diff options
Diffstat (limited to 'contrib/subtree/t/t7900-subtree.sh')
| -rwxr-xr-x | contrib/subtree/t/t7900-subtree.sh | 1337 |
1 files changed, 981 insertions, 356 deletions
diff --git a/contrib/subtree/t/t7900-subtree.sh b/contrib/subtree/t/t7900-subtree.sh index 66ce4b07c2..3c87ebaf57 100755 --- a/contrib/subtree/t/t7900-subtree.sh +++ b/contrib/subtree/t/t7900-subtree.sh @@ -1,24 +1,34 @@ #!/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 merge, pull, add +This test verifies the basic operation of the add, pull, merge and split subcommands of git subtree. ' -export TEST_DIRECTORY=$(pwd)/../../../t +TEST_DIRECTORY=$(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" + echo "$1" >"$1" && git add "$1" } - check_equal() { test_debug 'echo' @@ -31,438 +41,1053 @@ check_equal() fi } -fixnl() +undo() { - t="" - while read x; do - t="$t$x " - done - echo $t + git reset --hard HEAD~ } -multiline() +# 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() { - while read x; do - set -- $x - for d in "$@"; do - echo "$d" - done + commit= + all= + while read x y; do + if [ -z "$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" } -undo() -{ - git reset --hard HEAD~ -} +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 } -test_expect_success 'init subproj' ' - test_create_repo subproj -' - -# To the subproject! -cd subproj - -test_expect_success 'add sub1' ' - create sub1 && - git commit -m "sub1" && - git branch sub1 && - git branch -m master subproj -' - -# Save this hash for testing later. - -subdir_hash=`git rev-parse HEAD` - -test_expect_success 'add sub2' ' - create sub2 && - git commit -m "sub2" && - git branch sub2 -' - -test_expect_success 'add sub3' ' - create sub3 && - git commit -m "sub3" && - git branch sub3 -' - -# Back to mainline -cd .. - -test_expect_success 'add main4' ' - create main4 && - git commit -m "main4" && - git branch -m master mainline && - git branch subdir -' - -test_expect_success 'fetch subproj history' ' - git fetch ./subproj sub1 && - git branch sub1 FETCH_HEAD -' - -test_expect_success 'no subtree exists in main tree' ' - test_must_fail git subtree merge --prefix=subdir sub1 -' +subtree_test_count=0 +next_test() { + subtree_test_count=$(($subtree_test_count+1)) +} -test_expect_success 'no pull from non-existant subtree' ' - test_must_fail git subtree pull --prefix=subdir ./subproj sub1 -' +# +# Tests for 'git subtree add' +# -test_expect_success 'check if --message works for add' ' - git subtree add --prefix=subdir --message="Added subproject" sub1 && - check_equal ''"$(last_commit_message)"'' "Added subproject" && - undo +next_test +test_expect_success 'no merge from non-existent subtree' ' + subtree_test_create_repo "$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 + ) ' -test_expect_success 'check if --message works as -m and --prefix as -P' ' - git subtree add -P subdir -m "Added subproject using git subtree" sub1 && - check_equal ''"$(last_commit_message)"'' "Added subproject using git subtree" && - undo +next_test +test_expect_success 'no pull from non-existent subtree' ' + subtree_test_create_repo "$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 '\''$(git rev-parse FETCH_HEAD)'\''" + ) ' -test_expect_success 'check if --message works with squash too' ' - git subtree add -P subdir -m "Added subproject with squash" --squash sub1 && - check_equal ''"$(last_commit_message)"'' "Added subproject with squash" && - undo +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" + ) ' -test_expect_success 'add subproj to mainline' ' - git subtree add --prefix=subdir/ FETCH_HEAD && - check_equal ''"$(last_commit_message)"'' "Add '"'subdir/'"' from commit '"'"'''"$(git rev-parse sub1)"'''"'"'" +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" + ) ' -# this shouldn't actually do anything, since FETCH_HEAD is already a parent -test_expect_success 'merge fetched subproj' ' - git merge -m "merge -s -ours" -s ours FETCH_HEAD +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" + ) ' -test_expect_success 'add main-sub5' ' - create subdir/main-sub5 && - git commit -m "main-sub5" -' +# +# Tests for 'git subtree merge' +# -test_expect_success 'add main6' ' - create main6 && - git commit -m "main6 boring" +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 '\''$(git rev-parse FETCH_HEAD)'\''" + ) ' -test_expect_success 'add main-sub7' ' - create subdir/main-sub7 && - git commit -m "main-sub7" +next_test +test_expect_success 'merge new subproj history into sub dir/ with --prefix and --message' ' + subtree_test_create_repo "$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 "$(last_commit_message)" "Merged changes from subproject" + ) ' -test_expect_success 'fetch new subproj history' ' - git fetch ./subproj sub2 && - git branch sub2 FETCH_HEAD +next_test +test_expect_success 'merge new subproj history into sub dir/ with --squash and --prefix and --message' ' + subtree_test_create_repo "$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 "$(last_commit_message)" "Merged changes from subproject using squash" + ) ' -test_expect_success 'check if --message works for merge' ' - git subtree merge --prefix=subdir -m "Merged changes from subproject" sub2 && - check_equal ''"$(last_commit_message)"'' "Merged changes from subproject" && - undo +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 "${result}" "Already up-to-date." + ) ' -test_expect_success 'check if --message for merge works with squash too' ' - git subtree merge --prefix subdir -m "Merged changes from subproject using squash" --squash sub2 && - check_equal ''"$(last_commit_message)"'' "Merged changes from subproject using squash" && - undo +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 '\''$(git rev-parse FETCH_HEAD)'\''" + ) ' -test_expect_success 'merge new subproj history into subdir' ' - git subtree merge --prefix=subdir FETCH_HEAD && - git branch pre-split && - check_equal ''"$(last_commit_message)"'' "Merge commit '"'"'"$(git rev-parse sub2)"'"'"' into mainline" -' +# +# Tests for 'git subtree split' +# -test_expect_success 'Check that prefix argument is required for split' ' - echo "You must provide the --prefix option." > expected && - test_must_fail git subtree split > actual 2>&1 && - test_debug "printf '"'"'expected: '"'"'" && - test_debug "cat expected" && - test_debug "printf '"'"'actual: '"'"'" && - test_debug "cat actual" && - test_cmp expected actual && - rm -f expected actual +next_test +test_expect_success 'split requires option --prefix' ' + subtree_test_create_repo "$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 + ) ' -test_expect_success 'Check that the <prefix> exists for a split' ' - 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 -# rm -f 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 "$subtree_test_count" && + git fetch ./"sub proj" master && + git subtree add --prefix="sub dir" FETCH_HEAD && + echo "'\''non-existent-directory'\'' does not exist; use '\''git subtree add'\''" > expected && + test_must_fail git subtree split --prefix=non-existent-directory > actual 2>&1 && + test_debug "printf '"expected: "'" && + test_debug "cat expected" && + test_debug "printf '"actual: "'" && + test_debug "cat actual" && + test_cmp expected actual + ) ' -test_expect_success 'check if --message works for split+rejoin' ' - spl1=''"$(git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --message "Split & rejoin" --rejoin)"'' && - git branch spl1 "$spl1" && - check_equal ''"$(last_commit_message)"'' "Split & rejoin" && - undo +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 '\''$split_hash'\''" + ) + ' + +next_test +test_expect_success 'split sub dir/ with --rejoin from scratch' ' + subtree_test_create_repo "$subtree_test_count" && + test_create_commit "$subtree_test_count" main1 && + ( + cd "$subtree_test_count" && + mkdir "sub dir" && + echo file >"sub dir"/file && + git add "sub dir/file" && + git commit -m"sub dir file" && + split_hash=$(git subtree split --prefix="sub dir" --rejoin) && + git subtree split --prefix="sub dir" --rejoin && + check_equal "$(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" + ) ' -test_expect_success 'check split with --branch' ' - spl1=$(git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --message "Split & rejoin" --rejoin) && - undo && - git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --branch splitbr1 && - check_equal ''"$(git rev-parse splitbr1)"'' "$spl1" +next_test +test_expect_success 'split "sub dir"/ with --branch' ' + subtree_test_create_repo "$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' ' - spl1=$(git subtree split --prefix subdir) && - undo && - git subtree split --prefix subdir --branch splitbr1test && - check_equal ''"$(git rev-parse splitbr1test)"'' "$spl1" - git checkout splitbr1test && - new_hash=$(git rev-parse HEAD~2) && - git checkout mainline && - check_equal ''"$new_hash"'' "$subdir_hash" -' - -test_expect_success 'check split with --branch for an existing branch' ' - spl1=''"$(git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --message "Split & rejoin" --rejoin)"'' && - undo && - git branch splitbr2 sub1 && - git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --branch splitbr2 && - check_equal ''"$(git rev-parse splitbr2)"'' "$spl1" -' - -test_expect_success 'check split with --branch for an incompatible branch' ' - test_must_fail git subtree split --prefix subdir --onto FETCH_HEAD --branch subdir -' - -test_expect_success 'check split+rejoin' ' - spl1=''"$(git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --message "Split & rejoin" --rejoin)"'' && - undo && - git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --rejoin && - check_equal ''"$(last_commit_message)"'' "Split '"'"'subdir/'"'"' into commit '"'"'"$spl1"'"'"'" -' - -test_expect_success 'add main-sub8' ' - create subdir/main-sub8 && - git commit -m "main-sub8" + 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"'' "$subdir_hash" + ) + ) ' -# To the subproject! -cd ./subproj - -test_expect_success 'merge split into subproj' ' - git fetch .. spl1 && - git branch spl1 FETCH_HEAD && - git merge FETCH_HEAD +next_test +test_expect_success 'split "sub dir"/ with --branch for an existing branch' ' + subtree_test_create_repo "$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" + ) ' -test_expect_success 'add sub9' ' - create sub9 && - git commit -m "sub9" +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 + ) ' -# Back to mainline -cd .. - -test_expect_success 'split for sub8' ' - split2=''"$(git subtree split --annotate='"'*'"' --prefix subdir/ --rejoin)"'' - git branch split2 "$split2" -' - -test_expect_success 'add main-sub10' ' - create subdir/main-sub10 && - git commit -m "main-sub10" -' - -test_expect_success 'split for sub10' ' - spl3=''"$(git subtree split --annotate='"'*'"' --prefix subdir --rejoin)"'' && - git branch spl3 "$spl3" -' - -# To the subproject! -cd ./subproj - -test_expect_success 'merge split into subproj' ' - git fetch .. spl3 && - git branch spl3 FETCH_HEAD && - git merge FETCH_HEAD && - git branch subproj-merge-spl3 -' - -chkm="main4 main6" -chkms="main-sub10 main-sub5 main-sub7 main-sub8" -chkms_sub=$(echo $chkms | multiline | sed 's,^,subdir/,' | fixnl) -chks="sub1 sub2 sub3 sub9" -chks_sub=$(echo $chks | multiline | sed 's,^,subdir/,' | fixnl) +# +# Validity checking +# +next_test test_expect_success 'make sure exactly the right set of files ends up in the subproj' ' - subfiles=''"$(git ls-files | fixnl)"'' && - check_equal "$subfiles" "$chkms $chks" -' - -test_expect_success 'make sure the subproj history *only* contains commits that affect the subdir' ' - allchanges=''"$(git log --name-only --pretty=format:'"''"' | sort | fixnl)"'' && - check_equal "$allchanges" "$chkms $chks" + subtree_test_create_repo "$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 +$chks" + ) ' -# Back to mainline -cd .. - -test_expect_success 'pull from subproj' ' - git fetch ./subproj subproj-merge-spl3 && - git branch subproj-merge-spl3 FETCH_HEAD && - git subtree pull --prefix=subdir ./subproj subproj-merge-spl3 +next_test +test_expect_success 'make sure the subproj *only* contains commits that affect the "sub dir"' ' + subtree_test_create_repo "$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' ' - mainfiles=''"$(git ls-files | fixnl)"'' && - check_equal "$mainfiles" "$chkm $chkms_sub $chks_sub" + subtree_test_create_repo "$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 +$chks_sub" +) ' +next_test test_expect_success 'make sure each filename changed exactly once in the entire history' ' - # main-sub?? and /subdir/main-sub?? both change, because those are the - # changes that were split into their own history. And subdir/sub?? never - # change, since they were *only* changed in the subtree branch. - allchanges=''"$(git log --name-only --pretty=format:'"''"' | sort | fixnl)"'' && - check_equal "$allchanges" ''"$(echo $chkms $chkm $chks $chkms_sub | multiline | sort | fixnl)"'' + subtree_test_create_repo "$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" "$expected" + ) ' +next_test test_expect_success 'make sure the --rejoin commits never make it into subproj' ' - check_equal ''"$(git log --pretty=format:'"'%s'"' HEAD^2 | grep -i 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 && + 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' ' - # They are meaningless to subproj since one side of the merge refers to the mainline - check_equal ''"$(git log --pretty=format:'"'%s%n%b'"' HEAD^2 | grep "git-subtree.*:")"'' "" -' - -# prepare second pair of repositories -mkdir test2 -cd test2 - -test_expect_success 'init main' ' - test_create_repo main -' - -cd main - -test_expect_success 'add main1' ' - create main1 && - git commit -m "main1" -' - -cd .. - -test_expect_success 'init sub' ' - test_create_repo sub -' - -cd sub - -test_expect_success 'add sub2' ' - create sub2 && - git commit -m "sub2" -' - -cd ../main - -# check if split can find proper base without --onto - -test_expect_success 'add sub as subdir in main' ' - git fetch ../sub master && - git branch sub2 FETCH_HEAD && - git subtree add --prefix subdir sub2 -' - -cd ../sub - -test_expect_success 'add sub3' ' - create sub3 && - git commit -m "sub3" + subtree_test_create_repo "$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 "$(git log --pretty=format:"%s%n%b" HEAD^2 | grep "git-subtree.*:")" "" + ) ' -cd ../main - -test_expect_success 'merge from sub' ' - git fetch ../sub master && - git branch sub3 FETCH_HEAD && - git subtree merge --prefix subdir sub3 -' - -test_expect_success 'add main-sub4' ' - create subdir/main-sub4 && - git commit -m "main-sub4" -' +# +# A new set of tests +# -test_expect_success 'split for main-sub4 without --onto' ' - git subtree split --prefix subdir --branch mainsub4 +next_test +test_expect_success 'make sure "git subtree split" find the correct parent' ' + subtree_test_create_repo "$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 branch subproj-ref FETCH_HEAD && + git subtree merge --prefix="sub dir" FETCH_HEAD + ) && + test_create_commit "$subtree_test_count" "sub dir"/main-sub1 && + ( + cd "$subtree_test_count" && + git subtree split --prefix="sub dir" --branch subproj-br && + + # at this point, the new commit parent should be subproj-ref, if it is + # not, something went wrong (the "newparent" of "master~" commit should + # have been sub2, but it was not, because its cache was not set to + # itself) + check_equal "$(git log --pretty=format:%P -1 subproj-br)" "$(git rev-parse subproj-ref)" + ) ' -# at this point, the new commit parent should be sub3 if it is not, -# something went wrong (the "newparent" of "master~" commit should -# have been sub3, but it was not, because its cache was not set to -# itself) - -test_expect_success 'check that the commit parent is sub3' ' - check_equal ''"$(git log --pretty=format:%P -1 mainsub4)"'' ''"$(git rev-parse sub3)"'' +next_test +test_expect_success 'split a new subtree without --onto option' ' + 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 "$subtree_test_count" && + git fetch ./"sub proj" master && + git subtree merge --prefix="sub dir" FETCH_HEAD + ) && + test_create_commit "$subtree_test_count" "sub dir"/main-sub1 && + ( + cd "$subtree_test_count" && + git subtree split --prefix="sub dir" --branch subproj-br + ) && + mkdir "$subtree_test_count"/"sub dir2" && + test_create_commit "$subtree_test_count" "sub dir2"/main-sub2 && + ( + cd "$subtree_test_count" && + + # also test that we still can split out an entirely new subtree + # if the parent of the first commit in the tree is not empty, + # then the new subtree has accidentally been attached to something + git subtree split --prefix="sub dir2" --branch subproj2-br && + check_equal "$(git log --pretty=format:%P -1 subproj2-br)" "" + ) ' -test_expect_success 'add main-sub5' ' - mkdir subdir2 && - create subdir2/main-sub5 && - git commit -m "main-sub5" +next_test +test_expect_success 'verify one file change per commit' ' + subtree_test_create_repo "$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 sub1 FETCH_HEAD && + git subtree add --prefix="sub dir" sub1 + ) && + 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 + ) && + test_create_commit "$subtree_test_count" "sub dir"/main-sub1 && + ( + cd "$subtree_test_count" && + git subtree split --prefix="sub dir" --branch subproj-br + ) && + mkdir "$subtree_test_count"/"sub dir2" && + test_create_commit "$subtree_test_count" "sub dir2"/main-sub2 && + ( + cd "$subtree_test_count" && + git subtree split --prefix="sub dir2" --branch subproj2-br && + + x= && + git log --pretty=format:"commit: %H" | join_commits | + ( + while read commit a b; do + test_debug "echo Verifying commit $commit" + test_debug "echo a: $a" + test_debug "echo b: $b" + check_equal "$b" "" + x=1 + done + check_equal "$x" 1 + ) + ) ' -test_expect_success 'split for main-sub5 without --onto' ' - # also test that we still can split out an entirely new subtree - # if the parent of the first commit in the tree is not empty, - # then the new subtree has accidentally been attached to something - git subtree split --prefix subdir2 --branch mainsub5 && - check_equal ''"$(git log --pretty=format:%P -1 mainsub5)"'' "" +next_test +test_expect_success 'push split to 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 $subtree_test_count/"sub proj" && + git branch sub-branch-1 && + cd .. && + git fetch ./"sub proj" master && + git subtree merge --prefix="sub dir" FETCH_HEAD + ) && + test_create_commit "$subtree_test_count" "sub dir"/main-sub3 && + ( + cd "$subtree_test_count" && + git subtree push ./"sub proj" --prefix "sub dir" sub-branch-1 && + cd ./"sub proj" && + git checkout sub-branch-1 && + check_equal "$(last_commit_message)" "sub dir/main-sub3" + ) ' -# 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. -joincommits() -{ - commit= - all= - while read x y; do - #echo "{$x}" >&2 - if [ -z "$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 $all" -} +# +# This test covers 2 cases in subtree split copy_or_skip code +# 1) Merges where one parent is a superset of the changes of the other +# parent regarding changes to the subtree, in this case the merge +# commit should be copied +# 2) Merges where only one parent operate on the subtree, and the merge +# commit should be skipped +# +# (1) is checked by ensuring subtree_tip is a descendent of subtree_branch +# (2) should have a check added (not_a_subtree_change shouldn't be present +# on the produced subtree) +# +# Other related cases which are not tested (or currently handled correctly) +# - Case (1) where there are more than 2 parents, it will sometimes correctly copy +# the merge, and sometimes not +# - Merge commit where both parents have same tree as the merge, currently +# will always be skipped, even if they reached that state via different +# set of commits. +# -test_expect_success 'verify one file change per commit' ' - x= && - list=''"$(git log --pretty=format:'"'commit: %H'"' | joincommits)"'' && -# test_debug "echo HERE" && -# test_debug "echo ''"$list"''" && - (git log --pretty=format:'"'commit: %H'"' | joincommits | - ( while read commit a b; do - test_debug "echo Verifying commit "''"$commit"'' - test_debug "echo a: "''"$a"'' - test_debug "echo b: "''"$b"'' - check_equal "$b" "" - x=1 - done - check_equal "$x" 1 - )) +next_test +test_expect_success 'subtree descendant check' ' + subtree_test_create_repo "$subtree_test_count" && + test_create_commit "$subtree_test_count" folder_subtree/a && + ( + cd "$subtree_test_count" && + git branch branch + ) && + test_create_commit "$subtree_test_count" folder_subtree/0 && + test_create_commit "$subtree_test_count" folder_subtree/b && + cherry=$(cd "$subtree_test_count"; git rev-parse HEAD) && + ( + cd "$subtree_test_count" && + git checkout branch + ) && + test_create_commit "$subtree_test_count" commit_on_branch && + ( + cd "$subtree_test_count" && + git cherry-pick $cherry && + git checkout master && + git merge -m "merge should be kept on subtree" branch && + git branch no_subtree_work_branch + ) && + test_create_commit "$subtree_test_count" folder_subtree/d && + ( + cd "$subtree_test_count" && + git checkout no_subtree_work_branch + ) && + test_create_commit "$subtree_test_count" not_a_subtree_change && + ( + cd "$subtree_test_count" && + git checkout master && + git merge -m "merge should be skipped on subtree" no_subtree_work_branch && + + git subtree split --prefix folder_subtree/ --branch subtree_tip master && + git subtree split --prefix folder_subtree/ --branch subtree_branch branch && + check_equal $(git rev-list --count subtree_tip..subtree_branch) 0 + ) ' test_done |