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git/t/t4030-diff-textconv.sh
Nguyễn Thái Ngọc Duy 7f814632f5 Use correct grammar in diffstat summary line
"git diff --stat" and "git apply --stat" now learn to print the line
"%d files changed, %d insertions(+), %d deletions(-)" in singular form
whenever applicable. "0 insertions" and "0 deletions" are also omitted
unless they are both zero.

This matches how versions of "diffstat" that are not prehistoric produced
their output, and also makes this line translatable.

[jc: with help from Thomas Dickey in archaeology of "diffstat"]
[jc: squashed Jonathan's updates to illustrations in tutorials and a test]

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-03 23:19:42 -08:00

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#!/bin/sh
test_description='diff.*.textconv tests'
. ./test-lib.sh
find_diff() {
sed '1,/^index /d' | sed '/^-- $/,$d'
}
cat >expect.binary <<'EOF'
Binary files a/file and b/file differ
EOF
cat >expect.text <<'EOF'
--- a/file
+++ b/file
@@ -1 +1,2 @@
0
+1
EOF
cat >hexdump <<'EOF'
#!/bin/sh
perl -e '$/ = undef; $_ = <>; s/./ord($&)/ge; print $_' < "$1"
EOF
chmod +x hexdump
test_expect_success 'setup binary file with history' '
printf "\\0\\n" >file &&
git add file &&
git commit -m one &&
printf "\\01\\n" >>file &&
git add file &&
git commit -m two
'
test_expect_success 'file is considered binary by porcelain' '
git diff HEAD^ HEAD >diff &&
find_diff <diff >actual &&
test_cmp expect.binary actual
'
test_expect_success 'file is considered binary by plumbing' '
git diff-tree -p HEAD^ HEAD >diff &&
find_diff <diff >actual &&
test_cmp expect.binary actual
'
test_expect_success 'setup textconv filters' '
echo file diff=foo >.gitattributes &&
git config diff.foo.textconv "\"$(pwd)\""/hexdump &&
git config diff.fail.textconv false
'
test_expect_success 'diff produces text' '
git diff HEAD^ HEAD >diff &&
find_diff <diff >actual &&
test_cmp expect.text actual
'
test_expect_success 'diff-tree produces binary' '
git diff-tree -p HEAD^ HEAD >diff &&
find_diff <diff >actual &&
test_cmp expect.binary actual
'
test_expect_success 'log produces text' '
git log -1 -p >log &&
find_diff <log >actual &&
test_cmp expect.text actual
'
test_expect_success 'format-patch produces binary' '
git format-patch --no-binary --stdout HEAD^ >patch &&
find_diff <patch >actual &&
test_cmp expect.binary actual
'
test_expect_success 'status -v produces text' '
git reset --soft HEAD^ &&
git status -v >diff &&
find_diff <diff >actual &&
test_cmp expect.text actual &&
git reset --soft HEAD@{1}
'
cat >expect.stat <<'EOF'
file | Bin 2 -> 4 bytes
1 file changed, 0 insertions(+), 0 deletions(-)
EOF
test_expect_success 'diffstat does not run textconv' '
echo file diff=fail >.gitattributes &&
git diff --stat HEAD^ HEAD >actual &&
test_cmp expect.stat actual
'
# restore working setup
echo file diff=foo >.gitattributes
cat >expect.typechange <<'EOF'
--- a/file
+++ /dev/null
@@ -1,2 +0,0 @@
-0
-1
diff --git a/file b/file
new file mode 120000
index 0000000..67be421
--- /dev/null
+++ b/file
@@ -0,0 +1 @@
+frotz
\ No newline at end of file
EOF
# make a symlink the hard way that works on symlink-challenged file systems
test_expect_success 'textconv does not act on symlinks' '
printf frotz > file &&
git add file &&
git ls-files -s | sed -e s/100644/120000/ |
git update-index --index-info &&
git commit -m typechange &&
git show >diff &&
find_diff <diff >actual &&
test_cmp expect.typechange actual
'
test_done