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Diffstat (limited to 't/t5572-pull-submodule.sh')
| -rwxr-xr-x | t/t5572-pull-submodule.sh | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/t/t5572-pull-submodule.sh b/t/t5572-pull-submodule.sh new file mode 100755 index 0000000..09097ef --- /dev/null +++ b/t/t5572-pull-submodule.sh @@ -0,0 +1,248 @@ +#!/bin/sh + +test_description='pull can handle submodules' + +GIT_TEST_FATAL_REGISTER_SUBMODULE_ODB=1 +export GIT_TEST_FATAL_REGISTER_SUBMODULE_ODB + +. ./test-lib.sh +. "$TEST_DIRECTORY"/lib-submodule-update.sh + +reset_branch_to_HEAD () { + git branch -D "$1" && + git checkout -b "$1" HEAD && + git branch --set-upstream-to="origin/$1" "$1" +} + +git_pull () { + reset_branch_to_HEAD "$1" && + may_only_be_test_must_fail "$2" && + $2 git pull +} + +# pulls without conflicts +test_submodule_switch_func "git_pull" + +git_pull_ff () { + reset_branch_to_HEAD "$1" && + may_only_be_test_must_fail "$2" && + $2 git pull --ff +} + +test_submodule_switch_func "git_pull_ff" + +git_pull_ff_only () { + reset_branch_to_HEAD "$1" && + may_only_be_test_must_fail "$2" && + $2 git pull --ff-only +} + +test_submodule_switch_func "git_pull_ff_only" + +git_pull_noff () { + reset_branch_to_HEAD "$1" && + may_only_be_test_must_fail "$2" && + $2 git pull --no-ff +} + +if test "$GIT_TEST_MERGE_ALGORITHM" != ort +then + KNOWN_FAILURE_NOFF_MERGE_DOESNT_CREATE_EMPTY_SUBMODULE_DIR=1 + KNOWN_FAILURE_NOFF_MERGE_ATTEMPTS_TO_MERGE_REMOVED_SUBMODULE_FILES=1 +fi +test_submodule_switch_func "git_pull_noff" + +test_expect_success 'setup' ' + git config --global protocol.file.allow always +' + +test_expect_success 'pull --recurse-submodule setup' ' + test_create_repo child && + test_commit -C child bar && + + test_create_repo parent && + test_commit -C child foo && + + git -C parent submodule add ../child sub && + git -C parent commit -m "add submodule" && + + git clone --recurse-submodules parent super +' + +test_expect_success 'recursive pull updates working tree' ' + test_commit -C child merge_strategy && + git -C parent submodule update --remote && + git -C parent add sub && + git -C parent commit -m "update submodule" && + + git -C super pull --no-rebase --recurse-submodules && + test_path_is_file super/sub/merge_strategy.t +' + +test_expect_success "submodule.recurse option triggers recursive pull" ' + test_commit -C child merge_strategy_2 && + git -C parent submodule update --remote && + git -C parent add sub && + git -C parent commit -m "update submodule" && + + git -C super -c submodule.recurse pull --no-rebase && + test_path_is_file super/sub/merge_strategy_2.t +' + +test_expect_success " --[no-]recurse-submodule and submodule.recurse" ' + test_commit -C child merge_strategy_3 && + git -C parent submodule update --remote && + git -C parent add sub && + git -C parent commit -m "update submodule" && + + git -C super -c submodule.recurse pull --no-recurse-submodules --no-rebase && + test_path_is_missing super/sub/merge_strategy_3.t && + git -C super -c submodule.recurse=false pull --recurse-submodules --no-rebase && + test_path_is_file super/sub/merge_strategy_3.t && + + test_commit -C child merge_strategy_4 && + git -C parent submodule update --remote && + git -C parent add sub && + git -C parent commit -m "update submodule" && + + git -C super -c submodule.recurse=false pull --no-recurse-submodules --no-rebase && + test_path_is_missing super/sub/merge_strategy_4.t && + git -C super -c submodule.recurse=true pull --recurse-submodules --no-rebase && + test_path_is_file super/sub/merge_strategy_4.t +' + +test_expect_success "fetch.recurseSubmodules option triggers recursive fetch (but not recursive update)" ' + test_commit -C child merge_strategy_5 && + # Omit the parent commit, otherwise this passes with the + # default "pull" behavior. + + git -C super -c fetch.recursesubmodules=true pull --no-rebase && + # Check that the submodule commit was fetched + sub_oid=$(git -C child rev-parse HEAD) && + git -C super/sub cat-file -e $sub_oid && + # Check that the submodule worktree did not update + ! test_path_is_file super/sub/merge_strategy_5.t +' + +test_expect_success "fetch.recurseSubmodules takes precedence over submodule.recurse" ' + test_commit -C child merge_strategy_6 && + # Omit the parent commit, otherwise this passes with the + # default "pull" behavior. + + git -C super -c submodule.recurse=false -c fetch.recursesubmodules=true pull --no-rebase && + # Check that the submodule commit was fetched + sub_oid=$(git -C child rev-parse HEAD) && + git -C super/sub cat-file -e $sub_oid && + # Check that the submodule worktree did not update + ! test_path_is_file super/sub/merge_strategy_6.t +' + +test_expect_success 'pull --rebase --recurse-submodules (remote superproject submodule changes, local submodule changes)' ' + # This tests the following scenario : + # - local submodule has new commits + # - local superproject does not have new commits + # - upstream superproject has new commits that change the submodule pointer + + # change upstream + test_commit -C child rebase_strategy && + git -C parent submodule update --remote && + git -C parent add sub && + git -C parent commit -m "update submodule" && + + # also have local commits + test_commit -C super/sub local_stuff && + + git -C super pull --rebase --recurse-submodules && + test_path_is_file super/sub/rebase_strategy.t && + test_path_is_file super/sub/local_stuff.t +' + +test_expect_success 'pull --rebase --recurse-submodules fails if both sides record submodule changes' ' + # This tests the following scenario : + # - local superproject has new commits that change the submodule pointer + # - upstream superproject has new commits that change the submodule pointer + + # local changes in submodule recorded in superproject: + test_commit -C super/sub local_stuff_2 && + git -C super add sub && + git -C super commit -m "local update submodule" && + + # and in the remote as well: + test_commit -C child important_upstream_work && + git -C parent submodule update --remote && + git -C parent add sub && + git -C parent commit -m "remote update submodule" && + + # Unfortunately we fail here, despite no conflict in the + # submodule itself, but the merge strategy in submodules + # does not support rebase: + test_must_fail git -C super pull --rebase --recurse-submodules 2>err && + test_i18ngrep "locally recorded submodule modifications" err +' + +test_expect_success 'pull --rebase --recurse-submodules (no submodule changes, no fork-point)' ' + # This tests the following scenario : + # - local submodule does not have new commits + # - local superproject has new commits that *do not* change the submodule pointer + # - upstream superproject has new commits that *do not* change the submodule pointer + # - local superproject branch has no fork-point with its remote-tracking counter-part + + # create upstream superproject + test_create_repo submodule && + test_commit -C submodule first_in_sub && + + test_create_repo superprojet && + test_commit -C superprojet first_in_super && + git -C superprojet submodule add ../submodule && + git -C superprojet commit -m "add submodule" && + test_commit -C superprojet third_in_super && + + # clone superproject + git clone --recurse-submodules superprojet superclone && + + # add commits upstream + test_commit -C superprojet fourth_in_super && + + # create topic branch in clone, not based on any remote-tracking branch + git -C superclone checkout -b feat HEAD~1 && + test_commit -C superclone first_on_feat && + git -C superclone pull --rebase --recurse-submodules origin HEAD +' + +# NOTE: +# +# This test is particular because there is only a single commit in the upstream superproject +# 'parent' (which adds the submodule 'a-submodule'). The clone of the superproject +# ('child') hard-resets its branch to a new root commit with the same tree as the one +# from the upstream superproject, so that its branch has no merge-base with its +# remote-tracking counterpart, and then calls 'git pull --recurse-submodules --rebase'. +# The result is that the local branch is reset to the remote-tracking branch (as it was +# originally before the hard-reset). + +# The only commit in the range generated by 'submodule.c::submodule_touches_in_range' and +# passed to 'submodule.c::collect_changed_submodules' is the new (regenerated) initial commit, +# which adds the submodule. +# However, 'submodule_touches_in_range' does not error (even though this commit adds the submodule) +# because 'combine-diff.c::diff_tree_combined' returns early, as the initial commit has no parents. +test_expect_success 'branch has no merge base with remote-tracking counterpart' ' + rm -rf parent child && + + test_create_repo a-submodule && + test_commit -C a-submodule foo && + + test_create_repo parent && + git -C parent submodule add "$(pwd)/a-submodule" && + git -C parent commit -m foo && + + git clone parent child && + + # Reset the current branch so that it has no merge base with + # the remote-tracking branch. + OTHER=$(git -C child commit-tree -m bar \ + $(git -C child rev-parse HEAD^{tree})) && + git -C child reset --hard "$OTHER" && + + git -C child pull --recurse-submodules --rebase +' + +test_done |