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git/t/t7506-status-submodule.sh
Stefan Beller 40069d6e3a submodule.c: correctly handle nested submodules in is_submodule_modified 
Suppose I have a superproject 'super', with two submodules 'super/sub'
and 'super/sub1'. 'super/sub' itself contains a submodule
'super/sub/subsub'. Now suppose I run, from within 'super':

    echo hi >sub/subsub/stray-file
    echo hi >sub1/stray-file

Currently we get would see the following output in git-status:

    git status --short
     m sub
     ? sub1

With this patch applied, the untracked file in the nested submodule is
displayed as an untracked file on the 'super' level as well.

    git status --short
     ? sub
     ? sub1

This doesn't change the output of 'git status --porcelain=1' for nested
submodules, because its output is always ' M' for either untracked files
or local modifications no matter the nesting level of the submodule.

'git status --porcelain=2' is affected by this change in a nested
submodule, though. Without this patch it would report the direct submodule
as modified and having no untracked files. With this patch it would report
untracked files. Chalk this up as a bug fix.

This bug fix also affects the default output (non-short, non-porcelain)
of git-status, which is not tested here.

Signed-off-by: Stefan Beller <sbeller@google.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-29 17:37:21 -07:00

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#!/bin/sh
test_description='git status for submodule'
. ./test-lib.sh
test_create_repo_with_commit () {
test_create_repo "$1" &&
(
cd "$1" &&
: >bar &&
git add bar &&
git commit -m " Add bar" &&
: >foo &&
git add foo &&
git commit -m " Add foo"
)
}
sanitize_output () {
sed -e "s/$_x40/HASH/" -e "s/$_x40/HASH/" output >output2 &&
mv output2 output
}
test_expect_success 'setup' '
test_create_repo_with_commit sub &&
echo output > .gitignore &&
git add sub .gitignore &&
git commit -m "Add submodule sub"
'
test_expect_success 'status clean' '
git status >output &&
test_i18ngrep "nothing to commit" output
'
test_expect_success 'commit --dry-run -a clean' '
test_must_fail git commit --dry-run -a >output &&
test_i18ngrep "nothing to commit" output
'
test_expect_success 'status with modified file in submodule' '
(cd sub && git reset --hard) &&
echo "changed" >sub/foo &&
git status >output &&
test_i18ngrep "modified: sub (modified content)" output
'
test_expect_success 'status with modified file in submodule (porcelain)' '
(cd sub && git reset --hard) &&
echo "changed" >sub/foo &&
git status --porcelain >output &&
diff output - <<-\EOF
M sub
EOF
'
test_expect_success 'status with modified file in submodule (short)' '
(cd sub && git reset --hard) &&
echo "changed" >sub/foo &&
git status --short >output &&
diff output - <<-\EOF
m sub
EOF
'
test_expect_success 'status with added file in submodule' '
(cd sub && git reset --hard && echo >foo && git add foo) &&
git status >output &&
test_i18ngrep "modified: sub (modified content)" output
'
test_expect_success 'status with added file in submodule (porcelain)' '
(cd sub && git reset --hard && echo >foo && git add foo) &&
git status --porcelain >output &&
diff output - <<-\EOF
M sub
EOF
'
test_expect_success 'status with added file in submodule (short)' '
(cd sub && git reset --hard && echo >foo && git add foo) &&
git status --short >output &&
diff output - <<-\EOF
m sub
EOF
'
test_expect_success 'status with untracked file in submodule' '
(cd sub && git reset --hard) &&
echo "content" >sub/new-file &&
git status >output &&
test_i18ngrep "modified: sub (untracked content)" output
'
test_expect_success 'status -uno with untracked file in submodule' '
git status -uno >output &&
test_i18ngrep "^nothing to commit" output
'
test_expect_success 'status with untracked file in submodule (porcelain)' '
git status --porcelain >output &&
diff output - <<-\EOF
M sub
EOF
'
test_expect_success 'status with untracked file in submodule (short)' '
git status --short >output &&
diff output - <<-\EOF
? sub
EOF
'
test_expect_success 'status with added and untracked file in submodule' '
(cd sub && git reset --hard && echo >foo && git add foo) &&
echo "content" >sub/new-file &&
git status >output &&
test_i18ngrep "modified: sub (modified content, untracked content)" output
'
test_expect_success 'status with added and untracked file in submodule (porcelain)' '
(cd sub && git reset --hard && echo >foo && git add foo) &&
echo "content" >sub/new-file &&
git status --porcelain >output &&
diff output - <<-\EOF
M sub
EOF
'
test_expect_success 'status with modified file in modified submodule' '
(cd sub && git reset --hard) &&
rm sub/new-file &&
(cd sub && echo "next change" >foo && git commit -m "next change" foo) &&
echo "changed" >sub/foo &&
git status >output &&
test_i18ngrep "modified: sub (new commits, modified content)" output
'
test_expect_success 'status with modified file in modified submodule (porcelain)' '
(cd sub && git reset --hard) &&
echo "changed" >sub/foo &&
git status --porcelain >output &&
diff output - <<-\EOF
M sub
EOF
'
test_expect_success 'status with added file in modified submodule' '
(cd sub && git reset --hard && echo >foo && git add foo) &&
git status >output &&
test_i18ngrep "modified: sub (new commits, modified content)" output
'
test_expect_success 'status with added file in modified submodule (porcelain)' '
(cd sub && git reset --hard && echo >foo && git add foo) &&
git status --porcelain >output &&
diff output - <<-\EOF
M sub
EOF
'
test_expect_success 'status with untracked file in modified submodule' '
(cd sub && git reset --hard) &&
echo "content" >sub/new-file &&
git status >output &&
test_i18ngrep "modified: sub (new commits, untracked content)" output
'
test_expect_success 'status with untracked file in modified submodule (porcelain)' '
git status --porcelain >output &&
diff output - <<-\EOF
M sub
EOF
'
test_expect_success 'status with added and untracked file in modified submodule' '
(cd sub && git reset --hard && echo >foo && git add foo) &&
echo "content" >sub/new-file &&
git status >output &&
test_i18ngrep "modified: sub (new commits, modified content, untracked content)" output
'
test_expect_success 'status with added and untracked file in modified submodule (porcelain)' '
(cd sub && git reset --hard && echo >foo && git add foo) &&
echo "content" >sub/new-file &&
git status --porcelain >output &&
diff output - <<-\EOF
M sub
EOF
'
test_expect_success 'setup .git file for sub' '
(cd sub &&
rm -f new-file
REAL="$(pwd)/../.real" &&
mv .git "$REAL"
echo "gitdir: $REAL" >.git) &&
echo .real >>.gitignore &&
git commit -m "added .real to .gitignore" .gitignore
'
test_expect_success 'status with added file in modified submodule with .git file' '
(cd sub && git reset --hard && echo >foo && git add foo) &&
git status >output &&
test_i18ngrep "modified: sub (new commits, modified content)" output
'
test_expect_success 'status with a lot of untracked files in the submodule' '
(
cd sub
i=0 &&
while test $i -lt 1024
do
>some-file-$i
i=$(( $i + 1 ))
done
) &&
git status --porcelain sub 2>err.actual &&
test_must_be_empty err.actual &&
rm err.actual
'
test_expect_success 'rm submodule contents' '
rm -rf sub &&
mkdir sub
'
test_expect_success 'status clean (empty submodule dir)' '
git status >output &&
test_i18ngrep "nothing to commit" output
'
test_expect_success 'status -a clean (empty submodule dir)' '
test_must_fail git commit --dry-run -a >output &&
test_i18ngrep "nothing to commit" output
'
cat >status_expect <<\EOF
AA .gitmodules
A sub1
EOF
test_expect_success 'status with merge conflict in .gitmodules' '
git clone . super &&
test_create_repo_with_commit sub1 &&
test_tick &&
test_create_repo_with_commit sub2 &&
(
cd super &&
prev=$(git rev-parse HEAD) &&
git checkout -b add_sub1 &&
git submodule add ../sub1 &&
git commit -m "add sub1" &&
git checkout -b add_sub2 $prev &&
git submodule add ../sub2 &&
git commit -m "add sub2" &&
git checkout -b merge_conflict_gitmodules &&
test_must_fail git merge add_sub1 &&
git status -s >../status_actual 2>&1
) &&
test_cmp status_actual status_expect
'
sha1_merge_sub1=$(cd sub1 && git rev-parse HEAD)
sha1_merge_sub2=$(cd sub2 && git rev-parse HEAD)
short_sha1_merge_sub1=$(cd sub1 && git rev-parse --short HEAD)
short_sha1_merge_sub2=$(cd sub2 && git rev-parse --short HEAD)
cat >diff_expect <<\EOF
diff --cc .gitmodules
index badaa4c,44f999a..0000000
--- a/.gitmodules
+++ b/.gitmodules
@@@ -1,3 -1,3 +1,9 @@@
++<<<<<<< HEAD
+[submodule "sub2"]
+ path = sub2
+ url = ../sub2
++=======
+ [submodule "sub1"]
+ path = sub1
+ url = ../sub1
++>>>>>>> add_sub1
EOF
cat >diff_submodule_expect <<\EOF
diff --cc .gitmodules
index badaa4c,44f999a..0000000
--- a/.gitmodules
+++ b/.gitmodules
@@@ -1,3 -1,3 +1,9 @@@
++<<<<<<< HEAD
+[submodule "sub2"]
+ path = sub2
+ url = ../sub2
++=======
+ [submodule "sub1"]
+ path = sub1
+ url = ../sub1
++>>>>>>> add_sub1
EOF
test_expect_success 'diff with merge conflict in .gitmodules' '
(
cd super &&
git diff >../diff_actual 2>&1
) &&
test_cmp diff_actual diff_expect
'
test_expect_success 'diff --submodule with merge conflict in .gitmodules' '
(
cd super &&
git diff --submodule >../diff_submodule_actual 2>&1
) &&
test_cmp diff_submodule_actual diff_submodule_expect
'
# We'll setup different cases for further testing:
# sub1 will contain a nested submodule,
# sub2 will have an untracked file
# sub3 will have an untracked repository
test_expect_success 'setup superproject with untracked file in nested submodule' '
(
cd super &&
git clean -dfx &&
rm .gitmodules &&
git submodule add -f ./sub1 &&
git submodule add -f ./sub2 &&
git submodule add -f ./sub1 sub3 &&
git commit -a -m "messy merge in superproject" &&
(
cd sub1 &&
git submodule add ../sub2 &&
git commit -a -m "add sub2 to sub1"
) &&
git add sub1 &&
git commit -a -m "update sub1 to contain nested sub"
) &&
echo content >super/sub1/sub2/file &&
echo content >super/sub2/file &&
git -C super/sub3 clone ../../sub2 untracked_repository
'
test_expect_success 'status with untracked file in nested submodule (porcelain)' '
git -C super status --porcelain >output &&
diff output - <<-\EOF
M sub1
M sub2
M sub3
EOF
'
test_expect_success 'status with untracked file in nested submodule (porcelain=2)' '
git -C super status --porcelain=2 >output &&
sanitize_output output &&
diff output - <<-\EOF
1 .M S..U 160000 160000 160000 HASH HASH sub1
1 .M S..U 160000 160000 160000 HASH HASH sub2
1 .M S..U 160000 160000 160000 HASH HASH sub3
EOF
'
test_expect_success 'status with untracked file in nested submodule (short)' '
git -C super status --short >output &&
diff output - <<-\EOF
? sub1
? sub2
? sub3
EOF
'
test_expect_success 'setup superproject with modified file in nested submodule' '
git -C super/sub1/sub2 add file &&
git -C super/sub2 add file
'
test_expect_success 'status with added file in nested submodule (porcelain)' '
git -C super status --porcelain >output &&
diff output - <<-\EOF
M sub1
M sub2
M sub3
EOF
'
test_expect_success 'status with added file in nested submodule (porcelain=2)' '
git -C super status --porcelain=2 >output &&
sanitize_output output &&
diff output - <<-\EOF
1 .M S.M. 160000 160000 160000 HASH HASH sub1
1 .M S.M. 160000 160000 160000 HASH HASH sub2
1 .M S..U 160000 160000 160000 HASH HASH sub3
EOF
'
test_expect_success 'status with added file in nested submodule (short)' '
git -C super status --short >output &&
diff output - <<-\EOF
m sub1
m sub2
? sub3
EOF
'
test_done
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