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[PATCH 3/7] commit/status -h: show usage even with broken configuration

From
Jonathan Nieder <jrnieder@gmail.com>
Date
Oct 22, 2010, 06:45 UTC
Message-ID
<20101022064547.GD6081@burratino>
In-Reply-To
<20101022063837.GA6081@burratino>
From: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>

"git status" and "git commit" read .git/config and .gitmodules before parsing options, but there is no reason to access a repository at all when the caller just wanted to know what arguments are accepted.

[jn: rewrote the log message and added test]
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
---
 builtin/commit.c  |    6 ++++++
 t/t7508-status.sh |   24 ++++++++++++++++++++++++
 2 files changed, 30 insertions(+), 0 deletions(-)
diff --git a/builtin/commit.c b/builtin/commit.c
index 66fdd22..0abb430 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -1070,6 +1070,9 @@ int cmd_status(int argc, const char **argv, const char *prefix)
 		OPT_END(),
 	};
 
+	if (argc == 2 && !strcmp(argv[1], "-h"))
+		usage_with_options(builtin_status_usage, builtin_status_options);
+
 	if (null_termination && status_format == STATUS_FORMAT_LONG)
 		status_format = STATUS_FORMAT_PORCELAIN;
 
@@ -1255,6 +1258,9 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 	int allow_fast_forward = 1;
 	struct wt_status s;
 
+	if (argc == 2 && !strcmp(argv[1], "-h"))
+		usage_with_options(builtin_commit_usage, builtin_commit_options);
+
 	wt_status_prepare(&s);
 	git_config(git_commit_config, &s);
 	in_merge = file_exists(git_path("MERGE_HEAD"));
diff --git a/t/t7508-status.sh b/t/t7508-status.sh
index c9300f3..beaae94 100755
--- a/t/t7508-status.sh
+++ b/t/t7508-status.sh
@@ -7,6 +7,30 @@ test_description='git status'
 
 . ./test-lib.sh
 
+test_expect_success 'status -h in broken repository' '
+	mkdir broken &&
+	test_when_finished "rm -fr broken" &&
+	(
+		cd broken &&
+		git init &&
+		echo "[status] showuntrackedfiles = CORRUPT" >>.git/config &&
+		test_expect_code 129 git status -h >usage 2>&1
+	) &&
+	grep "[Uu]sage" broken/usage
+'
+
+test_expect_success 'commit -h in broken repository' '
+	mkdir broken &&
+	test_when_finished "rm -fr broken" &&
+	(
+		cd broken &&
+		git init &&
+		echo "[status] showuntrackedfiles = CORRUPT" >>.git/config &&
+		test_expect_code 129 git commit -h >usage 2>&1
+	) &&
+	grep "[Uu]sage" broken/usage
+'
+
 test_expect_success 'setup' '
 	: >tracked &&
 	: >modified &&
-- 
1.7.2.3
Previous: Jonathan NiederNext: Jonathan Nieder
Message 37 of 45 in “setup_git_env: print the true $GIT_DIR for debugging”
  1. 1/4 setup_git_env: print the true $GIT_DIR for debuggingNguyễn Thái Ngọc Duy, Oct 20, 2010
  2. 2/4 run_builtin(): save "-h" detection result for later useNguyễn Thái Ngọc Duy, Oct 20, 2010
  3. Junio C HamanoOct 21, 2010
  4. Nguyen Thai Ngoc DuyOct 22, 2010
  5. 3/4 builtins: utilize startup_info->help where possibleNguyễn Thái Ngọc Duy, Oct 20, 2010
  6. 4/4 builtins: check for startup_info->help, print and exit earlyNguyễn Thái Ngọc Duy, Oct 20, 2010
  7. 0/7 Jonathan Nieder, Oct 22, 2010
  8. 1/7 branch -h: show usage even in an invalid repositoryJonathan Nieder, Oct 22, 2010
  9. Junio C HamanoOct 22, 2010
  10. Jonathan NiederOct 24, 2010
  11. 0/4 update-index: migrate to parse-options APIJonathan Nieder, Oct 24, 2010
  12. 1/4 parse-options: allow git commands to invent new option typesJonathan Nieder, Oct 24, 2010
  13. Stephen BoydOct 25, 2010
  14. Jonathan NiederNov 29, 2010
  15. 2/4 parse-options: make resuming easier after PARSE_OPT_STOP_AT_NON_OPTIONJonathan Nieder, Oct 24, 2010
  16. 3/4 setup: save prefix (original cwd relative to toplevel) in startup_infoJonathan Nieder, Oct 24, 2010
  17. 4/4 update-index: migrate to parse-options APIJonathan Nieder, Oct 24, 2010
  18. Stephen BoydOct 25, 2010
  19. Jonathan NiederNov 30, 2010
  20. Nguyen Thai Ngoc DuyOct 24, 2010
  21. Junio C HamanoOct 27, 2010
  22. 0/6 update-index: migrate to parse-options APIJonathan Nieder, Nov 30, 2010
  23. 1/6 parse-options: sanity check PARSE_OPT_NOARG flagJonathan Nieder, Nov 30, 2010
  24. Stephen BoydNov 30, 2010
  25. Junio C HamanoDec 1, 2010
  26. Stephen BoydDec 3, 2010
  27. Junio C HamanoDec 1, 2010
  28. 2/6 parse-options: do not infer PARSE_OPT_NOARG from option typeJonathan Nieder, Nov 30, 2010
  29. Stephen BoydNov 30, 2010
  30. 3/6 parse-options: allow git commands to invent new option typesJonathan Nieder, Nov 30, 2010
  31. 4/6 parse-options: make resuming easier after PARSE_OPT_STOP_AT_NON_OPTIONJonathan Nieder, Nov 30, 2010
  32. 5/6 setup: save prefix (original cwd relative to toplevel) in startup_infoJonathan Nieder, Nov 30, 2010
  33. 6/6 update-index: migrate to parse-options APIJonathan Nieder, Nov 30, 2010
  34. Stephen BoydNov 30, 2010
  35. parse-options: always show arghelp when LITERAL_ARGHELP is setJonathan Nieder, Nov 30, 2010
  36. 2/7 checkout-index -h: show usage even in an invalid repositoryJonathan Nieder, Oct 22, 2010
  37. 3/7 commit/status -h: show usage even with broken configurationJonathan Nieder, Oct 22, 2010
  38. 4/7 gc -h: show usage even with broken configurationJonathan Nieder, Oct 22, 2010
  39. 5/7 ls-files -h: show usage even with corrupt indexJonathan Nieder, Oct 22, 2010
  40. Junio C HamanoOct 22, 2010
  41. 6/7 merge -h: show usage even with corrupt indexJonathan Nieder, Oct 22, 2010
  42. Junio C HamanoOct 22, 2010
  43. 7/7 update-index -h: show usage even with corrupt indexJonathan Nieder, Oct 22, 2010
  44. 0/7 avoid repository access during "git <foo> -h"Jonathan Nieder, Oct 22, 2010
  45. Nguyen Thai Ngoc DuyOct 22, 2010

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