mirror of
https://github.com/git/git
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e793168364
provide a command-line utility for inspecting individual tables, and inspecting a complete ref database Signed-off-by: Han-Wen Nienhuys <hanwen@google.com> Helped-by: Carlo Marcelo Arenas Belón <carenas@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
107 lines
2.3 KiB
C
107 lines
2.3 KiB
C
/*
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Copyright 2020 Google LLC
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Use of this source code is governed by a BSD-style
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license that can be found in the LICENSE file or at
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https://developers.google.com/open-source/licenses/bsd
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*/
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#include "git-compat-util.h"
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#include "hash.h"
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#include "reftable-blocksource.h"
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#include "reftable-error.h"
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#include "reftable-merged.h"
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#include "reftable-record.h"
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#include "reftable-tests.h"
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#include "reftable-writer.h"
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#include "reftable-iterator.h"
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#include "reftable-reader.h"
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#include "reftable-stack.h"
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#include "reftable-generic.h"
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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static int compact_stack(const char *stackdir)
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{
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struct reftable_stack *stack = NULL;
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struct reftable_write_options cfg = { 0 };
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int err = reftable_new_stack(&stack, stackdir, cfg);
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if (err < 0)
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goto done;
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err = reftable_stack_compact_all(stack, NULL);
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if (err < 0)
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goto done;
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done:
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if (stack) {
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reftable_stack_destroy(stack);
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}
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return err;
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}
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static void print_help(void)
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{
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printf("usage: dump [-cst] arg\n\n"
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"options: \n"
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" -c compact\n"
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" -t dump table\n"
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" -s dump stack\n"
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" -6 sha256 hash format\n"
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" -h this help\n"
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"\n");
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}
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int reftable_dump_main(int argc, char *const *argv)
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{
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int err = 0;
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int opt_dump_table = 0;
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int opt_dump_stack = 0;
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int opt_compact = 0;
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uint32_t opt_hash_id = GIT_SHA1_FORMAT_ID;
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const char *arg = NULL, *argv0 = argv[0];
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for (; argc > 1; argv++, argc--)
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if (*argv[1] != '-')
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break;
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else if (!strcmp("-t", argv[1]))
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opt_dump_table = 1;
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else if (!strcmp("-6", argv[1]))
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opt_hash_id = GIT_SHA256_FORMAT_ID;
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else if (!strcmp("-s", argv[1]))
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opt_dump_stack = 1;
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else if (!strcmp("-c", argv[1]))
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opt_compact = 1;
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else if (!strcmp("-?", argv[1]) || !strcmp("-h", argv[1])) {
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print_help();
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return 2;
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}
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if (argc != 2) {
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fprintf(stderr, "need argument\n");
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print_help();
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return 2;
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}
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arg = argv[1];
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if (opt_dump_table) {
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err = reftable_reader_print_file(arg);
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} else if (opt_dump_stack) {
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err = reftable_stack_print_directory(arg, opt_hash_id);
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} else if (opt_compact) {
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err = compact_stack(arg);
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}
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if (err < 0) {
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fprintf(stderr, "%s: %s: %s\n", argv0, arg,
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reftable_error_str(err));
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return 1;
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}
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return 0;
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}
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