git/t/t4011-diff-symlink.sh
Junio C Hamano 78bce6c7e9 Merge branch 'jk/no-textconv-symlink' into maint
* jk/no-textconv-symlink:
  diff: don't use pathname-based diff drivers for symlinks
2010-11-24 12:46:20 -08:00

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#!/bin/sh
#
# Copyright (c) 2005 Johannes Schindelin
#
test_description='Test diff of symlinks.
'
. ./test-lib.sh
. "$TEST_DIRECTORY"/diff-lib.sh
cat > expected << EOF
diff --git a/frotz b/frotz
new file mode 120000
index 0000000..7c465af
--- /dev/null
+++ b/frotz
@@ -0,0 +1 @@
+xyzzy
\ No newline at end of file
EOF
test_expect_success SYMLINKS \
'diff new symlink' \
'ln -s xyzzy frotz &&
git update-index &&
tree=$(git write-tree) &&
git update-index --add frotz &&
GIT_DIFF_OPTS=--unified=0 git diff-index -M -p $tree > current &&
compare_diff_patch current expected'
test_expect_success SYMLINKS \
'diff unchanged symlink' \
'tree=$(git write-tree) &&
git update-index frotz &&
test -z "$(git diff-index --name-only $tree)"'
cat > expected << EOF
diff --git a/frotz b/frotz
deleted file mode 120000
index 7c465af..0000000
--- a/frotz
+++ /dev/null
@@ -1 +0,0 @@
-xyzzy
\ No newline at end of file
EOF
test_expect_success SYMLINKS \
'diff removed symlink' \
'mv frotz frotz2 &&
git diff-index -M -p $tree > current &&
compare_diff_patch current expected'
cat > expected << EOF
diff --git a/frotz b/frotz
EOF
test_expect_success SYMLINKS \
'diff identical, but newly created symlink' \
'ln -s xyzzy frotz &&
git diff-index -M -p $tree > current &&
compare_diff_patch current expected'
cat > expected << EOF
diff --git a/frotz b/frotz
index 7c465af..df1db54 120000
--- a/frotz
+++ b/frotz
@@ -1 +1 @@
-xyzzy
\ No newline at end of file
+yxyyz
\ No newline at end of file
EOF
test_expect_success SYMLINKS \
'diff different symlink' \
'rm frotz &&
ln -s yxyyz frotz &&
git diff-index -M -p $tree > current &&
compare_diff_patch current expected'
test_expect_success SYMLINKS \
'diff symlinks with non-existing targets' \
'ln -s narf pinky &&
ln -s take\ over brain &&
test_must_fail git diff --no-index pinky brain > output 2> output.err &&
grep narf output &&
! grep error output.err'
test_expect_success SYMLINKS 'setup symlinks with attributes' '
echo "*.bin diff=bin" >>.gitattributes &&
echo content >file.bin &&
ln -s file.bin link.bin &&
git add -N file.bin link.bin
'
cat >expect <<'EOF'
diff --git a/file.bin b/file.bin
index e69de29..d95f3ad 100644
Binary files a/file.bin and b/file.bin differ
diff --git a/link.bin b/link.bin
index e69de29..dce41ec 120000
--- a/link.bin
+++ b/link.bin
@@ -0,0 +1 @@
+file.bin
\ No newline at end of file
EOF
test_expect_success SYMLINKS 'symlinks do not respect userdiff config by path' '
git config diff.bin.binary true &&
git diff file.bin link.bin >actual &&
test_cmp expect actual
'
test_done