From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Beller Subject: [PATCH 2/2] submodule: port init from shell to C Date: Fri, 12 Feb 2016 15:39:16 -0800 Message-ID: <1455320356-15778-3-git-send-email-sbeller@google.com> References: <1455320356-15778-1-git-send-email-sbeller@google.com> Cc: Stefan Beller To: git@vger.kernel.org, gitster@pobox.com, jrnieder@gmail.com, Jens.Lehmann@web.de X-From: git-owner@vger.kernel.org Sat Feb 13 00:39:30 2016 Return-path: Envelope-to: gcvg-git-2@plane.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1aUNJB-00009c-Gn for gcvg-git-2@plane.gmane.org; Sat, 13 Feb 2016 00:39:30 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751662AbcBLXjX (ORCPT ); Fri, 12 Feb 2016 18:39:23 -0500 Received: from mail-pa0-f52.google.com ([209.85.220.52]:33539 "EHLO mail-pa0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750977AbcBLXjW (ORCPT ); Fri, 12 Feb 2016 18:39:22 -0500 Received: by mail-pa0-f52.google.com with SMTP id fl4so41948157pad.0 for ; Fri, 12 Feb 2016 15:39:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=G971UuKy9BAcNm7INITXsnqIpXsiUwWpNldY0F8cnaE=; b=GlYmlgrIp4yyw7D0rAn1e4prEuHaYlqzJ7Wo8v+ihcLJ2qgbkJ5CvglKftInfj8G60 CcRO3TdT8T4/460u3Q8k0JIQs+qN1o2rAGgOjXCFSIx5uYblWkXdEGzNuDlG+L27f6gy ws2STvqF6LyTevgwoFg4yone2oXdrmpIXT8Xx3orMTAYP65vboVz+HcqVv+yFiKwxXw8 TKa6ow2JI8xtnd/YD+LutpuXB+whCcR0+zE43NFO/gstX7CZVY2NIitA042uGrh2SPPE M6mQiS0D3hfzCpHT3YSCT7JPmN6qJ3u/78EEjnpebevNvjDIGWQqF3KCCVT7VoVEWsJ0 6ghA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=G971UuKy9BAcNm7INITXsnqIpXsiUwWpNldY0F8cnaE=; b=Ocg3RPwcM56wU+b8WnpYQCxkKSnsh+Wqxnl+tsbgzqIOdh6fFfCZnlN2aDAhcjdr+J zAUkeEXpjZG2d2VREFxpTCRyleau/QUN2kojeQ2w1i/6CL/dG68hfuzkzJA7WsSOt+g9 BRy4vB+dHB1krsiYvZLxbJTItIoU8S7tqBuXAjvXBxr+ovZli/LU/dmgGuLakUGPDDyu xPPSeETnjoJ2M3USynHvT6YlZi9+odsfWEbMxfJr2ZY7zHmEFsdjucv9u8qE9FYmjmuS kQiJU6ZWaKMJh/ZuKu9ReTSGHVAKaSLAkDVinXZWc6kB5P/HhGiIYuJn1hDK/8O3LNax z9aA== X-Gm-Message-State: AG10YOScviAZJehG6zrEWB40r1lAnv6b7zykDYg8lu4MIPJfYOd3Djim2PIdrn5YmfAlaNz7 X-Received: by 10.66.250.199 with SMTP id ze7mr5986147pac.103.1455320361582; Fri, 12 Feb 2016 15:39:21 -0800 (PST) Received: from localhost ([2620:0:1000:5b00:f1e7:203f:9d1e:8193]) by smtp.gmail.com with ESMTPSA id e14sm21881174pap.24.2016.02.12.15.39.20 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Fri, 12 Feb 2016 15:39:20 -0800 (PST) X-Mailer: git-send-email 2.7.1.292.g18a4ced.dirty In-Reply-To: <1455320356-15778-1-git-send-email-sbeller@google.com> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: By having the `init` functionality in C, we can reference it easier from other parts in the code. Signed-off-by: Stefan Beller --- builtin/submodule--helper.c | 107 ++++++++++++++++++++++++++++++++++++++++++++ git-submodule.sh | 39 +--------------- submodule.c | 21 +++++++++ submodule.h | 1 + 4 files changed, 130 insertions(+), 38 deletions(-) diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c index d1e9118..30e623a 100644 --- a/builtin/submodule--helper.c +++ b/builtin/submodule--helper.c @@ -214,6 +214,112 @@ static int resolve_relative_url_test(int argc, const char **argv, const char *pr return 0; } +static void init_submodule(const char *path, const char *prefix, int quiet) +{ + const struct submodule *sub; + struct strbuf sb = STRBUF_INIT; + char *url = NULL; + const char *upd = NULL; + char *cwd = xgetcwd(); + const char *displaypath = relative_path(cwd, prefix, &sb); + + /* Only loads from .gitmodules, no overlay with .git/config */ + gitmodules_config(); + + sub = submodule_from_path(null_sha1, path); + + /* + * Copy url setting when it is not set yet. + * To look up the url in .git/config, we must not fall back to + * .gitmodules, so look it up directly. + */ + strbuf_reset(&sb); + strbuf_addf(&sb, "submodule.%s.url", sub->name); + if (git_config_get_string(sb.buf, &url)) { + url = xstrdup(sub->url); + + if (!url) + die(_("No url found for submodule path '%s' in .gitmodules"), + displaypath); + + /* Possibly a url relative to parent */ + if (starts_with_dot_dot_slash(url) || + starts_with_dot_slash(url)) { + char *remoteurl; + char *remote = get_default_remote(); + struct strbuf remotesb = STRBUF_INIT; + strbuf_addf(&remotesb, "remote.%s.url", remote); + free(remote); + + if (git_config_get_string(remotesb.buf, &remoteurl)) + /* + * The repository is its own + * authoritative upstream + */ + remoteurl = xgetcwd(); + url = relative_url(remoteurl, url, NULL); + strbuf_release(&remotesb); + free(remoteurl); + } + + if (git_config_set(sb.buf, url)) + die(_("Failed to register url for submodule path '%s'"), + displaypath); + if (!quiet) + printf(_("Submodule '%s' (%s) registered for path '%s'\n"), + sub->name, url, displaypath); + } + + /* Copy "update" setting when it is not set yet */ + strbuf_reset(&sb); + strbuf_addf(&sb, "submodule.%s.update", sub->name); + if (git_config_get_string_const(sb.buf, &upd) && + sub->update_strategy.type != SM_UPDATE_UNSPECIFIED) { + if (sub->update_strategy.type == SM_UPDATE_COMMAND) { + fprintf(stderr, _("warning: command update mode suggested for submodule '%s'\n"), + sub->name); + upd = "none"; + } else + upd = submodule_strategy_to_string(&sub->update_strategy); + + if (git_config_set(sb.buf, upd)) + die(_("Failed to register update mode for submodule path '%s'"), displaypath); + } + strbuf_release(&sb); + free(cwd); + free(url); +} + +static int module_init(int argc, const char **argv, const char *prefix) +{ + int quiet = 0; + int i; + + struct option module_init_options[] = { + OPT_STRING(0, "prefix", &prefix, + N_("path"), + N_("alternative anchor for relative paths")), + OPT__QUIET(&quiet, "Suppress output for initialzing a submodule"), + OPT_END() + }; + + const char *const git_submodule_helper_usage[] = { + N_("git submodule--helper init []"), + NULL + }; + + argc = parse_options(argc, argv, prefix, module_init_options, + git_submodule_helper_usage, 0); + + if (argc == 0) + die(_("Pass at least one submodule")); + + for (i = 0; i < argc; i++) + init_submodule(argv[i], prefix, quiet); + + return 0; +} + struct module_list { const struct cache_entry **entries; int alloc, nr; @@ -709,6 +815,7 @@ static struct cmd_struct commands[] = { {"update-clone", update_clone}, {"resolve-relative-url", resolve_relative_url}, {"resolve-relative-url-test", resolve_relative_url_test}, + {"init", module_init} }; int cmd_submodule__helper(int argc, const char **argv, const char *prefix) diff --git a/git-submodule.sh b/git-submodule.sh index 615ef9b..6fce0dc 100755 --- a/git-submodule.sh +++ b/git-submodule.sh @@ -398,45 +398,8 @@ cmd_init() while read mode sha1 stage sm_path do die_if_unmatched "$mode" - name=$(git submodule--helper name "$sm_path") || exit - - displaypath=$(relative_path "$sm_path") - - # Copy url setting when it is not set yet - if test -z "$(git config "submodule.$name.url")" - then - url=$(git config -f .gitmodules submodule."$name".url) - test -z "$url" && - die "$(eval_gettext "No url found for submodule path '\$displaypath' in .gitmodules")" - - # Possibly a url relative to parent - case "$url" in - ./*|../*) - url=$(git submodule--helper resolve-relative-url "$url") || exit - ;; - esac - git config submodule."$name".url "$url" || - die "$(eval_gettext "Failed to register url for submodule path '\$displaypath'")" - say "$(eval_gettext "Submodule '\$name' (\$url) registered for path '\$displaypath'")" - fi - - # Copy "update" setting when it is not set yet - if upd="$(git config -f .gitmodules submodule."$name".update)" && - test -n "$upd" && - test -z "$(git config submodule."$name".update)" - then - case "$upd" in - checkout | rebase | merge | none) - ;; # known modes of updating - *) - echo >&2 "warning: unknown update mode '$upd' suggested for submodule '$name'" - upd=none - ;; - esac - git config submodule."$name".update "$upd" || - die "$(eval_gettext "Failed to register update mode for submodule path '\$displaypath'")" - fi + git submodule--helper init ${GIT_QUIET:+--quiet} "$sm_path" || exit done } diff --git a/submodule.c b/submodule.c index 263cb2a..37d6b8d 100644 --- a/submodule.c +++ b/submodule.c @@ -235,6 +235,27 @@ int parse_submodule_update_strategy(const char *value, return 0; } +const char *submodule_strategy_to_string(const struct submodule_update_strategy *s) +{ + struct strbuf sb = STRBUF_INIT; + switch (s->type) { + case SM_UPDATE_CHECKOUT: + return "checkout"; + case SM_UPDATE_MERGE: + return "merge"; + case SM_UPDATE_REBASE: + return "rebase"; + case SM_UPDATE_NONE: + return "none"; + case SM_UPDATE_UNSPECIFIED: + return NULL; + case SM_UPDATE_COMMAND: + strbuf_addf(&sb, "!%s", s->command); + return strbuf_detach(&sb, 0); + } + return NULL; +} + void handle_ignore_submodules_arg(struct diff_options *diffopt, const char *arg) { diff --git a/submodule.h b/submodule.h index 7ef3775..ff4c4f3 100644 --- a/submodule.h +++ b/submodule.h @@ -39,6 +39,7 @@ int submodule_config(const char *var, const char *value, void *cb); void gitmodules_config(void); int parse_submodule_update_strategy(const char *value, struct submodule_update_strategy *dst); +const char *submodule_strategy_to_string(const struct submodule_update_strategy *s); void handle_ignore_submodules_arg(struct diff_options *diffopt, const char *); void show_submodule_summary(FILE *f, const char *path, const char *line_prefix, -- 2.7.1.292.g18a4ced.dirty