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Add test-chmtime: a utility to change mtime on files
This is intended to be a portable replacement for our usage of date(1), touch(1), and Perl one-liners in tests. Usage: test-chtime (+|=|-|=+|=-)<seconds> <file>..." '+' increments the mtime on the files by <seconds> '-' decrements the mtime on the files by <seconds> '=' sets the mtime on the file to exactly <seconds> '=+' and '=-' sets the mtime on the file to <seconds> after or before the current time. Signed-off-by: Eric Wong <normalperson@yhbt.net> Signed-off-by: Junio C Hamano <junkio@cox.net>
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Eric Wong
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Junio C Hamano
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Feb 25, 2007
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#include "git-compat-util.h" | ||
#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[]) | ||
{ | ||
int i; | ||
int set_eq; | ||
long int set_time; | ||
char *test; | ||
const char *timespec; | ||
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if (argc < 3) | ||
goto usage; | ||
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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; | ||
} | ||
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for (i = 2; i < argc; i++) { | ||
struct stat sb; | ||
struct utimbuf utb; | ||
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if (stat(argv[i], &sb) < 0) { | ||
fprintf(stderr, "Failed to stat %s: %s\n", | ||
argv[i], strerror(errno)); | ||
return -1; | ||
} | ||
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utb.actime = sb.st_atime; | ||
utb.modtime = set_eq ? set_time : sb.st_mtime + set_time; | ||
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if (utime(argv[i], &utb) < 0) { | ||
fprintf(stderr, "Failed to modify time on %s: %s\n", | ||
argv[i], strerror(errno)); | ||
return -1; | ||
} | ||
} | ||
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return 0; | ||
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usage: | ||
fprintf(stderr, "Usage: %s %s\n", argv[0], usage_str); | ||
return -1; | ||
} |