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diff --git a/builtin-apply.c b/builtin-apply.c
index 01c9d60642d0faa9ea91d0d39b32985890e1ec7f..8411b38c7963852bffeb6dea1494399e8c9daa02 100644 (file)
--- a/builtin-apply.c
+++ b/builtin-apply.c
static int apply_with_reject;
static int apply_verbosely;
static int no_add;
-static int show_index_info;
+static const char *fake_ancestor;
static int line_termination = '\n';
static unsigned long p_context = ULONG_MAX;
static const char apply_usage[] =
unsigned int is_rename:1;
struct fragment *fragments;
char *result;
- unsigned long resultsize;
+ size_t resultsize;
char old_sha1_prefix[41];
char new_sha1_prefix[41];
struct patch *next;
@@ -178,23 +178,18 @@ static void say_patch_name(FILE *output, const char *pre, struct patch *patch, c
#define CHUNKSIZE (8192)
#define SLOP (16)
-static void *read_patch_file(int fd, unsigned long *sizep)
+static void read_patch_file(struct strbuf *sb, int fd)
{
- struct strbuf buf;
-
- strbuf_init(&buf, 0);
- if (strbuf_read(&buf, fd, 0) < 0)
+ if (strbuf_read(sb, fd, 0) < 0)
die("git-apply: read returned %s", strerror(errno));
- *sizep = buf.len;
/*
* Make sure that we have some slop in the buffer
* so that we can do speculative "memcmp" etc, and
* see to it that it is NUL-filled.
*/
- strbuf_grow(&buf, SLOP);
- memset(buf.buf + buf.len, 0, SLOP);
- return strbuf_detach(&buf);
+ strbuf_grow(sb, SLOP);
+ memset(sb->buf + sb->len, 0, SLOP);
}
static unsigned long linelen(const char *buffer, unsigned long size)
*/
strbuf_remove(&name, 0, cp - name.buf);
free(def);
- return name.buf;
+ return strbuf_detach(&name, NULL);
}
}
strbuf_release(&name);
if (strcmp(cp + 1, first.buf))
goto free_and_fail1;
strbuf_release(&sp);
- return first.buf;
+ return strbuf_detach(&first, NULL);
}
/* unquoted second */
if (line + llen - cp != first.len + 1 ||
memcmp(first.buf, cp, first.len))
goto free_and_fail1;
- return first.buf;
+ return strbuf_detach(&first, NULL);
free_and_fail1:
strbuf_release(&first);
isspace(name[len])) {
/* Good */
strbuf_remove(&sp, 0, np - sp.buf);
- return sp.buf;
+ return strbuf_detach(&sp, NULL);
}
free_and_fail2:
static int read_old_data(struct stat *st, const char *path, struct strbuf *buf)
{
- int fd;
-
switch (st->st_mode & S_IFMT) {
case S_IFLNK:
strbuf_grow(buf, st->st_size);
@@ -1436,14 +1429,8 @@ static int read_old_data(struct stat *st, const char *path, struct strbuf *buf)
strbuf_setlen(buf, st->st_size);
return 0;
case S_IFREG:
- fd = open(path, O_RDONLY);
- if (fd < 0)
- return error("unable to open %s", path);
- if (strbuf_read(buf, fd, st->st_size) < 0) {
- close(fd);
- return -1;
- }
- close(fd);
+ 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);
return 0;
default:
@@ -1968,8 +1955,7 @@ static int apply_data(struct patch *patch, struct stat *st, struct cache_entry *
if (apply_fragments(&buf, patch) < 0)
return -1; /* note with --reject this succeeds. */
- patch->result = buf.buf;
- patch->resultsize = buf.len;
+ patch->result = strbuf_detach(&buf, &patch->resultsize);
if (0 < patch->is_delete && patch->resultsize)
return error("removal patch leaves file contents");
return 0;
}
-static void show_index_list(struct patch *list)
+/* Build an index that contains the just the files needed for a 3way merge */
+static void build_fake_ancestor(struct patch *list, const char *filename)
{
struct patch *patch;
+ struct index_state result = { 0 };
+ int fd;
/* Once we start supporting the reverse patch, it may be
* worth showing the new sha1 prefix, but until then...
for (patch = list; patch; patch = patch->next) {
const unsigned char *sha1_ptr;
unsigned char sha1[20];
+ struct cache_entry *ce;
const char *name;
name = patch->old_name ? patch->old_name : patch->new_name;
if (0 < patch->is_new)
- sha1_ptr = null_sha1;
+ continue;
else if (get_sha1(patch->old_sha1_prefix, sha1))
/* git diff has no index line for mode/type changes */
if (!patch->lines_added && !patch->lines_deleted) {
else
sha1_ptr = sha1;
- printf("%06o %s ",patch->old_mode, sha1_to_hex(sha1_ptr));
- if (line_termination && quote_c_style(name, NULL, NULL, 0))
- quote_c_style(name, NULL, stdout, 0);
- else
- fputs(name, stdout);
- putchar(line_termination);
+ ce = make_cache_entry(patch->old_mode, sha1_ptr, name, 0, 0);
+ if (add_index_entry(&result, ce, ADD_CACHE_OK_TO_ADD))
+ die ("Could not add %s to temporary index", name);
}
+
+ fd = open(filename, O_WRONLY | O_CREAT, 0666);
+ if (fd < 0 || write_index(&result, fd) || close(fd))
+ die ("Could not write temporary index to %s", filename);
+
+ discard_index(&result);
}
static void stat_patch_list(struct patch *patch)
static int apply_patch(int fd, const char *filename, int inaccurate_eof)
{
- unsigned long offset, size;
- char *buffer = read_patch_file(fd, &size);
+ size_t offset;
+ struct strbuf buf;
struct patch *list = NULL, **listp = &list;
int skipped_patch = 0;
+ strbuf_init(&buf, 0);
patch_input_file = filename;
- if (!buffer)
- return -1;
+ read_patch_file(&buf, fd);
offset = 0;
- while (size > 0) {
+ while (offset < buf.len) {
struct patch *patch;
int nr;
patch = xcalloc(1, sizeof(*patch));
patch->inaccurate_eof = inaccurate_eof;
- nr = parse_chunk(buffer + offset, size, patch);
+ nr = parse_chunk(buf.buf + offset, buf.len - offset, patch);
if (nr < 0)
break;
if (apply_in_reverse)
skipped_patch++;
}
offset += nr;
- size -= nr;
}
if (whitespace_error && (new_whitespace == error_on_whitespace))
if (apply && write_out_results(list, skipped_patch))
exit(1);
- if (show_index_info)
- show_index_list(list);
+ if (fake_ancestor)
+ build_fake_ancestor(list, fake_ancestor);
if (diffstat)
stat_patch_list(list);
if (summary)
summary_patch_list(list);
- free(buffer);
+ strbuf_release(&buf);
return 0;
}
apply = 1;
continue;
}
- if (!strcmp(arg, "--index-info")) {
+ if (!strcmp(arg, "--build-fake-ancestor")) {
apply = 0;
- show_index_info = 1;
+ if (++i >= argc)
+ die ("need a filename");
+ fake_ancestor = argv[i];
continue;
}
if (!strcmp(arg, "-z")) {