Adding upstream version 1:2.39.2.upstream/1%2.39.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 245 insertions, 0 deletions

diff --git a/t/t3402-rebase-merge.sh b/t/t3402-rebase-merge.sh
new file mode 100755
index 0000000..7e46f4c
--- /dev/null
+++ b/t/t3402-rebase-merge.sh
@@ -0,0 +1,245 @@
+#!/bin/sh
+#
+# Copyright (c) 2006 Junio C Hamano
+#
+
+test_description='git rebase --merge test'
+
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+
+. ./test-lib.sh
+
+T="A quick brown fox
+jumps over the lazy dog."
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	echo "$i $T"
+done >original
+
+test_expect_success setup '
+	git add original &&
+	git commit -m"initial" &&
+	git branch side &&
+	echo "11 $T" >>original &&
+	git commit -a -m"main updates a bit." &&
+
+	echo "12 $T" >>original &&
+	git commit -a -m"main updates a bit more." &&
+
+	git checkout side &&
+	(echo "0 $T" && cat original) >renamed &&
+	git add renamed &&
+	git update-index --force-remove original &&
+	git commit -a -m"side renames and edits." &&
+
+	tr "[a-z]" "[A-Z]" <original >newfile &&
+	git add newfile &&
+	git commit -a -m"side edits further." &&
+	git branch second-side &&
+
+	tr "[a-m]" "[A-M]" <original >newfile &&
+	rm -f original &&
+	git commit -a -m"side edits once again." &&
+
+	git branch test-rebase side &&
+	git branch test-rebase-pick side &&
+	git branch test-reference-pick side &&
+	git branch test-conflicts side &&
+	git checkout -b test-merge side
+'
+
+test_expect_success 'reference merge' '
+	git merge -s recursive -m "reference merge" main
+'
+
+PRE_REBASE=$(git rev-parse test-rebase)
+test_expect_success rebase '
+	git checkout test-rebase &&
+	GIT_TRACE=1 git rebase --merge main
+'
+
+test_expect_success 'test-rebase@{1} is pre rebase' '
+	test $PRE_REBASE = $(git rev-parse test-rebase@{1})
+'
+
+test_expect_success 'merge and rebase should match' '
+	git diff-tree -r test-rebase test-merge >difference &&
+	if test -s difference
+	then
+		cat difference
+		false
+	else
+		echo happy
+	fi
+'
+
+test_expect_success 'rebase the other way' '
+	git reset --hard main &&
+	git rebase --merge side
+'
+
+test_expect_success 'rebase -Xtheirs' '
+	git checkout -b conflicting main~2 &&
+	echo "AB $T" >> original &&
+	git commit -mconflicting original &&
+	git rebase -Xtheirs main &&
+	grep AB original &&
+	! grep 11 original
+'
+
+test_expect_success 'rebase -Xtheirs from orphan' '
+	git checkout --orphan orphan-conflicting main~2 &&
+	echo "AB $T" >> original &&
+	git commit -morphan-conflicting original &&
+	git rebase -Xtheirs main &&
+	grep AB original &&
+	! grep 11 original
+'
+
+test_expect_success 'merge and rebase should match' '
+	git diff-tree -r test-rebase test-merge >difference &&
+	if test -s difference
+	then
+		cat difference
+		false
+	else
+		echo happy
+	fi
+'
+
+test_expect_success 'picking rebase' '
+	git reset --hard side &&
+	git rebase --merge --onto main side^^ &&
+	mb=$(git merge-base main HEAD) &&
+	if test "$mb" = "$(git rev-parse main)"
+	then
+		echo happy
+	else
+		git show-branch
+		false
+	fi &&
+	f=$(git diff-tree --name-only HEAD^ HEAD) &&
+	g=$(git diff-tree --name-only HEAD^^ HEAD^) &&
+	case "$f,$g" in
+	newfile,newfile)
+		echo happy ;;
+	*)
+		echo "$f"
+		echo "$g"
+		false
+	esac
+'
+
+test_expect_success 'rebase -s funny -Xopt' '
+	test_when_finished "rm -fr test-bin funny.was.run" &&
+	mkdir test-bin &&
+	cat >test-bin/git-merge-funny <<-EOF &&
+	#!$SHELL_PATH
+	case "\$1" in --opt) ;; *) exit 2 ;; esac
+	shift &&
+	>funny.was.run &&
+	exec git merge-recursive "\$@"
+	EOF
+	chmod +x test-bin/git-merge-funny &&
+	git reset --hard &&
+	git checkout -b test-funny main^ &&
+	test_commit funny &&
+	(
+		PATH=./test-bin:$PATH &&
+		git rebase -s funny -Xopt main
+	) &&
+	test -f funny.was.run
+'
+
+test_expect_success 'rebase --skip works with two conflicts in a row' '
+	git checkout second-side  &&
+	tr "[A-Z]" "[a-z]" <newfile >tmp &&
+	mv tmp newfile &&
+	git commit -a -m"edit conflicting with side" &&
+	tr "[d-f]" "[D-F]" <newfile >tmp &&
+	mv tmp newfile &&
+	git commit -a -m"another edit conflicting with side" &&
+	test_must_fail git rebase --merge test-conflicts &&
+	test_must_fail git rebase --skip &&
+	git rebase --skip
+'
+
+test_expect_success '--reapply-cherry-picks' '
+	git init repo &&
+
+	# O(1-10) -- O(1-11) -- O(0-10) main
+	#        \
+	#         -- O(1-11) -- O(1-12) otherbranch
+
+	printf "Line %d\n" $(test_seq 1 10) >repo/file.txt &&
+	git -C repo add file.txt &&
+	git -C repo commit -m "base commit" &&
+
+	printf "Line %d\n" $(test_seq 1 11) >repo/file.txt &&
+	git -C repo commit -a -m "add 11" &&
+
+	printf "Line %d\n" $(test_seq 0 10) >repo/file.txt &&
+	git -C repo commit -a -m "add 0 delete 11" &&
+
+	git -C repo checkout -b otherbranch HEAD^^ &&
+	printf "Line %d\n" $(test_seq 1 11) >repo/file.txt &&
+	git -C repo commit -a -m "add 11 in another branch" &&
+
+	printf "Line %d\n" $(test_seq 1 12) >repo/file.txt &&
+	git -C repo commit -a -m "add 12 in another branch" &&
+
+	# Regular rebase fails, because the 1-11 commit is deduplicated
+	test_must_fail git -C repo rebase --merge main 2> err &&
+	test_i18ngrep "error: could not apply.*add 12 in another branch" err &&
+	git -C repo rebase --abort &&
+
+	# With --reapply-cherry-picks, it works
+	git -C repo rebase --merge --reapply-cherry-picks main
+'
+
+test_expect_success '--reapply-cherry-picks refrains from reading unneeded blobs' '
+	git init server &&
+
+	# O(1-10) -- O(1-11) -- O(1-12) main
+	#        \
+	#         -- O(0-10) otherbranch
+
+	printf "Line %d\n" $(test_seq 1 10) >server/file.txt &&
+	git -C server add file.txt &&
+	git -C server commit -m "merge base" &&
+
+	printf "Line %d\n" $(test_seq 1 11) >server/file.txt &&
+	git -C server commit -a -m "add 11" &&
+
+	printf "Line %d\n" $(test_seq 1 12) >server/file.txt &&
+	git -C server commit -a -m "add 12" &&
+
+	git -C server checkout -b otherbranch HEAD^^ &&
+	printf "Line %d\n" $(test_seq 0 10) >server/file.txt &&
+	git -C server commit -a -m "add 0" &&
+
+	test_config -C server uploadpack.allowfilter 1 &&
+	test_config -C server uploadpack.allowanysha1inwant 1 &&
+
+	git clone --filter=blob:none "file://$(pwd)/server" client &&
+	git -C client checkout origin/main &&
+	git -C client checkout origin/otherbranch &&
+
+	# Sanity check to ensure that the blobs from the merge base and "add
+	# 11" are missing
+	git -C client rev-list --objects --all --missing=print >missing_list &&
+	MERGE_BASE_BLOB=$(git -C server rev-parse main^^:file.txt) &&
+	ADD_11_BLOB=$(git -C server rev-parse main^:file.txt) &&
+	grep "[?]$MERGE_BASE_BLOB" missing_list &&
+	grep "[?]$ADD_11_BLOB" missing_list &&
+
+	git -C client rebase --merge --reapply-cherry-picks origin/main &&
+
+	# The blob from the merge base had to be fetched, but not "add 11"
+	git -C client rev-list --objects --all --missing=print >missing_list &&
+	! grep "[?]$MERGE_BASE_BLOB" missing_list &&
+	grep "[?]$ADD_11_BLOB" missing_list
+'
+
+test_done