_ok);
free(to_free);
return ret;
}
@@ -767,11 +771,12 @@ static const char *setup_discovered_git_dir(const char *gitdir,
/* #16.1, #17.1, #20.1, #21.1, #22.1 (see t1510) */
static const char *setup_bare_git_dir(struct strbuf *cwd, int offset,
+ struct repository_format *repo_fmt,
int *nongit_ok)
{
int root_len;
- if (check_repository_format_gently(".", nongit_ok))
+ if (check_repository_format_gently(".", repo_fmt, nongit_ok))
return NULL;
setenv(GIT_IMPLICIT_WORK_TREE_ENVIRONMENT, "0", 1);
@@ -783,7 +788,7 @@ static const char *setup_bare_git_dir(struct strbuf *cwd, int offset,
gitdir = offset == cwd->len ? "." : xmemdupz(cwd->buf, offset);
if (chdir(cwd->buf))
die_errno("Could not come back to cwd");
- return setup_explicit_git_dir(gitdir, cwd, nongit_ok);
+ return setup_explicit_git_dir(gitdir, cwd, repo_fmt, nongit_ok);
}
inside_git_dir = 1;
@@ -921,7 +926,7 @@ static enum discovery_result setup_git_directory_gently_1(struct strbuf *dir,
* - ../.git
* - ../.git/
* - ../ (bare)
- * - ../../.git/
+ * - ../../.git
* etc.
*/
one_filesystem = !git_env_bool("GIT_DISCOVERY_ACROSS_FILESYSTEM", 0);
@@ -1024,6 +1029,7 @@ const char *setup_git_directory_gently(int *nongit_ok)
static struct strbuf cwd = STRBUF_INIT;
struct strbuf dir = STRBUF_INIT, gitdir = STRBUF_INIT;
const char *prefix;
+ struct repository_format repo_fmt;
/*
* We may have read an incomplete configuration before
@@ -1051,18 +1057,18 @@ const char *setup_git_directory_gently(int *nongit_ok)
prefix = NULL;
break;
case GIT_DIR_EXPLICIT:
- prefix = setup_explicit_git_dir(gitdir.buf, &cwd, nongit_ok);
+ prefix = setup_explicit_git_dir(gitdir.buf, &cwd, &repo_fmt, nongit_ok);
break;
case GIT_DIR_DISCOVERED:
if (dir.len < cwd.len && chdir(dir.buf))
die(_("Cannot change to '%s'"), dir.buf);
prefix = setup_discovered_git_dir(gitdir.buf, &cwd, dir.len,
- nongit_ok);
+ &repo_fmt, nongit_ok);
break;
case GIT_DIR_BARE:
if (dir.len < cwd.len && chdir(dir.buf))
die(_("Cannot change to '%s'"), dir.buf);
- prefix = setup_bare_git_dir(&cwd, dir.len, nongit_ok);
+ prefix = setup_bare_git_dir(&cwd, dir.len, &repo_fmt, nongit_ok);
break;
case GIT_DIR_HIT_CEILING:
prefix = setup_nongit(cwd.buf, nongit_ok);
@@ -1108,6 +1114,8 @@ const char *setup_git_directory_gently(int *nongit_ok)
repo_set_gitdir(the_repository, gitdir);
setup_git_env();
}
+ if (startup_info->have_repository)
+ repo_set_hash_algo(the_repository, repo_fmt.hash_algo);
}
strbuf_release(&dir);
@@ -1169,7 +1177,8 @@ int git_config_perm(const char *var, const char *value)
void check_repository_format(void)
{
- check_repository_format_gently(get_git_dir(), NULL);
+ struct repository_format repo_fmt;
+ check_repository_format_gently(get_git_dir(), &repo_fmt, NULL);
startup_info->have_repository = 1;
}