diff options
| -rw-r--r-- | add-patch.c | 4 | ||||
| -rw-r--r-- | archive-tar.c | 9 | ||||
| -rw-r--r-- | builtin/add.c | 7 | ||||
| -rw-r--r-- | builtin/difftool.c | 14 | ||||
| -rw-r--r-- | builtin/fsck.c | 12 | ||||
| -rw-r--r-- | builtin/help.c | 3 | ||||
| -rw-r--r-- | builtin/merge.c | 3 | ||||
| -rw-r--r-- | builtin/notes.c | 5 | ||||
| -rw-r--r-- | builtin/receive-pack.c | 80 | ||||
| -rw-r--r-- | builtin/replace.c | 3 | ||||
| -rw-r--r-- | builtin/upload-archive.c | 5 | ||||
| -rw-r--r-- | builtin/worktree.c | 13 | ||||
| -rw-r--r-- | connected.c | 3 | ||||
| -rw-r--r-- | daemon.c | 20 | ||||
| -rw-r--r-- | diff.c | 8 | ||||
| -rw-r--r-- | editor.c | 8 | ||||
| -rw-r--r-- | http-backend.c | 2 | ||||
| -rw-r--r-- | http.c | 5 | ||||
| -rw-r--r-- | object-file.c | 2 | ||||
| -rw-r--r-- | prompt.c | 7 | ||||
| -rw-r--r-- | remote-curl.c | 2 | ||||
| -rw-r--r-- | run-command.c | 62 | ||||
| -rw-r--r-- | run-command.h | 54 | ||||
| -rw-r--r-- | sequencer.c | 10 | ||||
| -rw-r--r-- | sub-process.c | 2 | ||||
| -rw-r--r-- | t/helper/test-run-command.c | 9 | ||||
| -rw-r--r-- | t/helper/test-subprocess.c | 2 | ||||
| -rw-r--r-- | trace2/tr2_tgt_event.c | 2 | ||||
| -rw-r--r-- | trace2/tr2_tgt_normal.c | 2 | ||||
| -rw-r--r-- | trace2/tr2_tgt_perf.c | 4 | ||||
| -rw-r--r-- | trailer.c | 2 | ||||
| -rw-r--r-- | transport.c | 11 | ||||
| -rw-r--r-- | upload-pack.c | 5 |
33 files changed, 157 insertions, 223 deletions
diff --git a/add-patch.c b/add-patch.c index 8c41cdfe39..573eef0cc4 100644 --- a/add-patch.c +++ b/add-patch.c @@ -413,7 +413,7 @@ static int parse_diff(struct add_p_state *s, const struct pathspec *ps) strvec_push(&args, ps->items[i].original); setup_child_process(s, &cp, NULL); - cp.argv = args.v; + strvec_pushv(&cp.args, args.v); res = capture_command(&cp, plain, 0); if (res) { strvec_clear(&args); @@ -431,7 +431,7 @@ static int parse_diff(struct add_p_state *s, const struct pathspec *ps) setup_child_process(s, &colored_cp, NULL); xsnprintf((char *)args.v[color_arg_index], 8, "--color"); - colored_cp.argv = args.v; + strvec_pushv(&colored_cp.args, args.v); colored = &s->colored; res = capture_command(&colored_cp, colored, 0); strvec_clear(&args); diff --git a/archive-tar.c b/archive-tar.c index 05d2455870..3c74db1746 100644 --- a/archive-tar.c +++ b/archive-tar.c @@ -430,7 +430,6 @@ static int write_tar_filter_archive(const struct archiver *ar, { struct strbuf cmd = STRBUF_INIT; struct child_process filter = CHILD_PROCESS_INIT; - const char *argv[2]; int r; if (!ar->data) @@ -440,14 +439,12 @@ static int write_tar_filter_archive(const struct archiver *ar, if (args->compression_level >= 0) strbuf_addf(&cmd, " -%d", args->compression_level); - argv[0] = cmd.buf; - argv[1] = NULL; - filter.argv = argv; + strvec_push(&filter.args, cmd.buf); filter.use_shell = 1; filter.in = -1; if (start_command(&filter) < 0) - die_errno(_("unable to start '%s' filter"), argv[0]); + die_errno(_("unable to start '%s' filter"), cmd.buf); close(1); if (dup2(filter.in, 1) < 0) die_errno(_("unable to redirect descriptor")); @@ -457,7 +454,7 @@ static int write_tar_filter_archive(const struct archiver *ar, close(1); if (finish_command(&filter) != 0) - die(_("'%s' filter reported error"), argv[0]); + die(_("'%s' filter reported error"), cmd.buf); strbuf_release(&cmd); return r; diff --git a/builtin/add.c b/builtin/add.c index ef6b619c45..a010b2c325 100644 --- a/builtin/add.c +++ b/builtin/add.c @@ -302,15 +302,11 @@ int interactive_add(const char **argv, const char *prefix, int patch) static int edit_patch(int argc, const char **argv, const char *prefix) { char *file = git_pathdup("ADD_EDIT.patch"); - const char *apply_argv[] = { "apply", "--recount", "--cached", - NULL, NULL }; struct child_process child = CHILD_PROCESS_INIT; struct rev_info rev; int out; struct stat st; - apply_argv[3] = file; - git_config(git_diff_basic_config, NULL); /* no "diff" UI options */ if (read_cache() < 0) @@ -338,7 +334,8 @@ static int edit_patch(int argc, const char **argv, const char *prefix) die(_("Empty patch. Aborted.")); child.git_cmd = 1; - child.argv = apply_argv; + strvec_pushl(&child.args, "apply", "--recount", "--cached", file, + NULL); if (run_command(&child)) die(_("Could not apply '%s'"), file); diff --git a/builtin/difftool.c b/builtin/difftool.c index 4931c10845..4ee40fe3a0 100644 --- a/builtin/difftool.c +++ b/builtin/difftool.c @@ -202,15 +202,10 @@ static void changed_files(struct hashmap *result, const char *index_path, { struct child_process update_index = CHILD_PROCESS_INIT; struct child_process diff_files = CHILD_PROCESS_INIT; - struct strbuf index_env = STRBUF_INIT, buf = STRBUF_INIT; - const char *git_dir = absolute_path(get_git_dir()), *env[] = { - NULL, NULL - }; + struct strbuf buf = STRBUF_INIT; + const char *git_dir = absolute_path(get_git_dir()); FILE *fp; - strbuf_addf(&index_env, "GIT_INDEX_FILE=%s", index_path); - env[0] = index_env.buf; - strvec_pushl(&update_index.args, "--git-dir", git_dir, "--work-tree", workdir, "update-index", "--really-refresh", "-q", @@ -222,7 +217,7 @@ static void changed_files(struct hashmap *result, const char *index_path, update_index.use_shell = 0; update_index.clean_on_exit = 1; update_index.dir = workdir; - update_index.env = env; + strvec_pushf(&update_index.env_array, "GIT_INDEX_FILE=%s", index_path); /* Ignore any errors of update-index */ run_command(&update_index); @@ -235,7 +230,7 @@ static void changed_files(struct hashmap *result, const char *index_path, diff_files.clean_on_exit = 1; diff_files.out = -1; diff_files.dir = workdir; - diff_files.env = env; + strvec_pushf(&diff_files.env_array, "GIT_INDEX_FILE=%s", index_path); if (start_command(&diff_files)) die("could not obtain raw diff"); fp = xfdopen(diff_files.out, "r"); @@ -248,7 +243,6 @@ static void changed_files(struct hashmap *result, const char *index_path, fclose(fp); if (finish_command(&diff_files)) die("diff-files did not exit properly"); - strbuf_release(&index_env); strbuf_release(&buf); } diff --git a/builtin/fsck.c b/builtin/fsck.c index 27b9e78094..9e54892311 100644 --- a/builtin/fsck.c +++ b/builtin/fsck.c @@ -944,15 +944,13 @@ int cmd_fsck(int argc, const char **argv, const char *prefix) if (the_repository->settings.core_commit_graph) { struct child_process commit_graph_verify = CHILD_PROCESS_INIT; - const char *verify_argv[] = { "commit-graph", "verify", NULL, NULL, NULL }; prepare_alt_odb(the_repository); for (odb = the_repository->objects->odb; odb; odb = odb->next) { child_process_init(&commit_graph_verify); - commit_graph_verify.argv = verify_argv; commit_graph_verify.git_cmd = 1; - verify_argv[2] = "--object-dir"; - verify_argv[3] = odb->path; + strvec_pushl(&commit_graph_verify.args, "commit-graph", + "verify", "--object-dir", odb->path, NULL); if (run_command(&commit_graph_verify)) errors_found |= ERROR_COMMIT_GRAPH; } @@ -960,15 +958,13 @@ int cmd_fsck(int argc, const char **argv, const char *prefix) if (the_repository->settings.core_multi_pack_index) { struct child_process midx_verify = CHILD_PROCESS_INIT; - const char *midx_argv[] = { "multi-pack-index", "verify", NULL, NULL, NULL }; prepare_alt_odb(the_repository); for (odb = the_repository->objects->odb; odb; odb = odb->next) { child_process_init(&midx_verify); - midx_verify.argv = midx_argv; midx_verify.git_cmd = 1; - midx_argv[2] = "--object-dir"; - midx_argv[3] = odb->path; + strvec_pushl(&midx_verify.args, "multi-pack-index", + "verify", "--object-dir", odb->path, NULL); if (run_command(&midx_verify)) errors_found |= ERROR_MULTI_PACK_INDEX; } diff --git a/builtin/help.c b/builtin/help.c index 75cd2fb407..d387131dd8 100644 --- a/builtin/help.c +++ b/builtin/help.c @@ -212,11 +212,10 @@ static int check_emacsclient_version(void) { struct strbuf buffer = STRBUF_INIT; struct child_process ec_process = CHILD_PROCESS_INIT; - const char *argv_ec[] = { "emacsclient", "--version", NULL }; int version; /* emacsclient prints its version number on stderr */ - ec_process.argv = argv_ec; + strvec_pushl(&ec_process.args, "emacsclient", "--version", NULL); ec_process.err = -1; ec_process.stdout_to_stderr = 1; if (start_command(&ec_process)) diff --git a/builtin/merge.c b/builtin/merge.c index ea3112e0c0..5f0476b0b7 100644 --- a/builtin/merge.c +++ b/builtin/merge.c @@ -310,10 +310,9 @@ static int save_state(struct object_id *stash) int len; struct child_process cp = CHILD_PROCESS_INIT; struct strbuf buffer = STRBUF_INIT; - const char *argv[] = {"stash", "create", NULL}; int rc = -1; - cp.argv = argv; + strvec_pushl(&cp.args, "stash", "create", NULL); cp.out = -1; cp.git_cmd = 1; diff --git a/builtin/notes.c b/builtin/notes.c index 71c59583a1..85d1abad88 100644 --- a/builtin/notes.c +++ b/builtin/notes.c @@ -134,14 +134,13 @@ static void copy_obj_to_fd(int fd, const struct object_id *oid) static void write_commented_object(int fd, const struct object_id *object) { - const char *show_args[5] = - {"show", "--stat", "--no-notes", oid_to_hex(object), NULL}; struct child_process show = CHILD_PROCESS_INIT; struct strbuf buf = STRBUF_INIT; struct strbuf cbuf = STRBUF_INIT; /* Invoke "git show --stat --no-notes $object" */ - show.argv = show_args; + strvec_pushl(&show.args, "show", "--stat", "--no-notes", + oid_to_hex(object), NULL); show.no_stdin = 1; show.out = -1; show.err = 0; diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index 49b846d960..3979752cec 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -812,16 +812,13 @@ static int run_and_feed_hook(const char *hook_name, feed_fn feed, { struct child_process proc = CHILD_PROCESS_INIT; struct async muxer; - const char *argv[2]; int code; + const char *hook_path = find_hook(hook_name); - argv[0] = find_hook(hook_name); - if (!argv[0]) + if (!hook_path) return 0; - argv[1] = NULL; - - proc.argv = argv; + strvec_push(&proc.args, hook_path); proc.in = -1; proc.stdout_to_stderr = 1; proc.trace2_hook_name = hook_name; @@ -943,23 +940,21 @@ static int run_receive_hook(struct command *commands, static int run_update_hook(struct command *cmd) { - const char *argv[5]; struct child_process proc = CHILD_PROCESS_INIT; int code; + const char *hook_path = find_hook("update"); - argv[0] = find_hook("update"); - if (!argv[0]) + if (!hook_path) return 0; - argv[1] = cmd->ref_name; - argv[2] = oid_to_hex(&cmd->old_oid); - argv[3] = oid_to_hex(&cmd->new_oid); - argv[4] = NULL; + strvec_push(&proc.args, hook_path); + strvec_push(&proc.args, cmd->ref_name); + strvec_push(&proc.args, oid_to_hex(&cmd->old_oid)); + strvec_push(&proc.args, oid_to_hex(&cmd->new_oid)); proc.no_stdin = 1; proc.stdout_to_stderr = 1; proc.err = use_sideband ? -1 : 0; - proc.argv = argv; proc.trace2_hook_name = "update"; code = start_command(&proc); @@ -1117,22 +1112,20 @@ static int run_proc_receive_hook(struct command *commands, struct child_process proc = CHILD_PROCESS_INIT; struct async muxer; struct command *cmd; - const char *argv[2]; struct packet_reader reader; struct strbuf cap = STRBUF_INIT; struct strbuf errmsg = STRBUF_INIT; int hook_use_push_options = 0; int version = 0; int code; + const char *hook_path = find_hook("proc-receive"); - argv[0] = find_hook("proc-receive"); - if (!argv[0]) { + if (!hook_path) { rp_error("cannot find hook 'proc-receive'"); return -1; } - argv[1] = NULL; - proc.argv = argv; + strvec_push(&proc.args, hook_path); proc.in = -1; proc.out = -1; proc.trace2_hook_name = "proc-receive"; @@ -1370,23 +1363,11 @@ static const char *push_to_deploy(unsigned char *sha1, struct strvec *env, const char *work_tree) { - const char *update_refresh[] = { - "update-index", "-q", "--ignore-submodules", "--refresh", NULL - }; - const char *diff_files[] = { - "diff-files", "--quiet", "--ignore-submodules", "--", NULL - }; - const char *diff_index[] = { - "diff-index", "--quiet", "--cached", "--ignore-submodules", - NULL, "--", NULL - }; - const char *read_tree[] = { - "read-tree", "-u", "-m", NULL, NULL - }; struct child_process child = CHILD_PROCESS_INIT; - child.argv = update_refresh; - child.env = env->v; + strvec_pushl(&child.args, "update-index", "-q", "--ignore-submodules", + "--refresh", NULL); + strvec_pushv(&child.env_array, env->v); child.dir = work_tree; child.no_stdin = 1; child.stdout_to_stderr = 1; @@ -1396,8 +1377,9 @@ static const char *push_to_deploy(unsigned char *sha1, /* run_command() does not clean up completely; reinitialize */ child_process_init(&child); - child.argv = diff_files; - child.env = env->v; + strvec_pushl(&child.args, "diff-files", "--quiet", + "--ignore-submodules", "--", NULL); + strvec_pushv(&child.env_array, env->v); child.dir = work_tree; child.no_stdin = 1; child.stdout_to_stderr = 1; @@ -1405,12 +1387,13 @@ static const char *push_to_deploy(unsigned char *sha1, if (run_command(&child)) return "Working directory has unstaged changes"; - /* diff-index with either HEAD or an empty tree */ - diff_index[4] = head_has_history() ? "HEAD" : empty_tree_oid_hex(); - child_process_init(&child); - child.argv = diff_index; - child.env = env->v; + strvec_pushl(&child.args, "diff-index", "--quiet", "--cached", + "--ignore-submodules", + /* diff-index with either HEAD or an empty tree */ + head_has_history() ? "HEAD" : empty_tree_oid_hex(), + "--", NULL); + strvec_pushv(&child.env_array, env->v); child.no_stdin = 1; child.no_stdout = 1; child.stdout_to_stderr = 0; @@ -1418,10 +1401,10 @@ static const char *push_to_deploy(unsigned char *sha1, if (run_command(&child)) return "Working directory has staged changes"; - read_tree[3] = hash_to_hex(sha1); child_process_init(&child); - child.argv = read_tree; - child.env = env->v; + strvec_pushl(&child.args, "read-tree", "-u", "-m", hash_to_hex(sha1), + NULL); + strvec_pushv(&child.env_array, env->v); child.dir = work_tree; child.no_stdin = 1; child.no_stdout = 1; @@ -2219,7 +2202,8 @@ static const char *unpack(int err_fd, struct shallow_info *si) close(err_fd); return "unable to create temporary object directory"; } - child.env = tmp_objdir_env(tmp_objdir); + if (tmp_objdir) + strvec_pushv(&child.env_array, tmp_objdir_env(tmp_objdir)); /* * Normally we just pass the tmp_objdir environment to the child @@ -2575,16 +2559,14 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix) run_update_post_hook(commands); string_list_clear(&push_options, 0); if (auto_gc) { - const char *argv_gc_auto[] = { - "gc", "--auto", "--quiet", NULL, - }; struct child_process proc = CHILD_PROCESS_INIT; proc.no_stdin = 1; proc.stdout_to_stderr = 1; proc.err = use_sideband ? -1 : 0; proc.git_cmd = proc.close_object_store = 1; - proc.argv = argv_gc_auto; + strvec_pushl(&proc.args, "gc", "--auto", "--quiet", + NULL); if (!start_command(&proc)) { if (use_sideband) diff --git a/builtin/replace.c b/builtin/replace.c index 946938d011..6ff1734d58 100644 --- a/builtin/replace.c +++ b/builtin/replace.c @@ -258,11 +258,10 @@ static int import_object(struct object_id *oid, enum object_type type, return error_errno(_("unable to open %s for reading"), filename); if (!raw && type == OBJ_TREE) { - const char *argv[] = { "mktree", NULL }; struct child_process cmd = CHILD_PROCESS_INIT; struct strbuf result = STRBUF_INIT; - cmd.argv = argv; + strvec_push(&cmd.args, "mktree"); cmd.git_cmd = 1; cmd.in = fd; cmd.out = -1; diff --git a/builtin/upload-archive.c b/builtin/upload-archive.c index 24654b4c9b..98d028dae6 100644 --- a/builtin/upload-archive.c +++ b/builtin/upload-archive.c @@ -77,7 +77,7 @@ static ssize_t process_input(int child_fd, int band) int cmd_upload_archive(int argc, const char **argv, const char *prefix) { - struct child_process writer = { argv }; + struct child_process writer = CHILD_PROCESS_INIT; if (argc == 2 && !strcmp(argv[1], "-h")) usage(upload_archive_usage); @@ -89,9 +89,10 @@ int cmd_upload_archive(int argc, const char **argv, const char *prefix) * multiplexed out to our fd#1. If the child dies, we tell the other * end over channel #3. */ - argv[0] = "upload-archive--writer"; writer.out = writer.err = -1; writer.git_cmd = 1; + strvec_push(&writer.args, "upload-archive--writer"); + strvec_pushv(&writer.args, argv + 1); if (start_command(&writer)) { int err = errno; packet_write_fmt(1, "NACK unable to spawn subprocess\n"); diff --git a/builtin/worktree.c b/builtin/worktree.c index d22ece93e1..962d71cf98 100644 --- a/builtin/worktree.c +++ b/builtin/worktree.c @@ -349,18 +349,18 @@ static int add_worktree(const char *path, const char *refname, strvec_push(&cp.args, "--quiet"); } - cp.env = child_env.v; + strvec_pushv(&cp.env_array, child_env.v); ret = run_command(&cp); if (ret) goto done; if (opts->checkout) { - cp.argv = NULL; - strvec_clear(&cp.args); + struct child_process cp = CHILD_PROCESS_INIT; + cp.git_cmd = 1; strvec_pushl(&cp.args, "reset", "--hard", "--no-recurse-submodules", NULL); if (opts->quiet) strvec_push(&cp.args, "--quiet"); - cp.env = child_env.v; + strvec_pushv(&cp.env_array, child_env.v); ret = run_command(&cp); if (ret) goto done; @@ -385,12 +385,11 @@ done: const char *hook = find_hook("post-checkout"); if (hook) { const char *env[] = { "GIT_DIR", "GIT_WORK_TREE", NULL }; - cp.git_cmd = 0; + struct child_process cp = CHILD_PROCESS_INIT; cp.no_stdin = 1; cp.stdout_to_stderr = 1; cp.dir = path; - cp.env = env; - cp.argv = NULL; + strvec_pushv(&cp.env_array, env); cp.trace2_hook_name = "post-checkout"; strvec_pushl(&cp.args, absolute_path(hook), oid_to_hex(null_oid()), diff --git a/connected.c b/connected.c index 35bd4a2638..ed3025e7a2 100644 --- a/connected.c +++ b/connected.c @@ -109,7 +109,8 @@ no_promisor_pack_found: _("Checking connectivity")); rev_list.git_cmd = 1; - rev_list.env = opt->env; + if (opt->env) + strvec_pushv(&rev_list.env_array, opt->env); rev_list.in = -1; rev_list.no_stdout = 1; if (opt->err_fd) @@ -326,22 +326,18 @@ static int run_access_hook(struct daemon_service *service, const char *dir, { struct child_process child = CHILD_PROCESS_INIT; struct strbuf buf = STRBUF_INIT; - const char *argv[8]; - const char **arg = argv; char *eol; int seen_errors = 0; - *arg++ = access_hook; - *arg++ = service->name; - *arg++ = path; - *arg++ = hi->hostname.buf; - *arg++ = get_canon_hostname(hi); - *arg++ = get_ip_address(hi); - *arg++ = hi->tcp_port.buf; - *arg = NULL; + strvec_push(&child.args, access_hook); + strvec_push(&child.args, service->name); + strvec_push(&child.args, path); + strvec_push(&child.args, hi->hostname.buf); + strvec_push(&child.args, get_canon_hostname(hi)); + strvec_push(&child.args, get_ip_address(hi)); + strvec_push(&child.args, hi->tcp_port.buf); child.use_shell = 1; - child.argv = argv; child.no_stdin = 1; child.no_stderr = 1; child.out = -1; @@ -922,7 +918,7 @@ static void handle(int incoming, struct sockaddr *addr, socklen_t addrlen) #endif } - cld.argv = cld_argv.v; + strvec_pushv(&cld.args, cld_argv.v); cld.in = incoming; cld.out = dup(incoming); @@ -6921,19 +6921,15 @@ static char *run_textconv(struct repository *r, size_t *outsize) { struct diff_tempfile *temp; - const char *argv[3]; - const char **arg = argv; struct child_process child = CHILD_PROCESS_INIT; struct strbuf buf = STRBUF_INIT; int err = 0; temp = prepare_temp_file(r, spec->path, spec); - *arg++ = pgm; - *arg++ = temp->name; - *arg = NULL; + strvec_push(&child.args, pgm); + strvec_push(&child.args, temp->name); child.use_shell = 1; - child.argv = argv; child.out = -1; if (start_command(&child)) { remove_tempfile(); @@ -1,6 +1,7 @@ #include "cache.h" #include "config.h" #include "strbuf.h" +#include "strvec.h" #include "run-command.h" #include "sigchain.h" @@ -55,7 +56,6 @@ static int launch_specified_editor(const char *editor, const char *path, if (strcmp(editor, ":")) { struct strbuf realpath = STRBUF_INIT; - const char *args[] = { editor, NULL, NULL }; struct child_process p = CHILD_PROCESS_INIT; int ret, sig; int print_waiting_for_editor = advice_enabled(ADVICE_WAITING_FOR_EDITOR) && isatty(2); @@ -77,10 +77,10 @@ static int launch_specified_editor(const char *editor, const char *path, } strbuf_realpath(&realpath, path, 1); - args[1] = realpath.buf; - p.argv = args; - p.env = env; + strvec_pushl(&p.args, editor, realpath.buf, NULL); + if (env) + strvec_pushv(&p.env_array, (const char **)env); p.use_shell = 1; p.trace2_child_class = "editor"; if (start_command(&p) < 0) { diff --git a/http-backend.c b/http-backend.c index 3d6e2ff17f..4dd4d939f8 100644 --- a/http-backend.c +++ b/http-backend.c @@ -480,7 +480,7 @@ static void run_service(const char **argv, int buffer_input) strvec_pushf(&cld.env_array, "GIT_COMMITTER_EMAIL=%s@http.%s", user, host); - cld.argv = argv; + strvec_pushv(&cld.args, argv); if (buffer_input || gzipped_request || req_len >= 0) cld.in = -1; cld.git_cmd = 1; @@ -2126,8 +2126,9 @@ int finish_http_pack_request(struct http_pack_request *preq) ip.git_cmd = 1; ip.in = tmpfile_fd; - ip.argv = preq->index_pack_args ? preq->index_pack_args - : default_index_pack_args; + strvec_pushv(&ip.args, preq->index_pack_args ? + preq->index_pack_args : + default_index_pack_args); if (preq->preserve_index_pack_stdout) ip.out = 0; diff --git a/object-file.c b/object-file.c index 7ab1446df4..eb1426f98c 100644 --- a/object-file.c +++ b/object-file.c @@ -794,7 +794,7 @@ static void fill_alternate_refs_command(struct child_process *cmd, } } - cmd->env = local_repo_env; + strvec_pushv(&cmd->env_array, (const char **)local_repo_env); cmd->out = -1; } @@ -8,15 +8,12 @@ static char *do_askpass(const char *cmd, const char *prompt) { struct child_process pass = CHILD_PROCESS_INIT; - const char *args[3]; static struct strbuf buffer = STRBUF_INIT; int err = 0; - args[0] = cmd; - args[1] = prompt; - args[2] = NULL; + strvec_push(&pass.args, cmd); + strvec_push(&pass.args, prompt); - pass.argv = args; pass.out = -1; if (start_command(&pass)) diff --git a/remote-curl.c b/remote-curl.c index d69156312b..0dabef2dd7 100644 --- a/remote-curl.c +++ b/remote-curl.c @@ -1061,7 +1061,7 @@ static int rpc_service(struct rpc_state *rpc, struct discovery *heads, client.in = -1; client.out = -1; client.git_cmd = 1; - client.argv = client_argv; + strvec_pushv(&client.args, client_argv); if (start_command(&client)) exit(1); write_or_die(client.in, preamble->buf, preamble->len); diff --git a/run-command.c b/run-command.c index 1f58c17b6c..3ea2c2fc10 100644 --- a/run-command.c +++ b/run-command.c @@ -380,7 +380,7 @@ static void child_err_spew(struct child_process *cmd, struct child_err *cerr) switch (cerr->err) { case CHILD_ERR_CHDIR: error_errno("exec '%s': cd to '%s' failed", - cmd->argv[0], cmd->dir); + cmd->args.v[0], cmd->dir); break; case CHILD_ERR_DUP2: error_errno("dup2() in child failed"); @@ -392,12 +392,12 @@ static void child_err_spew(struct child_process *cmd, struct child_err *cerr) error_errno("sigprocmask failed restoring signals"); break; case CHILD_ERR_ENOENT: - error_errno("cannot run %s", cmd->argv[0]); + error_errno("cannot run %s", cmd->args.v[0]); break; case CHILD_ERR_SILENT: break; case CHILD_ERR_ERRNO: - error_errno("cannot exec '%s'", cmd->argv[0]); + error_errno("cannot exec '%s'", cmd->args.v[0]); break; } set_error_routine(old_errfn); @@ -405,7 +405,7 @@ static void child_err_spew(struct child_process *cmd, struct child_err *cerr) static int prepare_cmd(struct strvec *out, const struct child_process *cmd) { - if (!cmd->argv[0]) + if (!cmd->args.v[0]) BUG("command is empty"); /* @@ -415,11 +415,11 @@ static int prepare_cmd(struct strvec *out, const struct child_process *cmd) strvec_push(out, SHELL_PATH); if (cmd->git_cmd) { - prepare_git_cmd(out, cmd->argv); + prepare_git_cmd(out, cmd->args.v); } else if (cmd->use_shell) { - prepare_shell_cmd(out, cmd->argv); + prepare_shell_cmd(out, cmd->args.v); } else { - strvec_pushv(out, cmd->argv); + strvec_pushv(out, cmd->args.v); } /* @@ -654,15 +654,10 @@ static void trace_run_command(const struct child_process *cp) sq_quote_buf_pretty(&buf, cp->dir); strbuf_addch(&buf, ';'); } - /* - * The caller is responsible for initializing cp->env from - * cp->env_array if needed. We only check one place. - */ - if (cp->env) - trace_add_env(&buf, cp->env); + trace_add_env(&buf, cp->env_array.v); if (cp->git_cmd) strbuf_addstr(&buf, " git"); - sq_quote_argv_pretty(&buf, cp->argv); + sq_quote_argv_pretty(&buf, cp->args.v); trace_printf("%s", buf.buf); strbuf_release(&buf); @@ -675,11 +670,6 @@ int start_command(struct child_process *cmd) int failed_errno; char *str; - if (!cmd->argv) - cmd->argv = cmd->args.v; - if (!cmd->env) - cmd->env = cmd->env_array.v; - /* * In case of errors we must keep the promise to close FDs * that have been passed in via ->in and ->out. @@ -728,7 +718,7 @@ int start_command(struct child_process *cmd) str = "standard error"; fail_pipe: error("cannot create %s pipe for %s: %s", - str, cmd->argv[0], strerror(failed_errno)); + str, cmd->args.v[0], strerror(failed_errno)); child_process_clear(cmd); errno = failed_errno; return -1; @@ -757,7 +747,7 @@ fail_pipe: failed_errno = errno; cmd->pid = -1; if (!cmd->silent_exec_failure) - error_errno("cannot run %s", cmd->argv[0]); + error_errno("cannot run %s", cmd->args.v[0]); goto end_of_spawn; } @@ -769,7 +759,7 @@ fail_pipe: set_cloexec(null_fd); } - childenv = prep_childenv(cmd->env); + childenv = prep_childenv(cmd->env_array.v); atfork_prepare(&as); /* @@ -867,7 +857,7 @@ fail_pipe: } atfork_parent(&as); if (cmd->pid < 0) - error_errno("cannot fork() for %s", cmd->argv[0]); + error_errno("cannot fork() for %s", cmd->args.v[0]); else if (cmd->clean_on_exit) mark_child_for_cleanup(cmd->pid, cmd); @@ -884,7 +874,7 @@ fail_pipe: * At this point we know that fork() succeeded, but exec() * failed. Errors have been reported to our stderr. */ - wait_or_whine(cmd->pid, cmd->argv[0], 0); + wait_or_whine(cmd->pid, cmd->args.v[0], 0); child_err_spew(cmd, &cerr); failed_errno = errno; cmd->pid = -1; @@ -901,7 +891,7 @@ end_of_spawn: #else { int fhin = 0, fhout = 1, fherr = 2; - const char **sargv = cmd->argv; + const char **sargv = cmd->args.v; struct strvec nargv = STRVEC_INIT; if (cmd->no_stdin) @@ -928,20 +918,20 @@ end_of_spawn: fhout = dup(cmd->out); if (cmd->git_cmd) - cmd->argv = prepare_git_cmd(&nargv, cmd->argv); + cmd->args.v = prepare_git_cmd(&nargv, sargv); else if (cmd->use_shell) - cmd->argv = prepare_shell_cmd(&nargv, cmd->argv); + cmd->args.v = prepare_shell_cmd(&nargv, sargv); - cmd->pid = mingw_spawnvpe(cmd->argv[0], cmd->argv, (char**) cmd->env, + cmd->pid = mingw_spawnvpe(cmd->args.v[0], cmd->args.v, (char**) cmd->env_array.v, cmd->dir, fhin, fhout, fherr); failed_errno = errno; if (cmd->pid < 0 && (!cmd->silent_exec_failure || errno != ENOENT)) - error_errno("cannot spawn %s", cmd->argv[0]); + error_errno("cannot spawn %s", cmd->args.v[0]); if (cmd->clean_on_exit && cmd->pid >= 0) mark_child_for_cleanup(cmd->pid, cmd); strvec_clear(&nargv); - cmd->argv = sargv; + cmd->args.v = sargv; if (fhin != 0) close(fhin); if (fhout != 1) @@ -991,7 +981,7 @@ end_of_spawn: int finish_command(struct child_process *cmd) { - int ret = wait_or_whine(cmd->pid, cmd->argv[0], 0); + int ret = wait_or_whine(cmd->pid, cmd->args.v[0], 0); trace2_child_exit(cmd, ret); child_process_clear(cmd); invalidate_lstat_cache(); @@ -1000,7 +990,7 @@ int finish_command(struct child_process *cmd) int finish_command_in_signal(struct child_process *cmd) { - int ret = wait_or_whine(cmd->pid, cmd->argv[0], 1); + int ret = wait_or_whine(cmd->pid, cmd->args.v[0], 1); trace2_child_exit(cmd, ret); return ret; } @@ -1038,7 +1028,7 @@ int run_command_v_opt_cd_env_tr2(const char **argv, int opt, const char *dir, const char *const *env, const char *tr2_class) { struct child_process cmd = CHILD_PROCESS_INIT; - cmd.argv = argv; + strvec_pushv(&cmd.args, argv); cmd.no_stdin = opt & RUN_COMMAND_NO_STDIN ? 1 : 0; cmd.git_cmd = opt & RUN_GIT_CMD ? 1 : 0; cmd.stdout_to_stderr = opt & RUN_COMMAND_STDOUT_TO_STDERR ? 1 : 0; @@ -1048,7 +1038,8 @@ int run_command_v_opt_cd_env_tr2(const char **argv, int opt, const char *dir, cmd.wait_after_clean = opt & RUN_WAIT_AFTER_CLEAN ? 1 : 0; cmd.close_object_store = opt & RUN_CLOSE_OBJECT_STORE ? 1 : 0; cmd.dir = dir; - cmd.env = env; + if (env) + strvec_pushv(&cmd.env_array, (const char **)env); cmd.trace2_child_class = tr2_class; return run_command(&cmd); } @@ -1334,7 +1325,8 @@ int run_hook_ve(const char *const *env, const char *name, va_list args) strvec_push(&hook.args, p); while ((p = va_arg(args, const char *))) strvec_push(&hook.args, p); - hook.env = env; + if (env) + strvec_pushv(&hook.env_array, (const char **)env); hook.no_stdin = 1; hook.stdout_to_stderr = 1; hook.trace2_hook_name = name; diff --git a/run-command.h b/run-command.h index 4987826258..2be5f5d642 100644 --- a/run-command.h +++ b/run-command.h @@ -44,22 +44,35 @@ struct child_process { /** - * The .argv member is set up as an array of string pointers (NULL - * terminated), of which .argv[0] is the program name to run (usually - * without a path). If the command to run is a git command, set argv[0] to - * the command name without the 'git-' prefix and set .git_cmd = 1. + * The .args is a `struct strvec', use that API to manipulate + * it, e.g. strvec_pushv() to add an existing "const char **" + * vector. * - * Note that the ownership of the memory pointed to by .argv stays with the - * caller, but it should survive until `finish_command` completes. If the - * .argv member is NULL, `start_command` will point it at the .args - * `strvec` (so you may use one or the other, but you must use exactly - * one). The memory in .args will be cleaned up automatically during - * `finish_command` (or during `start_command` when it is unsuccessful). + * If the command to run is a git command, set the first + * element in the strvec to the command name without the + * 'git-' prefix and set .git_cmd = 1. * + * The memory in .args will be cleaned up automatically during + * `finish_command` (or during `start_command` when it is unsuccessful). */ - const char **argv; - struct strvec args; + + /** + * Like .args the .env_array is a `struct strvec'. + * + * To modify the environment of the sub-process, specify an array of + * environment settings. Each string in the array manipulates the + * environment. + * + * - If the string is of the form "VAR=value", i.e. it contains '=' + * the variable is added to the child process's environment. + * + * - If the string does not contain '=', it names an environment + * variable that will be removed from the child process's environment. + * + * The memory in .env_array will be cleaned up automatically during + * `finish_command` (or during `start_command` when it is unsuccessful). + */ struct strvec env_array; pid_t pid; @@ -96,23 +109,6 @@ struct child_process { */ const char *dir; - /** - * To modify the environment of the sub-process, specify an array of - * string pointers (NULL terminated) in .env: - * - * - If the string is of the form "VAR=value", i.e. it contains '=' - * the variable is added to the child process's environment. - * - * - If the string does not contain '=', it names an environment - * variable that will be removed from the child process's environment. - * - * If the .env member is NULL, `start_command` will point it at the - * .env_array `strvec` (so you may use one or the other, but not both). - * The memory in .env_array will be cleaned up automatically during - * `finish_command` (or during `start_command` when it is unsuccessful). - */ - const char *const *env; - unsigned no_stdin:1; unsigned no_stdout:1; unsigned no_stderr:1; diff --git a/sequencer.c b/sequencer.c index 795b370dd3..b69ef4dd4e 100644 --- a/sequencer.c +++ b/sequencer.c @@ -1164,18 +1164,14 @@ static int run_rewrite_hook(const struct object_id *oldoid, const struct object_id *newoid) { struct child_process proc = CHILD_PROCESS_INIT; - const char *argv[3]; int code; struct strbuf sb = STRBUF_INIT; + const char *hook_path = find_hook("post-rewrite"); - argv[0] = find_hook("post-rewrite"); - if (!argv[0]) + if (!hook_path) return 0; - argv[1] = "amend"; - argv[2] = NULL; - - proc.argv = argv; + strvec_pushl(&proc.args, hook_path, "amend", NULL); proc.in = -1; proc.stdout_to_stderr = 1; proc.trace2_hook_name = "post-rewrite"; diff --git a/sub-process.c b/sub-process.c index dfa790d3ff..cae56ae6b8 100644 --- a/sub-process.c +++ b/sub-process.c @@ -187,7 +187,7 @@ static int handshake_capabilities(struct child_process *process, *supported_capabilities |= capabilities[i].flag; } else { die("subprocess '%s' requested unsupported capability '%s'", - process->argv[0], p); + process->args.v[0], p); } } diff --git a/t/helper/test-run-command.c b/t/helper/test-run-command.c index 3c4fb86223..913775a14b 100644 --- a/t/helper/test-run-command.c +++ b/t/helper/test-run-command.c @@ -31,7 +31,7 @@ static int parallel_next(struct child_process *cp, if (number_callbacks >= 4) return 0; - strvec_pushv(&cp->args, d->argv); + strvec_pushv(&cp->args, d->args.v); strbuf_addstr(err, "preloaded output of a child\n"); number_callbacks++; return 1; @@ -274,7 +274,7 @@ static int quote_stress_test(int argc, const char **argv) if (i < skip) continue; - cp.argv = args.v; + strvec_pushv(&cp.args, args.v); strbuf_reset(&out); if (pipe_command(&cp, NULL, 0, &out, 0, NULL, 0) < 0) return error("Failed to spawn child process"); @@ -396,7 +396,7 @@ int cmd__run_command(int argc, const char **argv) } if (argc < 3) return 1; - proc.argv = (const char **)argv + 2; + strvec_pushv(&proc.args, (const char **)argv + 2); if (!strcmp(argv[1], "start-command-ENOENT")) { if (start_command(&proc) < 0 && errno == ENOENT) @@ -408,7 +408,8 @@ int cmd__run_command(int argc, const char **argv) exit(run_command(&proc)); jobs = atoi(argv[2]); - proc.argv = (const char **)argv + 3; + strvec_clear(&proc.args); + strvec_pushv(&proc.args, (const char **)argv + 3); if (!strcmp(argv[1], "run-command-parallel")) exit(run_processes_parallel(jobs, parallel_next, diff --git a/t/helper/test-subprocess.c b/t/helper/test-subprocess.c index 92b69de635..ff22f2fa2c 100644 --- a/t/helper/test-subprocess.c +++ b/t/helper/test-subprocess.c @@ -15,6 +15,6 @@ int cmd__subprocess(int argc, const char **argv) argv++; } cp.git_cmd = 1; - cp.argv = (const char **)argv + 1; + strvec_pushv(&cp.args, (const char **)argv + 1); return run_command(&cp); } diff --git a/trace2/tr2_tgt_event.c b/trace2/tr2_tgt_event.c index 3a0014417c..bd17ecdc32 100644 --- a/trace2/tr2_tgt_event.c +++ b/trace2/tr2_tgt_event.c @@ -354,7 +354,7 @@ static void fn_child_start_fl(const char *file, int line, jw_object_inline_begin_array(&jw, "argv"); if (cmd->git_cmd) jw_array_string(&jw, "git"); - jw_array_argv(&jw, cmd->argv); + jw_array_argv(&jw, cmd->args.v); jw_end(&jw); jw_end(&jw); diff --git a/trace2/tr2_tgt_normal.c b/trace2/tr2_tgt_normal.c index 58d9e430f0..6e429a3fb9 100644 --- a/trace2/tr2_tgt_normal.c +++ b/trace2/tr2_tgt_normal.c @@ -232,7 +232,7 @@ static void fn_child_start_fl(const char *file, int line, strbuf_addch(&buf_payload, ' '); if (cmd->git_cmd) strbuf_addstr(&buf_payload, "git "); - sq_append_quote_argv_pretty(&buf_payload, cmd->argv); + sq_append_quote_argv_pretty(&buf_payload, cmd->args.v); normal_io_write_fl(file, line, &buf_payload); strbuf_release(&buf_payload); diff --git a/trace2/tr2_tgt_perf.c b/trace2/tr2_tgt_perf.c index e4acca13d6..2ff9cf7083 100644 --- a/trace2/tr2_tgt_perf.c +++ b/trace2/tr2_tgt_perf.c @@ -335,10 +335,10 @@ static void fn_child_start_fl(const char *file, int line, strbuf_addstr(&buf_payload, " argv:["); if (cmd->git_cmd) { strbuf_addstr(&buf_payload, "git"); - if (cmd->argv[0]) + if (cmd->args.nr) strbuf_addch(&buf_payload, ' '); } - sq_append_quote_argv_pretty(&buf_payload, cmd->argv); + sq_append_quote_argv_pretty(&buf_payload, cmd->args.v); strbuf_addch(&buf_payload, ']'); perf_io_write_fl(file, line, event_name, NULL, &us_elapsed_absolute, @@ -236,7 +236,7 @@ static char *apply_command(struct conf_info *conf, const char *arg) strbuf_replace(&cmd, TRAILER_ARG_STRING, arg); strvec_push(&cp.args, cmd.buf); } - cp.env = local_repo_env; + strvec_pushv(&cp.env_array, (const char **)local_repo_env); cp.no_stdin = 1; cp.use_shell = 1; diff --git a/transport.c b/transport.c index e4f1decae2..92ab9a3fa6 100644 --- a/transport.c +++ b/transport.c @@ -1204,16 +1204,15 @@ static int run_pre_push_hook(struct transport *transport, struct ref *r; struct child_process proc = CHILD_PROCESS_INIT; struct strbuf buf; - const char *argv[4]; + const char *hook_path = find_hook("pre-push"); - if (!(argv[0] = find_hook("pre-push"))) + if (!hook_path) return 0; - argv[1] = transport->remote->name; - argv[2] = transport->url; - argv[3] = NULL; + strvec_push(&proc.args, hook_path); + strvec_push(&proc.args, transport->remote->name); + strvec_push(&proc.args, transport->url); - proc.argv = argv; proc.in = -1; proc.trace2_hook_name = "pre-push"; diff --git a/upload-pack.c b/upload-pack.c index c78d55bc67..9b5db32623 100644 --- a/upload-pack.c +++ b/upload-pack.c @@ -596,14 +596,11 @@ static int do_reachable_revlist(struct child_process *cmd, struct object_array *reachable, enum allow_uor allow_uor) { - static const char *argv[] = { - "rev-list", "--stdin", NULL, - }; struct object *o; FILE *cmd_in = NULL; int i; - cmd->argv = argv; + strvec_pushl(&cmd->args, "rev-list", "--stdin", NULL); cmd->git_cmd = 1; cmd->no_stderr = 1; cmd->in = -1; |