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-rw-r--r--builtin/apply.c1017
1 files changed, 732 insertions, 285 deletions
diff --git a/builtin/apply.c b/builtin/apply.c
index 389898f133..3bf71dc452 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -16,6 +16,9 @@
#include "dir.h"
#include "diff.h"
#include "parse-options.h"
+#include "xdiff-interface.h"
+#include "ll-merge.h"
+#include "rerere.h"
/*
* --check turns on checking that the working tree matches the
@@ -46,11 +49,12 @@ static int apply_with_reject;
static int apply_verbosely;
static int allow_overlap;
static int no_add;
+static int threeway;
static const char *fake_ancestor;
static int line_termination = '\n';
static unsigned int p_context = UINT_MAX;
static const char * const apply_usage[] = {
- "git apply [options] [<patch>...]",
+ N_("git apply [options] [<patch>...]"),
NULL
};
@@ -103,7 +107,7 @@ static void parse_whitespace_option(const char *option)
ws_error_action = correct_ws_error;
return;
}
- die("unrecognized whitespace option '%s'", option);
+ die(_("unrecognized whitespace option '%s'"), option);
}
static void parse_ignorewhitespace_option(const char *option)
@@ -118,7 +122,7 @@ static void parse_ignorewhitespace_option(const char *option)
ws_ignore_action = ignore_ws_change;
return;
}
- die("unrecognized whitespace ignore option '%s'", option);
+ die(_("unrecognized whitespace ignore option '%s'"), option);
}
static void set_default_whitespace_mode(const char *whitespace_option)
@@ -152,9 +156,14 @@ struct fragment {
unsigned long leading, trailing;
unsigned long oldpos, oldlines;
unsigned long newpos, newlines;
+ /*
+ * 'patch' is usually borrowed from buf in apply_patch(),
+ * but some codepaths store an allocated buffer.
+ */
const char *patch;
+ unsigned free_patch:1,
+ rejected:1;
int size;
- int rejected;
int linenr;
struct fragment *next;
};
@@ -179,7 +188,6 @@ struct patch {
int is_new, is_delete; /* -1 = unknown, 0 = false, 1 = true */
int rejected;
unsigned ws_rule;
- unsigned long deflate_origlen;
int lines_added, lines_deleted;
int score;
unsigned int is_toplevel_relative:1;
@@ -188,14 +196,49 @@ struct patch {
unsigned int is_copy:1;
unsigned int is_rename:1;
unsigned int recount:1;
+ unsigned int conflicted_threeway:1;
+ unsigned int direct_to_threeway:1;
struct fragment *fragments;
char *result;
size_t resultsize;
char old_sha1_prefix[41];
char new_sha1_prefix[41];
struct patch *next;
+
+ /* three-way fallback result */
+ unsigned char threeway_stage[3][20];
};
+static void free_fragment_list(struct fragment *list)
+{
+ while (list) {
+ struct fragment *next = list->next;
+ if (list->free_patch)
+ free((char *)list->patch);
+ free(list);
+ list = next;
+ }
+}
+
+static void free_patch(struct patch *patch)
+{
+ free_fragment_list(patch->fragments);
+ free(patch->def_name);
+ free(patch->old_name);
+ free(patch->new_name);
+ free(patch->result);
+ free(patch);
+}
+
+static void free_patch_list(struct patch *list)
+{
+ while (list) {
+ struct patch *next = list->next;
+ free_patch(list);
+ list = next;
+ }
+}
+
/*
* A line in a file, len-bytes long (includes the terminating LF,
* except for an incomplete line at the end if the file ends with
@@ -302,6 +345,11 @@ static void add_line_info(struct image *img, const char *bol, size_t len, unsign
img->nr++;
}
+/*
+ * "buf" has the file contents to be patched (read from various sources).
+ * attach it to "image" and add line-based index to it.
+ * "image" now owns the "buf".
+ */
static void prepare_image(struct image *image, char *buf, size_t len,
int prepare_linetable)
{
@@ -331,29 +379,31 @@ static void prepare_image(struct image *image, char *buf, size_t len,
static void clear_image(struct image *image)
{
free(image->buf);
- image->buf = NULL;
- image->len = 0;
+ free(image->line_allocated);
+ memset(image, 0, sizeof(*image));
}
-static void say_patch_name(FILE *output, const char *pre,
- struct patch *patch, const char *post)
+/* fmt must contain _one_ %s and no other substitution */
+static void say_patch_name(FILE *output, const char *fmt, struct patch *patch)
{
- fputs(pre, output);
+ struct strbuf sb = STRBUF_INIT;
+
if (patch->old_name && patch->new_name &&
strcmp(patch->old_name, patch->new_name)) {
- quote_c_style(patch->old_name, NULL, output, 0);
- fputs(" => ", output);
- quote_c_style(patch->new_name, NULL, output, 0);
+ quote_c_style(patch->old_name, &sb, NULL, 0);
+ strbuf_addstr(&sb, " => ");
+ quote_c_style(patch->new_name, &sb, NULL, 0);
} else {
const char *n = patch->new_name;
if (!n)
n = patch->old_name;
- quote_c_style(n, NULL, output, 0);
+ quote_c_style(n, &sb, NULL, 0);
}
- fputs(post, output);
+ fprintf(output, fmt, sb.buf);
+ fputc('\n', output);
+ strbuf_release(&sb);
}
-#define CHUNKSIZE (8192)
#define SLOP (16)
static void read_patch_file(struct strbuf *sb, int fd)
@@ -416,7 +466,7 @@ static char *squash_slash(char *name)
return name;
}
-static char *find_name_gnu(const char *line, char *def, int p_value)
+static char *find_name_gnu(const char *line, const char *def, int p_value)
{
struct strbuf name = STRBUF_INIT;
char *cp;
@@ -439,11 +489,7 @@ static char *find_name_gnu(const char *line, char *def, int p_value)
cp++;
}
- /* name can later be freed, so we need
- * to memmove, not just return cp
- */
strbuf_remove(&name, 0, cp - name.buf);
- free(def);
if (root)
strbuf_insert(&name, 0, root, root_len);
return squash_slash(strbuf_detach(&name, NULL));
@@ -608,8 +654,13 @@ static size_t diff_timestamp_len(const char *line, size_t len)
return line + len - end;
}
-static char *find_name_common(const char *line, char *def, int p_value,
- const char *end, int terminate)
+static char *null_strdup(const char *s)
+{
+ return s ? xstrdup(s) : NULL;
+}
+
+static char *find_name_common(const char *line, const char *def,
+ int p_value, const char *end, int terminate)
{
int len;
const char *start = NULL;
@@ -630,10 +681,10 @@ static char *find_name_common(const char *line, char *def, int p_value,
start = line;
}
if (!start)
- return squash_slash(def);
+ return squash_slash(null_strdup(def));
len = line - start;
if (!len)
- return squash_slash(def);
+ return squash_slash(null_strdup(def));
/*
* Generally we prefer the shorter name, especially
@@ -644,8 +695,7 @@ static char *find_name_common(const char *line, char *def, int p_value,
if (def) {
int deflen = strlen(def);
if (deflen < len && !strncmp(start, def, deflen))
- return squash_slash(def);
- free(def);
+ return squash_slash(xstrdup(def));
}
if (root) {
@@ -770,7 +820,7 @@ static int has_epoch_timestamp(const char *nameline)
if (!stamp) {
stamp = xmalloc(sizeof(*stamp));
if (regcomp(stamp, stamp_regexp, REG_EXTENDED)) {
- warning("Cannot prepare timestamp regexp %s",
+ warning(_("Cannot prepare timestamp regexp %s"),
stamp_regexp);
return 0;
}
@@ -779,7 +829,7 @@ static int has_epoch_timestamp(const char *nameline)
status = regexec(stamp, timestamp, ARRAY_SIZE(m), m, 0);
if (status) {
if (status != REG_NOMATCH)
- warning("regexec returned %d for input: %s",
+ warning(_("regexec returned %d for input: %s"),
status, timestamp);
return 0;
}
@@ -842,8 +892,10 @@ static void parse_traditional_patch(const char *first, const char *second, struc
name = find_name_traditional(first, NULL, p_value);
patch->old_name = name;
} else {
- name = find_name_traditional(first, NULL, p_value);
- name = find_name_traditional(second, name, p_value);
+ char *first_name;
+ first_name = find_name_traditional(first, NULL, p_value);
+ name = find_name_traditional(second, first_name, p_value);
+ free(first_name);
if (has_epoch_timestamp(first)) {
patch->is_new = 1;
patch->is_delete = 0;
@@ -853,11 +905,12 @@ static void parse_traditional_patch(const char *first, const char *second, struc
patch->is_delete = 1;
patch->old_name = name;
} else {
- patch->old_name = patch->new_name = name;
+ patch->old_name = name;
+ patch->new_name = xstrdup(name);
}
}
if (!name)
- die("unable to find filename in patch at line %d", linenr);
+ die(_("unable to find filename in patch at line %d"), linenr);
}
static int gitdiff_hdrend(const char *line, struct patch *patch)
@@ -874,7 +927,10 @@ static int gitdiff_hdrend(const char *line, struct patch *patch)
* their names against any previous information, just
* to make sure..
*/
-static char *gitdiff_verify_name(const char *line, int isnull, char *orig_name, const char *oldnew)
+#define DIFF_OLD_NAME 0
+#define DIFF_NEW_NAME 1
+
+static char *gitdiff_verify_name(const char *line, int isnull, char *orig_name, int side)
{
if (!orig_name && !isnull)
return find_name(line, NULL, p_value, TERM_TAB);
@@ -886,30 +942,40 @@ static char *gitdiff_verify_name(const char *line, int isnull, char *orig_name,
name = orig_name;
len = strlen(name);
if (isnull)
- die("git apply: bad git-diff - expected /dev/null, got %s on line %d", name, linenr);
+ die(_("git apply: bad git-diff - expected /dev/null, got %s on line %d"), name, linenr);
another = find_name(line, NULL, p_value, TERM_TAB);
if (!another || memcmp(another, name, len + 1))
- die("git apply: bad git-diff - inconsistent %s filename on line %d", oldnew, linenr);
+ die((side == DIFF_NEW_NAME) ?
+ _("git apply: bad git-diff - inconsistent new filename on line %d") :
+ _("git apply: bad git-diff - inconsistent old filename on line %d"), linenr);
free(another);
return orig_name;
}
else {
/* expect "/dev/null" */
if (memcmp("/dev/null", line, 9) || line[9] != '\n')
- die("git apply: bad git-diff - expected /dev/null on line %d", linenr);
+ die(_("git apply: bad git-diff - expected /dev/null on line %d"), linenr);
return NULL;
}
}
static int gitdiff_oldname(const char *line, struct patch *patch)
{
- patch->old_name = gitdiff_verify_name(line, patch->is_new, patch->old_name, "old");
+ char *orig = patch->old_name;
+ patch->old_name = gitdiff_verify_name(line, patch->is_new, patch->old_name,
+ DIFF_OLD_NAME);
+ if (orig != patch->old_name)
+ free(orig);
return 0;
}
static int gitdiff_newname(const char *line, struct patch *patch)
{
- patch->new_name = gitdiff_verify_name(line, patch->is_delete, patch->new_name, "new");
+ char *orig = patch->new_name;
+ patch->new_name = gitdiff_verify_name(line, patch->is_delete, patch->new_name,
+ DIFF_NEW_NAME);
+ if (orig != patch->new_name)
+ free(orig);
return 0;
}
@@ -928,20 +994,23 @@ static int gitdiff_newmode(const char *line, struct patch *patch)
static int gitdiff_delete(const char *line, struct patch *patch)
{
patch->is_delete = 1;
- patch->old_name = patch->def_name;
+ free(patch->old_name);
+ patch->old_name = null_strdup(patch->def_name);
return gitdiff_oldmode(line, patch);
}
static int gitdiff_newfile(const char *line, struct patch *patch)
{
patch->is_new = 1;
- patch->new_name = patch->def_name;
+ free(patch->new_name);
+ patch->new_name = null_strdup(patch->def_name);
return gitdiff_newmode(line, patch);
}
static int gitdiff_copysrc(const char *line, struct patch *patch)
{
patch->is_copy = 1;
+ free(patch->old_name);
patch->old_name = find_name(line, NULL, p_value ? p_value - 1 : 0, 0);
return 0;
}
@@ -949,6 +1018,7 @@ static int gitdiff_copysrc(const char *line, struct patch *patch)
static int gitdiff_copydst(const char *line, struct patch *patch)
{
patch->is_copy = 1;
+ free(patch->new_name);
patch->new_name = find_name(line, NULL, p_value ? p_value - 1 : 0, 0);
return 0;
}
@@ -956,6 +1026,7 @@ static int gitdiff_copydst(const char *line, struct patch *patch)
static int gitdiff_renamesrc(const char *line, struct patch *patch)
{
patch->is_rename = 1;
+ free(patch->old_name);
patch->old_name = find_name(line, NULL, p_value ? p_value - 1 : 0, 0);
return 0;
}
@@ -963,6 +1034,7 @@ static int gitdiff_renamesrc(const char *line, struct patch *patch)
static int gitdiff_renamedst(const char *line, struct patch *patch)
{
patch->is_rename = 1;
+ free(patch->new_name);
patch->new_name = find_name(line, NULL, p_value ? p_value - 1 : 0, 0);
return 0;
}
@@ -1044,7 +1116,7 @@ static const char *stop_at_slash(const char *line, int llen)
* creation or deletion of an empty file. In any of these cases,
* both sides are the same name under a/ and b/ respectively.
*/
-static char *git_header_name(char *line, int llen)
+static char *git_header_name(const char *line, int llen)
{
const char *name;
const char *second = NULL;
@@ -1171,7 +1243,7 @@ static char *git_header_name(char *line, int llen)
}
/* Verify that we recognize the lines following a git header */
-static int parse_git_header(char *line, int len, unsigned int size, struct patch *patch)
+static int parse_git_header(const char *line, int len, unsigned int size, struct patch *patch)
{
unsigned long offset;
@@ -1287,7 +1359,7 @@ static int parse_range(const char *line, int len, int offset, const char *expect
return offset + ex;
}
-static void recount_diff(char *line, int size, struct fragment *fragment)
+static void recount_diff(const char *line, int size, struct fragment *fragment)
{
int oldlines = 0, newlines = 0, ret = 0;
@@ -1327,7 +1399,7 @@ static void recount_diff(char *line, int size, struct fragment *fragment)
break;
}
if (ret) {
- warning("recount: unexpected line: %.*s",
+ warning(_("recount: unexpected line: %.*s"),
(int)linelen(line, size), line);
return;
}
@@ -1341,7 +1413,7 @@ static void recount_diff(char *line, int size, struct fragment *fragment)
* Parse a unified diff fragment header of the
* form "@@ -a,b +c,d @@"
*/
-static int parse_fragment_header(char *line, int len, struct fragment *fragment)
+static int parse_fragment_header(const char *line, int len, struct fragment *fragment)
{
int offset;
@@ -1355,7 +1427,7 @@ static int parse_fragment_header(char *line, int len, struct fragment *fragment)
return offset;
}
-static int find_header(char *line, unsigned long size, int *hdrsize, struct patch *patch)
+static int find_header(const char *line, unsigned long size, int *hdrsize, struct patch *patch)
{
unsigned long offset, len;
@@ -1384,7 +1456,7 @@ static int find_header(char *line, unsigned long size, int *hdrsize, struct patc
struct fragment dummy;
if (parse_fragment_header(line, len, &dummy) < 0)
continue;
- die("patch fragment without header at line %d: %.*s",
+ die(_("patch fragment without header at line %d: %.*s"),
linenr, (int)len-1, line);
}
@@ -1401,9 +1473,14 @@ static int find_header(char *line, unsigned long size, int *hdrsize, struct patc
continue;
if (!patch->old_name && !patch->new_name) {
if (!patch->def_name)
- die("git diff header lacks filename information when removing "
- "%d leading pathname components (line %d)" , p_value, linenr);
- patch->old_name = patch->new_name = patch->def_name;
+ die(Q_("git diff header lacks filename information when removing "
+ "%d leading pathname component (line %d)",
+ "git diff header lacks filename information when removing "
+ "%d leading pathname components (line %d)",
+ p_value),
+ p_value, linenr);
+ patch->old_name = xstrdup(patch->def_name);
+ patch->new_name = xstrdup(patch->def_name);
}
if (!patch->is_delete && !patch->new_name)
die("git diff header lacks filename information "
@@ -1466,7 +1543,7 @@ static void check_whitespace(const char *line, int len, unsigned ws_rule)
* between a "---" that is part of a patch, and a "---" that starts
* the next patch is to look at the line counts..
*/
-static int parse_fragment(char *line, unsigned long size,
+static int parse_fragment(const char *line, unsigned long size,
struct patch *patch, struct fragment *fragment)
{
int added, deleted;
@@ -1556,13 +1633,21 @@ static int parse_fragment(char *line, unsigned long size,
patch->lines_deleted += deleted;
if (0 < patch->is_new && oldlines)
- return error("new file depends on old contents");
+ return error(_("new file depends on old contents"));
if (0 < patch->is_delete && newlines)
- return error("deleted file still has contents");
+ return error(_("deleted file still has contents"));
return offset;
}
-static int parse_single_patch(char *line, unsigned long size, struct patch *patch)
+/*
+ * We have seen "diff --git a/... b/..." header (or a traditional patch
+ * header). Read hunks that belong to this patch into fragments and hang
+ * them to the given patch structure.
+ *
+ * The (fragment->patch, fragment->size) pair points into the memory given
+ * by the caller, not a copy, when we return.
+ */
+static int parse_single_patch(const char *line, unsigned long size, struct patch *patch)
{
unsigned long offset = 0;
unsigned long oldlines = 0, newlines = 0, context = 0;
@@ -1576,7 +1661,7 @@ static int parse_single_patch(char *line, unsigned long size, struct patch *patc
fragment->linenr = linenr;
len = parse_fragment(line, size, patch, fragment);
if (len <= 0)
- die("corrupt patch at line %d", linenr);
+ die(_("corrupt patch at line %d"), linenr);
fragment->patch = line;
fragment->size = len;
oldlines += fragment->oldlines;
@@ -1612,12 +1697,14 @@ static int parse_single_patch(char *line, unsigned long size, struct patch *patc
patch->is_delete = 0;
if (0 < patch->is_new && oldlines)
- die("new file %s depends on old contents", patch->new_name);
+ die(_("new file %s depends on old contents"), patch->new_name);
if (0 < patch->is_delete && newlines)
- die("deleted file %s still has contents", patch->old_name);
+ die(_("deleted file %s still has contents"), patch->old_name);
if (!patch->is_delete && !newlines && context)
- fprintf(stderr, "** warning: file %s becomes empty but "
- "is not deleted\n", patch->new_name);
+ fprintf_ln(stderr,
+ _("** warning: "
+ "file %s becomes empty but is not deleted"),
+ patch->new_name);
return offset;
}
@@ -1655,6 +1742,11 @@ static char *inflate_it(const void *data, unsigned long size,
return out;
}
+/*
+ * Read a binary hunk and return a new fragment; fragment->patch
+ * points at an allocated memory that the caller must free, so
+ * it is marked as "->free_patch = 1".
+ */
static struct fragment *parse_binary_hunk(char **buf_p,
unsigned long *sz_p,
int *status_p,
@@ -1742,6 +1834,7 @@ static struct fragment *parse_binary_hunk(char **buf_p,
frag = xcalloc(1, sizeof(*frag));
frag->patch = inflate_it(data, hunk_size, origlen);
+ frag->free_patch = 1;
if (!frag->patch)
goto corrupt;
free(data);
@@ -1755,7 +1848,7 @@ static struct fragment *parse_binary_hunk(char **buf_p,
corrupt:
free(data);
*status_p = -1;
- error("corrupt binary patch at line %d: %.*s",
+ error(_("corrupt binary patch at line %d: %.*s"),
linenr-1, llen-1, buffer);
return NULL;
}
@@ -1784,7 +1877,7 @@ static int parse_binary(char *buffer, unsigned long size, struct patch *patch)
forward = parse_binary_hunk(&buffer, &size, &status, &used);
if (!forward && !status)
/* there has to be one hunk (forward hunk) */
- return error("unrecognized binary patch at line %d", linenr-1);
+ return error(_("unrecognized binary patch at line %d"), linenr-1);
if (status)
/* otherwise we already gave an error message */
return status;
@@ -1807,6 +1900,13 @@ static int parse_binary(char *buffer, unsigned long size, struct patch *patch)
return used;
}
+/*
+ * Read the patch text in "buffer" taht extends for "size" bytes; stop
+ * reading after seeing a single patch (i.e. changes to a single file).
+ * Create fragments (i.e. patch hunks) and hang them to the given patch.
+ * Return the number of bytes consumed, so that the caller can call us
+ * again for the next patch.
+ */
static int parse_chunk(char *buffer, unsigned long size, struct patch *patch)
{
int hdrsize, patchsize;
@@ -1863,7 +1963,7 @@ static int parse_chunk(char *buffer, unsigned long size, struct patch *patch)
*/
if ((apply || check) &&
(!patch->is_binary && !metadata_changes(patch)))
- die("patch with only garbage at line %d", linenr);
+ die(_("patch with only garbage at line %d"), linenr);
}
return offset + hdrsize + patchsize;
@@ -1953,11 +2053,11 @@ static int read_old_data(struct stat *st, const char *path, struct strbuf *buf)
switch (st->st_mode & S_IFMT) {
case S_IFLNK:
if (strbuf_readlink(buf, path, st->st_size) < 0)
- return error("unable to read symlink %s", path);
+ return error(_("unable to read symlink %s"), path);
return 0;
case S_IFREG:
if (strbuf_read_file(buf, path, st->st_size) != st->st_size)
- return error("unable to open or read %s", path);
+ return error(_("unable to open or read %s"), path);
convert_to_git(path, buf->buf, buf->len, buf, 0);
return 0;
default:
@@ -2028,7 +2128,7 @@ static void update_pre_post_images(struct image *preimage,
ctx++;
}
if (preimage->nr <= ctx)
- die("oops");
+ die(_("oops"));
/* and copy it in, while fixing the line length */
len = preimage->line[ctx].len;
@@ -2367,6 +2467,11 @@ static void remove_last_line(struct image *img)
img->len -= img->line[--img->nr].len;
}
+/*
+ * The change from "preimage" and "postimage" has been found to
+ * apply at applied_pos (counts in line numbers) in "img".
+ * Update "img" to remove "preimage" and replace it with "postimage".
+ */
static void update_image(struct image *img,
int applied_pos,
struct image *preimage,
@@ -2438,6 +2543,11 @@ static void update_image(struct image *img,
img->nr = nr;
}
+/*
+ * Use the patch-hunk text in "frag" to prepare two images (preimage and
+ * postimage) for the hunk. Find lines that match "preimage" in "img" and
+ * replace the part of "img" with "postimage" text.
+ */
static int apply_one_fragment(struct image *img, struct fragment *frag,
int inaccurate_eof, unsigned ws_rule,
int nth_fragment)
@@ -2540,7 +2650,7 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
break;
default:
if (apply_verbosely)
- error("invalid start of line: '%c'", first);
+ error(_("invalid start of line: '%c'"), first);
return -1;
}
if (added_blank_line) {
@@ -2657,9 +2767,11 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
int offset = applied_pos - pos;
if (apply_in_reverse)
offset = 0 - offset;
- fprintf(stderr,
- "Hunk #%d succeeded at %d (offset %d lines).\n",
- nth_fragment, applied_pos + 1, offset);
+ fprintf_ln(stderr,
+ Q_("Hunk #%d succeeded at %d (offset %d line).",
+ "Hunk #%d succeeded at %d (offset %d lines).",
+ offset),
+ nth_fragment, applied_pos + 1, offset);
}
/*
@@ -2668,13 +2780,13 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
*/
if ((leading != frag->leading) ||
(trailing != frag->trailing))
- fprintf(stderr, "Context reduced to (%ld/%ld)"
- " to apply fragment at %d\n",
- leading, trailing, applied_pos+1);
+ fprintf_ln(stderr, _("Context reduced to (%ld/%ld)"
+ " to apply fragment at %d"),
+ leading, trailing, applied_pos+1);
update_image(img, applied_pos, &preimage, &postimage);
} else {
if (apply_verbosely)
- error("while searching for:\n%.*s",
+ error(_("while searching for:\n%.*s"),
(int)(old - oldlines), oldlines);
}
@@ -2693,7 +2805,7 @@ static int apply_binary_fragment(struct image *img, struct patch *patch)
void *dst;
if (!fragment)
- return error("missing binary patch data for '%s'",
+ return error(_("missing binary patch data for '%s'"),
patch->new_name ?
patch->new_name :
patch->old_name);
@@ -2728,6 +2840,12 @@ static int apply_binary_fragment(struct image *img, struct patch *patch)
return -1;
}
+/*
+ * Replace "img" with the result of applying the binary patch.
+ * The binary patch data itself in patch->fragment is still kept
+ * but the preimage prepared by the caller in "img" is freed here
+ * or in the helper function apply_binary_fragment() this calls.
+ */
static int apply_binary(struct image *img, struct patch *patch)
{
const char *name = patch->old_name ? patch->old_name : patch->new_name;
@@ -2790,13 +2908,13 @@ static int apply_binary(struct image *img, struct patch *patch)
* in the patch->fragments->{patch,size}.
*/
if (apply_binary_fragment(img, patch))
- return error("binary patch does not apply to '%s'",
+ return error(_("binary patch does not apply to '%s'"),
name);
/* verify that the result matches */
hash_sha1_file(img->buf, img->len, blob_type, sha1);
if (strcmp(sha1_to_hex(sha1), patch->new_sha1_prefix))
- return error("binary patch to '%s' creates incorrect result (expecting %s, got %s)",
+ return error(_("binary patch to '%s' creates incorrect result (expecting %s, got %s)"),
name, patch->new_sha1_prefix, sha1_to_hex(sha1));
}
@@ -2817,7 +2935,7 @@ static int apply_fragments(struct image *img, struct patch *patch)
while (frag) {
nth++;
if (apply_one_fragment(img, frag, inaccurate_eof, ws_rule, nth)) {
- error("patch failed: %s:%ld", name, frag->oldpos);
+ error(_("patch failed: %s:%ld"), name, frag->oldpos);
if (!apply_with_reject)
return -1;
frag->rejected = 1;
@@ -2827,20 +2945,17 @@ static int apply_fragments(struct image *img, struct patch *patch)
return 0;
}
-static int read_file_or_gitlink(struct cache_entry *ce, struct strbuf *buf)
+static int read_blob_object(struct strbuf *buf, const unsigned char *sha1, unsigned mode)
{
- if (!ce)
- return 0;
-
- if (S_ISGITLINK(ce->ce_mode)) {
+ if (S_ISGITLINK(mode)) {
strbuf_grow(buf, 100);
- strbuf_addf(buf, "Subproject commit %s\n", sha1_to_hex(ce->sha1));
+ strbuf_addf(buf, "Subproject commit %s\n", sha1_to_hex(sha1));
} else {
enum object_type type;
unsigned long sz;
char *result;
- result = read_sha1_file(ce->sha1, &type, &sz);
+ result = read_sha1_file(sha1, &type, &sz);
if (!result)
return -1;
/* XXX read_sha1_file NUL-terminates */
@@ -2849,6 +2964,13 @@ static int read_file_or_gitlink(struct cache_entry *ce, struct strbuf *buf)
return 0;
}
+static int read_file_or_gitlink(struct cache_entry *ce, struct strbuf *buf)
+{
+ if (!ce)
+ return 0;
+ return read_blob_object(buf, ce->sha1, ce->ce_mode);
+}
+
static struct patch *in_fn_table(const char *name)
{
struct string_list_item *item;
@@ -2867,9 +2989,15 @@ static struct patch *in_fn_table(const char *name)
* item->util in the filename table records the status of the path.
* Usually it points at a patch (whose result records the contents
* of it after applying it), but it could be PATH_WAS_DELETED for a
- * path that a previously applied patch has already removed.
+ * path that a previously applied patch has already removed, or
+ * PATH_TO_BE_DELETED for a path that a later patch would remove.
+ *
+ * The latter is needed to deal with a case where two paths A and B
+ * are swapped by first renaming A to B and then renaming B to A;
+ * moving A to B should not be prevented due to presense of B as we
+ * will remove it in a later patch.
*/
- #define PATH_TO_BE_DELETED ((struct patch *) -2)
+#define PATH_TO_BE_DELETED ((struct patch *) -2)
#define PATH_WAS_DELETED ((struct patch *) -1)
static int to_be_deleted(struct patch *patch)
@@ -2921,152 +3049,346 @@ static void prepare_fn_table(struct patch *patch)
}
}
-static int apply_data(struct patch *patch, struct stat *st, struct cache_entry *ce)
+static int checkout_target(struct cache_entry *ce, struct stat *st)
+{
+ struct checkout costate;
+
+ memset(&costate, 0, sizeof(costate));
+ costate.base_dir = "";
+ costate.refresh_cache = 1;
+ if (checkout_entry(ce, &costate, NULL) || lstat(ce->name, st))
+ return error(_("cannot checkout %s"), ce->name);
+ return 0;
+}
+
+static struct patch *previous_patch(struct patch *patch, int *gone)
+{
+ struct patch *previous;
+
+ *gone = 0;
+ if (patch->is_copy || patch->is_rename)
+ return NULL; /* "git" patches do not depend on the order */
+
+ previous = in_fn_table(patch->old_name);
+ if (!previous)
+ return NULL;
+
+ if (to_be_deleted(previous))
+ return NULL; /* the deletion hasn't happened yet */
+
+ if (was_deleted(previous))
+ *gone = 1;
+
+ return previous;
+}
+
+static int verify_index_match(struct cache_entry *ce, struct stat *st)
+{
+ if (S_ISGITLINK(ce->ce_mode)) {
+ if (!S_ISDIR(st->st_mode))
+ return -1;
+ return 0;
+ }
+ return ce_match_stat(ce, st, CE_MATCH_IGNORE_VALID|CE_MATCH_IGNORE_SKIP_WORKTREE);
+}
+
+#define SUBMODULE_PATCH_WITHOUT_INDEX 1
+
+static int load_patch_target(struct strbuf *buf,
+ struct cache_entry *ce,
+ struct stat *st,
+ const char *name,
+ unsigned expected_mode)
+{
+ if (cached) {
+ if (read_file_or_gitlink(ce, buf))
+ return error(_("read of %s failed"), name);
+ } else if (name) {
+ if (S_ISGITLINK(expected_mode)) {
+ if (ce)
+ return read_file_or_gitlink(ce, buf);
+ else
+ return SUBMODULE_PATCH_WITHOUT_INDEX;
+ } else {
+ if (read_old_data(st, name, buf))
+ return error(_("read of %s failed"), name);
+ }
+ }
+ return 0;
+}
+
+/*
+ * We are about to apply "patch"; populate the "image" with the
+ * current version we have, from the working tree or from the index,
+ * depending on the situation e.g. --cached/--index. If we are
+ * applying a non-git patch that incrementally updates the tree,
+ * we read from the result of a previous diff.
+ */
+static int load_preimage(struct image *image,
+ struct patch *patch, struct stat *st, struct cache_entry *ce)
{
struct strbuf buf = STRBUF_INIT;
- struct image image;
size_t len;
char *img;
- struct patch *tpatch;
+ struct patch *previous;
+ int status;
- if (!(patch->is_copy || patch->is_rename) &&
- (tpatch = in_fn_table(patch->old_name)) != NULL && !to_be_deleted(tpatch)) {
- if (was_deleted(tpatch)) {
- return error("patch %s has been renamed/deleted",
- patch->old_name);
- }
- /* We have a patched copy in memory use that */
- strbuf_add(&buf, tpatch->result, tpatch->resultsize);
- } else if (cached) {
- if (read_file_or_gitlink(ce, &buf))
- return error("read of %s failed", patch->old_name);
- } else if (patch->old_name) {
- if (S_ISGITLINK(patch->old_mode)) {
- if (ce) {
- read_file_or_gitlink(ce, &buf);
- } else {
- /*
- * There is no way to apply subproject
- * patch without looking at the index.
- */
- patch->fragments = NULL;
- }
- } else {
- if (read_old_data(st, patch->old_name, &buf))
- return error("read of %s failed", patch->old_name);
+ previous = previous_patch(patch, &status);
+ if (status)
+ return error(_("path %s has been renamed/deleted"),
+ patch->old_name);
+ if (previous) {
+ /* We have a patched copy in memory; use that. */
+ strbuf_add(&buf, previous->result, previous->resultsize);
+ } else {
+ status = load_patch_target(&buf, ce, st,
+ patch->old_name, patch->old_mode);
+ if (status < 0)
+ return status;
+ else if (status == SUBMODULE_PATCH_WITHOUT_INDEX) {
+ /*
+ * There is no way to apply subproject
+ * patch without looking at the index.
+ * NEEDSWORK: shouldn't this be flagged
+ * as an error???
+ */
+ free_fragment_list(patch->fragments);
+ patch->fragments = NULL;
+ } else if (status) {
+ return error(_("read of %s failed"), patch->old_name);
}
}
img = strbuf_detach(&buf, &len);
- prepare_image(&image, img, len, !patch->is_binary);
+ prepare_image(image, img, len, !patch->is_binary);
+ return 0;
+}
- if (apply_fragments(&image, patch) < 0)
- return -1; /* note with --reject this succeeds. */
- patch->result = image.buf;
- patch->resultsize = image.len;
- add_to_fn_table(patch);
- free(image.line_allocated);
+static int three_way_merge(struct image *image,
+ char *path,
+ const unsigned char *base,
+ const unsigned char *ours,
+ const unsigned char *theirs)
+{
+ mmfile_t base_file, our_file, their_file;
+ mmbuffer_t result = { NULL };
+ int status;
- if (0 < patch->is_delete && patch->resultsize)
- return error("removal patch leaves file contents");
+ read_mmblob(&base_file, base);
+ read_mmblob(&our_file, ours);
+ read_mmblob(&their_file, theirs);
+ status = ll_merge(&result, path,
+ &base_file, "base",
+ &our_file, "ours",
+ &their_file, "theirs", NULL);
+ free(base_file.ptr);
+ free(our_file.ptr);
+ free(their_file.ptr);
+ if (status < 0 || !result.ptr) {
+ free(result.ptr);
+ return -1;
+ }
+ clear_image(image);
+ image->buf = result.ptr;
+ image->len = result.size;
+
+ return status;
+}
+
+/*
+ * When directly falling back to add/add three-way merge, we read from
+ * the current contents of the new_name. In no cases other than that
+ * this function will be called.
+ */
+static int load_current(struct image *image, struct patch *patch)
+{
+ struct strbuf buf = STRBUF_INIT;
+ int status, pos;
+ size_t len;
+ char *img;
+ struct stat st;
+ struct cache_entry *ce;
+ char *name = patch->new_name;
+ unsigned mode = patch->new_mode;
+
+ if (!patch->is_new)
+ die("BUG: patch to %s is not a creation", patch->old_name);
+
+ pos = cache_name_pos(name, strlen(name));
+ if (pos < 0)
+ return error(_("%s: does not exist in index"), name);
+ ce = active_cache[pos];
+ if (lstat(name, &st)) {
+ if (errno != ENOENT)
+ return error(_("%s: %s"), name, strerror(errno));
+ if (checkout_target(ce, &st))
+ return -1;
+ }
+ if (verify_index_match(ce, &st))
+ return error(_("%s: does not match index"), name);
+ status = load_patch_target(&buf, ce, &st, name, mode);
+ if (status < 0)
+ return status;
+ else if (status)
+ return -1;
+ img = strbuf_detach(&buf, &len);
+ prepare_image(image, img, len, !patch->is_binary);
return 0;
}
-static int check_to_create_blob(const char *new_name, int ok_if_exists)
+static int try_threeway(struct image *image, struct patch *patch,
+ struct stat *st, struct cache_entry *ce)
{
- struct stat nst;
- if (!lstat(new_name, &nst)) {
- if (S_ISDIR(nst.st_mode) || ok_if_exists)
- return 0;
- /*
- * A leading component of new_name might be a symlink
- * that is going to be removed with this patch, but
- * still pointing at somewhere that has the path.
- * In such a case, path "new_name" does not exist as
- * far as git is concerned.
- */
- if (has_symlink_leading_path(new_name, strlen(new_name)))
- return 0;
+ unsigned char pre_sha1[20], post_sha1[20], our_sha1[20];
+ struct strbuf buf = STRBUF_INIT;
+ size_t len;
+ int status;
+ char *img;
+ struct image tmp_image;
+
+ /* No point falling back to 3-way merge in these cases */
+ if (patch->is_delete ||
+ S_ISGITLINK(patch->old_mode) || S_ISGITLINK(patch->new_mode))
+ return -1;
+
+ /* Preimage the patch was prepared for */
+ if (patch->is_new)
+ write_sha1_file("", 0, blob_type, pre_sha1);
+ else if (get_sha1(patch->old_sha1_prefix, pre_sha1) ||
+ read_blob_object(&buf, pre_sha1, patch->old_mode))
+ return error("repository lacks the necessary blob to fall back on 3-way merge.");
+
+ fprintf(stderr, "Falling back to three-way merge...\n");
- return error("%s: already exists in working directory", new_name);
+ img = strbuf_detach(&buf, &len);
+ prepare_image(&tmp_image, img, len, 1);
+ /* Apply the patch to get the post image */
+ if (apply_fragments(&tmp_image, patch) < 0) {
+ clear_image(&tmp_image);
+ return -1;
+ }
+ /* post_sha1[] is theirs */
+ write_sha1_file(tmp_image.buf, tmp_image.len, blob_type, post_sha1);
+ clear_image(&tmp_image);
+
+ /* our_sha1[] is ours */
+ if (patch->is_new) {
+ if (load_current(&tmp_image, patch))
+ return error("cannot read the current contents of '%s'",
+ patch->new_name);
+ } else {
+ if (load_preimage(&tmp_image, patch, st, ce))
+ return error("cannot read the current contents of '%s'",
+ patch->old_name);
+ }
+ write_sha1_file(tmp_image.buf, tmp_image.len, blob_type, our_sha1);
+ clear_image(&tmp_image);
+
+ /* in-core three-way merge between post and our using pre as base */
+ status = three_way_merge(image, patch->new_name,
+ pre_sha1, our_sha1, post_sha1);
+ if (status < 0) {
+ fprintf(stderr, "Failed to fall back on three-way merge...\n");
+ return status;
+ }
+
+ if (status) {
+ patch->conflicted_threeway = 1;
+ if (patch->is_new)
+ hashclr(patch->threeway_stage[0]);
+ else
+ hashcpy(patch->threeway_stage[0], pre_sha1);
+ hashcpy(patch->threeway_stage[1], our_sha1);
+ hashcpy(patch->threeway_stage[2], post_sha1);
+ fprintf(stderr, "Applied patch to '%s' with conflicts.\n", patch->new_name);
+ } else {
+ fprintf(stderr, "Applied patch to '%s' cleanly.\n", patch->new_name);
}
- else if ((errno != ENOENT) && (errno != ENOTDIR))
- return error("%s: %s", new_name, strerror(errno));
return 0;
}
-static int verify_index_match(struct cache_entry *ce, struct stat *st)
+static int apply_data(struct patch *patch, struct stat *st, struct cache_entry *ce)
{
- if (S_ISGITLINK(ce->ce_mode)) {
- if (!S_ISDIR(st->st_mode))
+ struct image image;
+
+ if (load_preimage(&image, patch, st, ce) < 0)
+ return -1;
+
+ if (patch->direct_to_threeway ||
+ apply_fragments(&image, patch) < 0) {
+ /* Note: with --reject, apply_fragments() returns 0 */
+ if (!threeway || try_threeway(&image, patch, st, ce) < 0)
return -1;
- return 0;
}
- return ce_match_stat(ce, st, CE_MATCH_IGNORE_VALID|CE_MATCH_IGNORE_SKIP_WORKTREE);
+ patch->result = image.buf;
+ patch->resultsize = image.len;
+ add_to_fn_table(patch);
+ free(image.line_allocated);
+
+ if (0 < patch->is_delete && patch->resultsize)
+ return error(_("removal patch leaves file contents"));
+
+ return 0;
}
+/*
+ * If "patch" that we are looking at modifies or deletes what we have,
+ * we would want it not to lose any local modification we have, either
+ * in the working tree or in the index.
+ *
+ * This also decides if a non-git patch is a creation patch or a
+ * modification to an existing empty file. We do not check the state
+ * of the current tree for a creation patch in this function; the caller
+ * check_patch() separately makes sure (and errors out otherwise) that
+ * the path the patch creates does not exist in the current tree.
+ */
static int check_preimage(struct patch *patch, struct cache_entry **ce, struct stat *st)
{
const char *old_name = patch->old_name;
- struct patch *tpatch = NULL;
- int stat_ret = 0;
+ struct patch *previous = NULL;
+ int stat_ret = 0, status;
unsigned st_mode = 0;
- /*
- * Make sure that we do not have local modifications from the
- * index when we are looking at the index. Also make sure
- * we have the preimage file to be patched in the work tree,
- * unless --cached, which tells git to apply only in the index.
- */
if (!old_name)
return 0;
assert(patch->is_new <= 0);
+ previous = previous_patch(patch, &status);
- if (!(patch->is_copy || patch->is_rename) &&
- (tpatch = in_fn_table(old_name)) != NULL && !to_be_deleted(tpatch)) {
- if (was_deleted(tpatch))
- return error("%s: has been deleted/renamed", old_name);
- st_mode = tpatch->new_mode;
+ if (status)
+ return error(_("path %s has been renamed/deleted"), old_name);
+ if (previous) {
+ st_mode = previous->new_mode;
} else if (!cached) {
stat_ret = lstat(old_name, st);
if (stat_ret && errno != ENOENT)
- return error("%s: %s", old_name, strerror(errno));
+ return error(_("%s: %s"), old_name, strerror(errno));
}
- if (to_be_deleted(tpatch))
- tpatch = NULL;
-
- if (check_index && !tpatch) {
+ if (check_index && !previous) {
int pos = cache_name_pos(old_name, strlen(old_name));
if (pos < 0) {
if (patch->is_new < 0)
goto is_new;
- return error("%s: does not exist in index", old_name);
+ return error(_("%s: does not exist in index"), old_name);
}
*ce = active_cache[pos];
if (stat_ret < 0) {
- struct checkout costate;
- /* checkout */
- memset(&costate, 0, sizeof(costate));
- costate.base_dir = "";
- costate.refresh_cache = 1;
- if (checkout_entry(*ce, &costate, NULL) ||
- lstat(old_name, st))
+ if (checkout_target(*ce, st))
return -1;
}
if (!cached && verify_index_match(*ce, st))
- return error("%s: does not match index", old_name);
+ return error(_("%s: does not match index"), old_name);
if (cached)
st_mode = (*ce)->ce_mode;
} else if (stat_ret < 0) {
if (patch->is_new < 0)
goto is_new;
- return error("%s: %s", old_name, strerror(errno));
+ return error(_("%s: %s"), old_name, strerror(errno));
}
- if (!cached && !tpatch)
+ if (!cached && !previous)
st_mode = ce_mode_from_stat(*ce, st->st_mode);
if (patch->is_new < 0)
@@ -3074,9 +3396,9 @@ static int check_preimage(struct patch *patch, struct cache_entry **ce, struct s
if (!patch->old_mode)
patch->old_mode = st_mode;
if ((st_mode ^ patch->old_mode) & S_IFMT)
- return error("%s: wrong type", old_name);
+ return error(_("%s: wrong type"), old_name);
if (st_mode != patch->old_mode)
- warning("%s has type %o, expected %o",
+ warning(_("%s has type %o, expected %o"),
old_name, st_mode, patch->old_mode);
if (!patch->new_mode && !patch->is_delete)
patch->new_mode = st_mode;
@@ -3085,10 +3407,50 @@ static int check_preimage(struct patch *patch, struct cache_entry **ce, struct s
is_new:
patch->is_new = 1;
patch->is_delete = 0;
+ free(patch->old_name);
patch->old_name = NULL;
return 0;
}
+
+#define EXISTS_IN_INDEX 1
+#define EXISTS_IN_WORKTREE 2
+
+static int check_to_create(const char *new_name, int ok_if_exists)
+{
+ struct stat nst;
+
+ if (check_index &&
+ cache_name_pos(new_name, strlen(new_name)) >= 0 &&
+ !ok_if_exists)
+ return EXISTS_IN_INDEX;
+ if (cached)
+ return 0;
+
+ if (!lstat(new_name, &nst)) {
+ if (S_ISDIR(nst.st_mode) || ok_if_exists)
+ return 0;
+ /*
+ * A leading component of new_name might be a symlink
+ * that is going to be removed with this patch, but
+ * still pointing at somewhere that has the path.
+ * In such a case, path "new_name" does not exist as
+ * far as git is concerned.
+ */
+ if (has_symlink_leading_path(new_name, strlen(new_name)))
+ return 0;
+
+ return EXISTS_IN_WORKTREE;
+ } else if ((errno != ENOENT) && (errno != ENOTDIR)) {
+ return error("%s: %s", new_name, strerror(errno));
+ }
+ return 0;
+}
+
+/*
+ * Check and apply the patch in-core; leave the result in patch->result
+ * for the caller to write it out to the final destination.
+ */
static int check_patch(struct patch *patch)
{
struct stat st;
@@ -3107,31 +3469,45 @@ static int check_patch(struct patch *patch)
return status;
old_name = patch->old_name;
+ /*
+ * A type-change diff is always split into a patch to delete
+ * old, immediately followed by a patch to create new (see
+ * diff.c::run_diff()); in such a case it is Ok that the entry
+ * to be deleted by the previous patch is still in the working
+ * tree and in the index.
+ *
+ * A patch to swap-rename between A and B would first rename A
+ * to B and then rename B to A. While applying the first one,
+ * the presense of B should not stop A from getting renamed to
+ * B; ask to_be_deleted() about the later rename. Removal of
+ * B and rename from A to B is handled the same way by asking
+ * was_deleted().
+ */
if ((tpatch = in_fn_table(new_name)) &&
- (was_deleted(tpatch) || to_be_deleted(tpatch)))
- /*
- * A type-change diff is always split into a patch to
- * delete old, immediately followed by a patch to
- * create new (see diff.c::run_diff()); in such a case
- * it is Ok that the entry to be deleted by the
- * previous patch is still in the working tree and in
- * the index.
- */
+ (was_deleted(tpatch) || to_be_deleted(tpatch)))
ok_if_exists = 1;
else
ok_if_exists = 0;
if (new_name &&
((0 < patch->is_new) | (0 < patch->is_rename) | patch->is_copy)) {
- if (check_index &&
- cache_name_pos(new_name, strlen(new_name)) >= 0 &&
- !ok_if_exists)
- return error("%s: already exists in index", new_name);
- if (!cached) {
- int err = check_to_create_blob(new_name, ok_if_exists);
- if (err)
- return err;
+ int err = check_to_create(new_name, ok_if_exists);
+
+ if (err && threeway) {
+ patch->direct_to_threeway = 1;
+ } else switch (err) {
+ case 0:
+ break; /* happy */
+ case EXISTS_IN_INDEX:
+ return error(_("%s: already exists in index"), new_name);
+ break;
+ case EXISTS_IN_WORKTREE:
+ return error(_("%s: already exists in working directory"),
+ new_name);
+ default:
+ return err;
}
+
if (!patch->new_mode) {
if (0 < patch->is_new)
patch->new_mode = S_IFREG | 0644;
@@ -3144,14 +3520,22 @@ static int check_patch(struct patch *patch)
int same = !strcmp(old_name, new_name);
if (!patch->new_mode)
patch->new_mode = patch->old_mode;
- if ((patch->old_mode ^ patch->new_mode) & S_IFMT)
- return error("new mode (%o) of %s does not match old mode (%o)%s%s",
- patch->new_mode, new_name, patch->old_mode,
- same ? "" : " of ", same ? "" : old_name);
+ if ((patch->old_mode ^ patch->new_mode) & S_IFMT) {
+ if (same)
+ return error(_("new mode (%o) of %s does not "
+ "match old mode (%o)"),
+ patch->new_mode, new_name,
+ patch->old_mode);
+ else
+ return error(_("new mode (%o) of %s does not "
+ "match old mode (%o) of %s"),
+ patch->new_mode, new_name,
+ patch->old_mode, old_name);
+ }
}
if (apply_data(patch, &st, ce) < 0)
- return error("%s: patch does not apply", name);
+ return error(_("%s: patch does not apply"), name);
patch->rejected = 0;
return 0;
}
@@ -3164,7 +3548,7 @@ static int check_patch_list(struct patch *patch)
while (patch) {
if (apply_verbosely)
say_patch_name(stderr,
- "Checking patch ", patch, "...\n");
+ _("Checking patch %s..."), patch);
err |= check_patch(patch);
patch = patch->next;
}
@@ -3204,7 +3588,7 @@ static void build_fake_ancestor(struct patch *list, const char *filename)
name = patch->old_name ? patch->old_name : patch->new_name;
if (0 < patch->is_new)
continue;
- else if (get_sha1(patch->old_sha1_prefix, sha1))
+ else if (get_sha1_blob(patch->old_sha1_prefix, sha1))
/* git diff has no index line for mode/type changes */
if (!patch->lines_added && !patch->lines_deleted) {
if (get_current_sha1(patch->old_name, sha1))
@@ -3219,7 +3603,7 @@ static void build_fake_ancestor(struct patch *list, const char *filename)
ce = make_cache_entry(patch->old_mode, sha1_ptr, name, 0, 0);
if (!ce)
- die("make_cache_entry failed for path '%s'", name);
+ die(_("make_cache_entry failed for path '%s'"), name);
if (add_index_entry(&result, ce, ADD_CACHE_OK_TO_ADD))
die ("Could not add %s to temporary index", name);
}
@@ -3362,7 +3746,7 @@ static void remove_file(struct patch *patch, int rmdir_empty)
{
if (update_index) {
if (remove_file_from_cache(patch->old_name) < 0)
- die("unable to remove %s from index", patch->old_name);
+ die(_("unable to remove %s from index"), patch->old_name);
}
if (!cached) {
if (!remove_or_warn(patch->old_mode, patch->old_name) && rmdir_empty) {
@@ -3384,24 +3768,25 @@ static void add_index_file(const char *path, unsigned mode, void *buf, unsigned
ce = xcalloc(1, ce_size);
memcpy(ce->name, path, namelen);
ce->ce_mode = create_ce_mode(mode);
- ce->ce_flags = namelen;
+ ce->ce_flags = create_ce_flags(0);
+ ce->ce_namelen = namelen;
if (S_ISGITLINK(mode)) {
const char *s = buf;
if (get_sha1_hex(s + strlen("Subproject commit "), ce->sha1))
- die("corrupt patch for subproject %s", path);
+ die(_("corrupt patch for subproject %s"), path);
} else {
if (!cached) {
if (lstat(path, &st) < 0)
- die_errno("unable to stat newly created file '%s'",
+ 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)
- die("unable to create backing store for newly created file %s", path);
+ die(_("unable to create backing store for newly created file %s"), path);
}
if (add_cache_entry(ce, ADD_CACHE_OK_TO_ADD) < 0)
- die("unable to add cache entry for %s", path);
+ die(_("unable to add cache entry for %s"), path);
}
static int try_create_file(const char *path, unsigned int mode, const char *buf, unsigned long size)
@@ -3434,7 +3819,7 @@ static int try_create_file(const char *path, unsigned int mode, const char *buf,
strbuf_release(&nbuf);
if (close(fd) < 0)
- die_errno("closing file '%s'", path);
+ die_errno(_("closing file '%s'"), path);
return 0;
}
@@ -3483,7 +3868,34 @@ static void create_one_file(char *path, unsigned mode, const char *buf, unsigned
++nr;
}
}
- die_errno("unable to write file '%s' mode %o", path, mode);
+ die_errno(_("unable to write file '%s' mode %o"), path, mode);
+}
+
+static void add_conflicted_stages_file(struct patch *patch)
+{
+ int stage, namelen;
+ unsigned ce_size, mode;
+ struct cache_entry *ce;
+
+ if (!update_index)
+ return;
+ namelen = strlen(patch->new_name);
+ ce_size = cache_entry_size(namelen);
+ mode = patch->new_mode ? patch->new_mode : (S_IFREG | 0644);
+
+ remove_file_from_cache(patch->new_name);
+ for (stage = 1; stage < 4; stage++) {
+ if (is_null_sha1(patch->threeway_stage[stage - 1]))
+ continue;
+ ce = xcalloc(1, ce_size);
+ memcpy(ce->name, patch->new_name, namelen);
+ ce->ce_mode = create_ce_mode(mode);
+ ce->ce_flags = create_ce_flags(stage);
+ ce->ce_namelen = namelen;
+ hashcpy(ce->sha1, patch->threeway_stage[stage - 1]);
+ if (add_cache_entry(ce, ADD_CACHE_OK_TO_ADD) < 0)
+ die(_("unable to add cache entry for %s"), patch->new_name);
+ }
}
static void create_file(struct patch *patch)
@@ -3496,7 +3908,11 @@ static void create_file(struct patch *patch)
if (!mode)
mode = S_IFREG | 0644;
create_one_file(path, mode, buf, size);
- add_index_file(path, mode, buf, size);
+
+ if (patch->conflicted_threeway)
+ add_conflicted_stages_file(patch);
+ else
+ add_index_file(path, mode, buf, size);
}
/* phase zero is to remove, phase one is to create */
@@ -3528,6 +3944,7 @@ static int write_out_one_reject(struct patch *patch)
char namebuf[PATH_MAX];
struct fragment *frag;
int cnt = 0;
+ struct strbuf sb = STRBUF_INIT;
for (cnt = 0, frag = patch->fragments; frag; frag = frag->next) {
if (!frag->rejected)
@@ -3538,7 +3955,7 @@ static int write_out_one_reject(struct patch *patch)
if (!cnt) {
if (apply_verbosely)
say_patch_name(stderr,
- "Applied patch ", patch, " cleanly.\n");
+ _("Applied patch %s cleanly."), patch);
return 0;
}
@@ -3546,16 +3963,20 @@ static int write_out_one_reject(struct patch *patch)
* contents are marked "rejected" at the patch level.
*/
if (!patch->new_name)
- die("internal error");
+ die(_("internal error"));
/* Say this even without --verbose */
- say_patch_name(stderr, "Applying patch ", patch, " with");
- fprintf(stderr, " %d rejects...\n", cnt);
+ strbuf_addf(&sb, Q_("Applying patch %%s with %d reject...",
+ "Applying patch %%s with %d rejects...",
+ cnt),
+ cnt);
+ say_patch_name(stderr, sb.buf, patch);
+ strbuf_release(&sb);
cnt = strlen(patch->new_name);
if (ARRAY_SIZE(namebuf) <= cnt + 5) {
cnt = ARRAY_SIZE(namebuf) - 5;
- warning("truncating .rej filename to %.*s.rej",
+ warning(_("truncating .rej filename to %.*s.rej"),
cnt - 1, patch->new_name);
}
memcpy(namebuf, patch->new_name, cnt);
@@ -3563,7 +3984,7 @@ static int write_out_one_reject(struct patch *patch)
rej = fopen(namebuf, "w");
if (!rej)
- return error("cannot open %s: %s", namebuf, strerror(errno));
+ return error(_("cannot open %s: %s"), namebuf, strerror(errno));
/* Normal git tools never deal with .rej, so do not pretend
* this is a git patch by saying --git nor give extended
@@ -3576,10 +3997,10 @@ static int write_out_one_reject(struct patch *patch)
frag;
cnt++, frag = frag->next) {
if (!frag->rejected) {
- fprintf(stderr, "Hunk #%d applied cleanly.\n", cnt);
+ fprintf_ln(stderr, _("Hunk #%d applied cleanly."), cnt);
continue;
}
- fprintf(stderr, "Rejected hunk #%d.\n", cnt);
+ fprintf_ln(stderr, _("Rejected hunk #%d."), cnt);
fprintf(rej, "%.*s", frag->size, frag->patch);
if (frag->patch[frag->size-1] != '\n')
fputc('\n', rej);
@@ -3593,6 +4014,7 @@ static int write_out_results(struct patch *list)
int phase;
int errs = 0;
struct patch *l;
+ struct string_list cpath = STRING_LIST_INIT_DUP;
for (phase = 0; phase < 2; phase++) {
l = list;
@@ -3601,12 +4023,30 @@ static int write_out_results(struct patch *list)
errs = 1;
else {
write_out_one_result(l, phase);
- if (phase == 1 && write_out_one_reject(l))
- errs = 1;
+ if (phase == 1) {
+ if (write_out_one_reject(l))
+ errs = 1;
+ if (l->conflicted_threeway) {
+ string_list_append(&cpath, l->new_name);
+ errs = 1;
+ }
+ }
}
l = l->next;
}
}
+
+ if (cpath.nr) {
+ struct string_list_item *item;
+
+ sort_string_list(&cpath);
+ for_each_string_list_item(item, &cpath)
+ fprintf(stderr, "U %s\n", item->string);
+ string_list_clear(&cpath, 0);
+
+ rerere(0);
+ }
+
return errs;
}
@@ -3665,15 +4105,8 @@ static void prefix_patches(struct patch *p)
if (!prefix || p->is_toplevel_relative)
return;
for ( ; p; p = p->next) {
- if (p->new_name == p->old_name) {
- char *prefixed = p->new_name;
- prefix_one(&prefixed);
- p->new_name = p->old_name = prefixed;
- }
- else {
- prefix_one(&p->new_name);
- prefix_one(&p->old_name);
- }
+ prefix_one(&p->new_name);
+ prefix_one(&p->old_name);
}
}
@@ -3683,12 +4116,10 @@ static void prefix_patches(struct patch *p)
static int apply_patch(int fd, const char *filename, int options)
{
size_t offset;
- struct strbuf buf = STRBUF_INIT;
+ struct strbuf buf = STRBUF_INIT; /* owns the patch text */
struct patch *list = NULL, **listp = &list;
int skipped_patch = 0;
- /* FIXME - memory leak when using multiple patch files as inputs */
- memset(&fn_table, 0, sizeof(struct string_list));
patch_input_file = filename;
read_patch_file(&buf, fd);
offset = 0;
@@ -3712,15 +4143,14 @@ static int apply_patch(int fd, const char *filename, int options)
listp = &patch->next;
}
else {
- /* perhaps free it a bit better? */
- free(patch);
+ free_patch(patch);
skipped_patch++;
}
offset += nr;
}
if (!list && !skipped_patch)
- die("unrecognized input");
+ die(_("unrecognized input"));
if (whitespace_error && (ws_error_action == die_on_ws_error))
apply = 0;
@@ -3731,7 +4161,7 @@ static int apply_patch(int fd, const char *filename, int options)
if (check_index) {
if (read_cache() < 0)
- die("unable to read index file");
+ die(_("unable to read index file"));
}
if ((check || apply) &&
@@ -3739,8 +4169,12 @@ static int apply_patch(int fd, const char *filename, int options)
!apply_with_reject)
exit(1);
- if (apply && write_out_results(list))
- exit(1);
+ if (apply && write_out_results(list)) {
+ if (apply_with_reject)
+ exit(1);
+ /* with --3way, we still need to write the index out */
+ return 1;
+ }
if (fake_ancestor)
build_fake_ancestor(list, fake_ancestor);
@@ -3754,7 +4188,9 @@ static int apply_patch(int fd, const char *filename, int options)
if (summary)
summary_patch_list(list);
+ free_patch_list(list);
strbuf_release(&buf);
+ string_list_clear(&fn_table, 0);
return 0;
}
@@ -3844,66 +4280,68 @@ int cmd_apply(int argc, const char **argv, const char *prefix_)
const char *whitespace_option = NULL;
struct option builtin_apply_options[] = {
- { OPTION_CALLBACK, 0, "exclude", NULL, "path",
- "don't apply changes matching the given path",
+ { OPTION_CALLBACK, 0, "exclude", NULL, N_("path"),
+ N_("don't apply changes matching the given path"),
0, option_parse_exclude },
- { OPTION_CALLBACK, 0, "include", NULL, "path",
- "apply changes matching the given path",
+ { OPTION_CALLBACK, 0, "include", NULL, N_("path"),
+ N_("apply changes matching the given path"),
0, option_parse_include },
- { OPTION_CALLBACK, 'p', NULL, NULL, "num",
- "remove <num> leading slashes from traditional diff paths",
+ { OPTION_CALLBACK, 'p', NULL, NULL, N_("num"),
+ N_("remove <num> leading slashes from traditional diff paths"),
0, option_parse_p },
OPT_BOOLEAN(0, "no-add", &no_add,
- "ignore additions made by the patch"),
+ N_("ignore additions made by the patch")),
OPT_BOOLEAN(0, "stat", &diffstat,
- "instead of applying the patch, output diffstat for the input"),
+ N_("instead of applying the patch, output diffstat for the input")),
OPT_NOOP_NOARG(0, "allow-binary-replacement"),
OPT_NOOP_NOARG(0, "binary"),
OPT_BOOLEAN(0, "numstat", &numstat,
- "shows number of added and deleted lines in decimal notation"),
+ N_("shows number of added and deleted lines in decimal notation")),
OPT_BOOLEAN(0, "summary", &summary,
- "instead of applying the patch, output a summary for the input"),
+ N_("instead of applying the patch, output a summary for the input")),
OPT_BOOLEAN(0, "check", &check,
- "instead of applying the patch, see if the patch is applicable"),
+ N_("instead of applying the patch, see if the patch is applicable")),
OPT_BOOLEAN(0, "index", &check_index,
- "make sure the patch is applicable to the current index"),
+ N_("make sure the patch is applicable to the current index")),
OPT_BOOLEAN(0, "cached", &cached,
- "apply a patch without touching the working tree"),
+ N_("apply a patch without touching the working tree")),
OPT_BOOLEAN(0, "apply", &force_apply,
- "also apply the patch (use with --stat/--summary/--check)"),
+ N_("also apply the patch (use with --stat/--summary/--check)")),
+ OPT_BOOL('3', "3way", &threeway,
+ N_( "attempt three-way merge if a patch does not apply")),
OPT_FILENAME(0, "build-fake-ancestor", &fake_ancestor,
- "build a temporary index based on embedded index information"),
+ N_("build a temporary index based on embedded index information")),
{ OPTION_CALLBACK, 'z', NULL, NULL, NULL,
- "paths are separated with NUL character",
+ N_("paths are separated with NUL character"),
PARSE_OPT_NOARG, option_parse_z },
OPT_INTEGER('C', NULL, &p_context,
- "ensure at least <n> lines of context match"),
- { OPTION_CALLBACK, 0, "whitespace", &whitespace_option, "action",
- "detect new or modified lines that have whitespace errors",
+ N_("ensure at least <n> lines of context match")),
+ { OPTION_CALLBACK, 0, "whitespace", &whitespace_option, N_("action"),
+ N_("detect new or modified lines that have whitespace errors"),
0, option_parse_whitespace },
{ OPTION_CALLBACK, 0, "ignore-space-change", NULL, NULL,
- "ignore changes in whitespace when finding context",
+ N_("ignore changes in whitespace when finding context"),
PARSE_OPT_NOARG, option_parse_space_change },
{ OPTION_CALLBACK, 0, "ignore-whitespace", NULL, NULL,
- "ignore changes in whitespace when finding context",
+ N_("ignore changes in whitespace when finding context"),
PARSE_OPT_NOARG, option_parse_space_change },
OPT_BOOLEAN('R', "reverse", &apply_in_reverse,
- "apply the patch in reverse"),
+ N_("apply the patch in reverse")),
OPT_BOOLEAN(0, "unidiff-zero", &unidiff_zero,
- "don't expect at least one line of context"),
+ N_("don't expect at least one line of context")),
OPT_BOOLEAN(0, "reject", &apply_with_reject,
- "leave the rejected hunks in corresponding *.rej files"),
+ N_("leave the rejected hunks in corresponding *.rej files")),
OPT_BOOLEAN(0, "allow-overlap", &allow_overlap,
- "allow overlapping hunks"),
- OPT__VERBOSE(&apply_verbosely, "be verbose"),
+ N_("allow overlapping hunks")),
+ OPT__VERBOSE(&apply_verbosely, N_("be verbose")),
OPT_BIT(0, "inaccurate-eof", &options,
- "tolerate incorrectly detected missing new-line at the end of file",
+ N_("tolerate incorrectly detected missing new-line at the end of file"),
INACCURATE_EOF),
OPT_BIT(0, "recount", &options,
- "do not trust the line counts in the hunk headers",
+ N_("do not trust the line counts in the hunk headers"),
RECOUNT),
- { OPTION_CALLBACK, 0, "directory", NULL, "root",
- "prepend <root> to all filenames",
+ { OPTION_CALLBACK, 0, "directory", NULL, N_("root"),
+ N_("prepend <root> to all filenames"),
0, option_parse_directory },
OPT_END()
};
@@ -3919,15 +4357,24 @@ int cmd_apply(int argc, const char **argv, const char *prefix_)
argc = parse_options(argc, argv, prefix, builtin_apply_options,
apply_usage, 0);
+ if (apply_with_reject && threeway)
+ die("--reject and --3way cannot be used together.");
+ if (cached && threeway)
+ die("--cached and --3way cannot be used together.");
+ if (threeway) {
+ if (is_not_gitdir)
+ die(_("--3way outside a repository"));
+ check_index = 1;
+ }
if (apply_with_reject)
apply = apply_verbosely = 1;
if (!force_apply && (diffstat || numstat || summary || check || fake_ancestor))
apply = 0;
if (check_index && is_not_gitdir)
- die("--index outside a repository");
+ die(_("--index outside a repository"));
if (cached) {
if (is_not_gitdir)
- die("--cached outside a repository");
+ die(_("--cached outside a repository"));
check_index = 1;
}
for (i = 0; i < argc; i++) {
@@ -3943,7 +4390,7 @@ int cmd_apply(int argc, const char **argv, const char *prefix_)
fd = open(arg, O_RDONLY);
if (fd < 0)
- die_errno("can't open patch '%s'", arg);
+ die_errno(_("can't open patch '%s'"), arg);
read_stdin = 0;
set_default_whitespace_mode(whitespace_option);
errs |= apply_patch(fd, arg, options);
@@ -3957,32 +4404,32 @@ int cmd_apply(int argc, const char **argv, const char *prefix_)
squelch_whitespace_errors < whitespace_error) {
int squelched =
whitespace_error - squelch_whitespace_errors;
- warning("squelched %d "
- "whitespace error%s",
- squelched,
- squelched == 1 ? "" : "s");
+ warning(Q_("squelched %d whitespace error",
+ "squelched %d whitespace errors",
+ squelched),
+ squelched);
}
if (ws_error_action == die_on_ws_error)
- die("%d line%s add%s whitespace errors.",
- whitespace_error,
- whitespace_error == 1 ? "" : "s",
- whitespace_error == 1 ? "s" : "");
+ die(Q_("%d line adds whitespace errors.",
+ "%d lines add whitespace errors.",
+ whitespace_error),
+ whitespace_error);
if (applied_after_fixing_ws && apply)
warning("%d line%s applied after"
" fixing whitespace errors.",
applied_after_fixing_ws,
applied_after_fixing_ws == 1 ? "" : "s");
else if (whitespace_error)
- warning("%d line%s add%s whitespace errors.",
- whitespace_error,
- whitespace_error == 1 ? "" : "s",
- whitespace_error == 1 ? "s" : "");
+ warning(Q_("%d line adds whitespace errors.",
+ "%d lines add whitespace errors.",
+ whitespace_error),
+ whitespace_error);
}
if (update_index) {
if (write_cache(newfd, active_cache, active_nr) ||
commit_locked_index(&lock_file))
- die("Unable to write new index file");
+ die(_("Unable to write new index file"));
}
return !!errs;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-21 12:21:01 +0000