#define REVERSED 1
static int show_type = NORMAL;
static int symbolic = 0;
+static int abbrev = 0;
static int output_sq = 0;
static int revs_count = 0;
};
const char **p = rev_args;
+ /* accept -<digit>, like traditional "head" */
+ if ((*arg == '-') && isdigit(arg[1]))
+ return 1;
+
for (;;) {
const char *str = *p++;
int len;
putchar('^');
if (symbolic && name)
show(name);
+ else if (abbrev)
+ show(find_unique_abbrev(sha1, abbrev));
else
show(sha1_to_hex(sha1));
}
/* Output a flag, only if filter allows it. */
-static void show_flag(char *arg)
+static int show_flag(char *arg)
{
if (!(filter & DO_FLAGS))
- return;
- if (filter & (is_rev_argument(arg) ? DO_REVS : DO_NOREV))
+ return 0;
+ if (filter & (is_rev_argument(arg) ? DO_REVS : DO_NOREV)) {
show(arg);
+ return 1;
+ }
+ return 0;
}
static void show_default(void)
show(buffer);
}
-static void show_file(const char *arg)
+static int show_file(const char *arg)
{
show_default();
- if ((filter & (DO_NONFLAGS|DO_NOREV)) == (DO_NONFLAGS|DO_NOREV))
+ if ((filter & (DO_NONFLAGS|DO_NOREV)) == (DO_NONFLAGS|DO_NOREV)) {
show(arg);
+ return 1;
+ }
+ return 0;
}
int main(int argc, char **argv)
const char *prefix = setup_git_directory();
for (i = 1; i < argc; i++) {
+ struct stat st;
char *arg = argv[i];
char *dotdot;
show_file(arg);
continue;
}
+ if (!strcmp(arg,"-n")) {
+ if (++i >= argc)
+ die("-n requires an argument");
+ if ((filter & DO_FLAGS) && (filter & DO_REVS)) {
+ show(arg);
+ show(argv[i]);
+ }
+ continue;
+ }
+ if (!strncmp(arg,"-n",2)) {
+ if ((filter & DO_FLAGS) && (filter & DO_REVS))
+ show(arg);
+ continue;
+ }
+
if (*arg == '-') {
if (!strcmp(arg, "--")) {
as_is = 1;
verify = 1;
continue;
}
+ if (!strcmp(arg, "--short") ||
+ !strncmp(arg, "--short=", 9)) {
+ filter &= ~(DO_FLAGS|DO_NOREV);
+ verify = 1;
+ abbrev = DEFAULT_ABBREV;
+ if (arg[8] == '=')
+ abbrev = strtoul(arg + 9, NULL, 10);
+ if (abbrev < MINIMUM_ABBREV)
+ abbrev = MINIMUM_ABBREV;
+ else if (40 <= abbrev)
+ abbrev = 40;
+ continue;
+ }
if (!strcmp(arg, "--sq")) {
output_sq = 1;
continue;
puts(prefix);
continue;
}
+ if (!strcmp(arg, "--show-cdup")) {
+ const char *pfx = prefix;
+ while (pfx) {
+ pfx = strchr(pfx, '/');
+ if (pfx) {
+ pfx++;
+ printf("../");
+ }
+ }
+ putchar('\n');
+ continue;
+ }
if (!strcmp(arg, "--git-dir")) {
const char *gitdir = getenv(GIT_DIR_ENVIRONMENT);
static char cwd[PATH_MAX];
show_datestring("--min-age=", arg+8);
continue;
}
- if (verify)
+ if (show_flag(arg) && verify)
die("Needed a single revision");
- show_flag(arg);
continue;
}
show_rev(REVERSED, sha1, arg+1);
continue;
}
+ as_is = 1;
+ if (!show_file(arg))
+ continue;
if (verify)
die("Needed a single revision");
- as_is = 1;
- show_file(arg);
+ if (lstat(arg, &st) < 0)
+ die("'%s': %s", arg, strerror(errno));
}
show_default();
if (verify && revs_count != 1)