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Diffstat (limited to 'third_party/git/t/t4011-diff-symlink.sh')
| -rwxr-xr-x | third_party/git/t/t4011-diff-symlink.sh | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/third_party/git/t/t4011-diff-symlink.sh b/third_party/git/t/t4011-diff-symlink.sh new file mode 100755 index 000000000000..717034bb50b5 --- /dev/null +++ b/third_party/git/t/t4011-diff-symlink.sh @@ -0,0 +1,175 @@ +#!/bin/sh +# +# Copyright (c) 2005 Johannes Schindelin +# + +test_description='Test diff of symlinks. + +' +. ./test-lib.sh +. "$TEST_DIRECTORY"/diff-lib.sh + +# Print the short OID of a symlink with the given name. +symlink_oid () { + local oid=$(printf "%s" "$1" | git hash-object --stdin) && + git rev-parse --short "$oid" +} + +# Print the short OID of the given file. +short_oid () { + local oid=$(git hash-object "$1") && + git rev-parse --short "$oid" +} + +test_expect_success 'diff new symlink and file' ' + symlink=$(symlink_oid xyzzy) && + cat >expected <<-EOF && + diff --git a/frotz b/frotz + new file mode 120000 + index 0000000..$symlink + --- /dev/null + +++ b/frotz + @@ -0,0 +1 @@ + +xyzzy + \ No newline at end of file + diff --git a/nitfol b/nitfol + new file mode 100644 + index 0000000..$symlink + --- /dev/null + +++ b/nitfol + @@ -0,0 +1 @@ + +xyzzy + EOF + + # the empty tree + git update-index && + tree=$(git write-tree) && + + test_ln_s_add xyzzy frotz && + echo xyzzy >nitfol && + git update-index --add nitfol && + GIT_DIFF_OPTS=--unified=0 git diff-index -M -p $tree >current && + compare_diff_patch expected current +' + +test_expect_success 'diff unchanged symlink and file' ' + tree=$(git write-tree) && + git update-index frotz nitfol && + test -z "$(git diff-index --name-only $tree)" +' + +test_expect_success 'diff removed symlink and file' ' + cat >expected <<-EOF && + diff --git a/frotz b/frotz + deleted file mode 120000 + index $symlink..0000000 + --- a/frotz + +++ /dev/null + @@ -1 +0,0 @@ + -xyzzy + \ No newline at end of file + diff --git a/nitfol b/nitfol + deleted file mode 100644 + index $symlink..0000000 + --- a/nitfol + +++ /dev/null + @@ -1 +0,0 @@ + -xyzzy + EOF + mv frotz frotz2 && + mv nitfol nitfol2 && + git diff-index -M -p $tree >current && + compare_diff_patch expected current +' + +test_expect_success 'diff identical, but newly created symlink and file' ' + >expected && + rm -f frotz nitfol && + echo xyzzy >nitfol && + test-tool chmtime +10 nitfol && + if test_have_prereq SYMLINKS + then + ln -s xyzzy frotz + else + printf xyzzy >frotz + # the symlink property propagates from the index + fi && + git diff-index -M -p $tree >current && + compare_diff_patch expected current && + + >expected && + git diff-index -M -p -w $tree >current && + compare_diff_patch expected current +' + +test_expect_success 'diff different symlink and file' ' + new=$(symlink_oid yxyyz) && + cat >expected <<-EOF && + diff --git a/frotz b/frotz + index $symlink..$new 120000 + --- a/frotz + +++ b/frotz + @@ -1 +1 @@ + -xyzzy + \ No newline at end of file + +yxyyz + \ No newline at end of file + diff --git a/nitfol b/nitfol + index $symlink..$new 100644 + --- a/nitfol + +++ b/nitfol + @@ -1 +1 @@ + -xyzzy + +yxyyz + EOF + rm -f frotz && + if test_have_prereq SYMLINKS + then + ln -s yxyyz frotz + else + printf yxyyz >frotz + # the symlink property propagates from the index + fi && + echo yxyyz >nitfol && + git diff-index -M -p $tree >current && + compare_diff_patch expected current +' + +test_expect_success SYMLINKS 'diff symlinks with non-existing targets' ' + ln -s narf pinky && + ln -s take\ over brain && + test_must_fail git diff --no-index pinky brain >output 2>output.err && + grep narf output && + test_must_be_empty output.err +' + +test_expect_success SYMLINKS 'setup symlinks with attributes' ' + echo "*.bin diff=bin" >>.gitattributes && + echo content >file.bin && + ln -s file.bin link.bin && + git add -N file.bin link.bin +' + +test_expect_success SYMLINKS 'symlinks do not respect userdiff config by path' ' + file=$(short_oid file.bin) && + link=$(symlink_oid file.bin) && + cat >expect <<-EOF && + diff --git a/file.bin b/file.bin + new file mode 100644 + index 0000000..$file + Binary files /dev/null and b/file.bin differ + diff --git a/link.bin b/link.bin + new file mode 120000 + index 0000000..$link + --- /dev/null + +++ b/link.bin + @@ -0,0 +1 @@ + +file.bin + \ No newline at end of file + EOF + git config diff.bin.binary true && + git diff file.bin link.bin >actual && + test_cmp expect actual +' + +test_done |