diff options
| -rw-r--r-- | read-cache.c | 13 | ||||
| -rwxr-xr-x | t/t1015-read-index-unmerged.sh | 123 | ||||
| -rwxr-xr-x | t/t6020-merge-df.sh | 3 | ||||
| -rwxr-xr-x | t/t6042-merge-rename-corner-cases.sh | 1 |
4 files changed, 131 insertions, 9 deletions
diff --git a/read-cache.c b/read-cache.c index 880849fc8a..c5fabc844a 100644 --- a/read-cache.c +++ b/read-cache.c @@ -2808,10 +2808,13 @@ out: /* * Read the index file that is potentially unmerged into given - * index_state, dropping any unmerged entries. Returns true if - * the index is unmerged. Callers who want to refuse to work - * from an unmerged state can call this and check its return value, - * instead of calling read_cache(). + * index_state, dropping any unmerged entries to stage #0 (potentially + * resulting in a path appearing as both a file and a directory in the + * index; the caller is responsible to clear out the extra entries + * before writing the index to a tree). Returns true if the index is + * unmerged. Callers who want to refuse to work from an unmerged + * state can call this and check its return value, instead of calling + * read_cache(). */ int read_index_unmerged(struct index_state *istate) { @@ -2833,7 +2836,7 @@ int read_index_unmerged(struct index_state *istate) new_ce->ce_flags = create_ce_flags(0) | CE_CONFLICTED; new_ce->ce_namelen = len; new_ce->ce_mode = ce->ce_mode; - if (add_index_entry(istate, new_ce, 0)) + if (add_index_entry(istate, new_ce, ADD_CACHE_SKIP_DFCHECK)) return error("%s: cannot drop to stage #0", new_ce->name); } diff --git a/t/t1015-read-index-unmerged.sh b/t/t1015-read-index-unmerged.sh new file mode 100755 index 0000000000..55d22da32c --- /dev/null +++ b/t/t1015-read-index-unmerged.sh @@ -0,0 +1,123 @@ +#!/bin/sh + +test_description='Test various callers of read_index_unmerged' +. ./test-lib.sh + +test_expect_success 'setup modify/delete + directory/file conflict' ' + test_create_repo df_plus_modify_delete && + ( + cd df_plus_modify_delete && + + test_write_lines a b c d e f g h >letters && + git add letters && + git commit -m initial && + + git checkout -b modify && + # Throw in letters.txt for sorting order fun + # ("letters.txt" sorts between "letters" and "letters/file") + echo i >>letters && + echo "version 2" >letters.txt && + git add letters letters.txt && + git commit -m modified && + + git checkout -b delete HEAD^ && + git rm letters && + mkdir letters && + >letters/file && + echo "version 1" >letters.txt && + git add letters letters.txt && + git commit -m deleted + ) +' + +test_expect_success 'read-tree --reset cleans unmerged entries' ' + test_when_finished "git -C df_plus_modify_delete clean -f" && + test_when_finished "git -C df_plus_modify_delete reset --hard" && + ( + cd df_plus_modify_delete && + + git checkout delete^0 && + test_must_fail git merge modify && + + git read-tree --reset HEAD && + git ls-files -u >conflicts && + test_must_be_empty conflicts + ) +' + +test_expect_success 'One reset --hard cleans unmerged entries' ' + test_when_finished "git -C df_plus_modify_delete clean -f" && + test_when_finished "git -C df_plus_modify_delete reset --hard" && + ( + cd df_plus_modify_delete && + + git checkout delete^0 && + test_must_fail git merge modify && + + git reset --hard && + test_path_is_missing .git/MERGE_HEAD && + git ls-files -u >conflicts && + test_must_be_empty conflicts + ) +' + +test_expect_success 'setup directory/file conflict + simple edit/edit' ' + test_create_repo df_plus_edit_edit && + ( + cd df_plus_edit_edit && + + test_seq 1 10 >numbers && + git add numbers && + git commit -m initial && + + git checkout -b d-edit && + mkdir foo && + echo content >foo/bar && + git add foo && + echo 11 >>numbers && + git add numbers && + git commit -m "directory and edit" && + + git checkout -b f-edit d-edit^1 && + echo content >foo && + git add foo && + echo eleven >>numbers && + git add numbers && + git commit -m "file and edit" + ) +' + +test_expect_success 'git merge --abort succeeds despite D/F conflict' ' + test_when_finished "git -C df_plus_edit_edit clean -f" && + test_when_finished "git -C df_plus_edit_edit reset --hard" && + ( + cd df_plus_edit_edit && + + git checkout f-edit^0 && + test_must_fail git merge d-edit^0 && + + git merge --abort && + test_path_is_missing .git/MERGE_HEAD && + git ls-files -u >conflicts && + test_must_be_empty conflicts + ) +' + +test_expect_success 'git am --skip succeeds despite D/F conflict' ' + test_when_finished "git -C df_plus_edit_edit clean -f" && + test_when_finished "git -C df_plus_edit_edit reset --hard" && + ( + cd df_plus_edit_edit && + + git checkout f-edit^0 && + git format-patch -1 d-edit && + test_must_fail git am -3 0001*.patch && + + git am --skip && + test_path_is_missing .git/rebase-apply && + git ls-files -u >conflicts && + test_must_be_empty conflicts + ) +' + +test_done diff --git a/t/t6020-merge-df.sh b/t/t6020-merge-df.sh index 2af1beec5f..46b506b3b7 100755 --- a/t/t6020-merge-df.sh +++ b/t/t6020-merge-df.sh @@ -89,9 +89,6 @@ test_expect_success 'modify/delete + directory/file conflict' ' ' test_expect_success 'modify/delete + directory/file conflict; other way' ' - # Yes, we really need the double reset since "letters" appears as - # both a file and a directory. - git reset --hard && git reset --hard && git clean -f && git checkout modify^0 && diff --git a/t/t6042-merge-rename-corner-cases.sh b/t/t6042-merge-rename-corner-cases.sh index 07dd09d985..b97aca7fa2 100755 --- a/t/t6042-merge-rename-corner-cases.sh +++ b/t/t6042-merge-rename-corner-cases.sh @@ -324,7 +324,6 @@ test_expect_success 'rename/directory conflict + content merge conflict' ' cd rename-directory-1 && git reset --hard && - git reset --hard && git clean -fdqx && git checkout left-conflict^0 && |