35 lines
728 B
35 lines
728 B
#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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