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Diffstat (limited to 'apply.c')
-rw-r--r--apply.c136
1 files changed, 55 insertions, 81 deletions
diff --git a/apply.c b/apply.c
index 0c7b25989c..f8b67bfee2 100644
--- a/apply.c
+++ b/apply.c
@@ -75,13 +75,10 @@ static int parse_ignorewhitespace_option(struct apply_state *state,
}
int init_apply_state(struct apply_state *state,
- const char *prefix,
- struct lock_file *lock_file)
+ const char *prefix)
{
memset(state, 0, sizeof(*state));
state->prefix = prefix;
- state->lock_file = lock_file;
- state->newfd = -1;
state->apply = 1;
state->line_termination = '\n';
state->p_value = 1;
@@ -146,8 +143,6 @@ int check_apply_state(struct apply_state *state, int force_apply)
}
if (state->check_index)
state->unsafe_paths = 0;
- if (!state->lock_file)
- return error("BUG: state->lock_file should not be NULL");
if (state->apply_verbosity <= verbosity_silent) {
state->saved_error_routine = get_error_routine();
@@ -305,52 +300,33 @@ static uint32_t hash_line(const char *cp, size_t len)
static int fuzzy_matchlines(const char *s1, size_t n1,
const char *s2, size_t n2)
{
- const char *last1 = s1 + n1 - 1;
- const char *last2 = s2 + n2 - 1;
- int result = 0;
+ const char *end1 = s1 + n1;
+ const char *end2 = s2 + n2;
/* ignore line endings */
- while ((*last1 == '\r') || (*last1 == '\n'))
- last1--;
- while ((*last2 == '\r') || (*last2 == '\n'))
- last2--;
-
- /* skip leading whitespaces, if both begin with whitespace */
- if (s1 <= last1 && s2 <= last2 && isspace(*s1) && isspace(*s2)) {
- while (isspace(*s1) && (s1 <= last1))
- s1++;
- while (isspace(*s2) && (s2 <= last2))
- s2++;
- }
- /* early return if both lines are empty */
- if ((s1 > last1) && (s2 > last2))
- return 1;
- while (!result) {
- result = *s1++ - *s2++;
- /*
- * Skip whitespace inside. We check for whitespace on
- * both buffers because we don't want "a b" to match
- * "ab"
- */
- if (isspace(*s1) && isspace(*s2)) {
- while (isspace(*s1) && s1 <= last1)
+ while (s1 < end1 && (end1[-1] == '\r' || end1[-1] == '\n'))
+ end1--;
+ while (s2 < end2 && (end2[-1] == '\r' || end2[-1] == '\n'))
+ end2--;
+
+ while (s1 < end1 && s2 < end2) {
+ if (isspace(*s1)) {
+ /*
+ * Skip whitespace. We check on both buffers
+ * because we don't want "a b" to match "ab".
+ */
+ if (!isspace(*s2))
+ return 0;
+ while (s1 < end1 && isspace(*s1))
s1++;
- while (isspace(*s2) && s2 <= last2)
+ while (s2 < end2 && isspace(*s2))
s2++;
- }
- /*
- * If we reached the end on one side only,
- * lines don't match
- */
- if (
- ((s2 > last2) && (s1 <= last1)) ||
- ((s1 > last1) && (s2 <= last2)))
+ } else if (*s1++ != *s2++)
return 0;
- if ((s1 > last1) && (s2 > last2))
- break;
}
- return !result;
+ /* If we reached the end on one side only, lines don't match. */
+ return s1 == end1 && s2 == end2;
}
static void add_line_info(struct image *img, const char *bol, size_t len, unsigned flag)
@@ -812,16 +788,13 @@ static int has_epoch_timestamp(const char *nameline)
* 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]):00(\\.0+)?"
" "
"([-+][0-2][0-9]:?[0-5][0-9])\n";
const char *timestamp = NULL, *cp, *colon;
static regex_t *stamp;
regmatch_t m[10];
- int zoneoffset;
- int hourminute;
+ int zoneoffset, epoch_hour, hour, minute;
int status;
for (cp = nameline; *cp != '\n'; cp++) {
@@ -830,6 +803,18 @@ static int has_epoch_timestamp(const char *nameline)
}
if (!timestamp)
return 0;
+
+ /*
+ * YYYY-MM-DD hh:mm:ss must be from either 1969-12-31
+ * (west of GMT) or 1970-01-01 (east of GMT)
+ */
+ if (skip_prefix(timestamp, "1969-12-31 ", &timestamp))
+ epoch_hour = 24;
+ else if (skip_prefix(timestamp, "1970-01-01 ", &timestamp))
+ epoch_hour = 0;
+ else
+ return 0;
+
if (!stamp) {
stamp = xmalloc(sizeof(*stamp));
if (regcomp(stamp, stamp_regexp, REG_EXTENDED)) {
@@ -847,6 +832,9 @@ static int has_epoch_timestamp(const char *nameline)
return 0;
}
+ hour = strtol(timestamp, NULL, 10);
+ minute = strtol(timestamp + m[1].rm_so, NULL, 10);
+
zoneoffset = strtol(timestamp + m[3].rm_so + 1, (char **) &colon, 10);
if (*colon == ':')
zoneoffset = zoneoffset * 60 + strtol(colon + 1, NULL, 10);
@@ -855,20 +843,7 @@ static int has_epoch_timestamp(const char *nameline)
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));
+ return hour * 60 + minute - zoneoffset == epoch_hour * 60;
}
/*
@@ -2288,8 +2263,8 @@ static void show_stats(struct apply_state *state, struct patch *patch)
static int read_old_data(struct stat *st, struct patch *patch,
const char *path, struct strbuf *buf)
{
- enum safe_crlf safe_crlf = patch->crlf_in_old ?
- SAFE_CRLF_KEEP_CRLF : SAFE_CRLF_RENORMALIZE;
+ int conv_flags = patch->crlf_in_old ?
+ CONV_EOL_KEEP_CRLF : CONV_EOL_RENORMALIZE;
switch (st->st_mode & S_IFMT) {
case S_IFLNK:
if (strbuf_readlink(buf, path, st->st_size) < 0)
@@ -2306,7 +2281,7 @@ static int read_old_data(struct stat *st, struct patch *patch,
* should never look at the index when explicit crlf option
* is given.
*/
- convert_to_git(NULL, path, buf->buf, buf->len, buf, safe_crlf);
+ convert_to_git(NULL, path, buf->buf, buf->len, buf, conv_flags);
return 0;
default:
return -1;
@@ -2921,6 +2896,7 @@ static int apply_one_fragment(struct apply_state *state,
if (plen && (ws_rule & WS_BLANK_AT_EOF) &&
ws_blank_line(patch + 1, plen, ws_rule))
is_blank_context = 1;
+ /* fallthrough */
case '-':
memcpy(old, patch + 1, plen);
add_line_info(&preimage, old, plen,
@@ -2928,7 +2904,7 @@ static int apply_one_fragment(struct apply_state *state,
old += plen;
if (first == '-')
break;
- /* Fall-through for ' ' */
+ /* fallthrough */
case '+':
/* --no-add does not add new lines */
if (first == '+' && state->no_add)
@@ -2977,6 +2953,8 @@ static int apply_one_fragment(struct apply_state *state,
newlines.len > 0 && newlines.buf[newlines.len - 1] == '\n') {
old--;
strbuf_setlen(&newlines, newlines.len - 1);
+ preimage.line_allocated[preimage.nr - 1].len--;
+ postimage.line_allocated[postimage.nr - 1].len--;
}
leading = frag->leading;
@@ -3577,7 +3555,7 @@ static int try_threeway(struct apply_state *state,
/* Preimage the patch was prepared for */
if (patch->is_new)
write_sha1_file("", 0, blob_type, pre_oid.hash);
- else if (get_sha1(patch->old_sha1_prefix, pre_oid.hash) ||
+ else if (get_oid(patch->old_sha1_prefix, &pre_oid) ||
read_blob_object(&buf, &pre_oid, patch->old_mode))
return error(_("repository lacks the necessary blob to fall back on 3-way merge."));
@@ -4101,7 +4079,7 @@ static int build_fake_ancestor(struct apply_state *state, struct patch *list)
else
return error(_("sha1 information is lacking or "
"useless for submodule %s"), name);
- } else if (!get_sha1_blob(patch->old_sha1_prefix, oid.hash)) {
+ } else if (!get_oid_blob(patch->old_sha1_prefix, &oid)) {
; /* ok */
} else if (!patch->lines_added && !patch->lines_deleted) {
/* mode-only change: update the current */
@@ -4709,13 +4687,13 @@ static int apply_patch(struct apply_state *state,
state->apply = 0;
state->update_index = state->check_index && state->apply;
- if (state->update_index && state->newfd < 0) {
+ if (state->update_index && !is_lock_file_locked(&state->lock_file)) {
if (state->index_file)
- state->newfd = hold_lock_file_for_update(state->lock_file,
- state->index_file,
- LOCK_DIE_ON_ERROR);
+ hold_lock_file_for_update(&state->lock_file,
+ state->index_file,
+ LOCK_DIE_ON_ERROR);
else
- state->newfd = hold_locked_index(state->lock_file, LOCK_DIE_ON_ERROR);
+ hold_locked_index(&state->lock_file, LOCK_DIE_ON_ERROR);
}
if (state->check_index && read_apply_cache(state) < 0) {
@@ -4911,22 +4889,18 @@ int apply_all_patches(struct apply_state *state,
}
if (state->update_index) {
- res = write_locked_index(&the_index, state->lock_file, COMMIT_LOCK);
+ res = write_locked_index(&the_index, &state->lock_file, COMMIT_LOCK);
if (res) {
error(_("Unable to write new index file"));
res = -128;
goto end;
}
- state->newfd = -1;
}
res = !!errs;
end:
- if (state->newfd >= 0) {
- rollback_lock_file(state->lock_file);
- state->newfd = -1;
- }
+ rollback_lock_file(&state->lock_file);
if (state->apply_verbosity <= verbosity_silent) {
set_error_routine(state->saved_error_routine);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-30 15:01:19 +0300