*/
#include "cache.h"
+#include "config.h"
#include "blob.h"
#include "delta.h"
#include "diff.h"
{
memset(state, 0, sizeof(*state));
state->prefix = prefix;
- state->prefix_length = state->prefix ? strlen(state->prefix) : 0;
state->lock_file = lock_file;
state->newfd = -1;
state->apply = 1;
unsigned ws_rule;
int lines_added, lines_deleted;
int score;
+ int extension_linenr; /* first line specifying delete/new/rename/copy */
unsigned int is_toplevel_relative:1;
unsigned int inaccurate_eof:1;
unsigned int is_binary:1;
return find_name_common(state, line, def, p_value, line + len, 0);
}
-static int count_slashes(const char *cp)
-{
- int cnt = 0;
- char ch;
-
- while ((ch = *cp++))
- if (ch == '/')
- cnt++;
- return cnt;
-}
-
/*
* Given the string after "--- " or "+++ ", guess the appropriate
* p_value for the given patch.
* Does it begin with "a/$our-prefix" and such? Then this is
* very likely to apply to our directory.
*/
- if (!strncmp(name, state->prefix, state->prefix_length))
+ if (starts_with(name, state->prefix))
val = count_slashes(state->prefix);
else {
cp++;
- if (!strncmp(cp, state->prefix, state->prefix_length))
+ if (starts_with(cp, state->prefix))
val = count_slashes(state->prefix) + 1;
}
}
}
if (*name) {
- int len = strlen(*name);
char *another;
if (isnull)
return error(_("git apply: bad git-diff - expected /dev/null, got %s on line %d"),
*name, state->linenr);
another = find_name(state, line, NULL, state->p_value, TERM_TAB);
- if (!another || memcmp(another, *name, len + 1)) {
+ if (!another || strcmp(another, *name)) {
free(another);
return error((side == DIFF_NEW_NAME) ?
_("git apply: bad git-diff - inconsistent new filename on line %d") :
}
free(another);
} else {
- /* expect "/dev/null" */
- if (memcmp("/dev/null", line, 9) || line[9] != '\n')
+ if (!starts_with(line, "/dev/null\n"))
return error(_("git apply: bad git-diff - expected /dev/null on line %d"), state->linenr);
}
DIFF_NEW_NAME);
}
+static int parse_mode_line(const char *line, int linenr, unsigned int *mode)
+{
+ char *end;
+ *mode = strtoul(line, &end, 8);
+ if (end == line || !isspace(*end))
+ return error(_("invalid mode on line %d: %s"), linenr, line);
+ return 0;
+}
+
static int gitdiff_oldmode(struct apply_state *state,
const char *line,
struct patch *patch)
{
- patch->old_mode = strtoul(line, NULL, 8);
- return 0;
+ return parse_mode_line(line, state->linenr, &patch->old_mode);
}
static int gitdiff_newmode(struct apply_state *state,
const char *line,
struct patch *patch)
{
- patch->new_mode = strtoul(line, NULL, 8);
- return 0;
+ return parse_mode_line(line, state->linenr, &patch->new_mode);
}
static int gitdiff_delete(struct apply_state *state,
memcpy(patch->new_sha1_prefix, line, len);
patch->new_sha1_prefix[len] = 0;
if (*ptr == ' ')
- patch->old_mode = strtoul(ptr+1, NULL, 8);
+ return gitdiff_oldmode(state, ptr + 1, patch);
return 0;
}
}
}
+static int check_header_line(struct apply_state *state, struct patch *patch)
+{
+ int extensions = (patch->is_delete == 1) + (patch->is_new == 1) +
+ (patch->is_rename == 1) + (patch->is_copy == 1);
+ if (extensions > 1)
+ return error(_("inconsistent header lines %d and %d"),
+ patch->extension_linenr, state->linenr);
+ if (extensions && !patch->extension_linenr)
+ patch->extension_linenr = state->linenr;
+ return 0;
+}
+
/* Verify that we recognize the lines following a git header */
static int parse_git_header(struct apply_state *state,
const char *line,
res = p->fn(state, line + oplen, patch);
if (res < 0)
return -1;
+ if (check_header_line(state, patch))
+ return -1;
if (res > 0)
return offset;
break;
patch->old_name = xstrdup(patch->def_name);
patch->new_name = xstrdup(patch->def_name);
}
- if (!patch->is_delete && !patch->new_name) {
+ if ((!patch->new_name && !patch->is_delete) ||
+ (!patch->old_name && !patch->is_new)) {
error(_("git diff header lacks filename information "
"(line %d)"), state->linenr);
return -128;
char *old_name = *name;
if (!old_name)
return;
- *name = xstrdup(prefix_filename(state->prefix, state->prefix_length, *name));
+ *name = prefix_filename(state->prefix, *name);
free(old_name);
}
int i;
/* Paths outside are not touched regardless of "--include" */
- if (0 < state->prefix_length) {
- int pathlen = strlen(pathname);
- if (pathlen <= state->prefix_length ||
- memcmp(state->prefix, pathname, state->prefix_length))
+ if (state->prefix && *state->prefix) {
+ const char *rest;
+ if (!skip_prefix(pathname, state->prefix, &rest) || !*rest)
return 0;
}
/* See if it matches any of exclude/include rule */
for (i = 0; i < state->limit_by_name.nr; i++) {
struct string_list_item *it = &state->limit_by_name.items[i];
- if (!wildmatch(it->string, pathname, 0, NULL))
+ if (!wildmatch(it->string, pathname, 0))
return (it->util != NULL);
}
case S_IFREG:
if (strbuf_read_file(buf, path, st->st_size) != st->st_size)
return error(_("unable to open or read %s"), path);
- convert_to_git(path, buf->buf, buf->len, buf, 0);
+ convert_to_git(&the_index, path, buf->buf, buf->len, buf, 0);
return 0;
default:
return -1;
img->line_allocated = img->line;
}
if (preimage_limit != postimage->nr)
- memmove(img->line + applied_pos + postimage->nr,
- img->line + applied_pos + preimage_limit,
- (img->nr - (applied_pos + preimage_limit)) *
- sizeof(*img->line));
- memcpy(img->line + applied_pos,
- postimage->line,
- postimage->nr * sizeof(*img->line));
+ MOVE_ARRAY(img->line + applied_pos + postimage->nr,
+ img->line + applied_pos + preimage_limit,
+ img->nr - (applied_pos + preimage_limit));
+ COPY_ARRAY(img->line + applied_pos, postimage->line, postimage->nr);
if (!state->allow_overlap)
for (i = 0; i < postimage->nr; i++)
img->line[applied_pos + i].flag |= LINE_PATCHED;
/* 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."));
is_new:
patch->is_new = 1;
patch->is_delete = 0;
- free(patch->old_name);
- patch->old_name = NULL;
+ FREE_AND_NULL(patch->old_name);
return 0;
}
return 0;
return EXISTS_IN_WORKTREE;
- } else if ((errno != ENOENT) && (errno != ENOTDIR)) {
+ } else if (!is_missing_file_error(errno)) {
return error_errno("%s", new_name);
}
return 0;
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 */
res = write_locked_index(&result, &lock, COMMIT_LOCK);
discard_index(&result);
- if (res)
- return error(_("could not write temporary index to %s"),
- state->fake_ancestor);
+ if (res)
+ return error(_("could not write temporary index to %s"),
+ state->fake_ancestor);
+
+ return 0;
+}
+
+static void stat_patch_list(struct apply_state *state, struct patch *patch)
+{
+ int files, adds, dels;
+
+ for (files = adds = dels = 0 ; patch ; patch = patch->next) {
+ files++;
+ adds += patch->lines_added;
+ dels += patch->lines_deleted;
+ show_stats(state, patch);
+ }
- return 0;
- }
+ print_stat_summary(stdout, files, adds, dels);
+}
+
+static void numstat_patch_list(struct apply_state *state,
+ struct patch *patch)
+{
+ for ( ; patch; patch = patch->next) {
+ const char *name;
+ name = patch->new_name ? patch->new_name : patch->old_name;
+ if (patch->is_binary)
+ printf("-\t-\t");
+ else
+ printf("%d\t%d\t", patch->lines_added, patch->lines_deleted);
+ write_name_quoted(name, stdout, state->line_termination);
+ }
+}
- static void stat_patch_list(struct apply_state *state, struct patch *patch)
- {
- int files, adds, dels;
+static void show_file_mode_name(const char *newdelete, unsigned int mode, const char *name)
+{
+ if (mode)
+ printf(" %s mode %06o %s\n", newdelete, mode, name);
+ else
+ printf(" %s %s\n", newdelete, name);
+}
- for (files = adds = dels = 0 ; patch ; patch = patch->next) {
- files++;
- adds += patch->lines_added;
- dels += patch->lines_deleted;
- show_stats(state, patch);
- }
+static void show_mode_change(struct patch *p, int show_name)
+{
+ if (p->old_mode && p->new_mode && p->old_mode != p->new_mode) {
+ if (show_name)
+ printf(" mode change %06o => %06o %s\n",
+ p->old_mode, p->new_mode, p->new_name);
+ else
+ printf(" mode change %06o => %06o\n",
+ p->old_mode, p->new_mode);
+ }
+}
- print_stat_summary(stdout, files, adds, dels);
- }
+static void show_rename_copy(struct patch *p)
+{
+ const char *renamecopy = p->is_rename ? "rename" : "copy";
+ const char *old, *new;
- static void numstat_patch_list(struct apply_state *state,
- struct patch *patch)
- {
- for ( ; patch; patch = patch->next) {
- const char *name;
- name = patch->new_name ? patch->new_name : patch->old_name;
- if (patch->is_binary)
- printf("-\t-\t");
- else
- printf("%d\t%d\t", patch->lines_added, patch->lines_deleted);
- write_name_quoted(name, stdout, state->line_termination);
- }
- }
-
- static void show_file_mode_name(const char *newdelete, unsigned int mode, const char *name)
- {
- if (mode)
- printf(" %s mode %06o %s\n", newdelete, mode, name);
- else
- printf(" %s %s\n", newdelete, name);
- }
-
- static void show_mode_change(struct patch *p, int show_name)
- {
- if (p->old_mode && p->new_mode && p->old_mode != p->new_mode) {
- if (show_name)
- printf(" mode change %06o => %06o %s\n",
- p->old_mode, p->new_mode, p->new_name);
- else
- printf(" mode change %06o => %06o\n",
- p->old_mode, p->new_mode);
- }
- }
-
- static void show_rename_copy(struct patch *p)
- {
- const char *renamecopy = p->is_rename ? "rename" : "copy";
- const char *old, *new;
-
- /* Find common prefix */
- old = p->old_name;
- new = p->new_name;
- while (1) {
- const char *slash_old, *slash_new;
- slash_old = strchr(old, '/');
- slash_new = strchr(new, '/');
- if (!slash_old ||
- !slash_new ||
- slash_old - old != slash_new - new ||
- memcmp(old, new, slash_new - new))
- break;
- old = slash_old + 1;
- new = slash_new + 1;
- }
- /* p->old_name thru old is the common prefix, and old and new
- * through the end of names are renames
- */
- if (old != p->old_name)
- printf(" %s %.*s{%s => %s} (%d%%)\n", renamecopy,
- (int)(old - p->old_name), p->old_name,
- old, new, p->score);
- else
- printf(" %s %s => %s (%d%%)\n", renamecopy,
- p->old_name, p->new_name, p->score);
- show_mode_change(p, 0);
- }
-
- static void summary_patch_list(struct patch *patch)
- {
- struct patch *p;
-
- for (p = patch; p; p = p->next) {
- if (p->is_new)
- show_file_mode_name("create", p->new_mode, p->new_name);
- else if (p->is_delete)
- show_file_mode_name("delete", p->old_mode, p->old_name);
- else {
- if (p->is_rename || p->is_copy)
- show_rename_copy(p);
- else {
- if (p->score) {
- printf(" rewrite %s (%d%%)\n",
- p->new_name, p->score);
- show_mode_change(p, 0);
- }
- else
- show_mode_change(p, 1);
- }
- }
- }
- }
-
- static void patch_stats(struct apply_state *state, struct patch *patch)
- {
- int lines = patch->lines_added + patch->lines_deleted;
-
- if (lines > state->max_change)
- state->max_change = lines;
- if (patch->old_name) {
- int len = quote_c_style(patch->old_name, NULL, NULL, 0);
- if (!len)
- len = strlen(patch->old_name);
- if (len > state->max_len)
- state->max_len = len;
- }
- if (patch->new_name) {
- int len = quote_c_style(patch->new_name, NULL, NULL, 0);
- if (!len)
- len = strlen(patch->new_name);
- if (len > state->max_len)
- state->max_len = len;
- }
- }
-
- static int remove_file(struct apply_state *state, struct patch *patch, int rmdir_empty)
- {
- if (state->update_index) {
- if (remove_file_from_cache(patch->old_name) < 0)
- return error(_("unable to remove %s from index"), patch->old_name);
- }
- if (!state->cached) {
- if (!remove_or_warn(patch->old_mode, patch->old_name) && rmdir_empty) {
- remove_path(patch->old_name);
- }
- }
- return 0;
- }
-
- static int add_index_file(struct apply_state *state,
- const char *path,
- unsigned mode,
- void *buf,
- unsigned long size)
- {
- struct stat st;
- struct cache_entry *ce;
- int namelen = strlen(path);
- unsigned ce_size = cache_entry_size(namelen);
-
- if (!state->update_index)
- return 0;
-
- ce = xcalloc(1, ce_size);
- memcpy(ce->name, path, namelen);
- ce->ce_mode = create_ce_mode(mode);
- ce->ce_flags = create_ce_flags(0);
- ce->ce_namelen = namelen;
- if (S_ISGITLINK(mode)) {
- const char *s;
-
- if (!skip_prefix(buf, "Subproject commit ", &s) ||
- get_oid_hex(s, &ce->oid)) {
+ /* Find common prefix */
+ old = p->old_name;
+ new = p->new_name;
+ while (1) {
+ const char *slash_old, *slash_new;
+ slash_old = strchr(old, '/');
+ slash_new = strchr(new, '/');
+ if (!slash_old ||
+ !slash_new ||
+ slash_old - old != slash_new - new ||
+ memcmp(old, new, slash_new - new))
+ break;
+ old = slash_old + 1;
+ new = slash_new + 1;
+ }
+ /* p->old_name thru old is the common prefix, and old and new
+ * through the end of names are renames
+ */
+ if (old != p->old_name)
+ printf(" %s %.*s{%s => %s} (%d%%)\n", renamecopy,
+ (int)(old - p->old_name), p->old_name,
+ old, new, p->score);
+ else
+ printf(" %s %s => %s (%d%%)\n", renamecopy,
+ p->old_name, p->new_name, p->score);
+ show_mode_change(p, 0);
+}
+
+static void summary_patch_list(struct patch *patch)
+{
+ struct patch *p;
+
+ for (p = patch; p; p = p->next) {
+ if (p->is_new)
+ show_file_mode_name("create", p->new_mode, p->new_name);
+ else if (p->is_delete)
+ show_file_mode_name("delete", p->old_mode, p->old_name);
+ else {
+ if (p->is_rename || p->is_copy)
+ show_rename_copy(p);
+ else {
+ if (p->score) {
+ printf(" rewrite %s (%d%%)\n",
+ p->new_name, p->score);
+ show_mode_change(p, 0);
+ }
+ else
+ show_mode_change(p, 1);
+ }
+ }
+ }
+}
+
+static void patch_stats(struct apply_state *state, struct patch *patch)
+{
+ int lines = patch->lines_added + patch->lines_deleted;
+
+ if (lines > state->max_change)
+ state->max_change = lines;
+ if (patch->old_name) {
+ int len = quote_c_style(patch->old_name, NULL, NULL, 0);
+ if (!len)
+ len = strlen(patch->old_name);
+ if (len > state->max_len)
+ state->max_len = len;
+ }
+ if (patch->new_name) {
+ int len = quote_c_style(patch->new_name, NULL, NULL, 0);
+ if (!len)
+ len = strlen(patch->new_name);
+ if (len > state->max_len)
+ state->max_len = len;
+ }
+}
+
+static int remove_file(struct apply_state *state, struct patch *patch, int rmdir_empty)
+{
+ if (state->update_index) {
+ if (remove_file_from_cache(patch->old_name) < 0)
+ return error(_("unable to remove %s from index"), patch->old_name);
+ }
+ if (!state->cached) {
+ if (!remove_or_warn(patch->old_mode, patch->old_name) && rmdir_empty) {
+ remove_path(patch->old_name);
+ }
+ }
+ return 0;
+}
+
+static int add_index_file(struct apply_state *state,
+ const char *path,
+ unsigned mode,
+ void *buf,
+ unsigned long size)
+{
+ struct stat st;
+ struct cache_entry *ce;
+ int namelen = strlen(path);
+ unsigned ce_size = cache_entry_size(namelen);
+
+ if (!state->update_index)
+ return 0;
+
+ ce = xcalloc(1, ce_size);
+ memcpy(ce->name, path, namelen);
+ ce->ce_mode = create_ce_mode(mode);
+ ce->ce_flags = create_ce_flags(0);
+ ce->ce_namelen = namelen;
+ if (S_ISGITLINK(mode)) {
+ const char *s;
+
+ if (!skip_prefix(buf, "Subproject commit ", &s) ||
+ get_oid_hex(s, &ce->oid)) {
free(ce);
- return error(_("corrupt patch for submodule %s"), path);
+ return error(_("corrupt patch for submodule %s"), path);
}
} else {
if (!state->cached) {
for (i = 0; i < argc; i++) {
const char *arg = argv[i];
+ char *to_free = NULL;
int fd;
if (!strcmp(arg, "-")) {
errs |= res;
read_stdin = 0;
continue;
- } else if (0 < state->prefix_length)
- arg = prefix_filename(state->prefix,
- state->prefix_length,
- arg);
+ } else
+ arg = to_free = prefix_filename(state->prefix, arg);
fd = open(arg, O_RDONLY);
if (fd < 0) {
error(_("can't open patch '%s': %s"), arg, strerror(errno));
res = -128;
+ free(to_free);
goto end;
}
read_stdin = 0;
set_default_whitespace_mode(state);
res = apply_patch(state, fd, arg, options);
close(fd);
+ free(to_free);
if (res < 0)
goto end;
errs |= res;