mirror of
https://git.proxmox.com/git/libgit2
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127 lines
2.8 KiB
C
127 lines
2.8 KiB
C
/*
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* Copyright (C) the libgit2 contributors. All rights reserved.
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*
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* This file is part of libgit2, distributed under the GNU GPL v2 with
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* a Linking Exception. For full terms see the included COPYING file.
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*/
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#include <git2.h>
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#include <git2/sys/config.h>
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#include "git2_util.h"
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#include "vector.h"
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#include "common.h"
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#include "error.h"
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static int parse_option(cli_opt *opt, void *data)
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{
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git_str kv = GIT_STR_INIT, env = GIT_STR_INIT;
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git_vector *cmdline_config = data;
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int error = 0;
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if (opt->spec && opt->spec->alias == 'c') {
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if (git_str_puts(&kv, opt->value) < 0) {
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error = cli_error_git();
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goto done;
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}
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}
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else if (opt->spec && !strcmp(opt->spec->name, "config-env")) {
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char *val = strchr(opt->value, '=');
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if (val == NULL || *(val + 1) == '\0') {
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error = cli_error("invalid config format: '%s'", opt->value);
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goto done;
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}
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if (git_str_put(&kv, opt->value, (val - opt->value)) < 0) {
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error = cli_error_git();
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goto done;
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}
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val++;
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if ((error = git__getenv(&env, val)) == GIT_ENOTFOUND) {
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error = cli_error("missing environment variable '%s' for configuration '%s'", val, kv.ptr);
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goto done;
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} else if (error) {
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error = cli_error_git();
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goto done;
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}
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if (git_str_putc(&kv, '=') < 0 ||
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git_str_puts(&kv, env.ptr) < 0) {
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error = cli_error_git();
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goto done;
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}
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}
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if (kv.size > 0 &&
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git_vector_insert(cmdline_config, git_str_detach(&kv)) < 0)
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error = cli_error_git();
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done:
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git_str_dispose(&env);
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git_str_dispose(&kv);
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return error;
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}
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static int parse_common_options(
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git_repository *repo,
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cli_repository_open_options *opts)
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{
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cli_opt_spec common_opts[] = {
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{ CLI_COMMON_OPT_CONFIG },
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{ CLI_COMMON_OPT_CONFIG_ENV },
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{ 0 }
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};
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git_config_backend_memory_options config_opts =
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GIT_CONFIG_BACKEND_MEMORY_OPTIONS_INIT;
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git_vector cmdline = GIT_VECTOR_INIT;
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git_config *config = NULL;
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git_config_backend *backend = NULL;
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int error = 0;
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config_opts.backend_type = "command line";
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if ((error = cli_opt_foreach(common_opts, opts->args,
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opts->args_len, CLI_OPT_PARSE_GNU, parse_option,
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&cmdline)) < 0)
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goto done;
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if (git_vector_length(&cmdline) == 0)
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goto done;
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if (git_repository_config(&config, repo) < 0 ||
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git_config_backend_from_values(&backend,
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(const char **)cmdline.contents, cmdline.length,
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&config_opts) < 0 ||
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git_config_add_backend(config, backend, GIT_CONFIG_LEVEL_APP,
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repo, 0) < 0)
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error = cli_error_git();
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done:
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if (error && backend)
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backend->free(backend);
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git_config_free(config);
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git_vector_free_deep(&cmdline);
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return error;
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}
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int cli_repository_open(
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git_repository **out,
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cli_repository_open_options *opts)
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{
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git_repository *repo;
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if (git_repository_open_ext(&repo, ".", GIT_REPOSITORY_OPEN_FROM_ENV, NULL) < 0)
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return -1;
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if (opts && parse_common_options(repo, opts) < 0)
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return -1;
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*out = repo;
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return 0;
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}
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