![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
| author | Junio C Hamano <gitster@pobox.com> | |
| Wed, 4 Jul 2007 05:56:59 +0000 (22:56 -0700) | ||
| committer | Junio C Hamano <gitster@pobox.com> | |
| Wed, 4 Jul 2007 05:56:59 +0000 (22:56 -0700) |
* maint:
Document -<n> for git-format-patch
glossary: add 'reflog'
diff --no-index: fix --name-status with added files
Don't smash stack when $GIT_ALTERNATE_OBJECT_DIRECTORIES is too long
Document -<n> for git-format-patch
glossary: add 'reflog'
diff --no-index: fix --name-status with added files
Don't smash stack when $GIT_ALTERNATE_OBJECT_DIRECTORIES is too long
| 1 | 2 | |||
|---|---|---|---|---|
| Documentation/git-format-patch.txt | patch | | diff1 | | diff2 | | blob | history |
| diff.c | patch | | diff1 | | diff2 | | blob | history |
| sha1_file.c | patch | | diff1 | | diff2 | | blob | history |
| t/t4013-diff-various.sh | patch | | diff1 | | diff2 | | blob | history |
diff --combined Documentation/git-format-patch.txt
index e5638102ec50aba1550ed8ed1345666d601d3c94,0ca58a7eb36fb4b29ea485a098a12660360a2252..6cbcf937bcd3128b27fbce673d8500590a3f66ce
[verse]
'git-format-patch' [-n | -k] [-o <dir> | --stdout] [--thread]
[--attach[=<boundary>] | --inline[=<boundary>]]
- [-s | --signoff] [<common diff options>] [--start-number <n>]
+ [-s | --signoff] [<common diff options>]
+ [--start-number <n>] [--numbered-files]
[--in-reply-to=Message-Id] [--suffix=.<sfx>]
[--ignore-if-in-upstream]
[--subject-prefix=Subject-Prefix]
The output of this command is convenient for e-mail submission or
for use with gitlink:git-am[1].
-Each output file is numbered sequentially from 1, and uses the
+By default, each output file is numbered sequentially from 1, and uses the
first line of the commit message (massaged for pathname safety) as
-the filename. The names of the output files are printed to standard
+the filename. With the --numbered-files option, the output file names
+will only be numbers, without the first line of the commit appended.
+The names of the output files are printed to standard
output, unless the --stdout option is specified.
If -o is specified, output files are created in <dir>. Otherwise
-------
include::diff-options.txt[]
+ -<n>::
+ Limits the number of patches to prepare.
+
-o|--output-directory <dir>::
Use <dir> to store the resulting files, instead of the
current working directory.
--start-number <n>::
Start numbering the patches at <n> instead of 1.
+--numbered-files::
+ Output file names will be a simple number sequence
+ without the default first line of the commit appended.
+ Mutually exclusive with the --stdout option.
+
-k|--keep-subject::
Do not strip/add '[PATCH]' from the first line of the
commit log message.
CONFIGURATION
-------------
You can specify extra mail header lines to be added to each
-message in the repository configuration. Also you can specify
-the default suffix different from the built-in one:
+message in the repository configuration. You can also specify
+new defaults for the subject prefix and file suffix.
------------
[format]
headers = "Organization: git-foo\n"
+ subjectprefix = CHANGE
suffix = .txt
------------
GIT
---
Part of the gitlink:git[7] suite
-
diff --combined diff.c
index b6eb72be029c9cd2f2b33977f3a3f02099b68106,da992dd4851dd67ab9a307c1b08ebed442e406cb..19589707c4cf40e622b0f7b98b8fd07704b37c01
+++ b/diff.c
if (size_only && 0 < s->size)
return 0;
- if (S_ISDIRLNK(s->mode))
+ if (S_ISGITLINK(s->mode))
return diff_populate_gitlink(s, size_only);
if (!s->sha1_valid ||
hashclr(one->sha1);
}
+static int similarity_index(struct diff_filepair *p)
+{
+ return p->score * 100 / MAX_SCORE;
+}
+
static void run_diff(struct diff_filepair *p, struct diff_options *o)
{
const char *pgm = external_diff();
"similarity index %d%%\n"
"copy from %s\n"
"copy to %s\n",
- (int)(0.5 + p->score * 100.0/MAX_SCORE),
- name_munged, other_munged);
+ similarity_index(p), name_munged, other_munged);
break;
case DIFF_STATUS_RENAMED:
len += snprintf(msg + len, sizeof(msg) - len,
"similarity index %d%%\n"
"rename from %s\n"
"rename to %s\n",
- (int)(0.5 + p->score * 100.0/MAX_SCORE),
- name_munged, other_munged);
+ similarity_index(p), name_munged, other_munged);
break;
case DIFF_STATUS_MODIFIED:
if (p->score) {
len += snprintf(msg + len, sizeof(msg) - len,
"dissimilarity index %d%%\n",
- (int)(0.5 + p->score *
- 100.0/MAX_SCORE));
+ similarity_index(p));
complete_rewrite = 1;
break;
}
return 1;
}
+static int diff_scoreopt_parse(const char *opt);
+
int diff_opt_parse(struct diff_options *options, const char **av, int ac)
{
const char *arg = av[0];
options->detect_rename = DIFF_DETECT_RENAME;
}
else if (!prefixcmp(arg, "-C")) {
+ if (options->detect_rename == DIFF_DETECT_COPY)
+ options->find_copies_harder = 1;
if ((options->rename_score =
diff_scoreopt_parse(arg)) == -1)
return -1;
}
else if (!strcmp(arg, "--find-copies-harder"))
options->find_copies_harder = 1;
+ else if (!strcmp(arg, "--follow"))
+ options->follow_renames = 1;
else if (!strcmp(arg, "--abbrev"))
options->abbrev = DEFAULT_ABBREV;
else if (!prefixcmp(arg, "--abbrev=")) {
options->exit_with_status = 1;
else if (!strcmp(arg, "--quiet"))
options->quiet = 1;
+ else if (!strcmp(arg, "--ext-diff"))
+ options->allow_external = 1;
+ else if (!strcmp(arg, "--no-ext-diff"))
+ options->allow_external = 0;
else
return 0;
return 1;
return (int)((num >= scale) ? MAX_SCORE : (MAX_SCORE * num / scale));
}
-int diff_scoreopt_parse(const char *opt)
+static int diff_scoreopt_parse(const char *opt)
{
int opt1, opt2, cmd;
}
if (p->score)
- sprintf(status, "%c%03d", p->status,
- (int)(0.5 + p->score * 100.0/MAX_SCORE));
+ sprintf(status, "%c%03d", p->status, similarity_index(p));
else {
status[0] = p->status;
status[1] = 0;
printf("%s ",
diff_unique_abbrev(p->two->sha1, abbrev));
}
- printf("%s%c%s", status, inter_name_termination, path_one);
+ printf("%s%c%s", status, inter_name_termination,
+ two_paths || p->one->mode ? path_one : path_two);
if (two_paths)
printf("%c%s", inter_name_termination, path_two);
putchar(line_termination);
{
char *names = pprint_rename(p->one->path, p->two->path);
- printf(" %s %s (%d%%)\n", renamecopy, names,
- (int)(0.5 + p->score * 100.0/MAX_SCORE));
+ printf(" %s %s (%d%%)\n", renamecopy, names, similarity_index(p));
free(names);
show_mode_change(p, 0);
}
if (p->score) {
char *name = quote_one(p->two->path);
printf(" rewrite %s (%d%%)\n", name,
- (int)(0.5 + p->score * 100.0/MAX_SCORE));
+ similarity_index(p));
free(name);
show_mode_change(p, 0);
} else show_mode_change(p, 1);
{
if (options->quiet)
return;
+
+ /*
+ * break/rename count similarity differently depending on
+ * the binary-ness.
+ */
+ if ((options->break_opt != -1) || (options->detect_rename)) {
+ struct diff_queue_struct *q = &diff_queued_diff;
+ int i;
+
+ for (i = 0; i < q->nr; i++) {
+ struct diff_filepair *p = q->queue[i];
+ p->one->is_binary = file_is_binary(p->one);
+ p->two->is_binary = file_is_binary(p->two);
+ }
+ }
+
if (options->break_opt != -1)
diffcore_break(options->break_opt);
if (options->detect_rename)
* entries to the diff-core. They will be prefixed
* with something like '=' or '*' (I haven't decided
* which but should not make any difference).
- * Feeding the same new and old to diff_change()
+ * Feeding the same new and old to diff_change()
* also has the same effect.
* Before the final output happens, they are pruned after
* merged into rename/copy pairs as appropriate.
unsigned old_mode, unsigned new_mode,
const unsigned char *old_sha1,
const unsigned char *new_sha1,
- const char *base, const char *path)
+ const char *base, const char *path)
{
char concatpath[PATH_MAX];
struct diff_filespec *one, *two;
diff --combined sha1_file.c
index f2b1ae0325ea16e4e46152c3d3d2d3d7f2b32e3d,1d328c8d61d97314c4fd7f83888b0d30b22ac301..1efd9ae19a84dbc2765d4011ea06b2145e86ebb3
--- 1/sha1_file.c
--- 2/sha1_file.c
+++ b/sha1_file.c
*buf++ = hex[val >> 4];
*buf++ = hex[val & 0xf];
}
-
+
return base;
}
*buf++ = hex[val >> 4];
*buf++ = hex[val & 0xf];
}
-
+
return base;
}
char *map;
size_t mapsz;
struct stat st;
- char path[PATH_MAX];
+ const char alt_file_name[] = "info/alternates";
+ /* Given that relative_base is no longer than PATH_MAX,
+ ensure that "path" has enough space to append "/", the
+ file name, "info/alternates", and a trailing NUL. */
+ char path[PATH_MAX + 1 + sizeof alt_file_name];
int fd;
- sprintf(path, "%s/info/alternates", relative_base);
+ sprintf(path, "%s/%s", relative_base, alt_file_name);
fd = open(path, O_RDONLY);
if (fd < 0)
return;
{
const char *alt;
+ if (alt_odb_tail)
+ return;
+
alt = getenv(ALTERNATE_DB_ENVIRONMENT);
if (!alt) alt = "";
- if (alt_odb_tail)
- return;
alt_odb_tail = &alt_odb_list;
link_alt_odb_entries(alt, alt + strlen(alt), ':', NULL, 0);
static size_t pack_mapped;
struct packed_git *packed_git;
-void pack_report()
+void pack_report(void)
{
fprintf(stderr,
"pack_report: getpagesize() = %10" SZ_FMT "\n"
return 0;
}
+int open_pack_index(struct packed_git *p)
+{
+ char *idx_name;
+ int ret;
+
+ if (p->index_data)
+ return 0;
+
+ idx_name = xstrdup(p->pack_name);
+ strcpy(idx_name + strlen(idx_name) - strlen(".pack"), ".idx");
+ ret = check_packed_git_idx(idx_name, p);
+ free(idx_name);
+ return ret;
+}
+
static void scan_windows(struct packed_git *p,
struct packed_git **lru_p,
struct pack_window **lru_w,
unsigned char *idx_sha1;
long fd_flag;
+ if (!p->index_data && open_pack_index(p))
+ return error("packfile %s index unavailable", p->pack_name);
+
p->pack_fd = open(p->pack_name, O_RDONLY);
if (p->pack_fd < 0 || fstat(p->pack_fd, &st))
return -1;
return NULL;
memcpy(p->pack_name, path, path_len);
strcpy(p->pack_name + path_len, ".pack");
- if (stat(p->pack_name, &st) || !S_ISREG(st.st_mode) ||
- check_packed_git_idx(path, p)) {
+ if (stat(p->pack_name, &st) || !S_ISREG(st.st_mode)) {
free(p);
return NULL;
}
/* ok, it looks sane as far as we can check without
* actually mapping the pack file.
*/
+ p->index_version = 0;
+ p->index_data = NULL;
+ p->index_size = 0;
+ p->num_objects = 0;
p->pack_size = st.st_size;
p->next = NULL;
p->windows = NULL;
static void prepare_packed_git_one(char *objdir, int local)
{
- char path[PATH_MAX];
+ /* Ensure that this buffer is large enough so that we can
+ append "/pack/" without clobbering the stack even if
+ strlen(objdir) were PATH_MAX. */
+ char path[PATH_MAX + 1 + 4 + 1 + 1];
int len;
DIR *dir;
struct dirent *de;
if (!has_extension(de->d_name, ".idx"))
continue;
+ if (len + namelen + 1 > sizeof(path))
+ continue;
+
/* Don't reopen a pack we already have. */
strcpy(path + len, de->d_name);
for (p = packed_git; p; p = p->next) {
return hashcmp(sha1, real_sha1) ? -1 : 0;
}
-void *map_sha1_file(const unsigned char *sha1, unsigned long *size)
+static void *map_sha1_file(const unsigned char *sha1, unsigned long *size)
{
struct stat st;
void *map;
return map;
}
-int legacy_loose_object(unsigned char *map)
+static int legacy_loose_object(unsigned char *map)
{
unsigned int word;
return inflate(stream, 0);
}
+
+ /*
+ * There used to be a second loose object header format which
+ * was meant to mimic the in-pack format, allowing for direct
+ * copy of the object data. This format turned up not to be
+ * really worth it and we don't write it any longer. But we
+ * can still read it.
+ */
used = unpack_object_header_gently(map, mapsize, &type, &size);
if (!used || !valid_loose_object_type[type])
return -1;
unsigned long size;
/*
- * The type can be at most ten bytes (including the
+ * The type can be at most ten bytes (including the
* terminating '\0' that we add), and is followed by
* a space.
*/
return data;
}
-const unsigned char *nth_packed_object_sha1(const struct packed_git *p,
+const unsigned char *nth_packed_object_sha1(struct packed_git *p,
uint32_t n)
{
const unsigned char *index = p->index_data;
+ if (!index) {
+ if (open_pack_index(p))
+ return NULL;
+ index = p->index_data;
+ }
if (n >= p->num_objects)
return NULL;
index += 4 * 256;
const unsigned char *index = p->index_data;
unsigned hi, lo;
+ if (!index) {
+ if (open_pack_index(p))
+ return 0;
+ level1_ofs = p->index_data;
+ index = p->index_data;
+ }
if (p->index_version > 1) {
level1_ofs += 2;
index += 8;
static int find_pack_entry(const unsigned char *sha1, struct pack_entry *e, const char **ignore_packed)
{
+ static struct packed_git *last_found = (void *)1;
struct packed_git *p;
off_t offset;
prepare_packed_git();
+ if (!packed_git)
+ return 0;
+ p = (last_found == (void *)1) ? packed_git : last_found;
- for (p = packed_git; p; p = p->next) {
+ do {
if (ignore_packed) {
const char **ig;
for (ig = ignore_packed; *ig; ig++)
if (!matches_pack_name(p, *ig))
break;
if (*ig)
- continue;
+ goto next;
}
+
offset = find_pack_entry_one(sha1, p);
if (offset) {
/*
*/
if (p->pack_fd == -1 && open_packed_git(p)) {
error("packfile %s cannot be accessed", p->pack_name);
- continue;
+ goto next;
}
e->offset = offset;
e->p = p;
hashcpy(e->sha1, sha1);
+ last_found = p;
return 1;
}
- }
+
+ next:
+ if (p == last_found)
+ p = packed_git;
+ else
+ p = p->next;
+ if (p == last_found)
+ p = p->next;
+ } while (p);
return 0;
}
-struct packed_git *find_sha1_pack(const unsigned char *sha1,
+struct packed_git *find_sha1_pack(const unsigned char *sha1,
struct packed_git *packs)
{
struct packed_git *p;
return 0;
}
-static int write_binary_header(unsigned char *hdr, enum object_type type, unsigned long len)
-{
- int hdr_len;
- unsigned char c;
-
- c = (type << 4) | (len & 15);
- len >>= 4;
- hdr_len = 1;
- while (len) {
- *hdr++ = c | 0x80;
- hdr_len++;
- c = (len & 0x7f);
- len >>= 7;
- }
- *hdr = c;
- return hdr_len;
-}
-
-static void setup_object_header(z_stream *stream, const char *type, unsigned long len)
-{
- int obj_type, hdrlen;
-
- if (use_legacy_headers) {
- while (deflate(stream, 0) == Z_OK)
- /* nothing */;
- return;
- }
- obj_type = type_from_string(type);
- hdrlen = write_binary_header(stream->next_out, obj_type, len);
- stream->total_out = hdrlen;
- stream->next_out += hdrlen;
- stream->avail_out -= hdrlen;
-}
-
int hash_sha1_file(const void *buf, unsigned long len, const char *type,
unsigned char *sha1)
{
/* First header.. */
stream.next_in = (unsigned char *)hdr;
stream.avail_in = hdrlen;
- setup_object_header(&stream, type, len);
+ while (deflate(&stream, 0) == Z_OK)
+ /* nothing */;
/* Then the data itself.. */
stream.next_in = buf;
diff --combined t/t4013-diff-various.sh
index b453b42af7b0836d8c523352fe3b1f34e30f363e,4e7d68dda28a54cdc4f46e11717e113fa8dd479c..9eec754221d85856613b01ec878ef4cb492aceb0
+++ b/t/t4013-diff-various.sh
export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
mkdir dir &&
+ mkdir dir2 &&
for i in 1 2 3; do echo $i; done >file0 &&
for i in A B; do echo $i; done >dir/sub &&
cat file0 >file2 &&
format-patch --inline --stdout initial..master^
format-patch --inline --stdout initial..master
format-patch --inline --stdout --subject-prefix=TESTCASE initial..master
+config format.subjectprefix DIFFERENT_PREFIX
+format-patch --inline --stdout initial..master^^
diff --abbrev initial..side
diff -r initial..side
diff --patch-with-raw initial..side
diff --patch-with-stat -r initial..side
diff --patch-with-raw -r initial..side
+ diff --name-status dir2 dir
EOF
test_done