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git/builtin/check-ref-format.c
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/* | |
* 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 = xmallocz(strlen(refname)); | |
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; | |
} |