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Diffstat (limited to 't/t6030-bisect-porcelain.sh')
| -rwxr-xr-x | t/t6030-bisect-porcelain.sh | 1066 |
1 files changed, 1066 insertions, 0 deletions
diff --git a/t/t6030-bisect-porcelain.sh b/t/t6030-bisect-porcelain.sh new file mode 100755 index 0000000..6dbbe62 --- /dev/null +++ b/t/t6030-bisect-porcelain.sh @@ -0,0 +1,1066 @@ +#!/bin/sh +# +# Copyright (c) 2007 Christian Couder +# +test_description='Tests git bisect functionality' + +exec </dev/null + +GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main +export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME + +. ./test-lib.sh + +add_line_into_file() +{ + _line=$1 + _file=$2 + + if [ -f "$_file" ]; then + echo "$_line" >> $_file || return $? + MSG="Add <$_line> into <$_file>." + else + echo "$_line" > $_file || return $? + git add $_file || return $? + MSG="Create file <$_file> with <$_line> inside." + fi + + test_tick + git commit --quiet -m "$MSG" $_file +} + +HASH1= +HASH2= +HASH3= +HASH4= + +test_expect_success 'set up basic repo with 1 file (hello) and 4 commits' ' + add_line_into_file "1: Hello World" hello && + HASH1=$(git rev-parse --verify HEAD) && + add_line_into_file "2: A new day for git" hello && + HASH2=$(git rev-parse --verify HEAD) && + add_line_into_file "3: Another new day for git" hello && + HASH3=$(git rev-parse --verify HEAD) && + add_line_into_file "4: Ciao for now" hello && + HASH4=$(git rev-parse --verify HEAD) +' + +test_expect_success 'bisect starts with only one bad' ' + git bisect reset && + git bisect start && + git bisect bad $HASH4 && + git bisect next +' + +test_expect_success 'bisect does not start with only one good' ' + git bisect reset && + git bisect start && + git bisect good $HASH1 && + test_must_fail git bisect next +' + +test_expect_success 'bisect start with one bad and good' ' + git bisect reset && + git bisect start && + git bisect good $HASH1 && + git bisect bad $HASH4 && + git bisect next +' + +test_expect_success 'bisect fails if given any junk instead of revs' ' + git bisect reset && + test_must_fail git bisect start foo $HASH1 -- && + test_must_fail git bisect start $HASH4 $HASH1 bar -- && + test -z "$(git for-each-ref "refs/bisect/*")" && + test -z "$(ls .git/BISECT_* 2>/dev/null)" && + git bisect start && + test_must_fail git bisect good foo $HASH1 && + test_must_fail git bisect good $HASH1 bar && + test_must_fail git bisect bad frotz && + test_must_fail git bisect bad $HASH3 $HASH4 && + test_must_fail git bisect skip bar $HASH3 && + test_must_fail git bisect skip $HASH1 foo && + test -z "$(git for-each-ref "refs/bisect/*")" && + git bisect good $HASH1 && + git bisect bad $HASH4 +' + +test_expect_success 'bisect start without -- takes unknown arg as pathspec' ' + git bisect reset && + git bisect start foo bar && + grep foo ".git/BISECT_NAMES" && + grep bar ".git/BISECT_NAMES" +' + +test_expect_success 'bisect reset: back in the main branch' ' + git bisect reset && + echo "* main" > branch.expect && + git branch > branch.output && + cmp branch.expect branch.output +' + +test_expect_success 'bisect reset: back in another branch' ' + git checkout -b other && + git bisect start && + git bisect good $HASH1 && + git bisect bad $HASH3 && + git bisect reset && + echo " main" > branch.expect && + echo "* other" >> branch.expect && + git branch > branch.output && + cmp branch.expect branch.output +' + +test_expect_success 'bisect reset when not bisecting' ' + git bisect reset && + git branch > branch.output && + cmp branch.expect branch.output +' + +test_expect_success 'bisect reset removes packed refs' ' + git bisect reset && + git bisect start && + git bisect good $HASH1 && + git bisect bad $HASH3 && + git pack-refs --all --prune && + git bisect next && + git bisect reset && + test -z "$(git for-each-ref "refs/bisect/*")" && + test -z "$(git for-each-ref "refs/heads/bisect")" +' + +test_expect_success 'bisect reset removes bisect state after --no-checkout' ' + git bisect reset && + git bisect start --no-checkout && + git bisect good $HASH1 && + git bisect bad $HASH3 && + git bisect next && + git bisect reset && + test -z "$(git for-each-ref "refs/bisect/*")" && + test -z "$(git for-each-ref "refs/heads/bisect")" && + test -z "$(git for-each-ref "BISECT_HEAD")" +' + +test_expect_success 'bisect start: back in good branch' ' + git branch > branch.output && + grep "* other" branch.output > /dev/null && + git bisect start $HASH4 $HASH1 -- && + git bisect good && + git bisect start $HASH4 $HASH1 -- && + git bisect bad && + git bisect reset && + git branch > branch.output && + grep "* other" branch.output > /dev/null +' + +test_expect_success 'bisect start: no ".git/BISECT_START" created if junk rev' ' + git bisect reset && + test_must_fail git bisect start $HASH4 foo -- && + git branch > branch.output && + grep "* other" branch.output > /dev/null && + test_path_is_missing .git/BISECT_START +' + +test_expect_success 'bisect start: existing ".git/BISECT_START" not modified if junk rev' ' + git bisect start $HASH4 $HASH1 -- && + git bisect good && + cp .git/BISECT_START saved && + test_must_fail git bisect start $HASH4 foo -- && + git branch > branch.output && + test_i18ngrep "* (no branch, bisect started on other)" branch.output > /dev/null && + test_cmp saved .git/BISECT_START +' +test_expect_success 'bisect start: no ".git/BISECT_START" if mistaken rev' ' + git bisect start $HASH4 $HASH1 -- && + git bisect good && + test_must_fail git bisect start $HASH1 $HASH4 -- && + git branch > branch.output && + grep "* other" branch.output > /dev/null && + test_path_is_missing .git/BISECT_START +' + +test_expect_success 'bisect start: no ".git/BISECT_START" if checkout error' ' + echo "temp stuff" > hello && + test_must_fail git bisect start $HASH4 $HASH1 -- && + git branch && + git branch > branch.output && + grep "* other" branch.output > /dev/null && + test_path_is_missing .git/BISECT_START && + test -z "$(git for-each-ref "refs/bisect/*")" && + git checkout HEAD hello +' + +# $HASH1 is good, $HASH4 is bad, we skip $HASH3 +# but $HASH2 is bad, +# so we should find $HASH2 as the first bad commit +test_expect_success 'bisect skip: successful result' ' + test_when_finished git bisect reset && + git bisect reset && + git bisect start $HASH4 $HASH1 && + git bisect skip && + git bisect bad > my_bisect_log.txt && + grep "$HASH2 is the first bad commit" my_bisect_log.txt +' + +# $HASH1 is good, $HASH4 is bad, we skip $HASH3 and $HASH2 +# so we should not be able to tell the first bad commit +# among $HASH2, $HASH3 and $HASH4 +test_expect_success 'bisect skip: cannot tell between 3 commits' ' + test_when_finished git bisect reset && + git bisect start $HASH4 $HASH1 && + git bisect skip && + test_expect_code 2 git bisect skip >my_bisect_log.txt && + grep "first bad commit could be any of" my_bisect_log.txt && + ! grep $HASH1 my_bisect_log.txt && + grep $HASH2 my_bisect_log.txt && + grep $HASH3 my_bisect_log.txt && + grep $HASH4 my_bisect_log.txt +' + +# $HASH1 is good, $HASH4 is bad, we skip $HASH3 +# but $HASH2 is good, +# so we should not be able to tell the first bad commit +# among $HASH3 and $HASH4 +test_expect_success 'bisect skip: cannot tell between 2 commits' ' + test_when_finished git bisect reset && + git bisect start $HASH4 $HASH1 && + git bisect skip && + test_expect_code 2 git bisect good >my_bisect_log.txt && + grep "first bad commit could be any of" my_bisect_log.txt && + ! grep $HASH1 my_bisect_log.txt && + ! grep $HASH2 my_bisect_log.txt && + grep $HASH3 my_bisect_log.txt && + grep $HASH4 my_bisect_log.txt +' + +# $HASH1 is good, $HASH4 is both skipped and bad, we skip $HASH3 +# and $HASH2 is good, +# so we should not be able to tell the first bad commit +# among $HASH3 and $HASH4 +test_expect_success 'bisect skip: with commit both bad and skipped' ' + test_when_finished git bisect reset && + git bisect start && + git bisect skip && + git bisect bad && + git bisect good $HASH1 && + git bisect skip && + test_expect_code 2 git bisect good >my_bisect_log.txt && + grep "first bad commit could be any of" my_bisect_log.txt && + ! grep $HASH1 my_bisect_log.txt && + ! grep $HASH2 my_bisect_log.txt && + grep $HASH3 my_bisect_log.txt && + grep $HASH4 my_bisect_log.txt +' + +# We want to automatically find the commit that +# added "Another" into hello. +test_expect_success '"git bisect run" simple case' ' + write_script test_script.sh <<-\EOF && + ! grep Another hello >/dev/null + EOF + git bisect start && + git bisect good $HASH1 && + git bisect bad $HASH4 && + git bisect run ./test_script.sh >my_bisect_log.txt && + grep "$HASH3 is the first bad commit" my_bisect_log.txt && + git bisect reset +' + +# We want to make sure no arguments has been eaten +test_expect_success '"git bisect run" simple case' ' + git bisect start && + git bisect good $HASH1 && + git bisect bad $HASH4 && + git bisect run printf "%s %s\n" reset --bisect-skip >my_bisect_log.txt && + grep -e "reset --bisect-skip" my_bisect_log.txt && + git bisect reset +' + +# We want to automatically find the commit that +# added "Ciao" into hello. +test_expect_success '"git bisect run" with more complex "git bisect start"' ' + write_script test_script.sh <<-\EOF && + ! grep Ciao hello >/dev/null + EOF + git bisect start $HASH4 $HASH1 && + git bisect run ./test_script.sh >my_bisect_log.txt && + grep "$HASH4 is the first bad commit" my_bisect_log.txt && + git bisect reset +' + +test_expect_success 'bisect run accepts exit code 126 as bad' ' + test_when_finished "git bisect reset" && + write_script test_script.sh <<-\EOF && + ! grep Another hello || exit 126 >/dev/null + EOF + git bisect start && + git bisect good $HASH1 && + git bisect bad $HASH4 && + git bisect run ./test_script.sh >my_bisect_log.txt && + grep "$HASH3 is the first bad commit" my_bisect_log.txt +' + +test_expect_success POSIXPERM 'bisect run fails with non-executable test script' ' + test_when_finished "git bisect reset" && + >not-executable.sh && + chmod -x not-executable.sh && + git bisect start && + git bisect good $HASH1 && + git bisect bad $HASH4 && + test_must_fail git bisect run ./not-executable.sh >my_bisect_log.txt && + ! grep "is the first bad commit" my_bisect_log.txt +' + +test_expect_success 'bisect run accepts exit code 127 as bad' ' + test_when_finished "git bisect reset" && + write_script test_script.sh <<-\EOF && + ! grep Another hello || exit 127 >/dev/null + EOF + git bisect start && + git bisect good $HASH1 && + git bisect bad $HASH4 && + git bisect run ./test_script.sh >my_bisect_log.txt && + grep "$HASH3 is the first bad commit" my_bisect_log.txt +' + +test_expect_success 'bisect run fails with missing test script' ' + test_when_finished "git bisect reset" && + rm -f does-not-exist.sh && + git bisect start && + git bisect good $HASH1 && + git bisect bad $HASH4 && + test_must_fail git bisect run ./does-not-exist.sh >my_bisect_log.txt && + ! grep "is the first bad commit" my_bisect_log.txt +' + +# $HASH1 is good, $HASH5 is bad, we skip $HASH3 +# but $HASH4 is good, +# so we should find $HASH5 as the first bad commit +HASH5= +test_expect_success 'bisect skip: add line and then a new test' ' + add_line_into_file "5: Another new line." hello && + HASH5=$(git rev-parse --verify HEAD) && + git bisect start $HASH5 $HASH1 && + git bisect skip && + git bisect good > my_bisect_log.txt && + grep "$HASH5 is the first bad commit" my_bisect_log.txt && + git bisect log > log_to_replay.txt && + git bisect reset +' + +test_expect_success 'bisect skip and bisect replay' ' + git bisect replay log_to_replay.txt > my_bisect_log.txt && + grep "$HASH5 is the first bad commit" my_bisect_log.txt && + git bisect reset +' + +HASH6= +test_expect_success 'bisect run & skip: cannot tell between 2' ' + add_line_into_file "6: Yet a line." hello && + HASH6=$(git rev-parse --verify HEAD) && + write_script test_script.sh <<-\EOF && + sed -ne \$p hello | grep Ciao >/dev/null && exit 125 + ! grep line hello >/dev/null + EOF + git bisect start $HASH6 $HASH1 && + test_expect_code 2 git bisect run ./test_script.sh >my_bisect_log.txt && + grep "first bad commit could be any of" my_bisect_log.txt && + ! grep $HASH3 my_bisect_log.txt && + ! grep $HASH6 my_bisect_log.txt && + grep $HASH4 my_bisect_log.txt && + grep $HASH5 my_bisect_log.txt +' + +HASH7= +test_expect_success 'bisect run & skip: find first bad' ' + git bisect reset && + add_line_into_file "7: Should be the last line." hello && + HASH7=$(git rev-parse --verify HEAD) && + write_script test_script.sh <<-\EOF && + sed -ne \$p hello | grep Ciao >/dev/null && exit 125 + sed -ne \$p hello | grep day >/dev/null && exit 125 + ! grep Yet hello >/dev/null + EOF + git bisect start $HASH7 $HASH1 && + git bisect run ./test_script.sh >my_bisect_log.txt && + grep "$HASH6 is the first bad commit" my_bisect_log.txt +' + +test_expect_success 'bisect skip only one range' ' + git bisect reset && + git bisect start $HASH7 $HASH1 && + git bisect skip $HASH1..$HASH5 && + test "$HASH6" = "$(git rev-parse --verify HEAD)" && + test_must_fail git bisect bad > my_bisect_log.txt && + grep "first bad commit could be any of" my_bisect_log.txt +' + +test_expect_success 'bisect skip many ranges' ' + git bisect start $HASH7 $HASH1 && + test "$HASH4" = "$(git rev-parse --verify HEAD)" && + git bisect skip $HASH2 $HASH2.. ..$HASH5 && + test "$HASH6" = "$(git rev-parse --verify HEAD)" && + test_must_fail git bisect bad > my_bisect_log.txt && + grep "first bad commit could be any of" my_bisect_log.txt +' + +test_expect_success 'bisect starting with a detached HEAD' ' + git bisect reset && + git checkout main^ && + HEAD=$(git rev-parse --verify HEAD) && + git bisect start && + test $HEAD = $(cat .git/BISECT_START) && + git bisect reset && + test $HEAD = $(git rev-parse --verify HEAD) +' + +test_expect_success 'bisect errors out if bad and good are mistaken' ' + git bisect reset && + test_must_fail git bisect start $HASH2 $HASH4 2> rev_list_error && + test_i18ngrep "mistook good and bad" rev_list_error && + git bisect reset +' + +test_expect_success 'bisect does not create a "bisect" branch' ' + git bisect reset && + git bisect start $HASH7 $HASH1 && + git branch bisect && + rev_hash4=$(git rev-parse --verify HEAD) && + test "$rev_hash4" = "$HASH4" && + git branch -D bisect && + git bisect good && + git branch bisect && + rev_hash6=$(git rev-parse --verify HEAD) && + test "$rev_hash6" = "$HASH6" && + git bisect good > my_bisect_log.txt && + grep "$HASH7 is the first bad commit" my_bisect_log.txt && + git bisect reset && + rev_hash6=$(git rev-parse --verify bisect) && + test "$rev_hash6" = "$HASH6" && + git branch -D bisect +' + +# This creates a "side" branch to test "siblings" cases. +# +# H1-H2-H3-H4-H5-H6-H7 <--other +# \ +# S5-S6-S7 <--side +# +test_expect_success 'side branch creation' ' + git bisect reset && + git checkout -b side $HASH4 && + add_line_into_file "5(side): first line on a side branch" hello2 && + SIDE_HASH5=$(git rev-parse --verify HEAD) && + add_line_into_file "6(side): second line on a side branch" hello2 && + SIDE_HASH6=$(git rev-parse --verify HEAD) && + add_line_into_file "7(side): third line on a side branch" hello2 && + SIDE_HASH7=$(git rev-parse --verify HEAD) +' + +test_expect_success 'good merge base when good and bad are siblings' ' + git bisect start "$HASH7" "$SIDE_HASH7" > my_bisect_log.txt && + test_i18ngrep "merge base must be tested" my_bisect_log.txt && + grep $HASH4 my_bisect_log.txt && + git bisect good > my_bisect_log.txt && + ! grep "merge base must be tested" my_bisect_log.txt && + grep $HASH6 my_bisect_log.txt && + git bisect reset +' +test_expect_success 'skipped merge base when good and bad are siblings' ' + git bisect start "$SIDE_HASH7" "$HASH7" > my_bisect_log.txt && + test_i18ngrep "merge base must be tested" my_bisect_log.txt && + grep $HASH4 my_bisect_log.txt && + git bisect skip > my_bisect_log.txt 2>&1 && + grep "warning" my_bisect_log.txt && + grep $SIDE_HASH6 my_bisect_log.txt && + git bisect reset +' + +test_expect_success 'bad merge base when good and bad are siblings' ' + git bisect start "$HASH7" HEAD > my_bisect_log.txt && + test_i18ngrep "merge base must be tested" my_bisect_log.txt && + grep $HASH4 my_bisect_log.txt && + test_must_fail git bisect bad > my_bisect_log.txt 2>&1 && + test_i18ngrep "merge base $HASH4 is bad" my_bisect_log.txt && + test_i18ngrep "fixed between $HASH4 and \[$SIDE_HASH7\]" my_bisect_log.txt && + git bisect reset +' + +# This creates a few more commits (A and B) to test "siblings" cases +# when a good and a bad rev have many merge bases. +# +# We should have the following: +# +# H1-H2-H3-H4-H5-H6-H7 +# \ \ \ +# S5-A \ +# \ \ +# S6-S7----B +# +# And there A and B have 2 merge bases (S5 and H5) that should be +# reported by "git merge-base --all A B". +# +test_expect_success 'many merge bases creation' ' + git checkout "$SIDE_HASH5" && + git merge -m "merge HASH5 and SIDE_HASH5" "$HASH5" && + A_HASH=$(git rev-parse --verify HEAD) && + git checkout side && + git merge -m "merge HASH7 and SIDE_HASH7" "$HASH7" && + B_HASH=$(git rev-parse --verify HEAD) && + git merge-base --all "$A_HASH" "$B_HASH" > merge_bases.txt && + test_line_count = 2 merge_bases.txt && + grep "$HASH5" merge_bases.txt && + grep "$SIDE_HASH5" merge_bases.txt +' + +# We want to automatically find the merge that +# added "line" into hello. +test_expect_success '"git bisect run --first-parent" simple case' ' + git rev-list --first-parent $B_HASH ^$HASH4 >first_parent_chain.txt && + write_script test_script.sh <<-\EOF && + grep $(git rev-parse HEAD) first_parent_chain.txt || exit -1 + ! grep line hello >/dev/null + EOF + git bisect start --first-parent && + test_path_is_file ".git/BISECT_FIRST_PARENT" && + git bisect good $HASH4 && + git bisect bad $B_HASH && + git bisect run ./test_script.sh >my_bisect_log.txt && + grep "$B_HASH is the first bad commit" my_bisect_log.txt && + git bisect reset && + test_path_is_missing .git/BISECT_FIRST_PARENT +' + +test_expect_success 'good merge bases when good and bad are siblings' ' + git bisect start "$B_HASH" "$A_HASH" > my_bisect_log.txt && + test_i18ngrep "merge base must be tested" my_bisect_log.txt && + git bisect good > my_bisect_log2.txt && + test_i18ngrep "merge base must be tested" my_bisect_log2.txt && + { + { + grep "$SIDE_HASH5" my_bisect_log.txt && + grep "$HASH5" my_bisect_log2.txt + } || { + grep "$SIDE_HASH5" my_bisect_log2.txt && + grep "$HASH5" my_bisect_log.txt + } + } && + git bisect reset +' + +test_expect_success 'optimized merge base checks' ' + git bisect start "$HASH7" "$SIDE_HASH7" > my_bisect_log.txt && + test_i18ngrep "merge base must be tested" my_bisect_log.txt && + grep "$HASH4" my_bisect_log.txt && + git bisect good > my_bisect_log2.txt && + test -f ".git/BISECT_ANCESTORS_OK" && + test "$HASH6" = $(git rev-parse --verify HEAD) && + git bisect bad && + git bisect good "$A_HASH" > my_bisect_log4.txt && + test_i18ngrep "merge base must be tested" my_bisect_log4.txt && + test_path_is_missing ".git/BISECT_ANCESTORS_OK" +' + +# This creates another side branch called "parallel" with some files +# in some directories, to test bisecting with paths. +# +# We should have the following: +# +# P1-P2-P3-P4-P5-P6-P7 +# / / / +# H1-H2-H3-H4-H5-H6-H7 +# \ \ \ +# S5-A \ +# \ \ +# S6-S7----B +# +test_expect_success '"parallel" side branch creation' ' + git bisect reset && + git checkout -b parallel $HASH1 && + mkdir dir1 dir2 && + add_line_into_file "1(para): line 1 on parallel branch" dir1/file1 && + PARA_HASH1=$(git rev-parse --verify HEAD) && + add_line_into_file "2(para): line 2 on parallel branch" dir2/file2 && + PARA_HASH2=$(git rev-parse --verify HEAD) && + add_line_into_file "3(para): line 3 on parallel branch" dir2/file3 && + PARA_HASH3=$(git rev-parse --verify HEAD) && + git merge -m "merge HASH4 and PARA_HASH3" "$HASH4" && + PARA_HASH4=$(git rev-parse --verify HEAD) && + add_line_into_file "5(para): add line on parallel branch" dir1/file1 && + PARA_HASH5=$(git rev-parse --verify HEAD) && + add_line_into_file "6(para): add line on parallel branch" dir2/file2 && + PARA_HASH6=$(git rev-parse --verify HEAD) && + git merge -m "merge HASH7 and PARA_HASH6" "$HASH7" && + PARA_HASH7=$(git rev-parse --verify HEAD) +' + +test_expect_success 'restricting bisection on one dir' ' + git bisect reset && + git bisect start HEAD $HASH1 -- dir1 && + para1=$(git rev-parse --verify HEAD) && + test "$para1" = "$PARA_HASH1" && + git bisect bad > my_bisect_log.txt && + grep "$PARA_HASH1 is the first bad commit" my_bisect_log.txt +' + +test_expect_success 'restricting bisection on one dir and a file' ' + git bisect reset && + git bisect start HEAD $HASH1 -- dir1 hello && + para4=$(git rev-parse --verify HEAD) && + test "$para4" = "$PARA_HASH4" && + git bisect bad && + hash3=$(git rev-parse --verify HEAD) && + test "$hash3" = "$HASH3" && + git bisect good && + hash4=$(git rev-parse --verify HEAD) && + test "$hash4" = "$HASH4" && + git bisect good && + para1=$(git rev-parse --verify HEAD) && + test "$para1" = "$PARA_HASH1" && + git bisect good > my_bisect_log.txt && + grep "$PARA_HASH4 is the first bad commit" my_bisect_log.txt +' + +test_expect_success 'skipping away from skipped commit' ' + git bisect start $PARA_HASH7 $HASH1 && + para4=$(git rev-parse --verify HEAD) && + test "$para4" = "$PARA_HASH4" && + git bisect skip && + hash7=$(git rev-parse --verify HEAD) && + test "$hash7" = "$HASH7" && + git bisect skip && + para3=$(git rev-parse --verify HEAD) && + test "$para3" = "$PARA_HASH3" +' + +test_expect_success 'erroring out when using bad path arguments' ' + test_must_fail git bisect start $PARA_HASH7 $HASH1 -- foobar 2> error.txt && + test_i18ngrep "bad path arguments" error.txt +' + +test_expect_success 'test bisection on bare repo - --no-checkout specified' ' + git clone --bare . bare.nocheckout && + ( + cd bare.nocheckout && + git bisect start --no-checkout && + git bisect good $HASH1 && + git bisect bad $HASH4 && + git bisect run eval \ + "test \$(git rev-list BISECT_HEAD ^$HASH2 --max-count=1 | wc -l) = 0" \ + >../nocheckout.log + ) && + grep "$HASH3 is the first bad commit" nocheckout.log +' + + +test_expect_success 'test bisection on bare repo - --no-checkout defaulted' ' + git clone --bare . bare.defaulted && + ( + cd bare.defaulted && + git bisect start && + git bisect good $HASH1 && + git bisect bad $HASH4 && + git bisect run eval \ + "test \$(git rev-list BISECT_HEAD ^$HASH2 --max-count=1 | wc -l) = 0" \ + >../defaulted.log + ) && + grep "$HASH3 is the first bad commit" defaulted.log +' + +# +# This creates a broken branch which cannot be checked out because +# the tree created has been deleted. +# +# H1-H2-H3-H4-H5-H6-H7 <--other +# \ +# S5-S6'-S7'-S8'-S9 <--broken +# +# Commits marked with ' have a missing tree. +# +test_expect_success 'broken branch creation' ' + git bisect reset && + git checkout -b broken $HASH4 && + git tag BROKEN_HASH4 $HASH4 && + add_line_into_file "5(broken): first line on a broken branch" hello2 && + git tag BROKEN_HASH5 && + mkdir missing && + :> missing/MISSING && + git add missing/MISSING && + git commit -m "6(broken): Added file that will be deleted" && + git tag BROKEN_HASH6 && + deleted=$(git rev-parse --verify HEAD:missing) && + add_line_into_file "7(broken): second line on a broken branch" hello2 && + git tag BROKEN_HASH7 && + add_line_into_file "8(broken): third line on a broken branch" hello2 && + git tag BROKEN_HASH8 && + git rm missing/MISSING && + git commit -m "9(broken): Remove missing file" && + git tag BROKEN_HASH9 && + rm .git/objects/$(test_oid_to_path $deleted) +' + +echo "" > expected.ok +cat > expected.missing-tree.default <<EOF +fatal: unable to read tree $deleted +EOF + +test_expect_success 'bisect fails if tree is broken on start commit' ' + git bisect reset && + test_must_fail git bisect start BROKEN_HASH7 BROKEN_HASH4 2>error.txt && + test_cmp expected.missing-tree.default error.txt +' + +test_expect_success 'bisect fails if tree is broken on trial commit' ' + git bisect reset && + test_must_fail git bisect start BROKEN_HASH9 BROKEN_HASH4 2>error.txt && + git reset --hard broken && + git checkout broken && + test_cmp expected.missing-tree.default error.txt +' + +check_same() +{ + echo "Checking $1 is the same as $2" && + test_cmp_rev "$1" "$2" +} + +test_expect_success 'bisect: --no-checkout - start commit bad' ' + git bisect reset && + git bisect start BROKEN_HASH7 BROKEN_HASH4 --no-checkout && + check_same BROKEN_HASH6 BISECT_HEAD && + git bisect reset +' + +test_expect_success 'bisect: --no-checkout - trial commit bad' ' + git bisect reset && + git bisect start broken BROKEN_HASH4 --no-checkout && + check_same BROKEN_HASH6 BISECT_HEAD && + git bisect reset +' + +test_expect_success 'bisect: --no-checkout - target before breakage' ' + git bisect reset && + git bisect start broken BROKEN_HASH4 --no-checkout && + check_same BROKEN_HASH6 BISECT_HEAD && + git bisect bad BISECT_HEAD && + check_same BROKEN_HASH5 BISECT_HEAD && + git bisect bad BISECT_HEAD && + check_same BROKEN_HASH5 bisect/bad && + git bisect reset +' + +test_expect_success 'bisect: --no-checkout - target in breakage' ' + git bisect reset && + git bisect start broken BROKEN_HASH4 --no-checkout && + check_same BROKEN_HASH6 BISECT_HEAD && + git bisect bad BISECT_HEAD && + check_same BROKEN_HASH5 BISECT_HEAD && + test_must_fail git bisect good BISECT_HEAD && + check_same BROKEN_HASH6 bisect/bad && + git bisect reset +' + +test_expect_success 'bisect: --no-checkout - target after breakage' ' + git bisect reset && + git bisect start broken BROKEN_HASH4 --no-checkout && + check_same BROKEN_HASH6 BISECT_HEAD && + git bisect good BISECT_HEAD && + check_same BROKEN_HASH8 BISECT_HEAD && + test_must_fail git bisect good BISECT_HEAD && + check_same BROKEN_HASH9 bisect/bad && + git bisect reset +' + +test_expect_success 'bisect: demonstrate identification of damage boundary' " + git bisect reset && + git checkout broken && + git bisect start broken main --no-checkout && + test_must_fail git bisect run \"\$SHELL_PATH\" -c ' + GOOD=\$(git for-each-ref \"--format=%(objectname)\" refs/bisect/good-*) && + git rev-list --objects BISECT_HEAD --not \$GOOD >tmp.\$\$ && + git pack-objects --stdout >/dev/null < tmp.\$\$ + rc=\$? + rm -f tmp.\$\$ + test \$rc = 0' && + check_same BROKEN_HASH6 bisect/bad && + git bisect reset +" + +cat > expected.bisect-log <<EOF +# bad: [$HASH4] Add <4: Ciao for now> into <hello>. +# good: [$HASH2] Add <2: A new day for git> into <hello>. +git bisect start '$HASH4' '$HASH2' +# good: [$HASH3] Add <3: Another new day for git> into <hello>. +git bisect good $HASH3 +# first bad commit: [$HASH4] Add <4: Ciao for now> into <hello>. +EOF + +test_expect_success 'bisect log: successful result' ' + git bisect reset && + git bisect start $HASH4 $HASH2 && + git bisect good && + git bisect log >bisect-log.txt && + test_cmp expected.bisect-log bisect-log.txt && + git bisect reset +' + +cat > expected.bisect-skip-log <<EOF +# bad: [$HASH4] Add <4: Ciao for now> into <hello>. +# good: [$HASH2] Add <2: A new day for git> into <hello>. +git bisect start '$HASH4' '$HASH2' +# skip: [$HASH3] Add <3: Another new day for git> into <hello>. +git bisect skip $HASH3 +# only skipped commits left to test +# possible first bad commit: [$HASH4] Add <4: Ciao for now> into <hello>. +# possible first bad commit: [$HASH3] Add <3: Another new day for git> into <hello>. +EOF + +test_expect_success 'bisect log: only skip commits left' ' + git bisect reset && + git bisect start $HASH4 $HASH2 && + test_must_fail git bisect skip && + git bisect log >bisect-skip-log.txt && + test_cmp expected.bisect-skip-log bisect-skip-log.txt && + git bisect reset +' + +test_expect_success '"git bisect bad HEAD" behaves as "git bisect bad"' ' + git checkout parallel && + git bisect start HEAD $HASH1 && + git bisect good HEAD && + git bisect bad HEAD && + test "$HASH6" = $(git rev-parse --verify HEAD) && + git bisect reset +' + +test_expect_success 'bisect starts with only one new' ' + git bisect reset && + git bisect start && + git bisect new $HASH4 && + git bisect next +' + +test_expect_success 'bisect does not start with only one old' ' + git bisect reset && + git bisect start && + git bisect old $HASH1 && + test_must_fail git bisect next +' + +test_expect_success 'bisect start with one new and old' ' + git bisect reset && + git bisect start && + git bisect old $HASH1 && + git bisect new $HASH4 && + git bisect new && + git bisect new >bisect_result && + grep "$HASH2 is the first new commit" bisect_result && + git bisect log >log_to_replay.txt && + git bisect reset +' + +test_expect_success 'bisect replay with old and new' ' + git bisect replay log_to_replay.txt >bisect_result && + grep "$HASH2 is the first new commit" bisect_result && + git bisect reset +' + +test_expect_success 'bisect replay with CRLF log' ' + append_cr <log_to_replay.txt >log_to_replay_crlf.txt && + git bisect replay log_to_replay_crlf.txt >bisect_result_crlf && + grep "$HASH2 is the first new commit" bisect_result_crlf && + git bisect reset +' + +test_expect_success 'bisect cannot mix old/new and good/bad' ' + git bisect start && + git bisect bad $HASH4 && + test_must_fail git bisect old $HASH1 +' + +test_expect_success 'bisect terms needs 0 or 1 argument' ' + git bisect reset && + test_must_fail git bisect terms only-one && + test_must_fail git bisect terms 1 2 && + test_must_fail git bisect terms 2>actual && + echo "error: no terms defined" >expected && + test_cmp expected actual +' + +test_expect_success 'bisect terms shows good/bad after start' ' + git bisect reset && + git bisect start HEAD $HASH1 && + git bisect terms --term-good >actual && + echo good >expected && + test_cmp expected actual && + git bisect terms --term-bad >actual && + echo bad >expected && + test_cmp expected actual +' + +test_expect_success 'bisect start with one term1 and term2' ' + git bisect reset && + git bisect start --term-old term2 --term-new term1 && + git bisect term2 $HASH1 && + git bisect term1 $HASH4 && + git bisect term1 && + git bisect term1 >bisect_result && + grep "$HASH2 is the first term1 commit" bisect_result && + git bisect log >log_to_replay.txt && + git bisect reset +' + +test_expect_success 'bisect replay with term1 and term2' ' + git bisect replay log_to_replay.txt >bisect_result && + grep "$HASH2 is the first term1 commit" bisect_result && + git bisect reset +' + +test_expect_success 'bisect start term1 term2' ' + git bisect reset && + git bisect start --term-new term1 --term-old term2 $HASH4 $HASH1 && + git bisect term1 && + git bisect term1 >bisect_result && + grep "$HASH2 is the first term1 commit" bisect_result && + git bisect log >log_to_replay.txt && + git bisect reset +' + +test_expect_success 'bisect cannot mix terms' ' + git bisect reset && + git bisect start --term-good term1 --term-bad term2 $HASH4 $HASH1 && + test_must_fail git bisect a && + test_must_fail git bisect b && + test_must_fail git bisect bad && + test_must_fail git bisect good && + test_must_fail git bisect new && + test_must_fail git bisect old +' + +test_expect_success 'bisect terms rejects invalid terms' ' + git bisect reset && + test_must_fail git bisect start --term-good && + test_must_fail git bisect start --term-good invalid..term && + test_must_fail git bisect start --term-bad && + test_must_fail git bisect terms --term-bad invalid..term && + test_must_fail git bisect terms --term-good bad && + test_must_fail git bisect terms --term-good old && + test_must_fail git bisect terms --term-good skip && + test_must_fail git bisect terms --term-good reset && + test_path_is_missing .git/BISECT_TERMS +' + +test_expect_success 'bisect start --term-* does store terms' ' + git bisect reset && + git bisect start --term-bad=one --term-good=two && + git bisect terms >actual && + cat <<-EOF >expected && + Your current terms are two for the old state + and one for the new state. + EOF + test_cmp expected actual && + git bisect terms --term-bad >actual && + echo one >expected && + test_cmp expected actual && + git bisect terms --term-good >actual && + echo two >expected && + test_cmp expected actual +' + +test_expect_success 'bisect start takes options and revs in any order' ' + git bisect reset && + git bisect start --term-good one $HASH4 \ + --term-good two --term-bad bad-term \ + $HASH1 --term-good three -- && + (git bisect terms --term-bad && git bisect terms --term-good) >actual && + printf "%s\n%s\n" bad-term three >expected && + test_cmp expected actual +' + +# Bisect is started with --term-new and --term-old arguments, +# then skip. The HEAD should be changed. +test_expect_success 'bisect skip works with --term*' ' + git bisect reset && + git bisect start --term-new=fixed --term-old=unfixed HEAD $HASH1 && + hash_skipped_from=$(git rev-parse --verify HEAD) && + git bisect skip && + hash_skipped_to=$(git rev-parse --verify HEAD) && + test "$hash_skipped_from" != "$hash_skipped_to" +' + +test_expect_success 'git bisect reset cleans bisection state properly' ' + git bisect reset && + git bisect start && + git bisect good $HASH1 && + git bisect bad $HASH4 && + git bisect reset && + test -z "$(git for-each-ref "refs/bisect/*")" && + test_path_is_missing ".git/BISECT_EXPECTED_REV" && + test_path_is_missing ".git/BISECT_ANCESTORS_OK" && + test_path_is_missing ".git/BISECT_LOG" && + test_path_is_missing ".git/BISECT_RUN" && + test_path_is_missing ".git/BISECT_TERMS" && + test_path_is_missing ".git/head-name" && + test_path_is_missing ".git/BISECT_HEAD" && + test_path_is_missing ".git/BISECT_START" +' + +test_expect_success 'bisect handles annotated tags' ' + test_commit commit-one && + git tag -m foo tag-one && + test_commit commit-two && + git tag -m foo tag-two && + git bisect start && + git bisect good tag-one && + git bisect bad tag-two >output && + bad=$(git rev-parse --verify tag-two^{commit}) && + grep "$bad is the first bad commit" output +' + +test_expect_success 'bisect run fails with exit code equals or greater than 128' ' + write_script test_script.sh <<-\EOF && + exit 128 + EOF + test_must_fail git bisect run ./test_script.sh && + write_script test_script.sh <<-\EOF && + exit 255 + EOF + test_must_fail git bisect run ./test_script.sh +' + +test_expect_success 'bisect visualize with a filename with dash and space' ' + echo "My test line" >>"./-hello 2" && + git add -- "./-hello 2" && + git commit --quiet -m "Add test line" -- "./-hello 2" && + git bisect visualize -p -- "-hello 2" +' + +test_expect_success 'bisect state output with multiple good commits' ' + git bisect reset && + git bisect start >output && + grep "waiting for both good and bad commits" output && + git bisect log >output && + grep "waiting for both good and bad commits" output && + git bisect good "$HASH1" >output && + grep "waiting for bad commit, 1 good commit known" output && + git bisect log >output && + grep "waiting for bad commit, 1 good commit known" output && + git bisect good "$HASH2" >output && + grep "waiting for bad commit, 2 good commits known" output && + git bisect log >output && + grep "waiting for bad commit, 2 good commits known" output +' + +test_expect_success 'bisect state output with bad commit' ' + git bisect reset && + git bisect start >output && + grep "waiting for both good and bad commits" output && + git bisect log >output && + grep "waiting for both good and bad commits" output && + git bisect bad "$HASH4" >output && + grep -F "waiting for good commit(s), bad commit known" output && + git bisect log >output && + grep -F "waiting for good commit(s), bad commit known" output +' + +test_done |