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#!/bin/sh
# Copyright (c) 2010, Jens Lehmann
test_description='Recursive "git fetch" for submodules'
. ./test-lib.sh
pwd=$(pwd)
add_upstream_commit() {
(
cd submodule &&
head1=$(git rev-parse --short HEAD) &&
echo new >> subfile &&
test_tick &&
git add subfile &&
git commit -m new subfile &&
head2=$(git rev-parse --short HEAD) &&
echo "Fetching submodule submodule" > ../expect.err &&
echo "From $pwd/submodule" >> ../expect.err &&
echo " $head1..$head2 master -> origin/master" >> ../expect.err
) &&
(
cd deepsubmodule &&
head1=$(git rev-parse --short HEAD) &&
echo new >> deepsubfile &&
test_tick &&
git add deepsubfile &&
git commit -m new deepsubfile &&
head2=$(git rev-parse --short HEAD) &&
echo "Fetching submodule submodule/subdir/deepsubmodule" >> ../expect.err
echo "From $pwd/deepsubmodule" >> ../expect.err &&
echo " $head1..$head2 master -> origin/master" >> ../expect.err
)
}
test_expect_success setup '
mkdir deepsubmodule &&
(
cd deepsubmodule &&
git init &&
echo deepsubcontent > deepsubfile &&
git add deepsubfile &&
git commit -m new deepsubfile
) &&
mkdir submodule &&
(
cd submodule &&
git init &&
echo subcontent > subfile &&
git add subfile &&
git submodule add "$pwd/deepsubmodule" subdir/deepsubmodule &&
git commit -a -m new
) &&
git submodule add "$pwd/submodule" submodule &&
git commit -am initial &&
git clone . downstream &&
(
cd downstream &&
git submodule update --init --recursive
)
'
test_expect_success "fetch --recurse-submodules recurses into submodules" '
add_upstream_commit &&
(
cd downstream &&
git fetch --recurse-submodules >../actual.out 2>../actual.err
) &&
test_must_be_empty actual.out &&
test_i18ncmp expect.err actual.err
'
test_expect_success "submodule.recurse option triggers recursive fetch" '
add_upstream_commit &&
(
cd downstream &&
git -c submodule.recurse fetch >../actual.out 2>../actual.err
) &&
test_must_be_empty actual.out &&
test_i18ncmp expect.err actual.err
'
test_expect_success "fetch --recurse-submodules -j2 has the same output behaviour" '
add_upstream_commit &&
(
cd downstream &&
GIT_TRACE=$(pwd)/../trace.out git fetch --recurse-submodules -j2 2>../actual.err
) &&
test_must_be_empty actual.out &&
test_i18ncmp expect.err actual.err &&
grep "2 tasks" trace.out
'
test_expect_success "fetch alone only fetches superproject" '
add_upstream_commit &&
(
cd downstream &&
git fetch >../actual.out 2>../actual.err
) &&
! test -s actual.out &&
! test -s actual.err
'
test_expect_success "fetch --no-recurse-submodules only fetches superproject" '
(
cd downstream &&
git fetch --no-recurse-submodules >../actual.out 2>../actual.err
) &&
! test -s actual.out &&
! test -s actual.err
'
test_expect_success "using fetchRecurseSubmodules=true in .gitmodules recurses into submodules" '
(
cd downstream &&
git config -f .gitmodules submodule.submodule.fetchRecurseSubmodules true &&
git fetch >../actual.out 2>../actual.err
) &&
test_must_be_empty actual.out &&
test_i18ncmp expect.err actual.err
'
test_expect_success "--no-recurse-submodules overrides .gitmodules config" '
add_upstream_commit &&
(
cd downstream &&
git fetch --no-recurse-submodules >../actual.out 2>../actual.err
) &&
! test -s actual.out &&
! test -s actual.err
'
test_expect_success "using fetchRecurseSubmodules=false in .git/config overrides setting in .gitmodules" '
(
cd downstream &&
git config submodule.submodule.fetchRecurseSubmodules false &&
git fetch >../actual.out 2>../actual.err
) &&
! test -s actual.out &&
! test -s actual.err
'
test_expect_success "--recurse-submodules overrides fetchRecurseSubmodules setting from .git/config" '
(
cd downstream &&
git fetch --recurse-submodules >../actual.out 2>../actual.err &&
git config --unset -f .gitmodules submodule.submodule.fetchRecurseSubmodules &&
git config --unset submodule.submodule.fetchRecurseSubmodules
) &&
test_must_be_empty actual.out &&
test_i18ncmp expect.err actual.err
'
test_expect_success "--quiet propagates to submodules" '
(
cd downstream &&
git fetch --recurse-submodules --quiet >../actual.out 2>../actual.err
) &&
! test -s actual.out &&
! test -s actual.err
'
test_expect_success "--quiet propagates to parallel submodules" '
(
cd downstream &&
git fetch --recurse-submodules -j 2 --quiet >../actual.out 2>../actual.err
) &&
! test -s actual.out &&
! test -s actual.err
'
test_expect_success "--dry-run propagates to submodules" '
add_upstream_commit &&
(
cd downstream &&
git fetch --recurse-submodules --dry-run >../actual.out 2>../actual.err
) &&
test_must_be_empty actual.out &&
test_i18ncmp expect.err actual.err
'
test_expect_success "Without --dry-run propagates to submodules" '
(
cd downstream &&
git fetch --recurse-submodules >../actual.out 2>../actual.err
) &&
test_must_be_empty actual.out &&
test_i18ncmp expect.err actual.err
'
test_expect_success "recurseSubmodules=true propagates into submodules" '
add_upstream_commit &&
(
cd downstream &&
git config fetch.recurseSubmodules true &&
git fetch >../actual.out 2>../actual.err
) &&
test_must_be_empty actual.out &&
test_i18ncmp expect.err actual.err
'
test_expect_success "--recurse-submodules overrides config in submodule" '
add_upstream_commit &&
(
cd downstream &&
(
cd submodule &&
git config fetch.recurseSubmodules false
) &&
git fetch --recurse-submodules >../actual.out 2>../actual.err
) &&
test_must_be_empty actual.out &&
test_i18ncmp expect.err actual.err
'
test_expect_success "--no-recurse-submodules overrides config setting" '
add_upstream_commit &&
(
cd downstream &&
git config fetch.recurseSubmodules true &&
git fetch --no-recurse-submodules >../actual.out 2>../actual.err
) &&
! test -s actual.out &&
! test -s actual.err
'
test_expect_success "Recursion doesn't happen when no new commits are fetched in the superproject" '
(
cd downstream &&
(
cd submodule &&
git config --unset fetch.recurseSubmodules
) &&
git config --unset fetch.recurseSubmodules &&
git fetch >../actual.out 2>../actual.err
) &&
! test -s actual.out &&
! test -s actual.err
'
test_expect_success "Recursion stops when no new submodule commits are fetched" '
head1=$(git rev-parse --short HEAD) &&
git add submodule &&
git commit -m "new submodule" &&
head2=$(git rev-parse --short HEAD) &&
echo "From $pwd/." > expect.err.sub &&
echo " $head1..$head2 master -> origin/master" >>expect.err.sub &&
head -3 expect.err >> expect.err.sub &&
(
cd downstream &&
git fetch >../actual.out 2>../actual.err
) &&
test_i18ncmp expect.err.sub actual.err &&
test_must_be_empty actual.out
'
test_expect_success "Recursion doesn't happen when new superproject commits don't change any submodules" '
add_upstream_commit &&
head1=$(git rev-parse --short HEAD) &&
echo a > file &&
git add file &&
git commit -m "new file" &&
head2=$(git rev-parse --short HEAD) &&
echo "From $pwd/." > expect.err.file &&
echo " $head1..$head2 master -> origin/master" >> expect.err.file &&
(
cd downstream &&
git fetch >../actual.out 2>../actual.err
) &&
! test -s actual.out &&
test_i18ncmp expect.err.file actual.err
'
test_expect_success "Recursion picks up config in submodule" '
(
cd downstream &&
git fetch --recurse-submodules &&
(
cd submodule &&
git config fetch.recurseSubmodules true
)
) &&
add_upstream_commit &&
head1=$(git rev-parse --short HEAD) &&
git add submodule &&
git commit -m "new submodule" &&
head2=$(git rev-parse --short HEAD) &&
echo "From $pwd/." > expect.err.sub &&
echo " $head1..$head2 master -> origin/master" >> expect.err.sub &&
cat expect.err >> expect.err.sub &&
(
cd downstream &&
git fetch >../actual.out 2>../actual.err &&
(
cd submodule &&
git config --unset fetch.recurseSubmodules
)
) &&
test_i18ncmp expect.err.sub actual.err &&
test_must_be_empty actual.out
'
test_expect_success "Recursion picks up all submodules when necessary" '
add_upstream_commit &&
(
cd submodule &&
(
cd subdir/deepsubmodule &&
git fetch &&
git checkout -q FETCH_HEAD
) &&
head1=$(git rev-parse --short HEAD^) &&
git add subdir/deepsubmodule &&
git commit -m "new deepsubmodule" &&
head2=$(git rev-parse --short HEAD) &&
echo "Fetching submodule submodule" > ../expect.err.sub &&
echo "From $pwd/submodule" >> ../expect.err.sub &&
echo " $head1..$head2 master -> origin/master" >> ../expect.err.sub
) &&
head1=$(git rev-parse --short HEAD) &&
git add submodule &&
git commit -m "new submodule" &&
head2=$(git rev-parse --short HEAD) &&
echo "From $pwd/." > expect.err.2 &&
echo " $head1..$head2 master -> origin/master" >> expect.err.2 &&
cat expect.err.sub >> expect.err.2 &&
tail -3 expect.err >> expect.err.2 &&
(
cd downstream &&
git fetch >../actual.out 2>../actual.err
) &&
test_i18ncmp expect.err.2 actual.err &&
test_must_be_empty actual.out
'
test_expect_success "'--recurse-submodules=on-demand' doesn't recurse when no new commits are fetched in the superproject (and ignores config)" '
add_upstream_commit &&
(
cd submodule &&
(
cd subdir/deepsubmodule &&
git fetch &&
git checkout -q FETCH_HEAD
) &&
head1=$(git rev-parse --short HEAD^) &&
git add subdir/deepsubmodule &&
git commit -m "new deepsubmodule" &&
head2=$(git rev-parse --short HEAD) &&
echo Fetching submodule submodule > ../expect.err.sub &&
echo "From $pwd/submodule" >> ../expect.err.sub &&
echo " $head1..$head2 master -> origin/master" >> ../expect.err.sub
) &&
(
cd downstream &&
git config fetch.recurseSubmodules true &&
git fetch --recurse-submodules=on-demand >../actual.out 2>../actual.err &&
git config --unset fetch.recurseSubmodules
) &&
! test -s actual.out &&
! test -s actual.err
'
test_expect_success "'--recurse-submodules=on-demand' recurses as deep as necessary (and ignores config)" '
head1=$(git rev-parse --short HEAD) &&
git add submodule &&
git commit -m "new submodule" &&
head2=$(git rev-parse --short HEAD) &&
tail -3 expect.err > expect.err.deepsub &&
echo "From $pwd/." > expect.err &&
echo " $head1..$head2 master -> origin/master" >>expect.err &&
cat expect.err.sub >> expect.err &&
cat expect.err.deepsub >> expect.err &&
(
cd downstream &&
git config fetch.recurseSubmodules false &&
(
cd submodule &&
git config -f .gitmodules submodule.subdir/deepsubmodule.fetchRecursive false
) &&
git fetch --recurse-submodules=on-demand >../actual.out 2>../actual.err &&
git config --unset fetch.recurseSubmodules
(
cd submodule &&
git config --unset -f .gitmodules submodule.subdir/deepsubmodule.fetchRecursive
)
) &&
test_must_be_empty actual.out &&
test_i18ncmp expect.err actual.err
'
test_expect_success "'--recurse-submodules=on-demand' stops when no new submodule commits are found in the superproject (and ignores config)" '
add_upstream_commit &&
head1=$(git rev-parse --short HEAD) &&
echo a >> file &&
git add file &&
git commit -m "new file" &&
head2=$(git rev-parse --short HEAD) &&
echo "From $pwd/." > expect.err.file &&
echo " $head1..$head2 master -> origin/master" >> expect.err.file &&
(
cd downstream &&
git fetch --recurse-submodules=on-demand >../actual.out 2>../actual.err
) &&
! test -s actual.out &&
test_i18ncmp expect.err.file actual.err
'
test_expect_success "'fetch.recurseSubmodules=on-demand' overrides global config" '
(
cd downstream &&
git fetch --recurse-submodules
) &&
add_upstream_commit &&
git config --global fetch.recurseSubmodules false &&
head1=$(git rev-parse --short HEAD) &&
git add submodule &&
git commit -m "new submodule" &&
head2=$(git rev-parse --short HEAD) &&
echo "From $pwd/." > expect.err.2 &&
echo " $head1..$head2 master -> origin/master" >>expect.err.2 &&
head -3 expect.err >> expect.err.2 &&
(
cd downstream &&
git config fetch.recurseSubmodules on-demand &&
git fetch >../actual.out 2>../actual.err
) &&
git config --global --unset fetch.recurseSubmodules &&
(
cd downstream &&
git config --unset fetch.recurseSubmodules
) &&
test_must_be_empty actual.out &&
test_i18ncmp expect.err.2 actual.err
'
test_expect_success "'submodule.<sub>.fetchRecurseSubmodules=on-demand' overrides fetch.recurseSubmodules" '
(
cd downstream &&
git fetch --recurse-submodules
) &&
add_upstream_commit &&
git config fetch.recurseSubmodules false &&
head1=$(git rev-parse --short HEAD) &&
git add submodule &&
git commit -m "new submodule" &&
head2=$(git rev-parse --short HEAD) &&
echo "From $pwd/." > expect.err.2 &&
echo " $head1..$head2 master -> origin/master" >>expect.err.2 &&
head -3 expect.err >> expect.err.2 &&
(
cd downstream &&
git config submodule.submodule.fetchRecurseSubmodules on-demand &&
git fetch >../actual.out 2>../actual.err
) &&
git config --unset fetch.recurseSubmodules &&
(
cd downstream &&
git config --unset submodule.submodule.fetchRecurseSubmodules
) &&
test_must_be_empty actual.out &&
test_i18ncmp expect.err.2 actual.err
'
test_expect_success "don't fetch submodule when newly recorded commits are already present" '
(
cd submodule &&
git checkout -q HEAD^^
) &&
head1=$(git rev-parse --short HEAD) &&
git add submodule &&
git commit -m "submodule rewound" &&
head2=$(git rev-parse --short HEAD) &&
echo "From $pwd/." > expect.err &&
echo " $head1..$head2 master -> origin/master" >> expect.err &&
(
cd downstream &&
git fetch >../actual.out 2>../actual.err
) &&
! test -s actual.out &&
test_i18ncmp expect.err actual.err &&
(
cd submodule &&
git checkout -q master
)
'
test_expect_success "'fetch.recurseSubmodules=on-demand' works also without .gitmodule entry" '
(
cd downstream &&
git fetch --recurse-submodules
) &&
add_upstream_commit &&
head1=$(git rev-parse --short HEAD) &&
git add submodule &&
git rm .gitmodules &&
git commit -m "new submodule without .gitmodules" &&
printf "" >expect.out &&
head2=$(git rev-parse --short HEAD) &&
echo "From $pwd/." >expect.err.2 &&
echo " $head1..$head2 master -> origin/master" >>expect.err.2 &&
head -3 expect.err >>expect.err.2 &&
(
cd downstream &&
rm .gitmodules &&
git config fetch.recurseSubmodules on-demand &&
# fake submodule configuration to avoid skipping submodule handling
git config -f .gitmodules submodule.fake.path fake &&
git config -f .gitmodules submodule.fake.url fakeurl &&
git add .gitmodules &&
git config --unset submodule.submodule.url &&
git fetch >../actual.out 2>../actual.err &&
# cleanup
git config --unset fetch.recurseSubmodules &&
git reset --hard
) &&
test_i18ncmp expect.out actual.out &&
test_i18ncmp expect.err.2 actual.err &&
git checkout HEAD^ -- .gitmodules &&
git add .gitmodules &&
git commit -m "new submodule restored .gitmodules"
'
test_expect_success 'fetching submodules respects parallel settings' '
git config fetch.recurseSubmodules true &&
(
cd downstream &&
GIT_TRACE=$(pwd)/trace.out git fetch --jobs 7 &&
grep "7 tasks" trace.out &&
git config submodule.fetchJobs 8 &&
GIT_TRACE=$(pwd)/trace.out git fetch &&
grep "8 tasks" trace.out &&
GIT_TRACE=$(pwd)/trace.out git fetch --jobs 9 &&
grep "9 tasks" trace.out
)
'
test_expect_success 'fetching submodule into a broken repository' '
# Prepare src and src/sub nested in it
git init src &&
(
cd src &&
git init sub &&
git -C sub commit --allow-empty -m "initial in sub" &&
git submodule add -- ./sub sub &&
git commit -m "initial in top"
) &&
# Clone the old-fashoned way
git clone src dst &&
git -C dst clone ../src/sub sub &&
# Make sure that old-fashoned layout is still supported
git -C dst status &&
# "diff" would find no change
git -C dst diff --exit-code &&
# Recursive-fetch works fine
git -C dst fetch --recurse-submodules &&
# Break the receiving submodule
rm -f dst/sub/.git/HEAD &&
# NOTE: without the fix the following tests will recurse forever!
# They should terminate with an error.
test_must_fail git -C dst status &&
test_must_fail git -C dst diff &&
test_must_fail git -C dst fetch --recurse-submodules
'
test_expect_success "fetch new commits when submodule got renamed" '
git clone . downstream_rename &&
(
cd downstream_rename &&
git submodule update --init &&
# NEEDSWORK: we omitted --recursive for the submodule update here since
# that does not work. See test 7001 for mv "moving nested submodules"
# for details. Once that is fixed we should add the --recursive option
# here.
git checkout -b rename &&
git mv submodule submodule_renamed &&
(
cd submodule_renamed &&
git checkout -b rename_sub &&
echo a >a &&
git add a &&
git commit -ma &&
git push origin rename_sub &&
git rev-parse HEAD >../../expect
) &&
git add submodule_renamed &&
git commit -m "update renamed submodule" &&
git push origin rename
) &&
(
cd downstream &&
git fetch --recurse-submodules=on-demand &&
(
cd submodule &&
git rev-parse origin/rename_sub >../../actual
)
) &&
test_cmp expect actual
'
test_done