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Diffstat (limited to 'apply.c')
-rw-r--r--apply.c233
1 files changed, 104 insertions, 129 deletions
diff --git a/apply.c b/apply.c
index c022af53a2..134dc7ba78 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)
@@ -974,7 +950,7 @@ static int gitdiff_verify_name(struct apply_state *state,
}
free(another);
} else {
- if (!starts_with(line, "/dev/null\n"))
+ if (!is_dev_null(line))
return error(_("git apply: bad git-diff - expected /dev/null on line %d"), state->linenr);
}
@@ -2287,8 +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)
@@ -2305,7 +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;
@@ -2325,7 +2301,7 @@ static void update_pre_post_images(struct image *preimage,
size_t len, size_t postlen)
{
int i, ctx, reduced;
- char *new, *old, *fixed;
+ char *new_buf, *old_buf, *fixed;
struct image fixed_preimage;
/*
@@ -2351,25 +2327,25 @@ static void update_pre_post_images(struct image *preimage,
* We trust the caller to tell us if the update can be done
* in place (postlen==0) or not.
*/
- old = postimage->buf;
+ old_buf = postimage->buf;
if (postlen)
- new = postimage->buf = xmalloc(postlen);
+ new_buf = postimage->buf = xmalloc(postlen);
else
- new = old;
+ new_buf = old_buf;
fixed = preimage->buf;
for (i = reduced = ctx = 0; i < postimage->nr; i++) {
size_t l_len = postimage->line[i].len;
if (!(postimage->line[i].flag & LINE_COMMON)) {
/* an added line -- no counterparts in preimage */
- memmove(new, old, l_len);
- old += l_len;
- new += l_len;
+ memmove(new_buf, old_buf, l_len);
+ old_buf += l_len;
+ new_buf += l_len;
continue;
}
/* a common context -- skip it in the original postimage */
- old += l_len;
+ old_buf += l_len;
/* and find the corresponding one in the fixed preimage */
while (ctx < preimage->nr &&
@@ -2389,29 +2365,29 @@ static void update_pre_post_images(struct image *preimage,
/* and copy it in, while fixing the line length */
l_len = preimage->line[ctx].len;
- memcpy(new, fixed, l_len);
- new += l_len;
+ memcpy(new_buf, fixed, l_len);
+ new_buf += l_len;
fixed += l_len;
postimage->line[i].len = l_len;
ctx++;
}
if (postlen
- ? postlen < new - postimage->buf
- : postimage->len < new - postimage->buf)
+ ? postlen < new_buf - postimage->buf
+ : postimage->len < new_buf - postimage->buf)
die("BUG: caller miscounted postlen: asked %d, orig = %d, used = %d",
- (int)postlen, (int) postimage->len, (int)(new - postimage->buf));
+ (int)postlen, (int) postimage->len, (int)(new_buf - postimage->buf));
/* Fix the length of the whole thing */
- postimage->len = new - postimage->buf;
+ postimage->len = new_buf - postimage->buf;
postimage->nr -= reduced;
}
static int line_by_line_fuzzy_match(struct image *img,
struct image *preimage,
struct image *postimage,
- unsigned long try,
- int try_lno,
+ unsigned long current,
+ int current_lno,
int preimage_limit)
{
int i;
@@ -2428,9 +2404,9 @@ static int line_by_line_fuzzy_match(struct image *img,
for (i = 0; i < preimage_limit; i++) {
size_t prelen = preimage->line[i].len;
- size_t imglen = img->line[try_lno+i].len;
+ size_t imglen = img->line[current_lno+i].len;
- if (!fuzzy_matchlines(img->buf + try + imgoff, imglen,
+ if (!fuzzy_matchlines(img->buf + current + imgoff, imglen,
preimage->buf + preoff, prelen))
return 0;
if (preimage->line[i].flag & LINE_COMMON)
@@ -2467,7 +2443,7 @@ static int line_by_line_fuzzy_match(struct image *img,
*/
extra_chars = preimage_end - preimage_eof;
strbuf_init(&fixed, imgoff + extra_chars);
- strbuf_add(&fixed, img->buf + try, imgoff);
+ strbuf_add(&fixed, img->buf + current, imgoff);
strbuf_add(&fixed, preimage_eof, extra_chars);
fixed_buf = strbuf_detach(&fixed, &fixed_len);
update_pre_post_images(preimage, postimage,
@@ -2479,8 +2455,8 @@ static int match_fragment(struct apply_state *state,
struct image *img,
struct image *preimage,
struct image *postimage,
- unsigned long try,
- int try_lno,
+ unsigned long current,
+ int current_lno,
unsigned ws_rule,
int match_beginning, int match_end)
{
@@ -2490,12 +2466,12 @@ static int match_fragment(struct apply_state *state,
size_t fixed_len, postlen;
int preimage_limit;
- if (preimage->nr + try_lno <= img->nr) {
+ if (preimage->nr + current_lno <= img->nr) {
/*
* The hunk falls within the boundaries of img.
*/
preimage_limit = preimage->nr;
- if (match_end && (preimage->nr + try_lno != img->nr))
+ if (match_end && (preimage->nr + current_lno != img->nr))
return 0;
} else if (state->ws_error_action == correct_ws_error &&
(ws_rule & WS_BLANK_AT_EOF)) {
@@ -2506,7 +2482,7 @@ static int match_fragment(struct apply_state *state,
* match with img, and the remainder of the preimage
* must be blank.
*/
- preimage_limit = img->nr - try_lno;
+ preimage_limit = img->nr - current_lno;
} else {
/*
* The hunk extends beyond the end of the img and
@@ -2516,27 +2492,27 @@ static int match_fragment(struct apply_state *state,
return 0;
}
- if (match_beginning && try_lno)
+ if (match_beginning && current_lno)
return 0;
/* Quick hash check */
for (i = 0; i < preimage_limit; i++)
- if ((img->line[try_lno + i].flag & LINE_PATCHED) ||
- (preimage->line[i].hash != img->line[try_lno + i].hash))
+ if ((img->line[current_lno + i].flag & LINE_PATCHED) ||
+ (preimage->line[i].hash != img->line[current_lno + i].hash))
return 0;
if (preimage_limit == preimage->nr) {
/*
* Do we have an exact match? If we were told to match
- * at the end, size must be exactly at try+fragsize,
- * otherwise try+fragsize must be still within the preimage,
+ * at the end, size must be exactly at current+fragsize,
+ * otherwise current+fragsize must be still within the preimage,
* and either case, the old piece should match the preimage
* exactly.
*/
if ((match_end
- ? (try + preimage->len == img->len)
- : (try + preimage->len <= img->len)) &&
- !memcmp(img->buf + try, preimage->buf, preimage->len))
+ ? (current + preimage->len == img->len)
+ : (current + preimage->len <= img->len)) &&
+ !memcmp(img->buf + current, preimage->buf, preimage->len))
return 1;
} else {
/*
@@ -2567,7 +2543,7 @@ static int match_fragment(struct apply_state *state,
*/
if (state->ws_ignore_action == ignore_ws_change)
return line_by_line_fuzzy_match(img, preimage, postimage,
- try, try_lno, preimage_limit);
+ current, current_lno, preimage_limit);
if (state->ws_error_action != correct_ws_error)
return 0;
@@ -2601,10 +2577,10 @@ static int match_fragment(struct apply_state *state,
*/
strbuf_init(&fixed, preimage->len + 1);
orig = preimage->buf;
- target = img->buf + try;
+ target = img->buf + current;
for (i = 0; i < preimage_limit; i++) {
size_t oldlen = preimage->line[i].len;
- size_t tgtlen = img->line[try_lno + i].len;
+ size_t tgtlen = img->line[current_lno + i].len;
size_t fixstart = fixed.len;
struct strbuf tgtfix;
int match;
@@ -2690,8 +2666,8 @@ static int find_pos(struct apply_state *state,
int match_beginning, int match_end)
{
int i;
- unsigned long backwards, forwards, try;
- int backwards_lno, forwards_lno, try_lno;
+ unsigned long backwards, forwards, current;
+ int backwards_lno, forwards_lno, current_lno;
/*
* If match_beginning or match_end is specified, there is no
@@ -2711,25 +2687,25 @@ static int find_pos(struct apply_state *state,
if ((size_t) line > img->nr)
line = img->nr;
- try = 0;
+ current = 0;
for (i = 0; i < line; i++)
- try += img->line[i].len;
+ current += img->line[i].len;
/*
* There's probably some smart way to do this, but I'll leave
* that to the smart and beautiful people. I'm simple and stupid.
*/
- backwards = try;
+ backwards = current;
backwards_lno = line;
- forwards = try;
+ forwards = current;
forwards_lno = line;
- try_lno = line;
+ current_lno = line;
for (i = 0; ; i++) {
if (match_fragment(state, img, preimage, postimage,
- try, try_lno, ws_rule,
+ current, current_lno, ws_rule,
match_beginning, match_end))
- return try_lno;
+ return current_lno;
again:
if (backwards_lno == 0 && forwards_lno == img->nr)
@@ -2742,8 +2718,8 @@ static int find_pos(struct apply_state *state,
}
backwards_lno--;
backwards -= img->line[backwards_lno].len;
- try = backwards;
- try_lno = backwards_lno;
+ current = backwards;
+ current_lno = backwards_lno;
} else {
if (forwards_lno == img->nr) {
i++;
@@ -2751,8 +2727,8 @@ static int find_pos(struct apply_state *state,
}
forwards += img->line[forwards_lno].len;
forwards_lno++;
- try = forwards;
- try_lno = forwards_lno;
+ current = forwards;
+ current_lno = forwards_lno;
}
}
@@ -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;
@@ -3176,7 +3154,7 @@ static int apply_binary(struct apply_state *state,
* See if the old one matches what the patch
* applies to.
*/
- hash_sha1_file(img->buf, img->len, blob_type, oid.hash);
+ hash_object_file(img->buf, img->len, blob_type, &oid);
if (strcmp(oid_to_hex(&oid), patch->old_sha1_prefix))
return error(_("the patch applies to '%s' (%s), "
"which does not match the "
@@ -3221,7 +3199,7 @@ static int apply_binary(struct apply_state *state,
name);
/* verify that the result matches */
- hash_sha1_file(img->buf, img->len, blob_type, oid.hash);
+ hash_object_file(img->buf, img->len, blob_type, &oid);
if (strcmp(oid_to_hex(&oid), patch->new_sha1_prefix))
return error(_("binary patch to '%s' creates incorrect result (expecting %s, got %s)"),
name, patch->new_sha1_prefix, oid_to_hex(&oid));
@@ -3576,7 +3554,7 @@ 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);
+ write_object_file("", 0, blob_type, &pre_oid);
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."));
@@ -3592,7 +3570,7 @@ static int try_threeway(struct apply_state *state,
return -1;
}
/* post_oid is theirs */
- write_sha1_file(tmp_image.buf, tmp_image.len, blob_type, post_oid.hash);
+ write_object_file(tmp_image.buf, tmp_image.len, blob_type, &post_oid);
clear_image(&tmp_image);
/* our_oid is ours */
@@ -3605,7 +3583,7 @@ static int try_threeway(struct apply_state *state,
return error(_("cannot read the current contents of '%s'"),
patch->old_name);
}
- write_sha1_file(tmp_image.buf, tmp_image.len, blob_type, our_oid.hash);
+ write_object_file(tmp_image.buf, tmp_image.len, blob_type, &our_oid);
clear_image(&tmp_image);
/* in-core three-way merge between post and our using pre as base */
@@ -4185,30 +4163,30 @@ static void show_mode_change(struct patch *p, int show_name)
static void show_rename_copy(struct patch *p)
{
const char *renamecopy = p->is_rename ? "rename" : "copy";
- const char *old, *new;
+ const char *old_name, *new_name;
/* Find common prefix */
- old = p->old_name;
- new = p->new_name;
+ old_name = p->old_name;
+ new_name = p->new_name;
while (1) {
const char *slash_old, *slash_new;
- slash_old = strchr(old, '/');
- slash_new = strchr(new, '/');
+ slash_old = strchr(old_name, '/');
+ slash_new = strchr(new_name, '/');
if (!slash_old ||
!slash_new ||
- slash_old - old != slash_new - new ||
- memcmp(old, new, slash_new - new))
+ slash_old - old_name != slash_new - new_name ||
+ memcmp(old_name, new_name, slash_new - new_name))
break;
- old = slash_old + 1;
- new = slash_new + 1;
+ old_name = slash_old + 1;
+ new_name = slash_new + 1;
}
- /* p->old_name thru old is the common prefix, and old and new
+ /* p->old_name thru old_name is the common prefix, and old_name and new_name
* through the end of names are renames
*/
- if (old != p->old_name)
+ if (old_name != p->old_name)
printf(" %s %.*s{%s => %s} (%d%%)\n", renamecopy,
- (int)(old - p->old_name), p->old_name,
- old, new, p->score);
+ (int)(old_name - p->old_name), p->old_name,
+ old_name, new_name, p->score);
else
printf(" %s %s => %s (%d%%)\n", renamecopy,
p->old_name, p->new_name, p->score);
@@ -4313,7 +4291,7 @@ static int add_index_file(struct apply_state *state,
}
fill_stat_cache_info(ce, &st);
}
- if (write_sha1_file(buf, size, blob_type, ce->oid.hash) < 0) {
+ if (write_object_file(buf, size, blob_type, &ce->oid) < 0) {
free(ce);
return error(_("unable to create backing store "
"for newly created file %s"), path);
@@ -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);
@@ -4969,8 +4943,9 @@ int apply_parse_options(int argc, const char **argv,
N_("make sure the patch is applicable to the current index")),
OPT_BOOL(0, "cached", &state->cached,
N_("apply a patch without touching the working tree")),
- OPT_BOOL(0, "unsafe-paths", &state->unsafe_paths,
- N_("accept a patch that touches outside the working area")),
+ OPT_BOOL_F(0, "unsafe-paths", &state->unsafe_paths,
+ N_("accept a patch that touches outside the working area"),
+ PARSE_OPT_NOCOMPLETE),
OPT_BOOL(0, "apply", force_apply,
N_("also apply the patch (use with --stat/--summary/--check)")),
OPT_BOOL('3', "3way", &state->threeway,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 08:43:49 +0000