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git/t/t4041-diff-submodule-option.sh
Brian Gernhardt 6ed7ddaadb t4027,4041: Use test -s to test for an empty file 
The tests used a mixture of 'echo -n' (which is non-portable) and either
test_cmp or diff to check if a file is empty.  The much easier and portable
method to check for an empty file is '! test -s'

While we're in t4027, there was an excess test_done.  Remove it.

Signed-off-by: Brian Gernhardt <brian@gernhardtsoftware.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-06-25 10:54:04 -07:00

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#!/bin/sh
#
# Copyright (c) 2009 Jens Lehmann, based on t7401 by Ping Yin
#
test_description='Support for verbose submodule differences in git diff
This test tries to verify the sanity of the --submodule option of git diff.
'
. ./test-lib.sh
add_file () {
sm=$1
shift
owd=$(pwd)
cd "$sm"
for name; do
echo "$name" > "$name" &&
git add "$name" &&
test_tick &&
git commit -m "Add $name"
done >/dev/null
git rev-parse --verify HEAD | cut -c1-7
cd "$owd"
}
commit_file () {
test_tick &&
git commit "$@" -m "Commit $*" >/dev/null
}
test_create_repo sm1 &&
add_file . foo >/dev/null
head1=$(add_file sm1 foo1 foo2)
test_expect_success 'added submodule' "
git add sm1 &&
git diff-index -p --submodule=log HEAD >actual &&
diff actual - <<-EOF
Submodule sm1 0000000...$head1 (new submodule)
EOF
"
commit_file sm1 &&
head2=$(add_file sm1 foo3)
test_expect_success 'modified submodule(forward)' "
git diff-index -p --submodule=log HEAD >actual &&
diff actual - <<-EOF
Submodule sm1 $head1..$head2:
> Add foo3
EOF
"
test_expect_success 'modified submodule(forward)' "
git diff --submodule=log >actual &&
diff actual - <<-EOF
Submodule sm1 $head1..$head2:
> Add foo3
EOF
"
test_expect_success 'modified submodule(forward) --submodule' "
git diff --submodule >actual &&
diff actual - <<-EOF
Submodule sm1 $head1..$head2:
> Add foo3
EOF
"
fullhead1=$(cd sm1; git rev-list --max-count=1 $head1)
fullhead2=$(cd sm1; git rev-list --max-count=1 $head2)
test_expect_success 'modified submodule(forward) --submodule=short' "
git diff --submodule=short >actual &&
diff actual - <<-EOF
diff --git a/sm1 b/sm1
index $head1..$head2 160000
--- a/sm1
+++ b/sm1
@@ -1 +1 @@
-Subproject commit $fullhead1
+Subproject commit $fullhead2
EOF
"
commit_file sm1 &&
cd sm1 &&
git reset --hard HEAD~2 >/dev/null &&
head3=$(git rev-parse --verify HEAD | cut -c1-7) &&
cd ..
test_expect_success 'modified submodule(backward)' "
git diff-index -p --submodule=log HEAD >actual &&
diff actual - <<-EOF
Submodule sm1 $head2..$head3 (rewind):
< Add foo3
< Add foo2
EOF
"
head4=$(add_file sm1 foo4 foo5) &&
head4_full=$(GIT_DIR=sm1/.git git rev-parse --verify HEAD)
test_expect_success 'modified submodule(backward and forward)' "
git diff-index -p --submodule=log HEAD >actual &&
diff actual - <<-EOF
Submodule sm1 $head2...$head4:
> Add foo5
> Add foo4
< Add foo3
< Add foo2
EOF
"
commit_file sm1 &&
mv sm1 sm1-bak &&
echo sm1 >sm1 &&
head5=$(git hash-object sm1 | cut -c1-7) &&
git add sm1 &&
rm -f sm1 &&
mv sm1-bak sm1
test_expect_success 'typechanged submodule(submodule->blob), --cached' "
git diff --submodule=log --cached >actual &&
diff actual - <<-EOF
Submodule sm1 41fbea9...0000000 (submodule deleted)
diff --git a/sm1 b/sm1
new file mode 100644
index 0000000..9da5fb8
--- /dev/null
+++ b/sm1
@@ -0,0 +1 @@
+sm1
EOF
"
test_expect_success 'typechanged submodule(submodule->blob)' "
git diff --submodule=log >actual &&
diff actual - <<-EOF
diff --git a/sm1 b/sm1
deleted file mode 100644
index 9da5fb8..0000000
--- a/sm1
+++ /dev/null
@@ -1 +0,0 @@
-sm1
Submodule sm1 0000000...$head4 (new submodule)
EOF
"
rm -rf sm1 &&
git checkout-index sm1
test_expect_success 'typechanged submodule(submodule->blob)' "
git diff-index -p --submodule=log HEAD >actual &&
diff actual - <<-EOF
Submodule sm1 $head4...0000000 (submodule deleted)
diff --git a/sm1 b/sm1
new file mode 100644
index 0000000..$head5
--- /dev/null
+++ b/sm1
@@ -0,0 +1 @@
+sm1
EOF
"
rm -f sm1 &&
test_create_repo sm1 &&
head6=$(add_file sm1 foo6 foo7)
fullhead6=$(cd sm1; git rev-list --max-count=1 $head6)
test_expect_success 'nonexistent commit' "
git diff-index -p --submodule=log HEAD >actual &&
diff actual - <<-EOF
Submodule sm1 $head4...$head6 (commits not present)
EOF
"
commit_file
test_expect_success 'typechanged submodule(blob->submodule)' "
git diff-index -p --submodule=log HEAD >actual &&
diff actual - <<-EOF
diff --git a/sm1 b/sm1
deleted file mode 100644
index $head5..0000000
--- a/sm1
+++ /dev/null
@@ -1 +0,0 @@
-sm1
Submodule sm1 0000000...$head6 (new submodule)
EOF
"
commit_file sm1 &&
test_expect_success 'submodule is up to date' "
git diff-index -p --submodule=log HEAD >actual &&
diff actual - <<-EOF
EOF
"
test_expect_success 'submodule contains untracked content' "
echo new > sm1/new-file &&
git diff-index -p --submodule=log HEAD >actual &&
diff actual - <<-EOF
Submodule sm1 contains untracked content
EOF
"
test_expect_success 'submodule contains untracked content (untracked ignored)' "
git diff-index -p --ignore-submodules=untracked --submodule=log HEAD >actual &&
! test -s actual
"
test_expect_success 'submodule contains untracked content (dirty ignored)' "
git diff-index -p --ignore-submodules=dirty --submodule=log HEAD >actual &&
! test -s actual
"
test_expect_success 'submodule contains untracked content (all ignored)' "
git diff-index -p --ignore-submodules=all --submodule=log HEAD >actual &&
! test -s actual
"
test_expect_success 'submodule contains untracked and modifed content' "
echo new > sm1/foo6 &&
git diff-index -p --submodule=log HEAD >actual &&
diff actual - <<-EOF
Submodule sm1 contains untracked content
Submodule sm1 contains modified content
EOF
"
test_expect_success 'submodule contains untracked and modifed content (untracked ignored)' "
echo new > sm1/foo6 &&
git diff-index -p --ignore-submodules=untracked --submodule=log HEAD >actual &&
diff actual - <<-EOF
Submodule sm1 contains modified content
EOF
"
test_expect_success 'submodule contains untracked and modifed content (dirty ignored)' "
echo new > sm1/foo6 &&
git diff-index -p --ignore-submodules=dirty --submodule=log HEAD >actual &&
! test -s actual
"
test_expect_success 'submodule contains untracked and modifed content (all ignored)' "
echo new > sm1/foo6 &&
git diff-index -p --ignore-submodules --submodule=log HEAD >actual &&
! test -s actual
"
test_expect_success 'submodule contains modifed content' "
rm -f sm1/new-file &&
git diff-index -p --submodule=log HEAD >actual &&
diff actual - <<-EOF
Submodule sm1 contains modified content
EOF
"
(cd sm1; git commit -mchange foo6 >/dev/null) &&
head8=$(cd sm1; git rev-parse --verify HEAD | cut -c1-7) &&
test_expect_success 'submodule is modified' "
git diff-index -p --submodule=log HEAD >actual &&
diff actual - <<-EOF
Submodule sm1 $head6..$head8:
> change
EOF
"
test_expect_success 'modified submodule contains untracked content' "
echo new > sm1/new-file &&
git diff-index -p --submodule=log HEAD >actual &&
diff actual - <<-EOF
Submodule sm1 contains untracked content
Submodule sm1 $head6..$head8:
> change
EOF
"
test_expect_success 'modified submodule contains untracked content (untracked ignored)' "
git diff-index -p --ignore-submodules=untracked --submodule=log HEAD >actual &&
diff actual - <<-EOF
Submodule sm1 $head6..$head8:
> change
EOF
"
test_expect_success 'modified submodule contains untracked content (dirty ignored)' "
git diff-index -p --ignore-submodules=dirty --submodule=log HEAD >actual &&
diff actual - <<-EOF
Submodule sm1 $head6..$head8:
> change
EOF
"
test_expect_success 'modified submodule contains untracked content (all ignored)' "
git diff-index -p --ignore-submodules=all --submodule=log HEAD >actual &&
! test -s actual
"
test_expect_success 'modified submodule contains untracked and modifed content' "
echo modification >> sm1/foo6 &&
git diff-index -p --submodule=log HEAD >actual &&
diff actual - <<-EOF
Submodule sm1 contains untracked content
Submodule sm1 contains modified content
Submodule sm1 $head6..$head8:
> change
EOF
"
test_expect_success 'modified submodule contains untracked and modifed content (untracked ignored)' "
echo modification >> sm1/foo6 &&
git diff-index -p --ignore-submodules=untracked --submodule=log HEAD >actual &&
diff actual - <<-EOF
Submodule sm1 contains modified content
Submodule sm1 $head6..$head8:
> change
EOF
"
test_expect_success 'modified submodule contains untracked and modifed content (dirty ignored)' "
echo modification >> sm1/foo6 &&
git diff-index -p --ignore-submodules=dirty --submodule=log HEAD >actual &&
diff actual - <<-EOF
Submodule sm1 $head6..$head8:
> change
EOF
"
test_expect_success 'modified submodule contains untracked and modifed content (all ignored)' "
echo modification >> sm1/foo6 &&
git diff-index -p --ignore-submodules --submodule=log HEAD >actual &&
! test -s actual
"
test_expect_success 'modified submodule contains modifed content' "
rm -f sm1/new-file &&
git diff-index -p --submodule=log HEAD >actual &&
diff actual - <<-EOF
Submodule sm1 contains modified content
Submodule sm1 $head6..$head8:
> change
EOF
"
rm -rf sm1
test_expect_success 'deleted submodule' "
git diff-index -p --submodule=log HEAD >actual &&
diff actual - <<-EOF
Submodule sm1 $head6...0000000 (submodule deleted)
EOF
"
test_create_repo sm2 &&
head7=$(add_file sm2 foo8 foo9) &&
git add sm2
test_expect_success 'multiple submodules' "
git diff-index -p --submodule=log HEAD >actual &&
diff actual - <<-EOF
Submodule sm1 $head6...0000000 (submodule deleted)
Submodule sm2 0000000...$head7 (new submodule)
EOF
"
test_expect_success 'path filter' "
git diff-index -p --submodule=log HEAD sm2 >actual &&
diff actual - <<-EOF
Submodule sm2 0000000...$head7 (new submodule)
EOF
"
commit_file sm2
test_expect_success 'given commit' "
git diff-index -p --submodule=log HEAD^ >actual &&
diff actual - <<-EOF
Submodule sm1 $head6...0000000 (submodule deleted)
Submodule sm2 0000000...$head7 (new submodule)
EOF
"
test_expect_success 'given commit --submodule' "
git diff-index -p --submodule HEAD^ >actual &&
diff actual - <<-EOF
Submodule sm1 $head6...0000000 (submodule deleted)
Submodule sm2 0000000...$head7 (new submodule)
EOF
"
fullhead7=$(cd sm2; git rev-list --max-count=1 $head7)
test_expect_success 'given commit --submodule=short' "
git diff-index -p --submodule=short HEAD^ >actual &&
diff actual - <<-EOF
diff --git a/sm1 b/sm1
deleted file mode 160000
index $head6..0000000
--- a/sm1
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit $fullhead6
diff --git a/sm2 b/sm2
new file mode 160000
index 0000000..$head7
--- /dev/null
+++ b/sm2
@@ -0,0 +1 @@
+Subproject commit $fullhead7
EOF
"
test_expect_success 'setup .git file for sm2' '
(cd sm2 &&
REAL="$(pwd)/../.real" &&
mv .git "$REAL"
echo "gitdir: $REAL" >.git)
'
test_expect_success 'diff --submodule with .git file' '
git diff --submodule HEAD^ >actual &&
diff actual - <<-EOF
Submodule sm1 $head6...0000000 (submodule deleted)
Submodule sm2 0000000...$head7 (new submodule)
EOF
'
test_done
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