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authorLibravatar Elijah Newren <newren@gmail.com>2018-07-31 10:12:04 -0700
committerLibravatar Junio C Hamano <gitster@pobox.com>2018-07-31 12:51:09 -0700
commit25c200a70078054b59331d50509481d00647dcbf (patch)
treec4ad01a04524bd3982febee086c18aa1722c26fa /t/t1015-read-index-unmerged.sh
parentGit 2.18 (diff)
downloadtgif-25c200a70078054b59331d50509481d00647dcbf.tar.xz
t1015: demonstrate directory/file conflict recovery failures
Several "recovery" commands outright fail or do not fully recover when directory-file conflicts are present. This includes: * git read-tree --reset HEAD * git am --skip * git am --abort * git merge --abort * git reset --hard Add testcases documenting these shortcomings. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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diff --git a/t/t1015-read-index-unmerged.sh b/t/t1015-read-index-unmerged.sh
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+#!/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_failure '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_failure '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_failure '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_failure '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