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[PATCH 3/7] check-ref-format --branch: give Porcelain a way to grok branch shorthand

From
Junio C Hamano <gitster@pobox.com>
Date
Mar 21, 2009, 22:13 UTC
Message-ID
<1237673619-12608-4-git-send-email-gitster@pobox.com>
In-Reply-To
<1237673619-12608-3-git-send-email-gitster@pobox.com>
The command may not be the best place to add this new feature, but
    $ git check-ref-format --branch "@{-1}"

allows Porcelains to figure out what branch you were on before the last branch switching.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 builtin-check-ref-format.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/builtin-check-ref-format.c b/builtin-check-ref-format.c
index 701de43..39db6cb 100644
--- a/builtin-check-ref-format.c
+++ b/builtin-check-ref-format.c
@@ -5,9 +5,19 @@
 #include "cache.h"
 #include "refs.h"
 #include "builtin.h"
+#include "strbuf.h"
 
 int cmd_check_ref_format(int argc, const char **argv, const char *prefix)
 {
+	if (argc == 3 && !strcmp(argv[1], "--branch")) {
+		struct strbuf sb = STRBUF_INIT;
+		strbuf_branchname(&sb, argv[2]);
+		strbuf_splice(&sb, 0, 0, "refs/heads/", 11);
+		if (check_ref_format(sb.buf))
+			die("'%s' is not a valid branch name", argv[2]);
+		printf("%s\n", sb.buf + 11);
+		exit(0);
+	}
 	if (argc != 2)
 		usage("git check-ref-format refname");
 	return !!check_ref_format(argv[1]);
-- 
1.6.2.1.299.gda643a
Previous: Junio C HamanoNext: Junio C Hamano
Message 4 of 14 in “Clean up interpret_nth_last_branch feature”
  1. 0/7 Clean up interpret_nth_last_branch featureJunio C Hamano, Mar 21, 2009
  2. 1/7 check_ref_format(): tighten refname rulesJunio C Hamano, Mar 21, 2009
  3. 2/7 Rename interpret/substitute nth_last_branch functionsJunio C Hamano, Mar 21, 2009
  4. 3/7 check-ref-format --branch: give Porcelain a way to grok branch shorthandJunio C Hamano, Mar 21, 2009
  5. 4/7 strbuf_branchname(): a wrapper for branch name shorthandsJunio C Hamano, Mar 21, 2009
  6. 5/7 Fix "branch -m @{-1} newname"Junio C Hamano, Mar 21, 2009
  7. 6/7 strbuf_check_branch_ref(): a helper to check a refname for a branchJunio C Hamano, Mar 21, 2009
  8. 7/7 checkout -: make "-" to mean "previous branch" everywhereJunio C Hamano, Mar 21, 2009
  9. 7/7 checkout -: make "-" to mean "previous branch" everywhereJunio C Hamano, Mar 22, 2009
  10. Bert WesargMar 22, 2009
  11. Junio C HamanoMar 22, 2009
  12. Junio C HamanoMar 21, 2009
  13. Johannes SchindelinMar 22, 2009
  14. Junio C HamanoMar 22, 2009

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