 933cfeb90b
			
		
	
	933cfeb90b
	
	
	
		
			
			'git subtree split' can incorrectly skip a merge even when both parents act on the subtree, provided the merge results in a tree identical to one of the parents. Fix by copying the merge if at least one parent is non-identical, and the non-identical parent is not an ancestor of the identical parent. Also, add a test case which checks that a descendant remains a descendent on the subtree in this case. Signed-off-by: Dave Ware <davidw@realtimegenomics.com> Reviewed-by: David A. Greene <greened@obbligato.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
		
			
				
	
	
		
			1078 lines
		
	
	
		
			34 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			1078 lines
		
	
	
		
			34 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
| #!/bin/sh
 | |
| #
 | |
| # Copyright (c) 2012 Avery Pennaraum
 | |
| # Copyright (c) 2015 Alexey Shumkin
 | |
| #
 | |
| test_description='Basic porcelain support for subtrees
 | |
| 
 | |
| This test verifies the basic operation of the add, pull, merge
 | |
| and split subcommands of git subtree.
 | |
| '
 | |
| 
 | |
| TEST_DIRECTORY=$(pwd)/../../../t
 | |
| export TEST_DIRECTORY
 | |
| 
 | |
| . ../../../t/test-lib.sh
 | |
| 
 | |
| subtree_test_create_repo()
 | |
| {
 | |
| 	test_create_repo "$1"
 | |
| 	(
 | |
| 		cd $1
 | |
| 		git config log.date relative
 | |
| 	)
 | |
| }
 | |
| 
 | |
| create()
 | |
| {
 | |
| 	echo "$1" >"$1"
 | |
| 	git add "$1"
 | |
| }
 | |
| 
 | |
| check_equal()
 | |
| {
 | |
| 	test_debug 'echo'
 | |
| 	test_debug "echo \"check a:\" \"{$1}\""
 | |
| 	test_debug "echo \"      b:\" \"{$2}\""
 | |
| 	if [ "$1" = "$2" ]; then
 | |
| 		return 0
 | |
| 	else
 | |
| 		return 1
 | |
| 	fi
 | |
| }
 | |
| 
 | |
| undo()
 | |
| {
 | |
| 	git reset --hard HEAD~
 | |
| }
 | |
| 
 | |
| # Make sure no patch changes more than one file.
 | |
| # The original set of commits changed only one file each.
 | |
| # A multi-file change would imply that we pruned commits
 | |
| # too aggressively.
 | |
| join_commits()
 | |
| {
 | |
| 	commit=
 | |
| 	all=
 | |
| 	while read x y; do
 | |
| 		if [ -z "$x" ]; then
 | |
| 			continue
 | |
| 		elif [ "$x" = "commit:" ]; then
 | |
| 			if [ -n "$commit" ]; then
 | |
| 				echo "$commit $all"
 | |
| 				all=
 | |
| 			fi
 | |
| 			commit="$y"
 | |
| 		else
 | |
| 			all="$all $y"
 | |
| 		fi
 | |
| 	done
 | |
| 	echo "$commit $all"
 | |
| }
 | |
| 
 | |
| test_create_commit() (
 | |
| 	repo=$1
 | |
| 	commit=$2
 | |
| 	cd "$repo"
 | |
| 	mkdir -p $(dirname "$commit") \
 | |
| 	|| error "Could not create directory for commit"
 | |
| 	echo "$commit" >"$commit"
 | |
| 	git add "$commit" || error "Could not add commit"
 | |
| 	git commit -m "$commit" || error "Could not commit"
 | |
| )
 | |
| 
 | |
| last_commit_message()
 | |
| {
 | |
| 	git log --pretty=format:%s -1
 | |
| }
 | |
| 
 | |
| subtree_test_count=0
 | |
| next_test() {
 | |
| 	subtree_test_count=$(($subtree_test_count+1))
 | |
| }
 | |
| 
 | |
| #
 | |
| # Tests for 'git subtree add'
 | |
| #
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'no merge from non-existent subtree' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		test_must_fail git subtree merge --prefix="sub dir" FETCH_HEAD
 | |
| 	)
 | |
| '
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'no pull from non-existent subtree' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		test_must_fail git subtree pull --prefix="sub dir" ./"sub proj" master
 | |
| 	)'
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'add subproj as subtree into sub dir/ with --prefix' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree add --prefix="sub dir" FETCH_HEAD &&
 | |
| 		check_equal "$(last_commit_message)" "Add '\''sub dir/'\'' from commit '\''$(git rev-parse FETCH_HEAD)'\''"
 | |
| 	)
 | |
| '
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'add subproj as subtree into sub dir/ with --prefix and --message' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree add --prefix="sub dir" --message="Added subproject" FETCH_HEAD &&
 | |
| 		check_equal "$(last_commit_message)" "Added subproject"
 | |
| 	)
 | |
| '
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'add subproj as subtree into sub dir/ with --prefix as -P and --message as -m' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree add -P "sub dir" -m "Added subproject" FETCH_HEAD &&
 | |
| 		check_equal "$(last_commit_message)" "Added subproject"
 | |
| 	)
 | |
| '
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'add subproj as subtree into sub dir/ with --squash and --prefix and --message' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree add --prefix="sub dir" --message="Added subproject with squash" --squash FETCH_HEAD &&
 | |
| 		check_equal "$(last_commit_message)" "Added subproject with squash"
 | |
| 	)
 | |
| '
 | |
| 
 | |
| #
 | |
| # Tests for 'git subtree merge'
 | |
| #
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'merge new subproj history into sub dir/ with --prefix' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree add --prefix="sub dir" FETCH_HEAD
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub2 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree merge --prefix="sub dir" FETCH_HEAD &&
 | |
| 		check_equal "$(last_commit_message)" "Merge commit '\''$(git rev-parse FETCH_HEAD)'\''"
 | |
| 	)
 | |
| '
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'merge new subproj history into sub dir/ with --prefix and --message' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree add --prefix="sub dir" FETCH_HEAD
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub2 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree merge --prefix="sub dir" --message="Merged changes from subproject" FETCH_HEAD &&
 | |
| 		check_equal "$(last_commit_message)" "Merged changes from subproject"
 | |
| 	)
 | |
| '
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'merge new subproj history into sub dir/ with --squash and --prefix and --message' '
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree add --prefix="sub dir" FETCH_HEAD
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub2 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree merge --prefix="sub dir" --message="Merged changes from subproject using squash" --squash FETCH_HEAD &&
 | |
| 		check_equal "$(last_commit_message)" "Merged changes from subproject using squash"
 | |
| 	)
 | |
| '
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'merge the added subproj again, should do nothing' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree add --prefix="sub dir" FETCH_HEAD &&
 | |
| 		# this shouldn not actually do anything, since FETCH_HEAD
 | |
| 		# is already a parent
 | |
| 		result=$(git merge -s ours -m "merge -s -ours" FETCH_HEAD) &&
 | |
| 		check_equal "${result}" "Already up-to-date."
 | |
| 	)
 | |
| '
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'merge new subproj history into subdir/ with a slash appended to the argument of --prefix' '
 | |
| 	test_create_repo "$test_count" &&
 | |
| 	test_create_repo "$test_count/subproj" &&
 | |
| 	test_create_commit "$test_count" main1 &&
 | |
| 	test_create_commit "$test_count/subproj" sub1 &&
 | |
| 	(
 | |
| 		cd "$test_count" &&
 | |
| 		git fetch ./subproj master &&
 | |
| 		git subtree add --prefix=subdir/ FETCH_HEAD
 | |
| 	) &&
 | |
| 	test_create_commit "$test_count/subproj" sub2 &&
 | |
| 	(
 | |
| 		cd "$test_count" &&
 | |
| 		git fetch ./subproj master &&
 | |
| 		git subtree merge --prefix=subdir/ FETCH_HEAD &&
 | |
| 		check_equal "$(last_commit_message)" "Merge commit '\''$(git rev-parse FETCH_HEAD)'\''"
 | |
| 	)
 | |
| '
 | |
| 
 | |
| #
 | |
| # Tests for 'git subtree split'
 | |
| #
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'split requires option --prefix' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree add --prefix="sub dir" FETCH_HEAD &&
 | |
| 		echo "You must provide the --prefix option." > expected &&
 | |
| 		test_must_fail git subtree split > actual 2>&1 &&
 | |
| 		test_debug "printf '"expected: "'" &&
 | |
| 		test_debug "cat expected" &&
 | |
| 		test_debug "printf '"actual: "'" &&
 | |
| 		test_debug "cat actual" &&
 | |
| 		test_cmp expected actual
 | |
| 	)
 | |
| '
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'split requires path given by option --prefix must exist' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree add --prefix="sub dir" FETCH_HEAD &&
 | |
| 		echo "'\''non-existent-directory'\'' does not exist; use '\''git subtree add'\''" > expected &&
 | |
| 		test_must_fail git subtree split --prefix=non-existent-directory > actual 2>&1 &&
 | |
| 		test_debug "printf '"expected: "'" &&
 | |
| 		test_debug "cat expected" &&
 | |
| 		test_debug "printf '"actual: "'" &&
 | |
| 		test_debug "cat actual" &&
 | |
| 		test_cmp expected actual
 | |
| 	)
 | |
| '
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'split sub dir/ with --rejoin' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree add --prefix="sub dir" FETCH_HEAD
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub1 &&
 | |
| 	test_create_commit "$subtree_test_count" main2 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub2 &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub2 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree merge --prefix="sub dir" FETCH_HEAD &&
 | |
| 		split_hash=$(git subtree split --prefix="sub dir" --annotate="*") &&
 | |
| 		git subtree split --prefix="sub dir" --annotate="*" --rejoin &&
 | |
| 		check_equal "$(last_commit_message)" "Split '\''sub dir/'\'' into commit '\''$split_hash'\''"
 | |
| 	)
 | |
|  '
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'split sub dir/ with --rejoin and --message' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree add --prefix="sub dir" FETCH_HEAD
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub1 &&
 | |
| 	test_create_commit "$subtree_test_count" main2 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub2 &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub2 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree merge --prefix="sub dir" FETCH_HEAD &&
 | |
| 		git subtree split --prefix="sub dir" --message="Split & rejoin" --annotate="*" --rejoin &&
 | |
| 		check_equal "$(last_commit_message)" "Split & rejoin"
 | |
| 	)
 | |
| '
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'split "sub dir"/ with --branch' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree add --prefix="sub dir" FETCH_HEAD
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub1 &&
 | |
| 	test_create_commit "$subtree_test_count" main2 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub2 &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub2 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree merge --prefix="sub dir" FETCH_HEAD &&
 | |
| 		split_hash=$(git subtree split --prefix="sub dir" --annotate="*") &&
 | |
| 		git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br &&
 | |
| 		check_equal "$(git rev-parse subproj-br)" "$split_hash"
 | |
| 	)
 | |
| '
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'check hash of split' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree add --prefix="sub dir" FETCH_HEAD
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub1 &&
 | |
| 	test_create_commit "$subtree_test_count" main2 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub2 &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub2 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree merge --prefix="sub dir" FETCH_HEAD &&
 | |
| 		split_hash=$(git subtree split --prefix="sub dir" --annotate="*") &&
 | |
| 		git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br &&
 | |
| 		check_equal "$(git rev-parse subproj-br)" "$split_hash" &&
 | |
| 		# Check hash of split
 | |
| 		new_hash=$(git rev-parse subproj-br^2) &&
 | |
| 		(
 | |
| 			cd ./"sub proj" &&
 | |
| 			subdir_hash=$(git rev-parse HEAD) &&
 | |
| 			check_equal ''"$new_hash"'' "$subdir_hash"
 | |
| 		)
 | |
| 	)
 | |
| '
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'split "sub dir"/ with --branch for an existing branch' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git branch subproj-br FETCH_HEAD &&
 | |
| 		git subtree add --prefix="sub dir" FETCH_HEAD
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub1 &&
 | |
| 	test_create_commit "$subtree_test_count" main2 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub2 &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub2 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree merge --prefix="sub dir" FETCH_HEAD &&
 | |
| 		split_hash=$(git subtree split --prefix="sub dir" --annotate="*") &&
 | |
| 		git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br &&
 | |
| 		check_equal "$(git rev-parse subproj-br)" "$split_hash"
 | |
| 	)
 | |
| '
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'split "sub dir"/ with --branch for an incompatible branch' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git branch init HEAD &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree add --prefix="sub dir" FETCH_HEAD
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub1 &&
 | |
| 	test_create_commit "$subtree_test_count" main2 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub2 &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub2 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree merge --prefix="sub dir" FETCH_HEAD &&
 | |
| 		test_must_fail git subtree split --prefix="sub dir" --branch init
 | |
| 	)
 | |
| '
 | |
| 
 | |
| #
 | |
| # Validity checking
 | |
| #
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'make sure exactly the right set of files ends up in the subproj' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree add --prefix="sub dir" FETCH_HEAD
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub1 &&
 | |
| 	test_create_commit "$subtree_test_count" main2 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub2 &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub2 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree merge --prefix="sub dir" FETCH_HEAD &&
 | |
| 		git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub3 &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub3 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count/sub proj" &&
 | |
| 		git fetch .. subproj-br &&
 | |
| 		git merge FETCH_HEAD
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub4 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub4 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
 | |
| 	) &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count/sub proj" &&
 | |
| 		git fetch .. subproj-br &&
 | |
| 		git merge FETCH_HEAD &&
 | |
| 
 | |
| 		chks="sub1
 | |
| sub2
 | |
| sub3
 | |
| sub4" &&
 | |
| 		chks_sub=$(cat <<TXT | sed '\''s,^,sub dir/,'\''
 | |
| $chks
 | |
| TXT
 | |
| ) &&
 | |
| 		chkms="main-sub1
 | |
| main-sub2
 | |
| main-sub3
 | |
| main-sub4" &&
 | |
| 		chkms_sub=$(cat <<TXT | sed '\''s,^,sub dir/,'\''
 | |
| $chkms
 | |
| TXT
 | |
| ) &&
 | |
| 
 | |
| 		subfiles=$(git ls-files) &&
 | |
| 		check_equal "$subfiles" "$chkms
 | |
| $chks"
 | |
| 	)
 | |
| '
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'make sure the subproj *only* contains commits that affect the "sub dir"' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree add --prefix="sub dir" FETCH_HEAD
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub1 &&
 | |
| 	test_create_commit "$subtree_test_count" main2 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub2 &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub2 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree merge --prefix="sub dir" FETCH_HEAD &&
 | |
| 		git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub3 &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub3 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count/sub proj" &&
 | |
| 		git fetch .. subproj-br &&
 | |
| 		git merge FETCH_HEAD
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub4 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub4 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
 | |
| 	) &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count/sub proj" &&
 | |
| 		git fetch .. subproj-br &&
 | |
| 		git merge FETCH_HEAD &&
 | |
| 
 | |
| 		chks="sub1
 | |
| sub2
 | |
| sub3
 | |
| sub4" &&
 | |
| 		chks_sub=$(cat <<TXT | sed '\''s,^,sub dir/,'\''
 | |
| $chks
 | |
| TXT
 | |
| ) &&
 | |
| 		chkms="main-sub1
 | |
| main-sub2
 | |
| main-sub3
 | |
| main-sub4" &&
 | |
| 		chkms_sub=$(cat <<TXT | sed '\''s,^,sub dir/,'\''
 | |
| $chkms
 | |
| TXT
 | |
| ) &&
 | |
| 		allchanges=$(git log --name-only --pretty=format:"" | sort | sed "/^$/d") &&
 | |
| 		check_equal "$allchanges" "$chkms
 | |
| $chks"
 | |
| 	)
 | |
| '
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'make sure exactly the right set of files ends up in the mainline' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree add --prefix="sub dir" FETCH_HEAD
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub1 &&
 | |
| 	test_create_commit "$subtree_test_count" main2 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub2 &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub2 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree merge --prefix="sub dir" FETCH_HEAD &&
 | |
| 		git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub3 &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub3 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count/sub proj" &&
 | |
| 		git fetch .. subproj-br &&
 | |
| 		git merge FETCH_HEAD
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub4 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub4 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
 | |
| 	) &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count/sub proj" &&
 | |
| 		git fetch .. subproj-br &&
 | |
| 		git merge FETCH_HEAD
 | |
| 	) &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git subtree pull --prefix="sub dir" ./"sub proj" master &&
 | |
| 
 | |
| 		chkm="main1
 | |
| main2" &&
 | |
| 		chks="sub1
 | |
| sub2
 | |
| sub3
 | |
| sub4" &&
 | |
| 		chks_sub=$(cat <<TXT | sed '\''s,^,sub dir/,'\''
 | |
| $chks
 | |
| TXT
 | |
| ) &&
 | |
| 		chkms="main-sub1
 | |
| main-sub2
 | |
| main-sub3
 | |
| main-sub4" &&
 | |
| 		chkms_sub=$(cat <<TXT | sed '\''s,^,sub dir/,'\''
 | |
| $chkms
 | |
| TXT
 | |
| ) &&
 | |
| 		mainfiles=$(git ls-files) &&
 | |
| 		check_equal "$mainfiles" "$chkm
 | |
| $chkms_sub
 | |
| $chks_sub"
 | |
| )
 | |
| '
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'make sure each filename changed exactly once in the entire history' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git config log.date relative
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree add --prefix="sub dir" FETCH_HEAD
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub1 &&
 | |
| 	test_create_commit "$subtree_test_count" main2 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub2 &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub2 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree merge --prefix="sub dir" FETCH_HEAD &&
 | |
| 		git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub3 &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub3 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count/sub proj" &&
 | |
| 		git fetch .. subproj-br &&
 | |
| 		git merge FETCH_HEAD
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub4 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub4 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
 | |
| 	) &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count/sub proj" &&
 | |
| 		git fetch .. subproj-br &&
 | |
| 		git merge FETCH_HEAD
 | |
| 	) &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git subtree pull --prefix="sub dir" ./"sub proj" master &&
 | |
| 
 | |
| 		chkm="main1
 | |
| main2" &&
 | |
| 		chks="sub1
 | |
| sub2
 | |
| sub3
 | |
| sub4" &&
 | |
| 		chks_sub=$(cat <<TXT | sed '\''s,^,sub dir/,'\''
 | |
| $chks
 | |
| TXT
 | |
| ) &&
 | |
| 		chkms="main-sub1
 | |
| main-sub2
 | |
| main-sub3
 | |
| main-sub4" &&
 | |
| 		chkms_sub=$(cat <<TXT | sed '\''s,^,sub dir/,'\''
 | |
| $chkms
 | |
| TXT
 | |
| ) &&
 | |
| 
 | |
| 		# main-sub?? and /"sub dir"/main-sub?? both change, because those are the
 | |
| 		# changes that were split into their own history.  And "sub dir"/sub?? never
 | |
| 		# change, since they were *only* changed in the subtree branch.
 | |
| 		allchanges=$(git log --name-only --pretty=format:"" | sort | sed "/^$/d") &&
 | |
| 		expected=''"$(cat <<TXT | sort
 | |
| $chkms
 | |
| $chkm
 | |
| $chks
 | |
| $chkms_sub
 | |
| TXT
 | |
| )"'' &&
 | |
| 		check_equal "$allchanges" "$expected"
 | |
| 	)
 | |
| '
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'make sure the --rejoin commits never make it into subproj' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree add --prefix="sub dir" FETCH_HEAD
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub1 &&
 | |
| 	test_create_commit "$subtree_test_count" main2 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub2 &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub2 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree merge --prefix="sub dir" FETCH_HEAD &&
 | |
| 		git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub3 &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub3 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count/sub proj" &&
 | |
| 		git fetch .. subproj-br &&
 | |
| 		git merge FETCH_HEAD
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub4 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub4 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
 | |
| 	) &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count/sub proj" &&
 | |
| 		git fetch .. subproj-br &&
 | |
| 		git merge FETCH_HEAD
 | |
| 	) &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git subtree pull --prefix="sub dir" ./"sub proj" master &&
 | |
| 		check_equal "$(git log --pretty=format:"%s" HEAD^2 | grep -i split)" ""
 | |
| 	)
 | |
| '
 | |
| 
 | |
| next_test
 | |
| test_expect_success 'make sure no "git subtree" tagged commits make it into subproj' '
 | |
| 	subtree_test_create_repo "$subtree_test_count" &&
 | |
| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
 | |
| 	test_create_commit "$subtree_test_count" main1 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree add --prefix="sub dir" FETCH_HEAD
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub1 &&
 | |
| 	test_create_commit "$subtree_test_count" main2 &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub2 &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub2 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git fetch ./"sub proj" master &&
 | |
| 		git subtree merge --prefix="sub dir" FETCH_HEAD &&
 | |
| 		git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub3 &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub3 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count/sub proj" &&
 | |
| 		git fetch .. subproj-br &&
 | |
| 		 git merge FETCH_HEAD
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count/sub proj" sub4 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
 | |
| 	) &&
 | |
| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub4 &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
 | |
| 	) &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count/sub proj" &&
 | |
| 		git fetch .. subproj-br &&
 | |
| 		git merge FETCH_HEAD
 | |
| 	) &&
 | |
| 	(
 | |
| 		cd "$subtree_test_count" &&
 | |
| 		git subtree pull --prefix="sub dir" ./"sub proj" master &&
 | |
| 
 | |
| 		# They are meaningless to subproj since one side of the merge refers to the mainline
 | |
| 		check_equal "$(git log --pretty=format:"%s%n%b" HEAD^2 | grep "git-subtree.*:")" ""
 | |
| 	)
 | |
| '
 | |
| 
 | |
| #
 | |
| # A new set of tests
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| #
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| 
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| next_test
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| test_expect_success 'make sure "git subtree split" find the correct parent' '
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| 	subtree_test_create_repo "$subtree_test_count" &&
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| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
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| 	test_create_commit "$subtree_test_count" main1 &&
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| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
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| 	(
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| 		cd "$subtree_test_count" &&
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| 		git fetch ./"sub proj" master &&
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| 		git subtree add --prefix="sub dir" FETCH_HEAD
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| 	) &&
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| 	test_create_commit "$subtree_test_count/sub proj" sub2 &&
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| 	(
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| 		cd "$subtree_test_count" &&
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| 		git fetch ./"sub proj" master &&
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| 		git branch subproj-ref FETCH_HEAD &&
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| 		git subtree merge --prefix="sub dir" FETCH_HEAD
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| 	) &&
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| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub1 &&
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| 	(
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| 		cd "$subtree_test_count" &&
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| 		git subtree split --prefix="sub dir" --branch subproj-br &&
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| 
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| 		# at this point, the new commit parent should be subproj-ref, if it is
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| 		# not, something went wrong (the "newparent" of "master~" commit should
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| 		# have been sub2, but it was not, because its cache was not set to
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| 		# itself)
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| 		check_equal "$(git log --pretty=format:%P -1 subproj-br)" "$(git rev-parse subproj-ref)"
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| 	)
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| '
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| 
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| next_test
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| test_expect_success 'split a new subtree without --onto option' '
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| 	subtree_test_create_repo "$subtree_test_count" &&
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| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
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| 	test_create_commit "$subtree_test_count" main1 &&
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| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
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| 	(
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| 		cd "$subtree_test_count" &&
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| 		git fetch ./"sub proj" master &&
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| 		git subtree add --prefix="sub dir" FETCH_HEAD
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| 	) &&
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| 	test_create_commit "$subtree_test_count/sub proj" sub2 &&
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| 	(
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| 		cd "$subtree_test_count" &&
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| 		git fetch ./"sub proj" master &&
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| 		git subtree merge --prefix="sub dir" FETCH_HEAD
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| 	) &&
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| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub1 &&
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| 	(
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| 		cd "$subtree_test_count" &&
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| 		git subtree split --prefix="sub dir" --branch subproj-br
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| 	) &&
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| 	mkdir "$subtree_test_count"/"sub dir2" &&
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| 	test_create_commit "$subtree_test_count" "sub dir2"/main-sub2 &&
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| 	(
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| 		cd "$subtree_test_count" &&
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| 
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| 		# also test that we still can split out an entirely new subtree
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| 		# if the parent of the first commit in the tree is not empty,
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| 		# then the new subtree has accidently been attached to something
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| 		git subtree split --prefix="sub dir2" --branch subproj2-br &&
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| 		check_equal "$(git log --pretty=format:%P -1 subproj2-br)" ""
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| 	)
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| '
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| 
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| next_test
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| test_expect_success 'verify one file change per commit' '
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| 	subtree_test_create_repo "$subtree_test_count" &&
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| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
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| 	test_create_commit "$subtree_test_count" main1 &&
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| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
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| 	(
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| 		cd "$subtree_test_count" &&
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| 		git fetch ./"sub proj" master &&
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| 		git branch sub1 FETCH_HEAD &&
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| 		git subtree add --prefix="sub dir" sub1
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| 	) &&
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| 	test_create_commit "$subtree_test_count/sub proj" sub2 &&
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| 	(
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| 		cd "$subtree_test_count" &&
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| 		git fetch ./"sub proj" master &&
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| 		git subtree merge --prefix="sub dir" FETCH_HEAD
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| 	) &&
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| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub1 &&
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| 	(
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| 		cd "$subtree_test_count" &&
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| 		git subtree split --prefix="sub dir" --branch subproj-br
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| 	) &&
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| 	mkdir "$subtree_test_count"/"sub dir2" &&
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| 	test_create_commit "$subtree_test_count" "sub dir2"/main-sub2 &&
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| 	(
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| 		cd "$subtree_test_count" &&
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| 		git subtree split --prefix="sub dir2" --branch subproj2-br &&
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| 
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| 		x= &&
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| 		git log --pretty=format:"commit: %H" | join_commits |
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| 		(
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| 			while read commit a b; do
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| 				test_debug "echo Verifying commit $commit"
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| 				test_debug "echo a: $a"
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| 				test_debug "echo b: $b"
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| 				check_equal "$b" ""
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| 				x=1
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| 			done
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| 			check_equal "$x" 1
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| 		)
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| 	)
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| '
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| 
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| next_test
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| test_expect_success 'push split to subproj' '
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| 	subtree_test_create_repo "$subtree_test_count" &&
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| 	subtree_test_create_repo "$subtree_test_count/sub proj" &&
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| 	test_create_commit "$subtree_test_count" main1 &&
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| 	test_create_commit "$subtree_test_count/sub proj" sub1 &&
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| 	(
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| 		cd "$subtree_test_count" &&
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| 		git fetch ./"sub proj" master &&
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| 		git subtree add --prefix="sub dir" FETCH_HEAD
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| 	) &&
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| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub1 &&
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| 	test_create_commit "$subtree_test_count" main2 &&
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| 	test_create_commit "$subtree_test_count/sub proj" sub2 &&
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| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub2 &&
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| 	(
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| 		cd $subtree_test_count/"sub proj" &&
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|                 git branch sub-branch-1 &&
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|                 cd .. &&
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| 		git fetch ./"sub proj" master &&
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| 		git subtree merge --prefix="sub dir" FETCH_HEAD
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| 	) &&
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| 	test_create_commit "$subtree_test_count" "sub dir"/main-sub3 &&
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|         (
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| 		cd "$subtree_test_count" &&
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| 	        git subtree push ./"sub proj" --prefix "sub dir" sub-branch-1 &&
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|                 cd ./"sub proj" &&
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|                 git checkout sub-branch-1 &&
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|          	check_equal "$(last_commit_message)" "sub dir/main-sub3"
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| 	)
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| '
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| 
 | |
| #
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| # This test covers 2 cases in subtree split copy_or_skip code
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| # 1) Merges where one parent is a superset of the changes of the other
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| #    parent regarding changes to the subtree, in this case the merge
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| #    commit should be copied
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| # 2) Merges where only one parent operate on the subtree, and the merge
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| #    commit should be skipped
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| #
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| # (1) is checked by ensuring subtree_tip is a descendent of subtree_branch
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| # (2) should have a check added (not_a_subtree_change shouldn't be present
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| #     on the produced subtree)
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| #
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| # Other related cases which are not tested (or currently handled correctly)
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| # - Case (1) where there are more than 2 parents, it will sometimes correctly copy
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| #   the merge, and sometimes not
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| # - Merge commit where both parents have same tree as the merge, currently
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| #   will always be skipped, even if they reached that state via different
 | |
| #   set of commits.
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| #
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| 
 | |
| next_test
 | |
| test_expect_success 'subtree descendant check' '
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| 	subtree_test_create_repo "$subtree_test_count" &&
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| 	test_create_commit "$subtree_test_count" folder_subtree/a &&
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| 	(
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| 		cd "$subtree_test_count" &&
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| 		git branch branch
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| 	) &&
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| 	test_create_commit "$subtree_test_count" folder_subtree/0 &&
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| 	test_create_commit "$subtree_test_count" folder_subtree/b &&
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| 	cherry=$(cd "$subtree_test_count"; git rev-parse HEAD) &&
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| 	(
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| 		cd "$subtree_test_count" &&
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| 		git checkout branch
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| 	) &&
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| 	test_create_commit "$subtree_test_count" commit_on_branch &&
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| 	(
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| 		cd "$subtree_test_count" &&
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| 		git cherry-pick $cherry &&
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| 		git checkout master &&
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| 		git merge -m "merge should be kept on subtree" branch &&
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| 		git branch no_subtree_work_branch
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| 	) &&
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| 	test_create_commit "$subtree_test_count" folder_subtree/d &&
 | |
| 	(
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| 		cd "$subtree_test_count" &&
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| 		git checkout no_subtree_work_branch
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| 	) &&
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| 	test_create_commit "$subtree_test_count" not_a_subtree_change &&
 | |
| 	(
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| 		cd "$subtree_test_count" &&
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| 		git checkout master &&
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| 		git merge -m "merge should be skipped on subtree" no_subtree_work_branch &&
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| 
 | |
| 		git subtree split --prefix folder_subtree/ --branch subtree_tip master &&
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| 		git subtree split --prefix folder_subtree/ --branch subtree_branch branch &&
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| 		check_equal $(git rev-list --count subtree_tip..subtree_branch) 0
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| 	)
 | |
| '
 | |
| 
 | |
| test_done
 |