static void read_patch_file(struct strbuf *sb, int fd)
{
if (strbuf_read(sb, fd, 0) < 0)
- die("git apply: read returned %s", strerror(errno));
+ die_errno("git apply: failed to read");
/*
* Make sure that we have some slop in the buffer
return val;
}
+/*
+ * Does the ---/+++ line has the POSIX timestamp after the last HT?
+ * GNU diff puts epoch there to signal a creation/deletion event. Is
+ * this such a timestamp?
+ */
+static int has_epoch_timestamp(const char *nameline)
+{
+ /*
+ * We are only interested in epoch timestamp; any non-zero
+ * fraction cannot be one, hence "(\.0+)?" in the regexp below.
+ * For the same reason, the date must be either 1969-12-31 or
+ * 1970-01-01, and the seconds part must be "00".
+ */
+ const char stamp_regexp[] =
+ "^(1969-12-31|1970-01-01)"
+ " "
+ "[0-2][0-9]:[0-5][0-9]:00(\\.0+)?"
+ " "
+ "([-+][0-2][0-9][0-5][0-9])\n";
+ const char *timestamp = NULL, *cp;
+ static regex_t *stamp;
+ regmatch_t m[10];
+ int zoneoffset;
+ int hourminute;
+ int status;
+
+ for (cp = nameline; *cp != '\n'; cp++) {
+ if (*cp == '\t')
+ timestamp = cp + 1;
+ }
+ if (!timestamp)
+ return 0;
+ if (!stamp) {
+ stamp = xmalloc(sizeof(*stamp));
+ if (regcomp(stamp, stamp_regexp, REG_EXTENDED)) {
+ warning("Cannot prepare timestamp regexp %s",
+ stamp_regexp);
+ return 0;
+ }
+ }
+
+ status = regexec(stamp, timestamp, ARRAY_SIZE(m), m, 0);
+ if (status) {
+ if (status != REG_NOMATCH)
+ warning("regexec returned %d for input: %s",
+ status, timestamp);
+ return 0;
+ }
+
+ zoneoffset = strtol(timestamp + m[3].rm_so + 1, NULL, 10);
+ zoneoffset = (zoneoffset / 100) * 60 + (zoneoffset % 100);
+ if (timestamp[m[3].rm_so] == '-')
+ zoneoffset = -zoneoffset;
+
+ /*
+ * YYYY-MM-DD hh:mm:ss must be from either 1969-12-31
+ * (west of GMT) or 1970-01-01 (east of GMT)
+ */
+ if ((zoneoffset < 0 && memcmp(timestamp, "1969-12-31", 10)) ||
+ (0 <= zoneoffset && memcmp(timestamp, "1970-01-01", 10)))
+ return 0;
+
+ hourminute = (strtol(timestamp + 11, NULL, 10) * 60 +
+ strtol(timestamp + 14, NULL, 10) -
+ zoneoffset);
+
+ return ((zoneoffset < 0 && hourminute == 1440) ||
+ (0 <= zoneoffset && !hourminute));
+}
+
/*
* Get the name etc info from the ---/+++ lines of a traditional patch header
*
} else {
name = find_name(first, NULL, p_value, TERM_SPACE | TERM_TAB);
name = find_name(second, name, p_value, TERM_SPACE | TERM_TAB);
- patch->old_name = patch->new_name = name;
+ if (has_epoch_timestamp(first)) {
+ patch->is_new = 1;
+ patch->is_delete = 0;
+ patch->new_name = name;
+ } else if (has_epoch_timestamp(second)) {
+ patch->is_new = 0;
+ patch->is_delete = 1;
+ patch->old_name = name;
+ } else {
+ patch->old_name = patch->new_name = name;
+ }
}
if (!name)
die("unable to find filename in patch at line %d", linenr);
static void build_fake_ancestor(struct patch *list, const char *filename)
{
struct patch *patch;
- struct index_state result = { 0 };
+ struct index_state result = { NULL };
int fd;
/* Once we start supporting the reverse patch, it may be
} else {
if (!cached) {
if (lstat(path, &st) < 0)
- die("unable to stat newly created file %s",
- path);
+ die_errno("unable to stat newly created file '%s'",
+ path);
fill_stat_cache_info(ce, &st);
}
if (write_sha1_file(buf, size, blob_type, ce->sha1) < 0)
strbuf_release(&nbuf);
if (close(fd) < 0)
- die("closing file %s: %s", path, strerror(errno));
+ die_errno("closing file '%s'", path);
return 0;
}
++nr;
}
}
- die("unable to write file %s mode %o", path, mode);
+ die_errno("unable to write file '%s' mode %o", path, mode);
}
static void create_file(struct patch *patch)
fd = open(arg, O_RDONLY);
if (fd < 0)
- die("can't open patch '%s': %s", arg, strerror(errno));
+ die_errno("can't open patch '%s'", arg);
read_stdin = 0;
set_default_whitespace_mode(whitespace_option);
errs |= apply_patch(fd, arg, options);