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[PATCH 19/24] Let 'git http-fetch -h' show usage outside any git repository

From
Jonathan Nieder <jrnieder@gmail.com>
Date
Nov 9, 2009, 15:04 UTC
Message-ID
<1257779104-23884-19-git-send-email-jrnieder@gmail.com>
In-Reply-To
<20091109150235.GA23871@progeny.tock>

Delay search for a git directory until option parsing has finished. None of the functions used in option parsing look for or read any files other than stdin, so this is safe.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
---
 http-fetch.c |   21 +++++++++++++--------
 1 files changed, 13 insertions(+), 8 deletions(-)
diff --git a/http-fetch.c b/http-fetch.c
index e8f44ba..52a4f6d 100644
--- a/http-fetch.c
+++ b/http-fetch.c
@@ -1,6 +1,10 @@
 #include "cache.h"
+#include "exec_cmd.h"
 #include "walker.h"
 
+static const char http_fetch_usage[] = "git http-fetch "
+"[-c] [-t] [-a] [-v] [--recover] [-w ref] [--stdin] commit-id url";
+
 int main(int argc, const char **argv)
 {
 	const char *prefix;
@@ -19,10 +23,6 @@ int main(int argc, const char **argv)
 	int get_verbosely = 0;
 	int get_recover = 0;
 
-	prefix = setup_git_directory();
-
-	git_config(git_default_config, NULL);
-
 	while (arg < argc && argv[arg][0] == '-') {
 		if (argv[arg][1] == 't') {
 			get_tree = 1;
@@ -37,6 +37,8 @@ int main(int argc, const char **argv)
 		} else if (argv[arg][1] == 'w') {
 			write_ref = &argv[arg + 1];
 			arg++;
+		} else if (argv[arg][1] == 'h') {
+			usage(http_fetch_usage);
 		} else if (!strcmp(argv[arg], "--recover")) {
 			get_recover = 1;
 		} else if (!strcmp(argv[arg], "--stdin")) {
@@ -44,10 +46,8 @@ int main(int argc, const char **argv)
 		}
 		arg++;
 	}
-	if (argc < arg + 2 - commits_on_stdin) {
-		usage("git http-fetch [-c] [-t] [-a] [-v] [--recover] [-w ref] [--stdin] commit-id url");
-		return 1;
-	}
+	if (argc != arg + 2 - commits_on_stdin)
+		usage(http_fetch_usage);
 	if (commits_on_stdin) {
 		commits = walker_targets_stdin(&commit_id, &write_ref);
 	} else {
@@ -55,6 +55,11 @@ int main(int argc, const char **argv)
 		commits = 1;
 	}
 	url = argv[arg];
+
+	prefix = setup_git_directory();
+
+	git_config(git_default_config, NULL);
+
 	if (url && url[strlen(url)-1] != '/') {
 		rewritten_url = xmalloc(strlen(url)+2);
 		strcpy(rewritten_url, url);
-- 
1.6.5.2
Previous: Jonathan NiederNext: Jonathan Nieder
Message 30 of 39 in “Let 'git <command> -h' show usage without a git dir”
  1. Let 'git <command> -h' show usage without a git dirJonathan Nieder, Nov 8, 2009
  2. Show usage string for 'git http-push -h'Jonathan Nieder, Nov 8, 2009
  3. Tay Ray ChuanNov 9, 2009
  4. Show usage string for 'git http-push -h'Jonathan Nieder, Nov 9, 2009
  5. Tay Ray ChuanNov 9, 2009
  6. Junio C HamanoNov 8, 2009
  7. Jonathan NiederNov 8, 2009
  8. 00/24 Let 'git <command> -h' show usage without a git dirJonathan Nieder, Nov 9, 2009
  9. 01/24 Retire fetch--tool helper to contrib/examplesJonathan Nieder, Nov 9, 2009
  10. 02/24 Show usage string for 'git grep -h'Jonathan Nieder, Nov 9, 2009
  11. 03/24 Show usage string for 'git cherry -h'Jonathan Nieder, Nov 9, 2009
  12. 04/24 Show usage string for 'git commit-tree -h'Jonathan Nieder, Nov 9, 2009
  13. 05/24 Show usage string for 'git merge-ours -h'Jonathan Nieder, Nov 9, 2009
  14. 06/24 Show usage string for 'git show-ref -h'Jonathan Nieder, Nov 9, 2009
  15. 07/24 check-ref-format: update usage stringJonathan Nieder, Nov 9, 2009
  16. Junio C HamanoNov 10, 2009
  17. 08/24 Show usage string for 'git check-ref-format -h'Jonathan Nieder, Nov 9, 2009
  18. 09/24 Show usage string for 'git fast-import -h'Jonathan Nieder, Nov 9, 2009
  19. 10/24 Show usage string for 'git get-tar-commit-id -h'Jonathan Nieder, Nov 9, 2009
  20. 11/24 Show usage string for 'git imap-send -h'Jonathan Nieder, Nov 9, 2009
  21. 12/24 Show usage string for 'git mailsplit -h'Jonathan Nieder, Nov 9, 2009
  22. 13/24 Show usage string for 'git merge-one-file -h'Jonathan Nieder, Nov 9, 2009
  23. 14/24 Show usage string for 'git rev-parse -h'Jonathan Nieder, Nov 9, 2009
  24. 15/24 Show usage string for 'git show-index -h'Jonathan Nieder, Nov 9, 2009
  25. 16/24 Show usage string for 'git unpack-file -h'Jonathan Nieder, Nov 9, 2009
  26. 17/24 Show usage string for 'git stripspace -h'Jonathan Nieder, Nov 9, 2009
  27. 18/24 merge: do not setup worktree twiceJonathan Nieder, Nov 9, 2009
  28. Junio C HamanoNov 10, 2009
  29. Jonathan NiederNov 11, 2009
  30. 19/24 Let 'git http-fetch -h' show usage outside any git repositoryJonathan Nieder, Nov 9, 2009
  31. 20/24 http-fetch: add missing initialization of argv0_pathJonathan Nieder, Nov 9, 2009
  32. Junio C HamanoNov 10, 2009
  33. Johannes SixtNov 10, 2009
  34. Jonathan NiederNov 11, 2009
  35. 21/24 Let 'git <command> -h' show usage without a git dirJonathan Nieder, Nov 9, 2009
  36. 22/24 Let usage() take a printf-style formatJonathan Nieder, Nov 9, 2009
  37. Junio C HamanoNov 10, 2009
  38. 23/24 merge-{recursive,subtree}: use usage() to print usageJonathan Nieder, Nov 9, 2009
  39. 24/24 diff --no-index: make the usage string less scaryJonathan Nieder, Nov 9, 2009

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