Hi Junio On 9 Oct 2023, at 17:41, Junio C Hamano wrote: > "John Cai via GitGitGadget" <gitgitgadget@xxxxxxxxx> writes: > >> Fix this by initializing the repository in the index state. >> >> Changes since V2: >> >> * fixed test by using printf instead of echo > > Much better than using unportable \n with echo. > >> -+ echo "foo\nbar\nbaz" >expect && >> ++ printf "foo\nbar\nbaz\n" >expect && > > But if we are using printf, it would be easier to read lines > separately, which would look more like > > printf "%s\n" foo bar baz >expect > > And we have > > test_write_lines foo bar baz >expect > > to make it even more discoverable. wasn't aware of test_write_lines, thanks. > >> + git cat-file -p "$tree:file1" >actual && >> + test_cmp expect actual >> + ) >> >> >> merge-ort.c | 1 + >> t/t4300-merge-tree.sh | 27 +++++++++++++++++++++++++++ >> 2 files changed, 28 insertions(+) >> >> diff --git a/merge-ort.c b/merge-ort.c >> index 7857ce9fbd1..36537256613 100644 >> --- a/merge-ort.c >> +++ b/merge-ort.c >> @@ -1902,6 +1902,7 @@ static void initialize_attr_index(struct merge_options *opt) >> struct index_state *attr_index = &opt->priv->attr_index; >> struct cache_entry *ce; >> >> + attr_index->repo = opt->repo; >> attr_index->initialized = 1; >> >> if (!opt->renormalize) >> diff --git a/t/t4300-merge-tree.sh b/t/t4300-merge-tree.sh >> index 57c4f26e461..c3a03e54187 100755 >> --- a/t/t4300-merge-tree.sh >> +++ b/t/t4300-merge-tree.sh >> @@ -86,6 +86,33 @@ EXPECTED >> test_cmp expected actual >> ' >> >> +test_expect_success '3-way merge with --attr-source' ' >> + test_when_finished rm -rf 3-way && >> + git init 3-way && >> + ( >> + cd 3-way && >> + test_commit initial file1 foo && >> + base=$(git rev-parse HEAD) && >> + git checkout -b brancha && >> + echo bar >>file1 && >> + git commit -am "adding bar" && >> + source=$(git rev-parse HEAD) && >> + git checkout @{-1} && >> + git checkout -b branchb && >> + echo baz >>file1 && >> + git commit -am "adding baz" && >> + merge=$(git rev-parse HEAD) && >> + git checkout -b gitattributes && >> + test_commit "gitattributes" .gitattributes "file1 merge=union" && > > OK, the branch "gitattributes" will be used to drive merge of file1 > using the union merge to avoid conflicting. > >> + git checkout @{-1} && > > But such attribute will only be available in that branch, not in the > checked out working tree. And then > >> + tree=$(git --attr-source=gitattributes merge-tree --write-tree \ >> + --merge-base "$base" --end-of-options "$source" "$merge") && > > we use the gitattributes branch as the tree-ish to take the > attribute information from. Makes sense. > >> + printf "foo\nbar\nbaz\n" >expect && > > I'll squash in the "test_write_lines" change while queuing. thank you! John > >> + git cat-file -p "$tree:file1" >actual && >> + test_cmp expect actual >> + ) >> +' >> + >> test_expect_success 'file change A, B (same)' ' >> git reset --hard initial && >> test_commit "change-a-b-same-A" "initial-file" "AAA" && >> >> base-commit: 493f4622739e9b64f24b465b21aa85870dd9dc09 > > Thanks. Looking good.