mirror of
https://github.com/git/git.git
synced 2024-11-23 18:05:29 +08:00
cat-file: support --textconv/--filters in batch mode
With this patch, --batch can be combined with --textconv or --filters. For this to work, the input needs to have the form <object name><single white space><path> so that the filters can be chosen appropriately. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin
Junio C Hamano
parent
7bcf341453
commit
321459439e
@ -10,7 +10,7 @@ SYNOPSIS
|
||||
--------
|
||||
[verse]
|
||||
'git cat-file' (-t [--allow-unknown-type]| -s [--allow-unknown-type]| -e | -p | <type> | --textconv | --filters ) [--path=<path>] <object>
|
||||
'git cat-file' (--batch | --batch-check) [--follow-symlinks]
|
||||
'git cat-file' (--batch | --batch-check) [ --textconv | --filters ] [--follow-symlinks]
|
||||
|
||||
DESCRIPTION
|
||||
-----------
|
||||
@ -20,7 +20,11 @@ object type, or `-s` is used to find the object size, or `--textconv` or
|
||||
`--filters` is used (which imply type "blob").
|
||||
|
||||
In the second form, a list of objects (separated by linefeeds) is provided on
|
||||
stdin, and the SHA-1, type, and size of each object is printed on stdout.
|
||||
stdin, and the SHA-1, type, and size of each object is printed on stdout. The
|
||||
output format can be overridden using the optional `<format>` argument. If
|
||||
either `--textconv` or `--filters` was specified, the input is expected to
|
||||
list the object names followed by the path name, separated by a single white
|
||||
space, so that the appropriate drivers can be determined.
|
||||
|
||||
OPTIONS
|
||||
-------
|
||||
@ -72,13 +76,17 @@ OPTIONS
|
||||
--batch::
|
||||
--batch=<format>::
|
||||
Print object information and contents for each object provided
|
||||
on stdin. May not be combined with any other options or arguments.
|
||||
See the section `BATCH OUTPUT` below for details.
|
||||
on stdin. May not be combined with any other options or arguments
|
||||
except `--textconv` or `--filters`, in which case the input lines
|
||||
also need to specify the path, separated by white space. See the
|
||||
section `BATCH OUTPUT` below for details.
|
||||
|
||||
--batch-check::
|
||||
--batch-check=<format>::
|
||||
Print object information for each object provided on stdin. May
|
||||
not be combined with any other options or arguments. See the
|
||||
not be combined with any other options or arguments except
|
||||
`--textconv` or `--filters`, in which case the input lines also
|
||||
need to specify the path, separated by white space. See the
|
||||
section `BATCH OUTPUT` below for details.
|
||||
|
||||
--batch-all-objects::
|
||||
|
||||
@ -17,6 +17,7 @@ struct batch_options {
|
||||
int print_contents;
|
||||
int buffer_output;
|
||||
int all_objects;
|
||||
int cmdmode; /* may be 'w' or 'c' for --filters or --textconv */
|
||||
const char *format;
|
||||
};
|
||||
|
||||
@ -280,7 +281,32 @@ static void print_object_or_die(struct batch_options *opt, struct expand_data *d
|
||||
if (data->type == OBJ_BLOB) {
|
||||
if (opt->buffer_output)
|
||||
fflush(stdout);
|
||||
if (stream_blob_to_fd(1, sha1, NULL, 0) < 0)
|
||||
if (opt->cmdmode) {
|
||||
char *contents;
|
||||
unsigned long size;
|
||||
|
||||
if (!data->rest)
|
||||
die("missing path for '%s'", sha1_to_hex(sha1));
|
||||
|
||||
if (opt->cmdmode == 'w') {
|
||||
if (filter_object(data->rest, 0100644, sha1,
|
||||
&contents, &size))
|
||||
die("could not convert '%s' %s",
|
||||
sha1_to_hex(sha1), data->rest);
|
||||
} else if (opt->cmdmode == 'c') {
|
||||
enum object_type type;
|
||||
if (!textconv_object(data->rest, 0100644, sha1,
|
||||
1, &contents, &size))
|
||||
contents = read_sha1_file(sha1, &type,
|
||||
&size);
|
||||
if (!contents)
|
||||
die("could not convert '%s' %s",
|
||||
sha1_to_hex(sha1), data->rest);
|
||||
} else
|
||||
die("BUG: invalid cmdmode: %c", opt->cmdmode);
|
||||
batch_write(opt, contents, size);
|
||||
free(contents);
|
||||
} else if (stream_blob_to_fd(1, sha1, NULL, 0) < 0)
|
||||
die("unable to stream %s to stdout", sha1_to_hex(sha1));
|
||||
}
|
||||
else {
|
||||
@ -417,6 +443,8 @@ static int batch_objects(struct batch_options *opt)
|
||||
data.mark_query = 1;
|
||||
strbuf_expand(&buf, opt->format, expand_format, &data);
|
||||
data.mark_query = 0;
|
||||
if (opt->cmdmode)
|
||||
data.split_on_whitespace = 1;
|
||||
|
||||
if (opt->all_objects) {
|
||||
struct object_info empty;
|
||||
@ -482,7 +510,7 @@ static int batch_objects(struct batch_options *opt)
|
||||
|
||||
static const char * const cat_file_usage[] = {
|
||||
N_("git cat-file (-t [--allow-unknown-type]|-s [--allow-unknown-type]|-e|-p|<type>|--textconv|--filters) [--path=<path>] <object>"),
|
||||
N_("git cat-file (--batch | --batch-check) [--follow-symlinks]"),
|
||||
N_("git cat-file (--batch | --batch-check) [--follow-symlinks] [--textconv|--filters]"),
|
||||
NULL
|
||||
};
|
||||
|
||||
@ -553,7 +581,9 @@ int cmd_cat_file(int argc, const char **argv, const char *prefix)
|
||||
argc = parse_options(argc, argv, prefix, options, cat_file_usage, 0);
|
||||
|
||||
if (opt) {
|
||||
if (argc == 1)
|
||||
if (batch.enabled && (opt == 'c' || opt == 'w'))
|
||||
batch.cmdmode = opt;
|
||||
else if (argc == 1)
|
||||
obj_name = argv[0];
|
||||
else
|
||||
usage_with_options(cat_file_usage, options);
|
||||
@ -565,8 +595,12 @@ int cmd_cat_file(int argc, const char **argv, const char *prefix)
|
||||
} else
|
||||
usage_with_options(cat_file_usage, options);
|
||||
}
|
||||
if (batch.enabled && (opt || argc)) {
|
||||
usage_with_options(cat_file_usage, options);
|
||||
if (batch.enabled) {
|
||||
if (batch.cmdmode != opt || argc)
|
||||
usage_with_options(cat_file_usage, options);
|
||||
if (batch.cmdmode && batch.all_objects)
|
||||
die("--batch-all-objects cannot be combined with "
|
||||
"--textconv nor with --filters");
|
||||
}
|
||||
|
||||
if ((batch.follow_symlinks || batch.all_objects) && !batch.enabled) {
|
||||
@ -578,6 +612,11 @@ int cmd_cat_file(int argc, const char **argv, const char *prefix)
|
||||
usage_with_options(cat_file_usage, options);
|
||||
}
|
||||
|
||||
if (force_path && batch.enabled) {
|
||||
error("--path=<path> incompatible with --batch");
|
||||
usage_with_options(cat_file_usage, options);
|
||||
}
|
||||
|
||||
if (batch.buffer_output < 0)
|
||||
batch.buffer_output = batch.all_objects;
|
||||
|
||||
|
||||
@ -51,4 +51,14 @@ test_expect_success '--path=<path> complains without --textconv/--filters' '
|
||||
grep "path.*needs.*filters" err
|
||||
'
|
||||
|
||||
test_expect_success 'cat-file --textconv --batch works' '
|
||||
sha1=$(git rev-parse -q --verify HEAD:world.txt) &&
|
||||
test_config diff.txt.textconv "tr A-Za-z N-ZA-Mn-za-m <" &&
|
||||
printf "%s hello.txt\n%s hello\n" $sha1 $sha1 |
|
||||
git cat-file --textconv --batch >actual &&
|
||||
printf "%s blob 6\nuryyb\r\n\n%s blob 6\nhello\n\n" \
|
||||
$sha1 $sha1 >expect &&
|
||||
test_cmp expect actual
|
||||
'
|
||||
|
||||
test_done
|
||||
|
||||
Loading…
Reference in New Issue
Block a user