diff options
| -rw-r--r-- | builtin/submodule--helper.c | 144 | ||||
| -rwxr-xr-x | git-submodule.sh | 39 |
2 files changed, 145 insertions, 38 deletions
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c index c2403a9..4002026 100644 --- a/builtin/submodule--helper.c +++ b/builtin/submodule--helper.c @@ -439,6 +439,149 @@ static void for_each_listed_submodule(const struct module_list *list, fn(list->entries[i], cb_data); } +struct cb_foreach { + int argc; + const char **argv; + const char *prefix; + int quiet; + int recursive; +}; +#define CB_FOREACH_INIT { 0 } + +static void runcommand_in_submodule_cb(const struct cache_entry *list_item, + void *cb_data) +{ + struct cb_foreach *info = cb_data; + const char *path = list_item->name; + const struct object_id *ce_oid = &list_item->oid; + + const struct submodule *sub; + struct child_process cp = CHILD_PROCESS_INIT; + char *displaypath; + + displaypath = get_submodule_displaypath(path, info->prefix); + + sub = submodule_from_path(the_repository, &null_oid, path); + + if (!sub) + die(_("No url found for submodule path '%s' in .gitmodules"), + displaypath); + + if (!is_submodule_populated_gently(path, NULL)) + goto cleanup; + + prepare_submodule_repo_env(&cp.env_array); + + /* + * For the purpose of executing <command> in the submodule, + * separate shell is used for the purpose of running the + * child process. + */ + cp.use_shell = 1; + cp.dir = path; + + /* + * NEEDSWORK: the command currently has access to the variables $name, + * $sm_path, $displaypath, $sha1 and $toplevel only when the command + * contains a single argument. This is done for maintaining a faithful + * translation from shell script. + */ + if (info->argc == 1) { + char *toplevel = xgetcwd(); + struct strbuf sb = STRBUF_INIT; + + argv_array_pushf(&cp.env_array, "name=%s", sub->name); + argv_array_pushf(&cp.env_array, "sm_path=%s", path); + argv_array_pushf(&cp.env_array, "displaypath=%s", displaypath); + argv_array_pushf(&cp.env_array, "sha1=%s", + oid_to_hex(ce_oid)); + argv_array_pushf(&cp.env_array, "toplevel=%s", toplevel); + + /* + * Since the path variable was accessible from the script + * before porting, it is also made available after porting. + * The environment variable "PATH" has a very special purpose + * on windows. And since environment variables are + * case-insensitive in windows, it interferes with the + * existing PATH variable. Hence, to avoid that, we expose + * path via the args argv_array and not via env_array. + */ + sq_quote_buf(&sb, path); + argv_array_pushf(&cp.args, "path=%s; %s", + sb.buf, info->argv[0]); + strbuf_release(&sb); + free(toplevel); + } else { + argv_array_pushv(&cp.args, info->argv); + } + + if (!info->quiet) + printf(_("Entering '%s'\n"), displaypath); + + if (info->argv[0] && run_command(&cp)) + die(_("run_command returned non-zero status for %s\n."), + displaypath); + + if (info->recursive) { + struct child_process cpr = CHILD_PROCESS_INIT; + + cpr.git_cmd = 1; + cpr.dir = path; + prepare_submodule_repo_env(&cpr.env_array); + + argv_array_pushl(&cpr.args, "--super-prefix", NULL); + argv_array_pushf(&cpr.args, "%s/", displaypath); + argv_array_pushl(&cpr.args, "submodule--helper", "foreach", "--recursive", + NULL); + + if (info->quiet) + argv_array_push(&cpr.args, "--quiet"); + + argv_array_pushv(&cpr.args, info->argv); + + if (run_command(&cpr)) + die(_("run_command returned non-zero status while" + "recursing in the nested submodules of %s\n."), + displaypath); + } + +cleanup: + free(displaypath); +} + +static int module_foreach(int argc, const char **argv, const char *prefix) +{ + struct cb_foreach info = CB_FOREACH_INIT; + struct pathspec pathspec; + struct module_list list = MODULE_LIST_INIT; + + struct option module_foreach_options[] = { + OPT__QUIET(&info.quiet, N_("Suppress output of entering each submodule command")), + OPT_BOOL(0, "recursive", &info.recursive, + N_("Recurse into nested submodules")), + OPT_END() + }; + + const char *const git_submodule_helper_usage[] = { + N_("git submodule--helper foreach [--quiet] [--recursive] <command>"), + NULL + }; + + argc = parse_options(argc, argv, prefix, module_foreach_options, + git_submodule_helper_usage, PARSE_OPT_KEEP_UNKNOWN); + + if (module_list_compute(0, NULL, prefix, &pathspec, &list) < 0) + return 1; + + info.argc = argc; + info.argv = argv; + info.prefix = prefix; + + for_each_listed_submodule(&list, runcommand_in_submodule_cb, &info); + + return 0; +} + struct init_cb { const char *prefix; unsigned int flags; @@ -1841,6 +1984,7 @@ static struct cmd_struct commands[] = { {"relative-path", resolve_relative_path, 0}, {"resolve-relative-url", resolve_relative_url, 0}, {"resolve-relative-url-test", resolve_relative_url_test, 0}, + {"foreach", module_foreach, SUPPORT_SUPER_PREFIX}, {"init", module_init, SUPPORT_SUPER_PREFIX}, {"status", module_status, SUPPORT_SUPER_PREFIX}, {"print-default-remote", print_default_remote, 0}, diff --git a/git-submodule.sh b/git-submodule.sh index 331d71c..cba585f 100755 --- a/git-submodule.sh +++ b/git-submodule.sh @@ -323,44 +323,7 @@ cmd_foreach() shift done - toplevel=$(pwd) - - # dup stdin so that it can be restored when running the external - # command in the subshell (and a recursive call to this function) - exec 3<&0 - - { - git submodule--helper list --prefix "$wt_prefix" || - echo "#unmatched" $? - } | - while read -r mode sha1 stage sm_path - do - die_if_unmatched "$mode" "$sha1" - if test -e "$sm_path"/.git - then - displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix") - say "$(eval_gettext "Entering '\$displaypath'")" - name=$(git submodule--helper name "$sm_path") - ( - prefix="$prefix$sm_path/" - sanitize_submodule_env - cd "$sm_path" && - # we make $path available to scripts ... - path=$sm_path && - if test $# -eq 1 - then - eval "$1" - else - "$@" - fi && - if test -n "$recursive" - then - cmd_foreach "--recursive" "$@" - fi - ) <&3 3<&- || - die "$(eval_gettext "Stopping at '\$displaypath'; script returned non-zero status.")" - fi - done + git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper foreach ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@" } # |