git/list[1] front-page[2] threads[3] people[4] search[5] about
 

[PATCH 06/16] Use git_config_early() instead of git_config() during repo setup

From
Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Date
Mar 11, 2010, 13:22 UTC
Message-ID
<1268313754-28179-7-git-send-email-pclouds@gmail.com>
In-Reply-To
<1268313754-28179-1-git-send-email-pclouds@gmail.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 setup.c |   30 ++++++++++++++++++++++--------
 1 files changed, 22 insertions(+), 8 deletions(-)
diff --git a/setup.c b/setup.c
index 43a8609..b8f88db 100644
--- a/setup.c
+++ b/setup.c
@@ -241,9 +241,21 @@ void setup_work_tree(void)
 	initialized = 1;
 }
 
-static int check_repository_format_gently(int *nongit_ok)
+static int check_repository_format_gently(const char *gitdir, int *nongit_ok)
 {
-	git_config(check_repository_format_version, NULL);
+	char repo_config[PATH_MAX+1];
+
+	/*
+	 * git_config() can't be used here because it calls git_pathdup()
+	 * to get $GIT_CONFIG/config. That call will make setup_git_env()
+	 * set git_dir to ".git".
+	 *
+	 * We are in gitdir setup, no git dir has been found useable yet.
+	 * Use a gentler version of git_config() to check if this repo
+	 * is a good one.
+	 */
+	snprintf(repo_config, PATH_MAX, "%s/config", gitdir);
+	git_config_early(check_repository_format_version, NULL, repo_config);
 	if (GIT_REPO_VERSION < repository_format_version) {
 		if (!nongit_ok)
 			die ("Expected git repo version <= %d, found %d",
@@ -348,12 +360,12 @@ static const char *setup_git_directory_gently_1(int *nongit_ok)
 			if (!work_tree_env) {
 				retval = set_work_tree(gitdirenv);
 				/* config may override worktree */
-				if (check_repository_format_gently(nongit_ok))
+				if (check_repository_format_gently(gitdirenv, nongit_ok))
 					return NULL;
 				set_git_dir(gitdirenv);
 				return retval;
 			}
-			if (check_repository_format_gently(nongit_ok))
+			if (check_repository_format_gently(gitdirenv, nongit_ok))
 				return NULL;
 			retval = get_relative_cwd(buffer, sizeof(buffer) - 1,
 					get_git_work_tree());
@@ -403,6 +415,8 @@ static const char *setup_git_directory_gently_1(int *nongit_ok)
 			inside_git_dir = 0;
 			if (!work_tree_env)
 				inside_work_tree = 1;
+			if (check_repository_format_gently(gitfile_dir, nongit_ok))
+				return NULL;
 			root_len = offset_1st_component(cwd);
 			git_work_tree_cfg = xstrndup(cwd, offset > root_len ? offset : root_len);
 			break;
@@ -411,6 +425,8 @@ static const char *setup_git_directory_gently_1(int *nongit_ok)
 			inside_git_dir = 1;
 			if (!work_tree_env)
 				inside_work_tree = 0;
+			if (check_repository_format_gently(gitfile_dir, nongit_ok))
+				return NULL;
 			if (offset != len) {
 				root_len = offset_1st_component(cwd);
 				cwd[offset > root_len ? offset : root_len] = '\0';
@@ -433,8 +449,6 @@ static const char *setup_git_directory_gently_1(int *nongit_ok)
 			die_errno("Cannot change to '%s/..'", cwd);
 	}
 
-	if (check_repository_format_gently(nongit_ok))
-		return NULL;
 	if (offset == len)
 		return NULL;
 
@@ -542,7 +556,7 @@ char *enter_repo(char *path, int strict)
 	    validate_headref("HEAD") == 0) {
 		inside_work_tree = 0;
 		inside_git_dir = 1;
-		check_repository_format();
+		check_repository_format_gently(".", NULL);
 		set_git_dir(".");
 		if (startup_info) {
 			startup_info->prefix = NULL;
@@ -627,7 +641,7 @@ int check_repository_format_version(const char *var, const char *value, void *cb
 
 int check_repository_format(void)
 {
-	return check_repository_format_gently(NULL);
+	return check_repository_format_gently(get_git_dir(), NULL);
 }
 
 const char *setup_git_directory(void)
-- 
1.7.0.1.384.g6abcaa
Previous: Nguyễn Thái Ngọc DuyNext: Nguyen Thai Ngoc Duy
Message 8 of 20 in “nd/setup part two”
  1. 00/16 nd/setup part twoNguyễn Thái Ngọc Duy, Mar 11, 2010
  2. 01/16 Move enter_repo() to setup.cNguyễn Thái Ngọc Duy, Mar 11, 2010
  3. 02/16 enter_repo(): initialize other variables as setup_git_directory_gently() doesNguyễn Thái Ngọc Duy, Mar 11, 2010
  4. 03/16 rev-parse --git-dir: print relative gitdir correctlyNguyễn Thái Ngọc Duy, Mar 11, 2010
  5. 04/16 worktree setup: call set_git_dir explicitlyNguyễn Thái Ngọc Duy, Mar 11, 2010
  6. Junio C HamanoMar 11, 2010
  7. 05/16 Add git_config_early()Nguyễn Thái Ngọc Duy, Mar 11, 2010
  8. 06/16 Use git_config_early() instead of git_config() during repo setupNguyễn Thái Ngọc Duy, Mar 11, 2010
  9. Nguyen Thai Ngoc DuyMar 12, 2010
  10. 07/16 worktree setup: restore original state when things go wrongNguyễn Thái Ngọc Duy, Mar 11, 2010
  11. 08/16 init/clone: turn on startup->have_repository properlyNguyễn Thái Ngọc Duy, Mar 11, 2010
  12. 09/16 git_config(): do not read .git/config if there is no repositoryNguyễn Thái Ngọc Duy, Mar 11, 2010
  13. 10/16 Do not read .git/info/exclude if there is no repositoryNguyễn Thái Ngọc Duy, Mar 11, 2010
  14. 11/16 Do not read .git/info/attributes if there is no repositoryNguyễn Thái Ngọc Duy, Mar 11, 2010
  15. 12/16 apply: do not check sha1 when repository has not been foundNguyễn Thái Ngọc Duy, Mar 11, 2010
  16. 13/16 config: do not read .git/config if there is no repositoryNguyễn Thái Ngọc Duy, Mar 11, 2010
  17. 14/16 Allow to undo setup_git_directory_gently() gracefully (and fix alias code)Nguyễn Thái Ngọc Duy, Mar 11, 2010
  18. 15/16 alias: keep repository found while collecting aliases as long as possibleNguyễn Thái Ngọc Duy, Mar 11, 2010
  19. 16/16 Guard unallowed access to repository when it's not set upNguyễn Thái Ngọc Duy, Mar 11, 2010
  20. Nguyen Thai Ngoc DuyMar 20, 2010

Read the whole thread, see it on lore, or plain text.

$ cat FOOTERMessages come from the public archive at lore.kernel.org/git, fetched every hour. The front page is chosen and written each morning by an AI editor and can be wrong; the threads themselves are the record. About and API. For agents: an MCP server at https://gitlist.dev/mcp, and any thread, story or person page as Markdown by adding .md to its URL (or sending Accept: text/markdown). Details in /llms.txt.