branch: add a --copy (-c) option to go with --move (-m)

diff --git a/archive-zip.c b/archive-zip.c
index e81c5ac15a05d7d333005ff85fca767740693fc7..27563e9e2602108997033e6fa79c660bc08aa863 100644 (file)
--- a/archive-zip.c
+++ b/archive-zip.c
@@ -593,9 +593,17 @@ static void write_zip_trailer(const unsigned char *sha1)
                write_or_die(1, sha1_to_hex(sha1), GIT_SHA1_HEXSZ);
 }
 
-static void dos_time(time_t *time, int *dos_date, int *dos_time)
+static void dos_time(timestamp_t *timestamp, int *dos_date, int *dos_time)
 {
-       struct tm *t = localtime(time);
+       time_t time;
+       struct tm *t;
+
+       if (date_overflows(*timestamp))
+               die("timestamp too large for this system: %"PRItime,
+                   *timestamp);
+       time = (time_t)*timestamp;
+       t = localtime(&time);
+       *timestamp = time;
 
        *dos_date = t->tm_mday + (t->tm_mon + 1) * 32 +
                    (t->tm_year + 1900 - 1980) * 512;