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-rw-r--r--setup.c39
1 files changed, 36 insertions, 3 deletions
diff --git a/setup.c b/setup.c
index a17c51e61d..3324014cb7 100644
--- a/setup.c
+++ b/setup.c
@@ -5,6 +5,7 @@
static int inside_git_dir = -1;
static int inside_work_tree = -1;
static int work_tree_config_is_bogus;
+static struct string_list unknown_extensions = STRING_LIST_INIT_DUP;
/*
* The input parameter must contain an absolute path, and it must already be
@@ -352,10 +353,25 @@ void setup_work_tree(void)
static int check_repo_format(const char *var, const char *value, void *cb)
{
+ const char *ext;
+
if (strcmp(var, "core.repositoryformatversion") == 0)
repository_format_version = git_config_int(var, value);
else if (strcmp(var, "core.sharedrepository") == 0)
shared_repository = git_config_perm(var, value);
+ else if (skip_prefix(var, "extensions.", &ext)) {
+ /*
+ * record any known extensions here; otherwise,
+ * we fall through to recording it as unknown, and
+ * check_repository_format will complain
+ */
+ if (!strcmp(ext, "noop"))
+ ;
+ else if (!strcmp(ext, "preciousobjects"))
+ repository_format_precious_objects = git_config_bool(var, value);
+ else
+ string_list_append(&unknown_extensions, ext);
+ }
return 0;
}
@@ -366,6 +382,8 @@ static int check_repository_format_gently(const char *gitdir, int *nongit_ok)
config_fn_t fn;
int ret = 0;
+ string_list_clear(&unknown_extensions, 0);
+
if (get_common_dir(&sb, gitdir))
fn = check_repo_format;
else
@@ -383,16 +401,31 @@ static int check_repository_format_gently(const char *gitdir, int *nongit_ok)
* is a good one.
*/
git_config_early(fn, NULL, repo_config);
- if (GIT_REPO_VERSION < repository_format_version) {
+ if (GIT_REPO_VERSION_READ < repository_format_version) {
if (!nongit_ok)
die ("Expected git repo version <= %d, found %d",
- GIT_REPO_VERSION, repository_format_version);
+ GIT_REPO_VERSION_READ, repository_format_version);
warning("Expected git repo version <= %d, found %d",
- GIT_REPO_VERSION, repository_format_version);
+ GIT_REPO_VERSION_READ, repository_format_version);
warning("Please upgrade Git");
*nongit_ok = -1;
ret = -1;
}
+
+ if (repository_format_version >= 1 && unknown_extensions.nr) {
+ int i;
+
+ if (!nongit_ok)
+ die("unknown repository extension: %s",
+ unknown_extensions.items[0].string);
+
+ for (i = 0; i < unknown_extensions.nr; i++)
+ warning("unknown repository extension: %s",
+ unknown_extensions.items[i].string);
+ *nongit_ok = -1;
+ ret = -1;
+ }
+
strbuf_release(&sb);
return ret;
}