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8da1977554
This adds a "int *flag" parameter to resolve_ref() and makes for_each_ref() family to call callback function with an extra "int flag" parameter. They are used to give two bits of information (REF_ISSYMREF and REF_ISPACKED) about the ref. Signed-off-by: Junio C Hamano <junkio@cox.net>
35 lines
728 B
C
35 lines
728 B
C
#include "builtin.h"
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#include "cache.h"
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#include "refs.h"
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static const char git_symbolic_ref_usage[] =
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"git-symbolic-ref name [ref]";
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static void check_symref(const char *HEAD)
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{
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unsigned char sha1[20];
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int flag;
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const char *refs_heads_master = resolve_ref(HEAD, sha1, 0, &flag);
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if (!refs_heads_master)
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die("No such ref: %s", HEAD);
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else if (!(flag & REF_ISSYMREF))
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die("ref %s is not a symbolic ref", HEAD);
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puts(refs_heads_master);
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}
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int cmd_symbolic_ref(int argc, const char **argv, const char *prefix)
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{
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git_config(git_default_config);
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switch (argc) {
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case 2:
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check_symref(argv[1]);
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break;
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case 3:
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create_symref(argv[1], argv[2]);
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break;
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default:
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usage(git_symbolic_ref_usage);
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}
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return 0;
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}
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