diff --git a/Documentation/git-submodule.txt b/Documentation/git-submodule.txt index 9226c4380c..bf3bb372ee 100644 --- a/Documentation/git-submodule.txt +++ b/Documentation/git-submodule.txt @@ -15,8 +15,9 @@ SYNOPSIS 'git submodule' [--quiet] init [--] [...] 'git submodule' [--quiet] deinit [-f|--force] (--all|[--] ...) 'git submodule' [--quiet] update [--init] [--remote] [-N|--no-fetch] - [-f|--force] [--rebase|--merge] [--reference ] - [--depth ] [--recursive] [--jobs ] [--] [...] + [--[no-]recommend-shallow] [-f|--force] [--rebase|--merge] + [--reference ] [--depth ] [--recursive] + [--jobs ] [--] [...] 'git submodule' [--quiet] summary [--cached|--files] [(-n|--summary-limit) ] [commit] [--] [...] 'git submodule' [--quiet] foreach [--recursive] @@ -384,6 +385,12 @@ for linkgit:git-clone[1]'s `--reference` and `--shared` options carefully. clone with a history truncated to the specified number of revisions. See linkgit:git-clone[1] +--[no-]recommend-shallow:: + This option is only valid for the update command. + The initial clone of a submodule will use the recommended + `submodule..shallow` as provided by the .gitmodules file + by default. To ignore the suggestions use `--no-recommend-shallow`. + -j :: --jobs :: This option is only valid for the update command. diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c index 8da263f0b0..ca33408f55 100644 --- a/builtin/submodule--helper.c +++ b/builtin/submodule--helper.c @@ -581,6 +581,7 @@ struct submodule_update_clone { /* configuration parameters which are passed on to the children */ int quiet; + int recommend_shallow; const char *reference; const char *depth; const char *recursive_prefix; @@ -593,7 +594,7 @@ struct submodule_update_clone { unsigned quickstop : 1; }; #define SUBMODULE_UPDATE_CLONE_INIT {0, MODULE_LIST_INIT, 0, \ - SUBMODULE_UPDATE_STRATEGY_INIT, 0, NULL, NULL, NULL, NULL, \ + SUBMODULE_UPDATE_STRATEGY_INIT, 0, -1, NULL, NULL, NULL, NULL, \ STRING_LIST_INIT_DUP, 0} @@ -698,6 +699,8 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce, argv_array_push(&child->args, "--quiet"); if (suc->prefix) argv_array_pushl(&child->args, "--prefix", suc->prefix, NULL); + if (suc->recommend_shallow && sub->recommend_shallow == 1) + argv_array_push(&child->args, "--depth=1"); argv_array_pushl(&child->args, "--path", sub->path, NULL); argv_array_pushl(&child->args, "--name", sub->name, NULL); argv_array_pushl(&child->args, "--url", url, NULL); @@ -780,6 +783,8 @@ static int update_clone(int argc, const char **argv, const char *prefix) "specified number of revisions")), OPT_INTEGER('j', "jobs", &max_jobs, N_("parallel jobs")), + OPT_BOOL(0, "recommend-shallow", &suc.recommend_shallow, + N_("whether the initial clone should follow the shallow recommendation")), OPT__QUIET(&suc.quiet, N_("don't print cloning progress")), OPT_END() }; diff --git a/git-submodule.sh b/git-submodule.sh index 5a4dec050b..42e0e9f63d 100755 --- a/git-submodule.sh +++ b/git-submodule.sh @@ -9,7 +9,7 @@ USAGE="[--quiet] add [-b ] [-f|--force] [--name ] [--reference ...] or: $dashless [--quiet] init [--] [...] or: $dashless [--quiet] deinit [-f|--force] (--all| [--] ...) - or: $dashless [--quiet] update [--init] [--remote] [-N|--no-fetch] [-f|--force] [--checkout|--merge|--rebase] [--reference ] [--recursive] [--] [...] + or: $dashless [--quiet] update [--init] [--remote] [-N|--no-fetch] [-f|--force] [--checkout|--merge|--rebase] [--[no-]recommend-shallow] [--reference ] [--recursive] [--] [...] or: $dashless [--quiet] summary [--cached|--files] [--summary-limit ] [commit] [--] [...] or: $dashless [--quiet] foreach [--recursive] or: $dashless [--quiet] sync [--recursive] [--] [...]" @@ -559,6 +559,12 @@ cmd_update() --checkout) update="checkout" ;; + --recommend-shallow) + recommend_shallow="--recommend-shallow" + ;; + --no-recommend-shallow) + recommend_shallow="--no-recommend-shallow" + ;; --depth) case "$2" in '') usage ;; esac depth="--depth=$2" @@ -601,6 +607,7 @@ cmd_update() ${update:+--update "$update"} \ ${reference:+--reference "$reference"} \ ${depth:+--depth "$depth"} \ + ${recommend_shallow:+"$recommend_shallow"} \ ${jobs:+$jobs} \ "$@" || echo "#unmatched" } | { diff --git a/t/t5614-clone-submodules.sh b/t/t5614-clone-submodules.sh index 62044c5a02..32d83e2694 100755 --- a/t/t5614-clone-submodules.sh +++ b/t/t5614-clone-submodules.sh @@ -82,4 +82,56 @@ test_expect_success 'non shallow clone with shallow submodule' ' ) ' +test_expect_success 'clone follows shallow recommendation' ' + test_when_finished "rm -rf super_clone" && + git config -f .gitmodules submodule.sub.shallow true && + git add .gitmodules && + git commit -m "recommed shallow for sub" && + git clone --recurse-submodules --no-local "file://$pwd/." super_clone && + ( + cd super_clone && + git log --oneline >lines && + test_line_count = 4 lines + ) && + ( + cd super_clone/sub && + git log --oneline >lines && + test_line_count = 1 lines + ) +' + +test_expect_success 'get unshallow recommended shallow submodule' ' + test_when_finished "rm -rf super_clone" && + git clone --no-local "file://$pwd/." super_clone && + ( + cd super_clone && + git submodule update --init --no-recommend-shallow && + git log --oneline >lines && + test_line_count = 4 lines + ) && + ( + cd super_clone/sub && + git log --oneline >lines && + test_line_count = 3 lines + ) +' + +test_expect_success 'clone follows non shallow recommendation' ' + test_when_finished "rm -rf super_clone" && + git config -f .gitmodules submodule.sub.shallow false && + git add .gitmodules && + git commit -m "recommed non shallow for sub" && + git clone --recurse-submodules --no-local "file://$pwd/." super_clone && + ( + cd super_clone && + git log --oneline >lines && + test_line_count = 5 lines + ) && + ( + cd super_clone/sub && + git log --oneline >lines && + test_line_count = 3 lines + ) +' + test_done