From 640ce1052bbd6a8f1dd4d58beaa521d7592a0f02 Mon Sep 17 00:00:00 2001 From: Matthias Kestenholz Date: Thu, 3 Aug 2006 17:24:38 +0200 Subject: Make git-symbolic-ref a builtin Signed-off-by: Matthias Kestenholz Signed-off-by: Junio C Hamano --- builtin-symbolic-ref.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 builtin-symbolic-ref.c (limited to 'builtin-symbolic-ref.c') diff --git a/builtin-symbolic-ref.c b/builtin-symbolic-ref.c new file mode 100644 index 0000000000..b4ec6f28ed --- /dev/null +++ b/builtin-symbolic-ref.c @@ -0,0 +1,35 @@ +#include "builtin.h" +#include "cache.h" + +static const char git_symbolic_ref_usage[] = +"git-symbolic-ref name [ref]"; + +static void check_symref(const char *HEAD) +{ + unsigned char sha1[20]; + const char *git_HEAD = strdup(git_path("%s", HEAD)); + const char *git_refs_heads_master = resolve_ref(git_HEAD, sha1, 0); + if (git_refs_heads_master) { + /* we want to strip the .git/ part */ + int pfxlen = strlen(git_HEAD) - strlen(HEAD); + puts(git_refs_heads_master + pfxlen); + } + else + die("No such ref: %s", HEAD); +} + +int cmd_symbolic_ref(int argc, const char **argv, const char *prefix) +{ + git_config(git_default_config); + switch (argc) { + case 2: + check_symref(argv[1]); + break; + case 3: + create_symref(strdup(git_path("%s", argv[1])), argv[2]); + break; + default: + usage(git_symbolic_ref_usage); + } + return 0; +} -- cgit v1.2.3