/* * GIT - The information manager from hell */ #include "cache.h" #include "refs.h" #include "builtin.h" #include "strbuf.h" static const char builtin_check_ref_format_usage[] = "git check-ref-format [--normalize] [options] <refname>\n" " or: git check-ref-format --branch <branchname-shorthand>"; /* * Return a copy of refname but with leading slashes removed and runs * of adjacent slashes replaced with single slashes. * * This function is similar to normalize_path_copy(), but stripped down * to meet check_ref_format's simpler needs. */ static char *collapse_slashes(const char *refname) { char *ret = xmalloc(strlen(refname) + 1); char ch; char prev = '/'; char *cp = ret; while ((ch = *refname++) != '\0') { if (prev == '/' && ch == prev) continue; *cp++ = ch; prev = ch; } *cp = '\0'; return ret; } static int check_ref_format_branch(const char *arg) { struct strbuf sb = STRBUF_INIT; int nongit; setup_git_directory_gently(&nongit); if (strbuf_check_branch_ref(&sb, arg)) die("'%s' is not a valid branch name", arg); printf("%s\n", sb.buf + 11); return 0; } int cmd_check_ref_format(int argc, const char **argv, const char *prefix) { int i; int normalize = 0; int flags = 0; const char *refname; if (argc == 2 && !strcmp(argv[1], "-h")) usage(builtin_check_ref_format_usage); if (argc == 3 && !strcmp(argv[1], "--branch")) return check_ref_format_branch(argv[2]); for (i = 1; i < argc && argv[i][0] == '-'; i++) { if (!strcmp(argv[i], "--normalize") || !strcmp(argv[i], "--print")) normalize = 1; else if (!strcmp(argv[i], "--allow-onelevel")) flags |= REFNAME_ALLOW_ONELEVEL; else if (!strcmp(argv[i], "--no-allow-onelevel")) flags &= ~REFNAME_ALLOW_ONELEVEL; else if (!strcmp(argv[i], "--refspec-pattern")) flags |= REFNAME_REFSPEC_PATTERN; else usage(builtin_check_ref_format_usage); } if (! (i == argc - 1)) usage(builtin_check_ref_format_usage); refname = argv[i]; if (normalize) refname = collapse_slashes(refname); if (check_refname_format(refname, flags)) return 1; if (normalize) printf("%s\n", refname); return 0; }