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#!/bin/sh
test_description='test textconv caching'
. ./test-lib.sh
cat >helper <<'EOF'
#!/bin/sh
sed 's/^/converted: /' "$@" >helper.out
cat helper.out
EOF
chmod +x helper
test_expect_success 'setup' '
echo foo content 1 >foo.bin &&
echo bar content 1 >bar.bin &&
git add . &&
git commit -m one &&
echo foo content 2 >foo.bin &&
echo bar content 2 >bar.bin &&
git commit -a -m two &&
echo "*.bin diff=magic" >.gitattributes &&
git config diff.magic.textconv ./helper &&
git config diff.magic.cachetextconv true
'
cat >expect <<EOF
diff --git a/bar.bin b/bar.bin
index fcf9166..28283d5 100644
--- a/bar.bin
+++ b/bar.bin
@@ -1 +1 @@
-converted: bar content 1
+converted: bar content 2
diff --git a/foo.bin b/foo.bin
index d5b9fe3..1345db2 100644
--- a/foo.bin
+++ b/foo.bin
@@ -1 +1 @@
-converted: foo content 1
+converted: foo content 2
EOF
test_expect_success 'first textconv works' '
git diff HEAD^ HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'cached textconv produces same output' '
git diff HEAD^ HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'cached textconv does not run helper' '
rm -f helper.out &&
git diff HEAD^ HEAD >actual &&
test_cmp expect actual &&
! test -r helper.out
'
cat >expect <<EOF
diff --git a/bar.bin b/bar.bin
index fcf9166..28283d5 100644
--- a/bar.bin
+++ b/bar.bin
@@ -1,2 +1,2 @@
converted: other
-converted: bar content 1
+converted: bar content 2
diff --git a/foo.bin b/foo.bin
index d5b9fe3..1345db2 100644
--- a/foo.bin
+++ b/foo.bin
@@ -1,2 +1,2 @@
converted: other
-converted: foo content 1
+converted: foo content 2
EOF
test_expect_success 'changing textconv invalidates cache' '
echo other >other &&
git config diff.magic.textconv "./helper other" &&
git diff HEAD^ HEAD >actual &&
test_cmp expect actual
'
cat >expect <<EOF
diff --git a/bar.bin b/bar.bin
index fcf9166..28283d5 100644
--- a/bar.bin
+++ b/bar.bin
@@ -1,2 +1,2 @@
converted: other
-converted: bar content 1
+converted: bar content 2
diff --git a/foo.bin b/foo.bin
index d5b9fe3..1345db2 100644
--- a/foo.bin
+++ b/foo.bin
@@ -1 +1 @@
-converted: foo content 1
+converted: foo content 2
EOF
test_expect_success 'switching diff driver produces correct results' '
git config diff.moremagic.textconv ./helper &&
echo foo.bin diff=moremagic >>.gitattributes &&
git diff HEAD^ HEAD >actual &&
test_cmp expect actual
'
test_done
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