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