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-rwxr-xr-xt/t6038-merge-text-auto.sh217
1 files changed, 217 insertions, 0 deletions
diff --git a/t/t6038-merge-text-auto.sh b/t/t6038-merge-text-auto.sh
new file mode 100755
index 0000000000..5e8d5fa50c
--- /dev/null
+++ b/t/t6038-merge-text-auto.sh
@@ -0,0 +1,217 @@
+#!/bin/sh
+
+test_description='CRLF merge conflict across text=auto change
+
+* [master] remove .gitattributes
+ ! [side] add line from b
+--
+ + [side] add line from b
+* [master] remove .gitattributes
+* [master^] add line from a
+* [master~2] normalize file
+*+ [side^] Initial
+'
+
+. ./test-lib.sh
+
+test_have_prereq SED_STRIPS_CR && SED_OPTIONS=-b
+
+compare_files () {
+ tr '\015\000' QN <"$1" >"$1".expect &&
+ tr '\015\000' QN <"$2" >"$2".actual &&
+ test_cmp "$1".expect "$2".actual &&
+ rm "$1".expect "$2".actual
+}
+
+test_expect_success setup '
+ git config core.autocrlf false &&
+
+ echo first line | append_cr >file &&
+ echo first line >control_file &&
+ echo only line >inert_file &&
+
+ git add file control_file inert_file &&
+ test_tick &&
+ git commit -m "Initial" &&
+ git tag initial &&
+ git branch side &&
+
+ echo "* text=auto" >.gitattributes &&
+ echo first line >file &&
+ git add .gitattributes file &&
+ test_tick &&
+ git commit -m "normalize file" &&
+
+ echo same line | append_cr >>file &&
+ echo same line >>control_file &&
+ git add file control_file &&
+ test_tick &&
+ git commit -m "add line from a" &&
+ git tag a &&
+
+ git rm .gitattributes &&
+ rm file &&
+ git checkout file &&
+ test_tick &&
+ git commit -m "remove .gitattributes" &&
+ git tag c &&
+
+ git checkout side &&
+ echo same line | append_cr >>file &&
+ echo same line >>control_file &&
+ git add file control_file &&
+ test_tick &&
+ git commit -m "add line from b" &&
+ git tag b &&
+
+ git checkout master
+'
+
+test_expect_success 'set up fuzz_conflict() helper' '
+ fuzz_conflict() {
+ sed $SED_OPTIONS -e "s/^\([<>=]......\) .*/\1/" "$@"
+ }
+'
+
+test_expect_success 'Merge after setting text=auto' '
+ cat <<-\EOF >expected &&
+ first line
+ same line
+ EOF
+
+ if test_have_prereq NATIVE_CRLF; then
+ append_cr <expected >expected.temp &&
+ mv expected.temp expected
+ fi &&
+ git config merge.renormalize true &&
+ git rm -fr . &&
+ rm -f .gitattributes &&
+ git reset --hard a &&
+ git merge b &&
+ compare_files expected file
+'
+
+test_expect_success 'Merge addition of text=auto eol=LF' '
+ git config core.eol lf &&
+ cat <<-\EOF >expected &&
+ first line
+ same line
+ EOF
+
+ git config merge.renormalize true &&
+ git rm -fr . &&
+ rm -f .gitattributes &&
+ git reset --hard b &&
+ git merge a &&
+ compare_files expected file
+'
+
+test_expect_success 'Merge addition of text=auto eol=CRLF' '
+ git config core.eol crlf &&
+ cat <<-\EOF >expected &&
+ first line
+ same line
+ EOF
+
+ append_cr <expected >expected.temp &&
+ mv expected.temp expected &&
+ git config merge.renormalize true &&
+ git rm -fr . &&
+ rm -f .gitattributes &&
+ git reset --hard b &&
+ echo >&2 "After git reset --hard b" &&
+ git ls-files -s --eol >&2 &&
+ git merge a &&
+ compare_files expected file
+'
+
+test_expect_success 'Detect CRLF/LF conflict after setting text=auto' '
+ git config core.eol native &&
+ echo "<<<<<<<" >expected &&
+ echo first line >>expected &&
+ echo same line >>expected &&
+ echo ======= >>expected &&
+ echo first line | append_cr >>expected &&
+ echo same line | append_cr >>expected &&
+ echo ">>>>>>>" >>expected &&
+ git config merge.renormalize false &&
+ rm -f .gitattributes &&
+ git reset --hard a &&
+ test_must_fail git merge b &&
+ fuzz_conflict file >file.fuzzy &&
+ compare_files expected file.fuzzy
+'
+
+test_expect_success 'Detect LF/CRLF conflict from addition of text=auto' '
+ echo "<<<<<<<" >expected &&
+ echo first line | append_cr >>expected &&
+ echo same line | append_cr >>expected &&
+ echo ======= >>expected &&
+ echo first line >>expected &&
+ echo same line >>expected &&
+ echo ">>>>>>>" >>expected &&
+ git config merge.renormalize false &&
+ rm -f .gitattributes &&
+ git reset --hard b &&
+ test_must_fail git merge a &&
+ fuzz_conflict file >file.fuzzy &&
+ compare_files expected file.fuzzy
+'
+
+test_expect_failure 'checkout -m after setting text=auto' '
+ cat <<-\EOF >expected &&
+ first line
+ same line
+ EOF
+
+ git config merge.renormalize true &&
+ git rm -fr . &&
+ rm -f .gitattributes &&
+ git reset --hard initial &&
+ git checkout a -- . &&
+ git checkout -m b &&
+ compare_files expected file
+'
+
+test_expect_failure 'checkout -m addition of text=auto' '
+ cat <<-\EOF >expected &&
+ first line
+ same line
+ EOF
+
+ git config merge.renormalize true &&
+ git rm -fr . &&
+ rm -f .gitattributes file &&
+ git reset --hard initial &&
+ git checkout b -- . &&
+ git checkout -m a &&
+ compare_files expected file
+'
+
+test_expect_failure 'cherry-pick patch from after text=auto was added' '
+ append_cr <<-\EOF >expected &&
+ first line
+ same line
+ EOF
+
+ git config merge.renormalize true &&
+ git rm -fr . &&
+ git reset --hard b &&
+ test_must_fail git cherry-pick a >err 2>&1 &&
+ grep "[Nn]othing added" err &&
+ compare_files expected file
+'
+
+test_expect_success 'Test delete/normalize conflict' '
+ git checkout -f side &&
+ git rm -fr . &&
+ rm -f .gitattributes &&
+ git reset --hard initial &&
+ git rm file &&
+ git commit -m "remove file" &&
+ git checkout master &&
+ git reset --hard a^ &&
+ git merge side
+'
+
+test_done