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#include "git-compat-util.h"
#include <utime.h>
static const char usage_str[] = "(+|=|=+|=-|-)<seconds> <file>...";
int main(int argc, const char *argv[])
{
int i;
int set_eq;
long int set_time;
char *test;
const char *timespec;
if (argc < 3)
goto usage;
timespec = argv[1];
set_eq = (*timespec == '=') ? 1 : 0;
if (set_eq) {
timespec++;
if (*timespec == '+') {
set_eq = 2; /* relative "in the future" */
timespec++;
}
}
set_time = strtol(timespec, &test, 10);
if (*test) {
fprintf(stderr, "Not a base-10 integer: %s\n", argv[1] + 1);
goto usage;
}
if ((set_eq && set_time < 0) || set_eq == 2) {
time_t now = time(NULL);
set_time += now;
}
for (i = 2; i < argc; i++) {
struct stat sb;
struct utimbuf utb;
if (stat(argv[i], &sb) < 0) {
fprintf(stderr, "Failed to stat %s: %s\n",
argv[i], strerror(errno));
return -1;
}
utb.actime = sb.st_atime;
utb.modtime = set_eq ? set_time : sb.st_mtime + set_time;
if (utime(argv[i], &utb) < 0) {
fprintf(stderr, "Failed to modify time on %s: %s\n",
argv[i], strerror(errno));
return -1;
}
}
return 0;
usage:
fprintf(stderr, "Usage: %s %s\n", argv[0], usage_str);
return -1;
}
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