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https://github.com/git/git.git
synced 2024-12-11 19:03:50 +08:00
62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
/*
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* GIT - The information manager from hell
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*/
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#include "cache.h"
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#include "refs.h"
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#include "builtin.h"
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#include "strbuf.h"
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static const char builtin_check_ref_format_usage[] =
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"git check-ref-format [--print] <refname>\n"
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" or: git check-ref-format --branch <branchname-shorthand>";
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/*
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* Replace each run of adjacent slashes in src with a single slash,
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* and write the result to dst.
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*
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* This function is similar to normalize_path_copy(), but stripped down
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* to meet check_ref_format's simpler needs.
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*/
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static void collapse_slashes(char *dst, const char *src)
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{
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char ch;
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char prev = '\0';
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while ((ch = *src++) != '\0') {
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if (prev == '/' && ch == prev)
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continue;
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*dst++ = ch;
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prev = ch;
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}
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*dst = '\0';
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}
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int cmd_check_ref_format(int argc, const char **argv, const char *prefix)
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{
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if (argc == 2 && !strcmp(argv[1], "-h"))
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usage(builtin_check_ref_format_usage);
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if (argc == 3 && !strcmp(argv[1], "--branch")) {
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struct strbuf sb = STRBUF_INIT;
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if (strbuf_check_branch_ref(&sb, argv[2]))
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die("'%s' is not a valid branch name", argv[2]);
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printf("%s\n", sb.buf + 11);
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exit(0);
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}
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if (argc == 3 && !strcmp(argv[1], "--print")) {
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char *refname = xmalloc(strlen(argv[2]) + 1);
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if (check_ref_format(argv[2]))
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exit(1);
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collapse_slashes(refname, argv[2]);
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printf("%s\n", refname);
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exit(0);
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}
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if (argc != 2)
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usage(builtin_check_ref_format_usage);
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return !!check_ref_format(argv[1]);
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}
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