1 files changed, 0 insertions, 721 deletions

diff --git a/third_party/git/builtin/cat-file.c b/third_party/git/builtin/cat-file.c
deleted file mode 100644
index 5ebf13359e83..000000000000
--- a/third_party/git/builtin/cat-file.c
+++ /dev/null
@@ -1,721 +0,0 @@
-/*
- * GIT - The information manager from hell
- *
- * Copyright (C) Linus Torvalds, 2005
- */
-#define USE_THE_INDEX_COMPATIBILITY_MACROS
-#include "cache.h"
-#include "config.h"
-#include "builtin.h"
-#include "diff.h"
-#include "parse-options.h"
-#include "userdiff.h"
-#include "streaming.h"
-#include "tree-walk.h"
-#include "oid-array.h"
-#include "packfile.h"
-#include "object-store.h"
-#include "promisor-remote.h"
-
-struct batch_options {
-	int enabled;
-	int follow_symlinks;
-	int print_contents;
-	int buffer_output;
-	int all_objects;
-	int unordered;
-	int cmdmode; /* may be 'w' or 'c' for --filters or --textconv */
-	const char *format;
-};
-
-static const char *force_path;
-
-static int filter_object(const char *path, unsigned mode,
-			 const struct object_id *oid,
-			 char **buf, unsigned long *size)
-{
-	enum object_type type;
-
-	*buf = read_object_file(oid, &type, size);
-	if (!*buf)
-		return error(_("cannot read object %s '%s'"),
-			     oid_to_hex(oid), path);
-	if ((type == OBJ_BLOB) && S_ISREG(mode)) {
-		struct strbuf strbuf = STRBUF_INIT;
-		struct checkout_metadata meta;
-
-		init_checkout_metadata(&meta, NULL, NULL, oid);
-		if (convert_to_working_tree(&the_index, path, *buf, *size, &strbuf, &meta)) {
-			free(*buf);
-			*size = strbuf.len;
-			*buf = strbuf_detach(&strbuf, NULL);
-		}
-	}
-
-	return 0;
-}
-
-static int stream_blob(const struct object_id *oid)
-{
-	if (stream_blob_to_fd(1, oid, NULL, 0))
-		die("unable to stream %s to stdout", oid_to_hex(oid));
-	return 0;
-}
-
-static int cat_one_file(int opt, const char *exp_type, const char *obj_name,
-			int unknown_type)
-{
-	struct object_id oid;
-	enum object_type type;
-	char *buf;
-	unsigned long size;
-	struct object_context obj_context;
-	struct object_info oi = OBJECT_INFO_INIT;
-	struct strbuf sb = STRBUF_INIT;
-	unsigned flags = OBJECT_INFO_LOOKUP_REPLACE;
-	const char *path = force_path;
-
-	if (unknown_type)
-		flags |= OBJECT_INFO_ALLOW_UNKNOWN_TYPE;
-
-	if (get_oid_with_context(the_repository, obj_name,
-				 GET_OID_RECORD_PATH,
-				 &oid, &obj_context))
-		die("Not a valid object name %s", obj_name);
-
-	if (!path)
-		path = obj_context.path;
-	if (obj_context.mode == S_IFINVALID)
-		obj_context.mode = 0100644;
-
-	buf = NULL;
-	switch (opt) {
-	case 't':
-		oi.type_name = &sb;
-		if (oid_object_info_extended(the_repository, &oid, &oi, flags) < 0)
-			die("git cat-file: could not get object info");
-		if (sb.len) {
-			printf("%s\n", sb.buf);
-			strbuf_release(&sb);
-			return 0;
-		}
-		break;
-
-	case 's':
-		oi.sizep = &size;
-		if (oid_object_info_extended(the_repository, &oid, &oi, flags) < 0)
-			die("git cat-file: could not get object info");
-		printf("%"PRIuMAX"\n", (uintmax_t)size);
-		return 0;
-
-	case 'e':
-		return !has_object_file(&oid);
-
-	case 'w':
-		if (!path)
-			die("git cat-file --filters %s: <object> must be "
-			    "<sha1:path>", obj_name);
-
-		if (filter_object(path, obj_context.mode,
-				  &oid, &buf, &size))
-			return -1;
-		break;
-
-	case 'c':
-		if (!path)
-			die("git cat-file --textconv %s: <object> must be <sha1:path>",
-			    obj_name);
-
-		if (textconv_object(the_repository, path, obj_context.mode,
-				    &oid, 1, &buf, &size))
-			break;
-		/* else fallthrough */
-
-	case 'p':
-		type = oid_object_info(the_repository, &oid, NULL);
-		if (type < 0)
-			die("Not a valid object name %s", obj_name);
-
-		/* custom pretty-print here */
-		if (type == OBJ_TREE) {
-			const char *ls_args[3] = { NULL };
-			ls_args[0] =  "ls-tree";
-			ls_args[1] =  obj_name;
-			return cmd_ls_tree(2, ls_args, NULL);
-		}
-
-		if (type == OBJ_BLOB)
-			return stream_blob(&oid);
-		buf = read_object_file(&oid, &type, &size);
-		if (!buf)
-			die("Cannot read object %s", obj_name);
-
-		/* otherwise just spit out the data */
-		break;
-
-	case 0:
-		if (type_from_string(exp_type) == OBJ_BLOB) {
-			struct object_id blob_oid;
-			if (oid_object_info(the_repository, &oid, NULL) == OBJ_TAG) {
-				char *buffer = read_object_file(&oid, &type,
-								&size);
-				const char *target;
-				if (!skip_prefix(buffer, "object ", &target) ||
-				    get_oid_hex(target, &blob_oid))
-					die("%s not a valid tag", oid_to_hex(&oid));
-				free(buffer);
-			} else
-				oidcpy(&blob_oid, &oid);
-
-			if (oid_object_info(the_repository, &blob_oid, NULL) == OBJ_BLOB)
-				return stream_blob(&blob_oid);
-			/*
-			 * we attempted to dereference a tag to a blob
-			 * and failed; there may be new dereference
-			 * mechanisms this code is not aware of.
-			 * fall-back to the usual case.
-			 */
-		}
-		buf = read_object_with_reference(the_repository,
-						 &oid, exp_type, &size, NULL);
-		break;
-
-	default:
-		die("git cat-file: unknown option: %s", exp_type);
-	}
-
-	if (!buf)
-		die("git cat-file %s: bad file", obj_name);
-
-	write_or_die(1, buf, size);
-	free(buf);
-	free(obj_context.path);
-	return 0;
-}
-
-struct expand_data {
-	struct object_id oid;
-	enum object_type type;
-	unsigned long size;
-	off_t disk_size;
-	const char *rest;
-	struct object_id delta_base_oid;
-
-	/*
-	 * If mark_query is true, we do not expand anything, but rather
-	 * just mark the object_info with items we wish to query.
-	 */
-	int mark_query;
-
-	/*
-	 * Whether to split the input on whitespace before feeding it to
-	 * get_sha1; this is decided during the mark_query phase based on
-	 * whether we have a %(rest) token in our format.
-	 */
-	int split_on_whitespace;
-
-	/*
-	 * After a mark_query run, this object_info is set up to be
-	 * passed to oid_object_info_extended. It will point to the data
-	 * elements above, so you can retrieve the response from there.
-	 */
-	struct object_info info;
-
-	/*
-	 * This flag will be true if the requested batch format and options
-	 * don't require us to call oid_object_info, which can then be
-	 * optimized out.
-	 */
-	unsigned skip_object_info : 1;
-};
-
-static int is_atom(const char *atom, const char *s, int slen)
-{
-	int alen = strlen(atom);
-	return alen == slen && !memcmp(atom, s, alen);
-}
-
-static void expand_atom(struct strbuf *sb, const char *atom, int len,
-			void *vdata)
-{
-	struct expand_data *data = vdata;
-
-	if (is_atom("objectname", atom, len)) {
-		if (!data->mark_query)
-			strbuf_addstr(sb, oid_to_hex(&data->oid));
-	} else if (is_atom("objecttype", atom, len)) {
-		if (data->mark_query)
-			data->info.typep = &data->type;
-		else
-			strbuf_addstr(sb, type_name(data->type));
-	} else if (is_atom("objectsize", atom, len)) {
-		if (data->mark_query)
-			data->info.sizep = &data->size;
-		else
-			strbuf_addf(sb, "%"PRIuMAX , (uintmax_t)data->size);
-	} else if (is_atom("objectsize:disk", atom, len)) {
-		if (data->mark_query)
-			data->info.disk_sizep = &data->disk_size;
-		else
-			strbuf_addf(sb, "%"PRIuMAX, (uintmax_t)data->disk_size);
-	} else if (is_atom("rest", atom, len)) {
-		if (data->mark_query)
-			data->split_on_whitespace = 1;
-		else if (data->rest)
-			strbuf_addstr(sb, data->rest);
-	} else if (is_atom("deltabase", atom, len)) {
-		if (data->mark_query)
-			data->info.delta_base_oid = &data->delta_base_oid;
-		else
-			strbuf_addstr(sb,
-				      oid_to_hex(&data->delta_base_oid));
-	} else
-		die("unknown format element: %.*s", len, atom);
-}
-
-static size_t expand_format(struct strbuf *sb, const char *start, void *data)
-{
-	const char *end;
-
-	if (*start != '(')
-		return 0;
-	end = strchr(start + 1, ')');
-	if (!end)
-		die("format element '%s' does not end in ')'", start);
-
-	expand_atom(sb, start + 1, end - start - 1, data);
-
-	return end - start + 1;
-}
-
-static void batch_write(struct batch_options *opt, const void *data, int len)
-{
-	if (opt->buffer_output) {
-		if (fwrite(data, 1, len, stdout) != len)
-			die_errno("unable to write to stdout");
-	} else
-		write_or_die(1, data, len);
-}
-
-static void print_object_or_die(struct batch_options *opt, struct expand_data *data)
-{
-	const struct object_id *oid = &data->oid;
-
-	assert(data->info.typep);
-
-	if (data->type == OBJ_BLOB) {
-		if (opt->buffer_output)
-			fflush(stdout);
-		if (opt->cmdmode) {
-			char *contents;
-			unsigned long size;
-
-			if (!data->rest)
-				die("missing path for '%s'", oid_to_hex(oid));
-
-			if (opt->cmdmode == 'w') {
-				if (filter_object(data->rest, 0100644, oid,
-						  &contents, &size))
-					die("could not convert '%s' %s",
-					    oid_to_hex(oid), data->rest);
-			} else if (opt->cmdmode == 'c') {
-				enum object_type type;
-				if (!textconv_object(the_repository,
-						     data->rest, 0100644, oid,
-						     1, &contents, &size))
-					contents = read_object_file(oid,
-								    &type,
-								    &size);
-				if (!contents)
-					die("could not convert '%s' %s",
-					    oid_to_hex(oid), data->rest);
-			} else
-				BUG("invalid cmdmode: %c", opt->cmdmode);
-			batch_write(opt, contents, size);
-			free(contents);
-		} else {
-			stream_blob(oid);
-		}
-	}
-	else {
-		enum object_type type;
-		unsigned long size;
-		void *contents;
-
-		contents = read_object_file(oid, &type, &size);
-		if (!contents)
-			die("object %s disappeared", oid_to_hex(oid));
-		if (type != data->type)
-			die("object %s changed type!?", oid_to_hex(oid));
-		if (data->info.sizep && size != data->size)
-			die("object %s changed size!?", oid_to_hex(oid));
-
-		batch_write(opt, contents, size);
-		free(contents);
-	}
-}
-
-static void batch_object_write(const char *obj_name,
-			       struct strbuf *scratch,
-			       struct batch_options *opt,
-			       struct expand_data *data)
-{
-	if (!data->skip_object_info &&
-	    oid_object_info_extended(the_repository, &data->oid, &data->info,
-				     OBJECT_INFO_LOOKUP_REPLACE) < 0) {
-		printf("%s missing\n",
-		       obj_name ? obj_name : oid_to_hex(&data->oid));
-		fflush(stdout);
-		return;
-	}
-
-	strbuf_reset(scratch);
-	strbuf_expand(scratch, opt->format, expand_format, data);
-	strbuf_addch(scratch, '\n');
-	batch_write(opt, scratch->buf, scratch->len);
-
-	if (opt->print_contents) {
-		print_object_or_die(opt, data);
-		batch_write(opt, "\n", 1);
-	}
-}
-
-static void batch_one_object(const char *obj_name,
-			     struct strbuf *scratch,
-			     struct batch_options *opt,
-			     struct expand_data *data)
-{
-	struct object_context ctx;
-	int flags = opt->follow_symlinks ? GET_OID_FOLLOW_SYMLINKS : 0;
-	enum get_oid_result result;
-
-	result = get_oid_with_context(the_repository, obj_name,
-				      flags, &data->oid, &ctx);
-	if (result != FOUND) {
-		switch (result) {
-		case MISSING_OBJECT:
-			printf("%s missing\n", obj_name);
-			break;
-		case SHORT_NAME_AMBIGUOUS:
-			printf("%s ambiguous\n", obj_name);
-			break;
-		case DANGLING_SYMLINK:
-			printf("dangling %"PRIuMAX"\n%s\n",
-			       (uintmax_t)strlen(obj_name), obj_name);
-			break;
-		case SYMLINK_LOOP:
-			printf("loop %"PRIuMAX"\n%s\n",
-			       (uintmax_t)strlen(obj_name), obj_name);
-			break;
-		case NOT_DIR:
-			printf("notdir %"PRIuMAX"\n%s\n",
-			       (uintmax_t)strlen(obj_name), obj_name);
-			break;
-		default:
-			BUG("unknown get_sha1_with_context result %d\n",
-			       result);
-			break;
-		}
-		fflush(stdout);
-		return;
-	}
-
-	if (ctx.mode == 0) {
-		printf("symlink %"PRIuMAX"\n%s\n",
-		       (uintmax_t)ctx.symlink_path.len,
-		       ctx.symlink_path.buf);
-		fflush(stdout);
-		return;
-	}
-
-	batch_object_write(obj_name, scratch, opt, data);
-}
-
-struct object_cb_data {
-	struct batch_options *opt;
-	struct expand_data *expand;
-	struct oidset *seen;
-	struct strbuf *scratch;
-};
-
-static int batch_object_cb(const struct object_id *oid, void *vdata)
-{
-	struct object_cb_data *data = vdata;
-	oidcpy(&data->expand->oid, oid);
-	batch_object_write(NULL, data->scratch, data->opt, data->expand);
-	return 0;
-}
-
-static int collect_loose_object(const struct object_id *oid,
-				const char *path,
-				void *data)
-{
-	oid_array_append(data, oid);
-	return 0;
-}
-
-static int collect_packed_object(const struct object_id *oid,
-				 struct packed_git *pack,
-				 uint32_t pos,
-				 void *data)
-{
-	oid_array_append(data, oid);
-	return 0;
-}
-
-static int batch_unordered_object(const struct object_id *oid, void *vdata)
-{
-	struct object_cb_data *data = vdata;
-
-	if (oidset_insert(data->seen, oid))
-		return 0;
-
-	return batch_object_cb(oid, data);
-}
-
-static int batch_unordered_loose(const struct object_id *oid,
-				 const char *path,
-				 void *data)
-{
-	return batch_unordered_object(oid, data);
-}
-
-static int batch_unordered_packed(const struct object_id *oid,
-				  struct packed_git *pack,
-				  uint32_t pos,
-				  void *data)
-{
-	return batch_unordered_object(oid, data);
-}
-
-static int batch_objects(struct batch_options *opt)
-{
-	struct strbuf input = STRBUF_INIT;
-	struct strbuf output = STRBUF_INIT;
-	struct expand_data data;
-	int save_warning;
-	int retval = 0;
-
-	if (!opt->format)
-		opt->format = "%(objectname) %(objecttype) %(objectsize)";
-
-	/*
-	 * Expand once with our special mark_query flag, which will prime the
-	 * object_info to be handed to oid_object_info_extended for each
-	 * object.
-	 */
-	memset(&data, 0, sizeof(data));
-	data.mark_query = 1;
-	strbuf_expand(&output, opt->format, expand_format, &data);
-	data.mark_query = 0;
-	strbuf_release(&output);
-	if (opt->cmdmode)
-		data.split_on_whitespace = 1;
-
-	if (opt->all_objects) {
-		struct object_info empty = OBJECT_INFO_INIT;
-		if (!memcmp(&data.info, &empty, sizeof(empty)))
-			data.skip_object_info = 1;
-	}
-
-	/*
-	 * If we are printing out the object, then always fill in the type,
-	 * since we will want to decide whether or not to stream.
-	 */
-	if (opt->print_contents)
-		data.info.typep = &data.type;
-
-	if (opt->all_objects) {
-		struct object_cb_data cb;
-
-		if (has_promisor_remote())
-			warning("This repository uses promisor remotes. Some objects may not be loaded.");
-
-		cb.opt = opt;
-		cb.expand = &data;
-		cb.scratch = &output;
-
-		if (opt->unordered) {
-			struct oidset seen = OIDSET_INIT;
-
-			cb.seen = &seen;
-
-			for_each_loose_object(batch_unordered_loose, &cb, 0);
-			for_each_packed_object(batch_unordered_packed, &cb,
-					       FOR_EACH_OBJECT_PACK_ORDER);
-
-			oidset_clear(&seen);
-		} else {
-			struct oid_array sa = OID_ARRAY_INIT;
-
-			for_each_loose_object(collect_loose_object, &sa, 0);
-			for_each_packed_object(collect_packed_object, &sa, 0);
-
-			oid_array_for_each_unique(&sa, batch_object_cb, &cb);
-
-			oid_array_clear(&sa);
-		}
-
-		strbuf_release(&output);
-		return 0;
-	}
-
-	/*
-	 * We are going to call get_sha1 on a potentially very large number of
-	 * objects. In most large cases, these will be actual object sha1s. The
-	 * cost to double-check that each one is not also a ref (just so we can
-	 * warn) ends up dwarfing the actual cost of the object lookups
-	 * themselves. We can work around it by just turning off the warning.
-	 */
-	save_warning = warn_on_object_refname_ambiguity;
-	warn_on_object_refname_ambiguity = 0;
-
-	while (strbuf_getline(&input, stdin) != EOF) {
-		if (data.split_on_whitespace) {
-			/*
-			 * Split at first whitespace, tying off the beginning
-			 * of the string and saving the remainder (or NULL) in
-			 * data.rest.
-			 */
-			char *p = strpbrk(input.buf, " \t");
-			if (p) {
-				while (*p && strchr(" \t", *p))
-					*p++ = '\0';
-			}
-			data.rest = p;
-		}
-
-		batch_one_object(input.buf, &output, opt, &data);
-	}
-
-	strbuf_release(&input);
-	strbuf_release(&output);
-	warn_on_object_refname_ambiguity = save_warning;
-	return retval;
-}
-
-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[=<format>] | --batch-check[=<format>]) [--follow-symlinks] [--textconv | --filters]"),
-	NULL
-};
-
-static int git_cat_file_config(const char *var, const char *value, void *cb)
-{
-	if (userdiff_config(var, value) < 0)
-		return -1;
-
-	return git_default_config(var, value, cb);
-}
-
-static int batch_option_callback(const struct option *opt,
-				 const char *arg,
-				 int unset)
-{
-	struct batch_options *bo = opt->value;
-
-	BUG_ON_OPT_NEG(unset);
-
-	if (bo->enabled) {
-		return error(_("only one batch option may be specified"));
-	}
-
-	bo->enabled = 1;
-	bo->print_contents = !strcmp(opt->long_name, "batch");
-	bo->format = arg;
-
-	return 0;
-}
-
-int cmd_cat_file(int argc, const char **argv, const char *prefix)
-{
-	int opt = 0;
-	const char *exp_type = NULL, *obj_name = NULL;
-	struct batch_options batch = {0};
-	int unknown_type = 0;
-
-	const struct option options[] = {
-		OPT_GROUP(N_("<type> can be one of: blob, tree, commit, tag")),
-		OPT_CMDMODE('t', NULL, &opt, N_("show object type"), 't'),
-		OPT_CMDMODE('s', NULL, &opt, N_("show object size"), 's'),
-		OPT_CMDMODE('e', NULL, &opt,
-			    N_("exit with zero when there's no error"), 'e'),
-		OPT_CMDMODE('p', NULL, &opt, N_("pretty-print object's content"), 'p'),
-		OPT_CMDMODE(0, "textconv", &opt,
-			    N_("for blob objects, run textconv on object's content"), 'c'),
-		OPT_CMDMODE(0, "filters", &opt,
-			    N_("for blob objects, run filters on object's content"), 'w'),
-		OPT_STRING(0, "path", &force_path, N_("blob"),
-			   N_("use a specific path for --textconv/--filters")),
-		OPT_BOOL(0, "allow-unknown-type", &unknown_type,
-			  N_("allow -s and -t to work with broken/corrupt objects")),
-		OPT_BOOL(0, "buffer", &batch.buffer_output, N_("buffer --batch output")),
-		OPT_CALLBACK_F(0, "batch", &batch, "format",
-			N_("show info and content of objects fed from the standard input"),
-			PARSE_OPT_OPTARG | PARSE_OPT_NONEG,
-			batch_option_callback),
-		OPT_CALLBACK_F(0, "batch-check", &batch, "format",
-			N_("show info about objects fed from the standard input"),
-			PARSE_OPT_OPTARG | PARSE_OPT_NONEG,
-			batch_option_callback),
-		OPT_BOOL(0, "follow-symlinks", &batch.follow_symlinks,
-			 N_("follow in-tree symlinks (used with --batch or --batch-check)")),
-		OPT_BOOL(0, "batch-all-objects", &batch.all_objects,
-			 N_("show all objects with --batch or --batch-check")),
-		OPT_BOOL(0, "unordered", &batch.unordered,
-			 N_("do not order --batch-all-objects output")),
-		OPT_END()
-	};
-
-	git_config(git_cat_file_config, NULL);
-
-	batch.buffer_output = -1;
-	argc = parse_options(argc, argv, prefix, options, cat_file_usage, 0);
-
-	if (opt) {
-		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);
-	}
-	if (!opt && !batch.enabled) {
-		if (argc == 2) {
-			exp_type = argv[0];
-			obj_name = argv[1];
-		} else
-			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) {
-		usage_with_options(cat_file_usage, options);
-	}
-
-	if (force_path && opt != 'c' && opt != 'w') {
-		error("--path=<path> needs --textconv or --filters");
-		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;
-
-	if (batch.enabled)
-		return batch_objects(&batch);
-
-	if (unknown_type && opt != 't' && opt != 's')
-		die("git cat-file --allow-unknown-type: use with -s or -t");
-	return cat_one_file(opt, exp_type, obj_name, unknown_type);
-}