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-rwxr-xr-xt/t3030-merge-recursive.sh656
1 files changed, 656 insertions, 0 deletions
diff --git a/t/t3030-merge-recursive.sh b/t/t3030-merge-recursive.sh
new file mode 100755
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+++ b/t/t3030-merge-recursive.sh
@@ -0,0 +1,656 @@
+#!/bin/sh
+
+test_description='merge-recursive backend test'
+
+. ./test-lib.sh
+
+test_expect_success 'setup 1' '
+
+ echo hello >a &&
+ o0=$(git hash-object a) &&
+ cp a b &&
+ cp a c &&
+ mkdir d &&
+ cp a d/e &&
+
+ test_tick &&
+ git add a b c d/e &&
+ git commit -m initial &&
+ c0=$(git rev-parse --verify HEAD) &&
+ git branch side &&
+ git branch df-1 &&
+ git branch df-2 &&
+ git branch df-3 &&
+ git branch remove &&
+ git branch submod &&
+ git branch copy &&
+ git branch rename &&
+ if test_have_prereq SYMLINKS
+ then
+ git branch rename-ln
+ fi &&
+
+ echo hello >>a &&
+ cp a d/e &&
+ o1=$(git hash-object a) &&
+
+ git add a d/e &&
+
+ test_tick &&
+ git commit -m "master modifies a and d/e" &&
+ c1=$(git rev-parse --verify HEAD) &&
+ ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
+ (
+ echo "100644 blob $o1 a"
+ echo "100644 blob $o0 b"
+ echo "100644 blob $o0 c"
+ echo "100644 blob $o1 d/e"
+ echo "100644 $o1 0 a"
+ echo "100644 $o0 0 b"
+ echo "100644 $o0 0 c"
+ echo "100644 $o1 0 d/e"
+ ) >expected &&
+ test_cmp expected actual
+'
+
+test_expect_success 'setup 2' '
+
+ rm -rf [abcd] &&
+ git checkout side &&
+ ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
+ (
+ echo "100644 blob $o0 a"
+ echo "100644 blob $o0 b"
+ echo "100644 blob $o0 c"
+ echo "100644 blob $o0 d/e"
+ echo "100644 $o0 0 a"
+ echo "100644 $o0 0 b"
+ echo "100644 $o0 0 c"
+ echo "100644 $o0 0 d/e"
+ ) >expected &&
+ test_cmp expected actual &&
+
+ echo goodbye >>a &&
+ o2=$(git hash-object a) &&
+
+ git add a &&
+
+ test_tick &&
+ git commit -m "side modifies a" &&
+ c2=$(git rev-parse --verify HEAD) &&
+ ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
+ (
+ echo "100644 blob $o2 a"
+ echo "100644 blob $o0 b"
+ echo "100644 blob $o0 c"
+ echo "100644 blob $o0 d/e"
+ echo "100644 $o2 0 a"
+ echo "100644 $o0 0 b"
+ echo "100644 $o0 0 c"
+ echo "100644 $o0 0 d/e"
+ ) >expected &&
+ test_cmp expected actual
+'
+
+test_expect_success 'setup 3' '
+
+ rm -rf [abcd] &&
+ git checkout df-1 &&
+ ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
+ (
+ echo "100644 blob $o0 a"
+ echo "100644 blob $o0 b"
+ echo "100644 blob $o0 c"
+ echo "100644 blob $o0 d/e"
+ echo "100644 $o0 0 a"
+ echo "100644 $o0 0 b"
+ echo "100644 $o0 0 c"
+ echo "100644 $o0 0 d/e"
+ ) >expected &&
+ test_cmp expected actual &&
+
+ rm -f b && mkdir b && echo df-1 >b/c && git add b/c &&
+ o3=$(git hash-object b/c) &&
+
+ test_tick &&
+ git commit -m "df-1 makes b/c" &&
+ c3=$(git rev-parse --verify HEAD) &&
+ ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
+ (
+ echo "100644 blob $o0 a"
+ echo "100644 blob $o3 b/c"
+ echo "100644 blob $o0 c"
+ echo "100644 blob $o0 d/e"
+ echo "100644 $o0 0 a"
+ echo "100644 $o3 0 b/c"
+ echo "100644 $o0 0 c"
+ echo "100644 $o0 0 d/e"
+ ) >expected &&
+ test_cmp expected actual
+'
+
+test_expect_success 'setup 4' '
+
+ rm -rf [abcd] &&
+ git checkout df-2 &&
+ ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
+ (
+ echo "100644 blob $o0 a"
+ echo "100644 blob $o0 b"
+ echo "100644 blob $o0 c"
+ echo "100644 blob $o0 d/e"
+ echo "100644 $o0 0 a"
+ echo "100644 $o0 0 b"
+ echo "100644 $o0 0 c"
+ echo "100644 $o0 0 d/e"
+ ) >expected &&
+ test_cmp expected actual &&
+
+ rm -f a && mkdir a && echo df-2 >a/c && git add a/c &&
+ o4=$(git hash-object a/c) &&
+
+ test_tick &&
+ git commit -m "df-2 makes a/c" &&
+ c4=$(git rev-parse --verify HEAD) &&
+ ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
+ (
+ echo "100644 blob $o4 a/c"
+ echo "100644 blob $o0 b"
+ echo "100644 blob $o0 c"
+ echo "100644 blob $o0 d/e"
+ echo "100644 $o4 0 a/c"
+ echo "100644 $o0 0 b"
+ echo "100644 $o0 0 c"
+ echo "100644 $o0 0 d/e"
+ ) >expected &&
+ test_cmp expected actual
+'
+
+test_expect_success 'setup 5' '
+
+ rm -rf [abcd] &&
+ git checkout remove &&
+ ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
+ (
+ echo "100644 blob $o0 a"
+ echo "100644 blob $o0 b"
+ echo "100644 blob $o0 c"
+ echo "100644 blob $o0 d/e"
+ echo "100644 $o0 0 a"
+ echo "100644 $o0 0 b"
+ echo "100644 $o0 0 c"
+ echo "100644 $o0 0 d/e"
+ ) >expected &&
+ test_cmp expected actual &&
+
+ rm -f b &&
+ echo remove-conflict >a &&
+
+ git add a &&
+ git rm b &&
+ o5=$(git hash-object a) &&
+
+ test_tick &&
+ git commit -m "remove removes b and modifies a" &&
+ c5=$(git rev-parse --verify HEAD) &&
+ ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
+ (
+ echo "100644 blob $o5 a"
+ echo "100644 blob $o0 c"
+ echo "100644 blob $o0 d/e"
+ echo "100644 $o5 0 a"
+ echo "100644 $o0 0 c"
+ echo "100644 $o0 0 d/e"
+ ) >expected &&
+ test_cmp expected actual
+
+'
+
+test_expect_success 'setup 6' '
+
+ rm -rf [abcd] &&
+ git checkout df-3 &&
+ ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
+ (
+ echo "100644 blob $o0 a"
+ echo "100644 blob $o0 b"
+ echo "100644 blob $o0 c"
+ echo "100644 blob $o0 d/e"
+ echo "100644 $o0 0 a"
+ echo "100644 $o0 0 b"
+ echo "100644 $o0 0 c"
+ echo "100644 $o0 0 d/e"
+ ) >expected &&
+ test_cmp expected actual &&
+
+ rm -fr d && echo df-3 >d && git add d &&
+ o6=$(git hash-object d) &&
+
+ test_tick &&
+ git commit -m "df-3 makes d" &&
+ c6=$(git rev-parse --verify HEAD) &&
+ ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
+ (
+ echo "100644 blob $o0 a"
+ echo "100644 blob $o0 b"
+ echo "100644 blob $o0 c"
+ echo "100644 blob $o6 d"
+ echo "100644 $o0 0 a"
+ echo "100644 $o0 0 b"
+ echo "100644 $o0 0 c"
+ echo "100644 $o6 0 d"
+ ) >expected &&
+ test_cmp expected actual
+'
+
+test_expect_success 'setup 7' '
+
+ git checkout submod &&
+ git rm d/e &&
+ test_tick &&
+ git commit -m "remove d/e" &&
+ git update-index --add --cacheinfo 160000 $c1 d &&
+ test_tick &&
+ git commit -m "make d/ a submodule"
+'
+
+test_expect_success 'setup 8' '
+ git checkout rename &&
+ git mv a e &&
+ git add e &&
+ test_tick &&
+ git commit -m "rename a->e" &&
+ if test_have_prereq SYMLINKS
+ then
+ git checkout rename-ln &&
+ git mv a e &&
+ ln -s e a &&
+ git add a e &&
+ test_tick &&
+ git commit -m "rename a->e, symlink a->e" &&
+ oln=`printf e | git hash-object --stdin`
+ fi
+'
+
+test_expect_success 'setup 9' '
+ git checkout copy &&
+ cp a e &&
+ git add e &&
+ test_tick &&
+ git commit -m "copy a->e"
+'
+
+test_expect_success 'merge-recursive simple' '
+
+ rm -fr [abcd] &&
+ git checkout -f "$c2" &&
+
+ git merge-recursive "$c0" -- "$c2" "$c1"
+ status=$?
+ case "$status" in
+ 1)
+ : happy
+ ;;
+ *)
+ echo >&2 "why status $status!!!"
+ false
+ ;;
+ esac
+'
+
+test_expect_success 'merge-recursive result' '
+
+ git ls-files -s >actual &&
+ (
+ echo "100644 $o0 1 a"
+ echo "100644 $o2 2 a"
+ echo "100644 $o1 3 a"
+ echo "100644 $o0 0 b"
+ echo "100644 $o0 0 c"
+ echo "100644 $o1 0 d/e"
+ ) >expected &&
+ test_cmp expected actual
+
+'
+
+test_expect_success 'fail if the index has unresolved entries' '
+
+ rm -fr [abcd] &&
+ git checkout -f "$c1" &&
+
+ test_must_fail git merge "$c5" &&
+ test_must_fail git merge "$c5" 2> out &&
+ test_i18ngrep "not possible because you have unmerged files" out &&
+ git add -u &&
+ test_must_fail git merge "$c5" 2> out &&
+ test_i18ngrep "You have not concluded your merge" out &&
+ rm -f .git/MERGE_HEAD &&
+ test_must_fail git merge "$c5" 2> out &&
+ test_i18ngrep "Your local changes to the following files would be overwritten by merge:" out
+'
+
+test_expect_success 'merge-recursive remove conflict' '
+
+ rm -fr [abcd] &&
+ git checkout -f "$c1" &&
+
+ git merge-recursive "$c0" -- "$c1" "$c5"
+ status=$?
+ case "$status" in
+ 1)
+ : happy
+ ;;
+ *)
+ echo >&2 "why status $status!!!"
+ false
+ ;;
+ esac
+'
+
+test_expect_success 'merge-recursive remove conflict' '
+
+ git ls-files -s >actual &&
+ (
+ echo "100644 $o0 1 a"
+ echo "100644 $o1 2 a"
+ echo "100644 $o5 3 a"
+ echo "100644 $o0 0 c"
+ echo "100644 $o1 0 d/e"
+ ) >expected &&
+ test_cmp expected actual
+
+'
+
+test_expect_success 'merge-recursive d/f simple' '
+ rm -fr [abcd] &&
+ git reset --hard &&
+ git checkout -f "$c1" &&
+
+ git merge-recursive "$c0" -- "$c1" "$c3"
+'
+
+test_expect_success 'merge-recursive result' '
+
+ git ls-files -s >actual &&
+ (
+ echo "100644 $o1 0 a"
+ echo "100644 $o3 0 b/c"
+ echo "100644 $o0 0 c"
+ echo "100644 $o1 0 d/e"
+ ) >expected &&
+ test_cmp expected actual
+
+'
+
+test_expect_success 'merge-recursive d/f conflict' '
+
+ rm -fr [abcd] &&
+ git reset --hard &&
+ git checkout -f "$c1" &&
+
+ git merge-recursive "$c0" -- "$c1" "$c4"
+ status=$?
+ case "$status" in
+ 1)
+ : happy
+ ;;
+ *)
+ echo >&2 "why status $status!!!"
+ false
+ ;;
+ esac
+'
+
+test_expect_success 'merge-recursive d/f conflict result' '
+
+ git ls-files -s >actual &&
+ (
+ echo "100644 $o0 1 a"
+ echo "100644 $o1 2 a"
+ echo "100644 $o4 0 a/c"
+ echo "100644 $o0 0 b"
+ echo "100644 $o0 0 c"
+ echo "100644 $o1 0 d/e"
+ ) >expected &&
+ test_cmp expected actual
+
+'
+
+test_expect_success 'merge-recursive d/f conflict the other way' '
+
+ rm -fr [abcd] &&
+ git reset --hard &&
+ git checkout -f "$c4" &&
+
+ git merge-recursive "$c0" -- "$c4" "$c1"
+ status=$?
+ case "$status" in
+ 1)
+ : happy
+ ;;
+ *)
+ echo >&2 "why status $status!!!"
+ false
+ ;;
+ esac
+'
+
+test_expect_success 'merge-recursive d/f conflict result the other way' '
+
+ git ls-files -s >actual &&
+ (
+ echo "100644 $o0 1 a"
+ echo "100644 $o1 3 a"
+ echo "100644 $o4 0 a/c"
+ echo "100644 $o0 0 b"
+ echo "100644 $o0 0 c"
+ echo "100644 $o1 0 d/e"
+ ) >expected &&
+ test_cmp expected actual
+
+'
+
+test_expect_success 'merge-recursive d/f conflict' '
+
+ rm -fr [abcd] &&
+ git reset --hard &&
+ git checkout -f "$c1" &&
+
+ git merge-recursive "$c0" -- "$c1" "$c6"
+ status=$?
+ case "$status" in
+ 1)
+ : happy
+ ;;
+ *)
+ echo >&2 "why status $status!!!"
+ false
+ ;;
+ esac
+'
+
+test_expect_success 'merge-recursive d/f conflict result' '
+
+ git ls-files -s >actual &&
+ (
+ echo "100644 $o1 0 a"
+ echo "100644 $o0 0 b"
+ echo "100644 $o0 0 c"
+ echo "100644 $o6 3 d"
+ echo "100644 $o0 1 d/e"
+ echo "100644 $o1 2 d/e"
+ ) >expected &&
+ test_cmp expected actual
+
+'
+
+test_expect_success 'merge-recursive d/f conflict' '
+
+ rm -fr [abcd] &&
+ git reset --hard &&
+ git checkout -f "$c6" &&
+
+ git merge-recursive "$c0" -- "$c6" "$c1"
+ status=$?
+ case "$status" in
+ 1)
+ : happy
+ ;;
+ *)
+ echo >&2 "why status $status!!!"
+ false
+ ;;
+ esac
+'
+
+test_expect_success 'merge-recursive d/f conflict result' '
+
+ git ls-files -s >actual &&
+ (
+ echo "100644 $o1 0 a"
+ echo "100644 $o0 0 b"
+ echo "100644 $o0 0 c"
+ echo "100644 $o6 2 d"
+ echo "100644 $o0 1 d/e"
+ echo "100644 $o1 3 d/e"
+ ) >expected &&
+ test_cmp expected actual
+
+'
+
+test_expect_success 'reset and 3-way merge' '
+
+ git reset --hard "$c2" &&
+ git read-tree -m "$c0" "$c2" "$c1"
+
+'
+
+test_expect_success 'reset and bind merge' '
+
+ git reset --hard master &&
+ git read-tree --prefix=M/ master &&
+ git ls-files -s >actual &&
+ (
+ echo "100644 $o1 0 M/a"
+ echo "100644 $o0 0 M/b"
+ echo "100644 $o0 0 M/c"
+ echo "100644 $o1 0 M/d/e"
+ echo "100644 $o1 0 a"
+ echo "100644 $o0 0 b"
+ echo "100644 $o0 0 c"
+ echo "100644 $o1 0 d/e"
+ ) >expected &&
+ test_cmp expected actual &&
+
+ git read-tree --prefix=a1/ master &&
+ git ls-files -s >actual &&
+ (
+ echo "100644 $o1 0 M/a"
+ echo "100644 $o0 0 M/b"
+ echo "100644 $o0 0 M/c"
+ echo "100644 $o1 0 M/d/e"
+ echo "100644 $o1 0 a"
+ echo "100644 $o1 0 a1/a"
+ echo "100644 $o0 0 a1/b"
+ echo "100644 $o0 0 a1/c"
+ echo "100644 $o1 0 a1/d/e"
+ echo "100644 $o0 0 b"
+ echo "100644 $o0 0 c"
+ echo "100644 $o1 0 d/e"
+ ) >expected &&
+ test_cmp expected actual &&
+
+ git read-tree --prefix=z/ master &&
+ git ls-files -s >actual &&
+ (
+ echo "100644 $o1 0 M/a"
+ echo "100644 $o0 0 M/b"
+ echo "100644 $o0 0 M/c"
+ echo "100644 $o1 0 M/d/e"
+ echo "100644 $o1 0 a"
+ echo "100644 $o1 0 a1/a"
+ echo "100644 $o0 0 a1/b"
+ echo "100644 $o0 0 a1/c"
+ echo "100644 $o1 0 a1/d/e"
+ echo "100644 $o0 0 b"
+ echo "100644 $o0 0 c"
+ echo "100644 $o1 0 d/e"
+ echo "100644 $o1 0 z/a"
+ echo "100644 $o0 0 z/b"
+ echo "100644 $o0 0 z/c"
+ echo "100644 $o1 0 z/d/e"
+ ) >expected &&
+ test_cmp expected actual
+
+'
+
+test_expect_success 'merge removes empty directories' '
+
+ git reset --hard master &&
+ git checkout -b rm &&
+ git rm d/e &&
+ git commit -mremoved-d/e &&
+ git checkout master &&
+ git merge -s recursive rm &&
+ test_must_fail test -d d
+'
+
+test_expect_failure 'merge-recursive simple w/submodule' '
+
+ git checkout submod &&
+ git merge remove
+'
+
+test_expect_failure 'merge-recursive simple w/submodule result' '
+
+ git ls-files -s >actual &&
+ (
+ echo "100644 $o5 0 a"
+ echo "100644 $o0 0 c"
+ echo "160000 $c1 0 d"
+ ) >expected &&
+ test_cmp expected actual
+'
+
+test_expect_success 'merge-recursive copy vs. rename' '
+ git checkout -f copy &&
+ git merge rename &&
+ ( git ls-tree -r HEAD && git ls-files -s ) >actual &&
+ (
+ echo "100644 blob $o0 b"
+ echo "100644 blob $o0 c"
+ echo "100644 blob $o0 d/e"
+ echo "100644 blob $o0 e"
+ echo "100644 $o0 0 b"
+ echo "100644 $o0 0 c"
+ echo "100644 $o0 0 d/e"
+ echo "100644 $o0 0 e"
+ ) >expected &&
+ test_cmp expected actual
+'
+
+if test_have_prereq SYMLINKS
+then
+ test_expect_failure 'merge-recursive rename vs. rename/symlink' '
+
+ git checkout -f rename &&
+ git merge rename-ln &&
+ ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
+ (
+ echo "120000 blob $oln a"
+ echo "100644 blob $o0 b"
+ echo "100644 blob $o0 c"
+ echo "100644 blob $o0 d/e"
+ echo "100644 blob $o0 e"
+ echo "120000 $oln 0 a"
+ echo "100644 $o0 0 b"
+ echo "100644 $o0 0 c"
+ echo "100644 $o0 0 d/e"
+ echo "100644 $o0 0 e"
+ ) >expected &&
+ test_cmp expected actual
+ '
+fi
+
+
+test_done