diff options
| -rw-r--r-- | builtin/submodule--helper.c | 56 | ||||
| -rwxr-xr-x | git-submodule.sh | 11 | ||||
| -rw-r--r-- | submodule-config.c | 11 | ||||
| -rw-r--r-- | submodule-config.h | 1 | ||||
| -rwxr-xr-x | t/t7406-submodule-update.sh | 70 |
5 files changed, 132 insertions, 17 deletions
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c index 6f6d67a469..b09632e468 100644 --- a/builtin/submodule--helper.c +++ b/builtin/submodule--helper.c @@ -892,13 +892,64 @@ static int resolve_relative_path(int argc, const char **argv, const char *prefix { struct strbuf sb = STRBUF_INIT; if (argc != 3) - die("submodule--helper relative_path takes exactly 2 arguments, got %d", argc); + die("submodule--helper relative-path takes exactly 2 arguments, got %d", argc); printf("%s", relative_path(argv[1], argv[2], &sb)); strbuf_release(&sb); return 0; } +static const char *remote_submodule_branch(const char *path) +{ + const struct submodule *sub; + gitmodules_config(); + git_config(submodule_config, NULL); + + sub = submodule_from_path(null_sha1, path); + if (!sub) + return NULL; + + if (!sub->branch) + return "master"; + + if (!strcmp(sub->branch, ".")) { + unsigned char sha1[20]; + const char *refname = resolve_ref_unsafe("HEAD", 0, sha1, NULL); + + if (!refname) + die(_("No such ref: %s"), "HEAD"); + + /* detached HEAD */ + if (!strcmp(refname, "HEAD")) + die(_("Submodule (%s) branch configured to inherit " + "branch from superproject, but the superproject " + "is not on any branch"), sub->name); + + if (!skip_prefix(refname, "refs/heads/", &refname)) + die(_("Expecting a full ref name, got %s"), refname); + return refname; + } + + return sub->branch; +} + +static int resolve_remote_submodule_branch(int argc, const char **argv, + const char *prefix) +{ + const char *ret; + struct strbuf sb = STRBUF_INIT; + if (argc != 2) + die("submodule--helper remote-branch takes exactly one arguments, got %d", argc); + + ret = remote_submodule_branch(argv[1]); + if (!ret) + die("submodule %s doesn't exist", argv[1]); + + printf("%s", ret); + strbuf_release(&sb); + return 0; +} + struct cmd_struct { const char *cmd; int (*fn)(int, const char **, const char *); @@ -912,7 +963,8 @@ static struct cmd_struct commands[] = { {"relative-path", resolve_relative_path}, {"resolve-relative-url", resolve_relative_url}, {"resolve-relative-url-test", resolve_relative_url_test}, - {"init", module_init} + {"init", module_init}, + {"remote-branch", resolve_remote_submodule_branch} }; int cmd_submodule__helper(int argc, const char **argv, const char *prefix) diff --git a/git-submodule.sh b/git-submodule.sh index c90dc335d1..b57f87de65 100755 --- a/git-submodule.sh +++ b/git-submodule.sh @@ -479,7 +479,8 @@ fetch_in_submodule () ( '') git fetch ;; *) - git fetch $(get_default_remote) "$2" ;; + shift + git fetch $(get_default_remote) "$@" ;; esac ) @@ -588,7 +589,6 @@ cmd_update() name=$(git submodule--helper name "$sm_path") || exit url=$(git config submodule."$name".url) - branch=$(get_submodule_config "$name" branch master) if ! test -z "$update" then update_module=$update @@ -614,10 +614,11 @@ cmd_update() if test -n "$remote" then + branch=$(git submodule--helper remote-branch "$sm_path") if test -z "$nofetch" then # Fetch remote before determining tracking $sha1 - fetch_in_submodule "$sm_path" || + fetch_in_submodule "$sm_path" $depth || die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")" fi remote_name=$(sanitize_submodule_env; cd "$sm_path" && get_default_remote) @@ -640,13 +641,13 @@ cmd_update() # Run fetch only if $sha1 isn't present or it # is not reachable from a ref. is_tip_reachable "$sm_path" "$sha1" || - fetch_in_submodule "$sm_path" || + fetch_in_submodule "$sm_path" $depth || die "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")" # Now we tried the usual fetch, but $sha1 may # not be reachable from any of the refs is_tip_reachable "$sm_path" "$sha1" || - fetch_in_submodule "$sm_path" "$sha1" || + fetch_in_submodule "$sm_path" $depth "$sha1" || die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")" fi diff --git a/submodule-config.c b/submodule-config.c index d22a851d27..098085be69 100644 --- a/submodule-config.c +++ b/submodule-config.c @@ -59,6 +59,7 @@ static void free_one_config(struct submodule_entry *entry) { free((void *) entry->config->path); free((void *) entry->config->name); + free((void *) entry->config->branch); free((void *) entry->config->update_strategy.command); free(entry->config); } @@ -199,6 +200,7 @@ static struct submodule *lookup_or_create_by_name(struct submodule_cache *cache, submodule->update_strategy.command = NULL; submodule->fetch_recurse = RECURSE_SUBMODULES_NONE; submodule->ignore = NULL; + submodule->branch = NULL; submodule->recommend_shallow = -1; hashcpy(submodule->gitmodules_sha1, gitmodules_sha1); @@ -358,9 +360,16 @@ static int parse_config(const char *var, const char *value, void *data) if (!me->overwrite && submodule->recommend_shallow != -1) warn_multiple_config(me->commit_sha1, submodule->name, "shallow"); - else { + else submodule->recommend_shallow = git_config_bool(var, value); + } else if (!strcmp(item.buf, "branch")) { + if (!me->overwrite && submodule->branch) + warn_multiple_config(me->commit_sha1, submodule->name, + "branch"); + else { + free((void *)submodule->branch); + submodule->branch = xstrdup(value); } } diff --git a/submodule-config.h b/submodule-config.h index b1fdcc0c33..d05c542d2c 100644 --- a/submodule-config.h +++ b/submodule-config.h @@ -15,6 +15,7 @@ struct submodule { const char *url; int fetch_recurse; const char *ignore; + const char *branch; struct submodule_update_strategy update_strategy; /* the sha1 blob id of the responsible .gitmodules file */ unsigned char gitmodules_sha1[20]; diff --git a/t/t7406-submodule-update.sh b/t/t7406-submodule-update.sh index 88e9750abb..64f322c4cc 100755 --- a/t/t7406-submodule-update.sh +++ b/t/t7406-submodule-update.sh @@ -209,9 +209,42 @@ test_expect_success 'submodule update --remote should fetch upstream changes' ' ) ' +test_expect_success 'submodule update --remote should fetch upstream changes with .' ' + ( + cd super && + git config -f .gitmodules submodule."submodule".branch "." && + git add .gitmodules && + git commit -m "submodules: update from the respective superproject branch" + ) && + ( + cd submodule && + echo line4a >> file && + git add file && + test_tick && + git commit -m "upstream line4a" && + git checkout -b test-branch && + test_commit on-test-branch + ) && + ( + cd super && + git submodule update --remote --force submodule && + git -C submodule log -1 --oneline >actual + git -C ../submodule log -1 --oneline master >expect + test_cmp expect actual && + git checkout -b test-branch && + git submodule update --remote --force submodule && + git -C submodule log -1 --oneline >actual + git -C ../submodule log -1 --oneline test-branch >expect + test_cmp expect actual && + git checkout master && + git branch -d test-branch && + git reset --hard HEAD^ + ) +' + test_expect_success 'local config should override .gitmodules branch' ' (cd submodule && - git checkout -b test-branch && + git checkout test-branch && echo line5 >> file && git add file && test_tick && @@ -841,16 +874,35 @@ test_expect_success SYMLINKS 'submodule update can handle symbolic links in pwd' ' test_expect_success 'submodule update clone shallow submodule' ' + test_when_finished "rm -rf super3" && + first=$(git -C cloned submodule status submodule |cut -c2-41) && + second=$(git -C submodule rev-parse HEAD) && + commit_count=$(git -C submodule rev-list --count $first^..$second) && git clone cloned super3 && pwd=$(pwd) && - (cd super3 && - sed -e "s#url = ../#url = file://$pwd/#" <.gitmodules >.gitmodules.tmp && - mv -f .gitmodules.tmp .gitmodules && - git submodule update --init --depth=3 - (cd submodule && - test 1 = $(git log --oneline | wc -l) - ) -) + ( + cd super3 && + sed -e "s#url = ../#url = file://$pwd/#" <.gitmodules >.gitmodules.tmp && + mv -f .gitmodules.tmp .gitmodules && + git submodule update --init --depth=$commit_count && + test 1 = $(git -C submodule log --oneline | wc -l) + ) +' + +test_expect_success 'submodule update clone shallow submodule outside of depth' ' + test_when_finished "rm -rf super3" && + git clone cloned super3 && + pwd=$(pwd) && + ( + cd super3 && + sed -e "s#url = ../#url = file://$pwd/#" <.gitmodules >.gitmodules.tmp && + mv -f .gitmodules.tmp .gitmodules && + test_must_fail git submodule update --init --depth=1 2>actual && + test_i18ngrep "Direct fetching of that commit failed." actual && + git -C ../submodule config uploadpack.allowReachableSHA1InWant true && + git submodule update --init --depth=1 >actual && + test 1 = $(git -C submodule log --oneline | wc -l) + ) ' test_expect_success 'submodule update --recursive drops module name before recursing' ' |