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submodule.c: write "Fetching submodule <foo>" to stderr
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The "Pushing submodule <foo>" progress output correctly goes to
stderr, but "Fetching submodule <foo>" is going to stdout by
mistake.  Fix it to write to stderr.

Noticed while trying to implement a parallel submodule fetch.  When
this particular output line went to a different file descriptor, it
was buffered separately, resulting in wrongly interleaved output if
we copied it to the terminal naively.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Jonathan Nieder authored and Junio C Hamano committed Dec 16, 2015
1 parent 4b9ab0e commit fbf7164
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Showing 2 changed files with 27 additions and 26 deletions.
2 changes: 1 addition & 1 deletion submodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -689,7 +689,7 @@ int fetch_populated_submodules(const struct argv_array *options,
git_dir = submodule_git_dir.buf;
if (is_directory(git_dir)) {
if (!quiet)
printf("Fetching submodule %s%s\n", prefix, ce->name);
fprintf(stderr, "Fetching submodule %s%s\n", prefix, ce->name);
cp.dir = submodule_path.buf;
argv_array_push(&argv, default_argv);
argv_array_push(&argv, "--submodule-prefix");
Expand Down
51 changes: 26 additions & 25 deletions t/t5526-fetch-submodules.sh
View file
Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,8 @@ add_upstream_commit() {
git add subfile &&
git commit -m new subfile &&
head2=$(git rev-parse --short HEAD) &&
echo "From $pwd/submodule" > ../expect.err &&
echo "Fetching submodule submodule" > ../expect.err &&
echo "From $pwd/submodule" >> ../expect.err &&
echo " $head1..$head2 master -> origin/master" >> ../expect.err
) &&
(
Expand All @@ -27,6 +28,7 @@ add_upstream_commit() {
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
)
Expand Down Expand Up @@ -56,9 +58,7 @@ test_expect_success setup '
(
cd downstream &&
git submodule update --init --recursive
) &&
echo "Fetching submodule submodule" > expect.out &&
echo "Fetching submodule submodule/subdir/deepsubmodule" >> expect.out
)
'

test_expect_success "fetch --recurse-submodules recurses into submodules" '
Expand All @@ -67,7 +67,7 @@ test_expect_success "fetch --recurse-submodules recurses into submodules" '
cd downstream &&
git fetch --recurse-submodules >../actual.out 2>../actual.err
) &&
test_i18ncmp expect.out actual.out &&
test_must_be_empty actual.out &&
test_i18ncmp expect.err actual.err
'

Expand Down Expand Up @@ -96,7 +96,7 @@ test_expect_success "using fetchRecurseSubmodules=true in .gitmodules recurses i
git config -f .gitmodules submodule.submodule.fetchRecurseSubmodules true &&
git fetch >../actual.out 2>../actual.err
) &&
test_i18ncmp expect.out actual.out &&
test_must_be_empty actual.out &&
test_i18ncmp expect.err actual.err
'

Expand Down Expand Up @@ -127,7 +127,7 @@ test_expect_success "--recurse-submodules overrides fetchRecurseSubmodules setti
git config --unset -f .gitmodules submodule.submodule.fetchRecurseSubmodules &&
git config --unset submodule.submodule.fetchRecurseSubmodules
) &&
test_i18ncmp expect.out actual.out &&
test_must_be_empty actual.out &&
test_i18ncmp expect.err actual.err
'

Expand All @@ -146,7 +146,7 @@ test_expect_success "--dry-run propagates to submodules" '
cd downstream &&
git fetch --recurse-submodules --dry-run >../actual.out 2>../actual.err
) &&
test_i18ncmp expect.out actual.out &&
test_must_be_empty actual.out &&
test_i18ncmp expect.err actual.err
'

Expand All @@ -155,7 +155,7 @@ test_expect_success "Without --dry-run propagates to submodules" '
cd downstream &&
git fetch --recurse-submodules >../actual.out 2>../actual.err
) &&
test_i18ncmp expect.out actual.out &&
test_must_be_empty actual.out &&
test_i18ncmp expect.err actual.err
'

Expand All @@ -166,7 +166,7 @@ test_expect_success "recurseSubmodules=true propagates into submodules" '
git config fetch.recurseSubmodules true
git fetch >../actual.out 2>../actual.err
) &&
test_i18ncmp expect.out actual.out &&
test_must_be_empty actual.out &&
test_i18ncmp expect.err actual.err
'

Expand All @@ -180,7 +180,7 @@ test_expect_success "--recurse-submodules overrides config in submodule" '
) &&
git fetch --recurse-submodules >../actual.out 2>../actual.err
) &&
test_i18ncmp expect.out actual.out &&
test_must_be_empty actual.out &&
test_i18ncmp expect.err actual.err
'

Expand Down Expand Up @@ -214,16 +214,15 @@ test_expect_success "Recursion stops when no new submodule commits are fetched"
git add submodule &&
git commit -m "new submodule" &&
head2=$(git rev-parse --short HEAD) &&
echo "Fetching submodule submodule" > expect.out.sub &&
echo "From $pwd/." > expect.err.sub &&
echo " $head1..$head2 master -> origin/master" >>expect.err.sub &&
head -2 expect.err >> 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_i18ncmp expect.out.sub actual.out
test_must_be_empty actual.out
'

test_expect_success "Recursion doesn't happen when new superproject commits don't change any submodules" '
Expand Down Expand Up @@ -269,7 +268,7 @@ test_expect_success "Recursion picks up config in submodule" '
)
) &&
test_i18ncmp expect.err.sub actual.err &&
test_i18ncmp expect.out actual.out
test_must_be_empty actual.out
'

test_expect_success "Recursion picks up all submodules when necessary" '
Expand All @@ -285,7 +284,8 @@ test_expect_success "Recursion picks up all submodules when necessary" '
git add subdir/deepsubmodule &&
git commit -m "new deepsubmodule"
head2=$(git rev-parse --short HEAD) &&
echo "From $pwd/submodule" > ../expect.err.sub &&
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) &&
Expand All @@ -295,13 +295,13 @@ test_expect_success "Recursion picks up all submodules when necessary" '
echo "From $pwd/." > expect.err.2 &&
echo " $head1..$head2 master -> origin/master" >> expect.err.2 &&
cat expect.err.sub >> expect.err.2 &&
tail -2 expect.err >> 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_i18ncmp expect.out actual.out
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)" '
Expand All @@ -317,7 +317,8 @@ test_expect_success "'--recurse-submodules=on-demand' doesn't recurse when no ne
git add subdir/deepsubmodule &&
git commit -m "new deepsubmodule" &&
head2=$(git rev-parse --short HEAD) &&
echo "From $pwd/submodule" > ../expect.err.sub &&
echo Fetching submodule submodule > ../expect.err.sub &&
echo "From $pwd/submodule" >> ../expect.err.sub &&
echo " $head1..$head2 master -> origin/master" >> ../expect.err.sub
) &&
(
Expand All @@ -335,7 +336,7 @@ test_expect_success "'--recurse-submodules=on-demand' recurses as deep as necess
git add submodule &&
git commit -m "new submodule" &&
head2=$(git rev-parse --short HEAD) &&
tail -2 expect.err > expect.err.deepsub &&
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 &&
Expand All @@ -354,7 +355,7 @@ test_expect_success "'--recurse-submodules=on-demand' recurses as deep as necess
git config --unset -f .gitmodules submodule.subdir/deepsubmodule.fetchRecursive
)
) &&
test_i18ncmp expect.out actual.out &&
test_must_be_empty actual.out &&
test_i18ncmp expect.err actual.err
'

Expand Down Expand Up @@ -388,7 +389,7 @@ test_expect_success "'fetch.recurseSubmodules=on-demand' overrides global config
head2=$(git rev-parse --short HEAD) &&
echo "From $pwd/." > expect.err.2 &&
echo " $head1..$head2 master -> origin/master" >>expect.err.2 &&
head -2 expect.err >> expect.err.2 &&
head -3 expect.err >> expect.err.2 &&
(
cd downstream &&
git config fetch.recurseSubmodules on-demand &&
Expand All @@ -399,7 +400,7 @@ test_expect_success "'fetch.recurseSubmodules=on-demand' overrides global config
cd downstream &&
git config --unset fetch.recurseSubmodules
) &&
test_i18ncmp expect.out.sub actual.out &&
test_must_be_empty actual.out &&
test_i18ncmp expect.err.2 actual.err
'

Expand All @@ -416,7 +417,7 @@ test_expect_success "'submodule.<sub>.fetchRecurseSubmodules=on-demand' override
head2=$(git rev-parse --short HEAD) &&
echo "From $pwd/." > expect.err.2 &&
echo " $head1..$head2 master -> origin/master" >>expect.err.2 &&
head -2 expect.err >> expect.err.2 &&
head -3 expect.err >> expect.err.2 &&
(
cd downstream &&
git config submodule.submodule.fetchRecurseSubmodules on-demand &&
Expand All @@ -427,7 +428,7 @@ test_expect_success "'submodule.<sub>.fetchRecurseSubmodules=on-demand' override
cd downstream &&
git config --unset submodule.submodule.fetchRecurseSubmodules
) &&
test_i18ncmp expect.out.sub actual.out &&
test_must_be_empty actual.out &&
test_i18ncmp expect.err.2 actual.err
'

Expand Down

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