git/t/t5526-fetch-submodules.sh
Stefan Beller a028a1930c fetching submodules: respect submodule.fetchJobs config option
This allows to configure fetching and updating in parallel
without having the command line option.

This moved the responsibility to determine how many parallel processes
to start from builtin/fetch to submodule.c as we need a way to communicate
"The user did not specify the number of parallel processes in the command
line options" in the builtin fetch. The submodule code takes care of
the precedence (CLI > config > default).

Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-03-01 11:57:18 -08:00

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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 "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
'
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_done