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| -rwxr-xr-x | t/t6428-merge-conflicts-sparse.sh | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/t/t6428-merge-conflicts-sparse.sh b/t/t6428-merge-conflicts-sparse.sh new file mode 100755 index 0000000000..1bb52ff6f3 --- /dev/null +++ b/t/t6428-merge-conflicts-sparse.sh @@ -0,0 +1,158 @@ +#!/bin/sh + +test_description="merge cases" + +# The setup for all of them, pictorially, is: +# +# A +# o +# / \ +# O o ? +# \ / +# o +# B +# +# To help make it easier to follow the flow of tests, they have been +# divided into sections and each test will start with a quick explanation +# of what commits O, A, and B contain. +# +# Notation: +# z/{b,c} means files z/b and z/c both exist +# x/d_1 means file x/d exists with content d1. (Purpose of the +# underscore notation is to differentiate different +# files that might be renamed into each other's paths.) + +. ./test-lib.sh +. "$TEST_DIRECTORY"/lib-merge.sh + + +# Testcase basic, conflicting changes in 'numerals' + +test_setup_numerals () { + test_create_repo numerals_$1 && + ( + cd numerals_$1 && + + >README && + test_write_lines I II III >numerals && + git add README numerals && + test_tick && + git commit -m "O" && + + git branch O && + git branch A && + git branch B && + + git checkout A && + test_write_lines I II III IIII >numerals && + git add numerals && + test_tick && + git commit -m "A" && + + git checkout B && + test_write_lines I II III IV >numerals && + git add numerals && + test_tick && + git commit -m "B" && + + cat <<-EOF >expected-index && + H README + M numerals + M numerals + M numerals + EOF + + cat <<-EOF >expected-merge + I + II + III + <<<<<<< HEAD + IIII + ======= + IV + >>>>>>> B^0 + EOF + + ) +} + +test_expect_merge_algorithm success failure 'conflicting entries written to worktree even if sparse' ' + test_setup_numerals plain && + ( + cd numerals_plain && + + git checkout A^0 && + + test_path_is_file README && + test_path_is_file numerals && + + git sparse-checkout init && + git sparse-checkout set README && + + test_path_is_file README && + test_path_is_missing numerals && + + test_must_fail git merge -s recursive B^0 && + + git ls-files -t >index_files && + test_cmp expected-index index_files && + + test_path_is_file README && + test_path_is_file numerals && + + test_cmp expected-merge numerals && + + # 4 other files: + # * expected-merge + # * expected-index + # * index_files + # * others + git ls-files -o >others && + test_line_count = 4 others + ) +' + +test_expect_merge_algorithm failure failure 'present-despite-SKIP_WORKTREE handled reasonably' ' + test_setup_numerals in_the_way && + ( + cd numerals_in_the_way && + + git checkout A^0 && + + test_path_is_file README && + test_path_is_file numerals && + + git sparse-checkout init && + git sparse-checkout set README && + + test_path_is_file README && + test_path_is_missing numerals && + + echo foobar >numerals && + + test_must_fail git merge -s recursive B^0 && + + git ls-files -t >index_files && + test_cmp expected-index index_files && + + test_path_is_file README && + test_path_is_file numerals && + + test_cmp expected-merge numerals && + + # There should still be a file with "foobar" in it + grep foobar * && + + # 5 other files: + # * expected-merge + # * expected-index + # * index_files + # * others + # * whatever name was given to the numerals file that had + # "foobar" in it + git ls-files -o >others && + test_line_count = 5 others + ) +' + +test_done |