tvl-depot/third_party/git/t/t4255-am-submodule.sh
Vincent Ambo f4609b896f merge(3p/git): Merge git subtree at v2.29.2
This also bumps the stable nixpkgs to 20.09 as of 2020-11-21, because
there is some breakage in the git build related to the netrc
credentials helper which someone has taken care of in nixpkgs.

The stable channel is not used for anything other than git, so this
should be fine.

Change-Id: I3575a19dab09e1e9556cf8231d717de9890484fb
2020-11-21 19:45:56 +01:00

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#!/bin/sh
test_description='git am handling submodules'
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-submodule-update.sh
am () {
git format-patch --stdout --ignore-submodules=dirty "..$1" >patch &&
may_only_be_test_must_fail "$2" &&
$2 git am patch
}
test_submodule_switch_func "am"
am_3way () {
git format-patch --stdout --ignore-submodules=dirty "..$1" >patch &&
may_only_be_test_must_fail "$2" &&
$2 git am --3way patch
}
KNOWN_FAILURE_NOFF_MERGE_ATTEMPTS_TO_MERGE_REMOVED_SUBMODULE_FILES=1
test_submodule_switch_func "am_3way"
test_expect_success 'setup diff.submodule' '
test_commit one &&
INITIAL=$(git rev-parse HEAD) &&
git init submodule &&
(
cd submodule &&
test_commit two &&
git rev-parse HEAD >../initial-submodule
) &&
git submodule add ./submodule &&
git commit -m first &&
(
cd submodule &&
test_commit three &&
git rev-parse HEAD >../first-submodule
) &&
git add submodule &&
git commit -m second &&
SECOND=$(git rev-parse HEAD) &&
(
cd submodule &&
git mv two.t four.t &&
git commit -m "second submodule" &&
git rev-parse HEAD >../second-submodule
) &&
test_commit four &&
git add submodule &&
git commit --amend --no-edit &&
THIRD=$(git rev-parse HEAD) &&
git submodule update --init
'
run_test() {
START_COMMIT=$1 &&
EXPECT=$2 &&
# Abort any merges in progress: the previous
# test may have failed, and we should clean up.
test_might_fail git am --abort &&
git reset --hard $START_COMMIT &&
rm -f *.patch &&
git format-patch -1 &&
git reset --hard $START_COMMIT^ &&
git submodule update &&
git am *.patch &&
git submodule update &&
git -C submodule rev-parse HEAD >actual &&
test_cmp $EXPECT actual
}
test_expect_success 'diff.submodule unset' '
test_unconfig diff.submodule &&
run_test $SECOND first-submodule
'
test_expect_success 'diff.submodule unset with extra file' '
test_unconfig diff.submodule &&
run_test $THIRD second-submodule
'
test_expect_success 'diff.submodule=log' '
test_config diff.submodule log &&
run_test $SECOND first-submodule
'
test_expect_success 'diff.submodule=log with extra file' '
test_config diff.submodule log &&
run_test $THIRD second-submodule
'
test_done