From c8bae7493d2f2910b57f13ded012e86bdcfb0532 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 16:47:53 +0200 Subject: Adding upstream version 1:2.39.2. Signed-off-by: Daniel Baumann --- t/t6404-recursive-merge.sh | 153 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 153 insertions(+) create mode 100755 t/t6404-recursive-merge.sh (limited to 't/t6404-recursive-merge.sh') diff --git a/t/t6404-recursive-merge.sh b/t/t6404-recursive-merge.sh new file mode 100755 index 0000000..3621551 --- /dev/null +++ b/t/t6404-recursive-merge.sh @@ -0,0 +1,153 @@ +#!/bin/sh + +test_description='Test merge without common ancestors' +GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main +export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME + +TEST_PASSES_SANITIZE_LEAK=true +. ./test-lib.sh + +# This scenario is based on a real-world repository of Shawn Pearce. + +# 1 - A - D - F +# \ X / +# B X +# X \ +# 2 - C - E - G + +GIT_COMMITTER_DATE="2006-12-12 23:28:00 +0100" +export GIT_COMMITTER_DATE + +test_expect_success 'setup tests' ' + GIT_TEST_COMMIT_GRAPH=0 && + export GIT_TEST_COMMIT_GRAPH && + echo 1 >a1 && + git add a1 && + GIT_AUTHOR_DATE="2006-12-12 23:00:00" git commit -m 1 a1 && + + git checkout -b A main && + echo A >a1 && + GIT_AUTHOR_DATE="2006-12-12 23:00:01" git commit -m A a1 && + + git checkout -b B main && + echo B >a1 && + GIT_AUTHOR_DATE="2006-12-12 23:00:02" git commit -m B a1 && + + git checkout -b D A && + git rev-parse B >.git/MERGE_HEAD && + echo D >a1 && + git update-index a1 && + GIT_AUTHOR_DATE="2006-12-12 23:00:03" git commit -m D && + + git symbolic-ref HEAD refs/heads/other && + echo 2 >a1 && + GIT_AUTHOR_DATE="2006-12-12 23:00:04" git commit -m 2 a1 && + + git checkout -b C && + echo C >a1 && + GIT_AUTHOR_DATE="2006-12-12 23:00:05" git commit -m C a1 && + + git checkout -b E C && + git rev-parse B >.git/MERGE_HEAD && + echo E >a1 && + git update-index a1 && + GIT_AUTHOR_DATE="2006-12-12 23:00:06" git commit -m E && + + git checkout -b G E && + git rev-parse A >.git/MERGE_HEAD && + echo G >a1 && + git update-index a1 && + GIT_AUTHOR_DATE="2006-12-12 23:00:07" git commit -m G && + + git checkout -b F D && + git rev-parse C >.git/MERGE_HEAD && + echo F >a1 && + git update-index a1 && + GIT_AUTHOR_DATE="2006-12-12 23:00:08" git commit -m F && + + test_oid_cache <<-EOF + idxstage1 sha1:ec3fe2a791706733f2d8fa7ad45d9a9672031f5e + idxstage1 sha256:b3c8488929903aaebdeb22270cb6d36e5b8724b01ae0d4da24632f158c99676f + EOF +' + +test_expect_success 'combined merge conflicts' ' + test_must_fail git merge -m final G +' + +test_expect_success 'result contains a conflict' ' + cat >expect <<-\EOF && + <<<<<<< HEAD + F + ======= + G + >>>>>>> G + EOF + + test_cmp expect a1 +' + +test_expect_success 'virtual trees were processed' ' + # TODO: fragile test, relies on ambigious merge-base resolution + git ls-files --stage >out && + + cat >expect <<-EOF && + 100644 $(test_oid idxstage1) 1 a1 + 100644 $(git rev-parse F:a1) 2 a1 + 100644 $(git rev-parse G:a1) 3 a1 + EOF + + test_cmp expect out +' + +test_expect_success 'refuse to merge binary files' ' + git reset --hard && + printf "\0" >binary-file && + git add binary-file && + git commit -m binary && + git checkout G && + printf "\0\0" >binary-file && + git add binary-file && + git commit -m binary2 && + if test "$GIT_TEST_MERGE_ALGORITHM" = ort + then + test_must_fail git merge F >merge_output + else + test_must_fail git merge F 2>merge_output + fi && + grep "Cannot merge binary files: binary-file (HEAD vs. F)" merge_output +' + +test_expect_success 'mark rename/delete as unmerged' ' + + git reset --hard && + git checkout -b delete && + git rm a1 && + test_tick && + git commit -m delete && + git checkout -b rename HEAD^ && + git mv a1 a2 && + test_tick && + git commit -m rename && + test_must_fail git merge delete && + if test "$GIT_TEST_MERGE_ALGORITHM" = ort + then + test 2 = $(git ls-files --unmerged | wc -l) + else + test 1 = $(git ls-files --unmerged | wc -l) + fi && + git rev-parse --verify :2:a2 && + test_must_fail git rev-parse --verify :3:a2 && + git checkout -f delete && + test_must_fail git merge rename && + if test "$GIT_TEST_MERGE_ALGORITHM" = ort + then + test 2 = $(git ls-files --unmerged | wc -l) + else + test 1 = $(git ls-files --unmerged | wc -l) + fi && + test_must_fail git rev-parse --verify :2:a2 && + git rev-parse --verify :3:a2 +' + +test_done -- cgit v1.2.3