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![Junio C Hamano](/assets/img/avatar_default.png)
* cc/maint-1.6.0-bisect-fix: bisect: fix quoting TRIED revs when "bad" commit is also "skip"ped Conflicts: git-bisect.sh
512 lines
16 KiB
Bash
Executable file
512 lines
16 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2007 Christian Couder
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#
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test_description='Tests git bisect functionality'
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exec </dev/null
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. ./test-lib.sh
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add_line_into_file()
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{
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_line=$1
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_file=$2
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if [ -f "$_file" ]; then
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echo "$_line" >> $_file || return $?
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MSG="Add <$_line> into <$_file>."
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else
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echo "$_line" > $_file || return $?
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git add $_file || return $?
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MSG="Create file <$_file> with <$_line> inside."
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fi
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test_tick
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git commit --quiet -m "$MSG" $_file
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}
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HASH1=
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HASH2=
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HASH3=
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HASH4=
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test_expect_success 'set up basic repo with 1 file (hello) and 4 commits' '
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add_line_into_file "1: Hello World" hello &&
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HASH1=$(git rev-parse --verify HEAD) &&
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add_line_into_file "2: A new day for git" hello &&
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HASH2=$(git rev-parse --verify HEAD) &&
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add_line_into_file "3: Another new day for git" hello &&
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HASH3=$(git rev-parse --verify HEAD) &&
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add_line_into_file "4: Ciao for now" hello &&
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HASH4=$(git rev-parse --verify HEAD)
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'
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test_expect_success 'bisect starts with only one bad' '
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git bisect reset &&
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git bisect start &&
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git bisect bad $HASH4 &&
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git bisect next
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'
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test_expect_success 'bisect does not start with only one good' '
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git bisect reset &&
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git bisect start &&
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git bisect good $HASH1 || return 1
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if git bisect next
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then
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echo Oops, should have failed.
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false
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else
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:
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fi
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'
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test_expect_success 'bisect start with one bad and good' '
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git bisect reset &&
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git bisect start &&
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git bisect good $HASH1 &&
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git bisect bad $HASH4 &&
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git bisect next
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'
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test_expect_success 'bisect fails if given any junk instead of revs' '
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git bisect reset &&
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test_must_fail git bisect start foo $HASH1 -- &&
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test_must_fail git bisect start $HASH4 $HASH1 bar -- &&
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test -z "$(git for-each-ref "refs/bisect/*")" &&
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test -z "$(ls .git/BISECT_* 2>/dev/null)" &&
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git bisect start &&
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test_must_fail git bisect good foo $HASH1 &&
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test_must_fail git bisect good $HASH1 bar &&
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test_must_fail git bisect bad frotz &&
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test_must_fail git bisect bad $HASH3 $HASH4 &&
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test_must_fail git bisect skip bar $HASH3 &&
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test_must_fail git bisect skip $HASH1 foo &&
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test -z "$(git for-each-ref "refs/bisect/*")" &&
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git bisect good $HASH1 &&
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git bisect bad $HASH4
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'
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test_expect_success 'bisect reset: back in the master branch' '
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git bisect reset &&
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echo "* master" > branch.expect &&
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git branch > branch.output &&
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cmp branch.expect branch.output
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'
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test_expect_success 'bisect reset: back in another branch' '
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git checkout -b other &&
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git bisect start &&
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git bisect good $HASH1 &&
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git bisect bad $HASH3 &&
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git bisect reset &&
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echo " master" > branch.expect &&
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echo "* other" >> branch.expect &&
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git branch > branch.output &&
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cmp branch.expect branch.output
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'
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test_expect_success 'bisect reset when not bisecting' '
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git bisect reset &&
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git branch > branch.output &&
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cmp branch.expect branch.output
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'
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test_expect_success 'bisect reset removes packed refs' '
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git bisect reset &&
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git bisect start &&
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git bisect good $HASH1 &&
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git bisect bad $HASH3 &&
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git pack-refs --all --prune &&
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git bisect next &&
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git bisect reset &&
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test -z "$(git for-each-ref "refs/bisect/*")" &&
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test -z "$(git for-each-ref "refs/heads/bisect")"
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'
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test_expect_success 'bisect start: back in good branch' '
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git branch > branch.output &&
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grep "* other" branch.output > /dev/null &&
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git bisect start $HASH4 $HASH1 -- &&
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git bisect good &&
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git bisect start $HASH4 $HASH1 -- &&
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git bisect bad &&
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git bisect reset &&
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git branch > branch.output &&
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grep "* other" branch.output > /dev/null
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'
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test_expect_success 'bisect start: no ".git/BISECT_START" if junk rev' '
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git bisect start $HASH4 $HASH1 -- &&
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git bisect good &&
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test_must_fail git bisect start $HASH4 foo -- &&
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git branch > branch.output &&
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grep "* other" branch.output > /dev/null &&
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test_must_fail test -e .git/BISECT_START
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'
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test_expect_success 'bisect start: no ".git/BISECT_START" if mistaken rev' '
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git bisect start $HASH4 $HASH1 -- &&
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git bisect good &&
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test_must_fail git bisect start $HASH1 $HASH4 -- &&
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git branch > branch.output &&
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grep "* other" branch.output > /dev/null &&
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test_must_fail test -e .git/BISECT_START
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'
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test_expect_success 'bisect start: no ".git/BISECT_START" if checkout error' '
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echo "temp stuff" > hello &&
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test_must_fail git bisect start $HASH4 $HASH1 -- &&
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git branch &&
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git branch > branch.output &&
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grep "* other" branch.output > /dev/null &&
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test_must_fail test -e .git/BISECT_START &&
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test -z "$(git for-each-ref "refs/bisect/*")" &&
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git checkout HEAD hello
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'
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# $HASH1 is good, $HASH4 is bad, we skip $HASH3
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# but $HASH2 is bad,
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# so we should find $HASH2 as the first bad commit
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test_expect_success 'bisect skip: successfull result' '
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git bisect reset &&
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git bisect start $HASH4 $HASH1 &&
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git bisect skip &&
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git bisect bad > my_bisect_log.txt &&
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grep "$HASH2 is first bad commit" my_bisect_log.txt &&
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git bisect reset
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'
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# $HASH1 is good, $HASH4 is bad, we skip $HASH3 and $HASH2
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# so we should not be able to tell the first bad commit
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# among $HASH2, $HASH3 and $HASH4
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test_expect_success 'bisect skip: cannot tell between 3 commits' '
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git bisect start $HASH4 $HASH1 &&
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git bisect skip || return 1
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if git bisect skip > my_bisect_log.txt
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then
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echo Oops, should have failed.
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false
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else
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test $? -eq 2 &&
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grep "first bad commit could be any of" my_bisect_log.txt &&
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! grep $HASH1 my_bisect_log.txt &&
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grep $HASH2 my_bisect_log.txt &&
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grep $HASH3 my_bisect_log.txt &&
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grep $HASH4 my_bisect_log.txt &&
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git bisect reset
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fi
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'
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# $HASH1 is good, $HASH4 is bad, we skip $HASH3
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# but $HASH2 is good,
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# so we should not be able to tell the first bad commit
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# among $HASH3 and $HASH4
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test_expect_success 'bisect skip: cannot tell between 2 commits' '
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git bisect start $HASH4 $HASH1 &&
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git bisect skip || return 1
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if git bisect good > my_bisect_log.txt
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then
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echo Oops, should have failed.
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false
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else
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test $? -eq 2 &&
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grep "first bad commit could be any of" my_bisect_log.txt &&
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! grep $HASH1 my_bisect_log.txt &&
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! grep $HASH2 my_bisect_log.txt &&
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grep $HASH3 my_bisect_log.txt &&
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grep $HASH4 my_bisect_log.txt &&
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git bisect reset
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fi
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'
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# $HASH1 is good, $HASH4 is both skipped and bad, we skip $HASH3
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# and $HASH2 is good,
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# so we should not be able to tell the first bad commit
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# among $HASH3 and $HASH4
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test_expect_success 'bisect skip: with commit both bad and skipped' '
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git bisect start &&
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git bisect skip &&
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git bisect bad &&
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git bisect good $HASH1 &&
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git bisect skip &&
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if git bisect good > my_bisect_log.txt
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then
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echo Oops, should have failed.
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false
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else
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test $? -eq 2 &&
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grep "first bad commit could be any of" my_bisect_log.txt &&
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! grep $HASH1 my_bisect_log.txt &&
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! grep $HASH2 my_bisect_log.txt &&
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grep $HASH3 my_bisect_log.txt &&
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grep $HASH4 my_bisect_log.txt &&
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git bisect reset
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fi
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'
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# We want to automatically find the commit that
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# introduced "Another" into hello.
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test_expect_success \
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'"git bisect run" simple case' \
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'echo "#"\!"/bin/sh" > test_script.sh &&
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echo "grep Another hello > /dev/null" >> test_script.sh &&
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echo "test \$? -ne 0" >> test_script.sh &&
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chmod +x test_script.sh &&
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git bisect start &&
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git bisect good $HASH1 &&
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git bisect bad $HASH4 &&
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git bisect run ./test_script.sh > my_bisect_log.txt &&
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grep "$HASH3 is first bad commit" my_bisect_log.txt &&
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git bisect reset'
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# We want to automatically find the commit that
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# introduced "Ciao" into hello.
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test_expect_success \
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'"git bisect run" with more complex "git bisect start"' \
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'echo "#"\!"/bin/sh" > test_script.sh &&
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echo "grep Ciao hello > /dev/null" >> test_script.sh &&
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echo "test \$? -ne 0" >> test_script.sh &&
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chmod +x test_script.sh &&
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git bisect start $HASH4 $HASH1 &&
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git bisect run ./test_script.sh > my_bisect_log.txt &&
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grep "$HASH4 is first bad commit" my_bisect_log.txt &&
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git bisect reset'
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# $HASH1 is good, $HASH5 is bad, we skip $HASH3
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# but $HASH4 is good,
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# so we should find $HASH5 as the first bad commit
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HASH5=
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test_expect_success 'bisect skip: add line and then a new test' '
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add_line_into_file "5: Another new line." hello &&
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HASH5=$(git rev-parse --verify HEAD) &&
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git bisect start $HASH5 $HASH1 &&
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git bisect skip &&
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git bisect good > my_bisect_log.txt &&
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grep "$HASH5 is first bad commit" my_bisect_log.txt &&
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git bisect log > log_to_replay.txt &&
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git bisect reset
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'
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test_expect_success 'bisect skip and bisect replay' '
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git bisect replay log_to_replay.txt > my_bisect_log.txt &&
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grep "$HASH5 is first bad commit" my_bisect_log.txt &&
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git bisect reset
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'
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HASH6=
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test_expect_success 'bisect run & skip: cannot tell between 2' '
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add_line_into_file "6: Yet a line." hello &&
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HASH6=$(git rev-parse --verify HEAD) &&
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echo "#"\!"/bin/sh" > test_script.sh &&
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echo "sed -ne \\\$p hello | grep Ciao > /dev/null && exit 125" >> test_script.sh &&
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echo "grep line hello > /dev/null" >> test_script.sh &&
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echo "test \$? -ne 0" >> test_script.sh &&
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chmod +x test_script.sh &&
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git bisect start $HASH6 $HASH1 &&
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if git bisect run ./test_script.sh > my_bisect_log.txt
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then
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echo Oops, should have failed.
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false
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else
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test $? -eq 2 &&
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grep "first bad commit could be any of" my_bisect_log.txt &&
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! grep $HASH3 my_bisect_log.txt &&
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! grep $HASH6 my_bisect_log.txt &&
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grep $HASH4 my_bisect_log.txt &&
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grep $HASH5 my_bisect_log.txt
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fi
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'
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HASH7=
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test_expect_success 'bisect run & skip: find first bad' '
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git bisect reset &&
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add_line_into_file "7: Should be the last line." hello &&
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HASH7=$(git rev-parse --verify HEAD) &&
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echo "#"\!"/bin/sh" > test_script.sh &&
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echo "sed -ne \\\$p hello | grep Ciao > /dev/null && exit 125" >> test_script.sh &&
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echo "sed -ne \\\$p hello | grep day > /dev/null && exit 125" >> test_script.sh &&
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echo "grep Yet hello > /dev/null" >> test_script.sh &&
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echo "test \$? -ne 0" >> test_script.sh &&
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chmod +x test_script.sh &&
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git bisect start $HASH7 $HASH1 &&
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git bisect run ./test_script.sh > my_bisect_log.txt &&
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grep "$HASH6 is first bad commit" my_bisect_log.txt
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'
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test_expect_success 'bisect skip only one range' '
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git bisect reset &&
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git bisect start $HASH7 $HASH1 &&
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git bisect skip $HASH1..$HASH5 &&
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test "$HASH6" = "$(git rev-parse --verify HEAD)" &&
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test_must_fail git bisect bad > my_bisect_log.txt &&
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grep "first bad commit could be any of" my_bisect_log.txt
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'
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test_expect_success 'bisect skip many ranges' '
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git bisect start $HASH7 $HASH1 &&
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test "$HASH4" = "$(git rev-parse --verify HEAD)" &&
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git bisect skip $HASH2 $HASH2.. ..$HASH5 &&
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test "$HASH6" = "$(git rev-parse --verify HEAD)" &&
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test_must_fail git bisect bad > my_bisect_log.txt &&
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grep "first bad commit could be any of" my_bisect_log.txt
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'
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test_expect_success 'bisect starting with a detached HEAD' '
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git bisect reset &&
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git checkout master^ &&
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HEAD=$(git rev-parse --verify HEAD) &&
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git bisect start &&
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test $HEAD = $(cat .git/BISECT_START) &&
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git bisect reset &&
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test $HEAD = $(git rev-parse --verify HEAD)
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'
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test_expect_success 'bisect errors out if bad and good are mistaken' '
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git bisect reset &&
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test_must_fail git bisect start $HASH2 $HASH4 2> rev_list_error &&
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grep "mistake good and bad" rev_list_error &&
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git bisect reset
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'
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test_expect_success 'bisect does not create a "bisect" branch' '
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git bisect reset &&
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git bisect start $HASH7 $HASH1 &&
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git branch bisect &&
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rev_hash4=$(git rev-parse --verify HEAD) &&
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test "$rev_hash4" = "$HASH4" &&
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git branch -D bisect &&
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git bisect good &&
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git branch bisect &&
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rev_hash6=$(git rev-parse --verify HEAD) &&
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test "$rev_hash6" = "$HASH6" &&
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git bisect good > my_bisect_log.txt &&
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grep "$HASH7 is first bad commit" my_bisect_log.txt &&
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git bisect reset &&
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rev_hash6=$(git rev-parse --verify bisect) &&
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test "$rev_hash6" = "$HASH6" &&
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git branch -D bisect
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'
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# This creates a "side" branch to test "siblings" cases.
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#
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# H1-H2-H3-H4-H5-H6-H7 <--other
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# \
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# S5-S6-S7 <--side
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#
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test_expect_success 'side branch creation' '
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git bisect reset &&
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git checkout -b side $HASH4 &&
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add_line_into_file "5(side): first line on a side branch" hello2 &&
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SIDE_HASH5=$(git rev-parse --verify HEAD) &&
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add_line_into_file "6(side): second line on a side branch" hello2 &&
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SIDE_HASH6=$(git rev-parse --verify HEAD) &&
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add_line_into_file "7(side): third line on a side branch" hello2 &&
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SIDE_HASH7=$(git rev-parse --verify HEAD)
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'
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test_expect_success 'good merge base when good and bad are siblings' '
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git bisect start "$HASH7" "$SIDE_HASH7" > my_bisect_log.txt &&
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grep "merge base must be tested" my_bisect_log.txt &&
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grep $HASH4 my_bisect_log.txt &&
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git bisect good > my_bisect_log.txt &&
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test_must_fail grep "merge base must be tested" my_bisect_log.txt &&
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grep $HASH6 my_bisect_log.txt &&
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git bisect reset
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'
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test_expect_success 'skipped merge base when good and bad are siblings' '
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git bisect start "$SIDE_HASH7" "$HASH7" > my_bisect_log.txt &&
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grep "merge base must be tested" my_bisect_log.txt &&
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grep $HASH4 my_bisect_log.txt &&
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git bisect skip > my_bisect_log.txt 2>&1 &&
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grep "Warning" my_bisect_log.txt &&
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grep $SIDE_HASH6 my_bisect_log.txt &&
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git bisect reset
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'
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test_expect_success 'bad merge base when good and bad are siblings' '
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git bisect start "$HASH7" HEAD > my_bisect_log.txt &&
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grep "merge base must be tested" my_bisect_log.txt &&
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grep $HASH4 my_bisect_log.txt &&
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test_must_fail git bisect bad > my_bisect_log.txt 2>&1 &&
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grep "merge base $HASH4 is bad" my_bisect_log.txt &&
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grep "fixed between $HASH4 and \[$SIDE_HASH7\]" my_bisect_log.txt &&
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git bisect reset
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'
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# This creates a few more commits (A and B) to test "siblings" cases
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# when a good and a bad rev have many merge bases.
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#
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# We should have the following:
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#
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# H1-H2-H3-H4-H5-H6-H7
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# \ \ \
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# S5-A \
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# \ \
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# S6-S7----B
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#
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# And there A and B have 2 merge bases (S5 and H5) that should be
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# reported by "git merge-base --all A B".
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#
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test_expect_success 'many merge bases creation' '
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git checkout "$SIDE_HASH5" &&
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git merge -m "merge HASH5 and SIDE_HASH5" "$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 $(wc -l < merge_bases.txt) = "2" &&
|
|
grep "$HASH5" merge_bases.txt &&
|
|
grep "$SIDE_HASH5" merge_bases.txt
|
|
'
|
|
|
|
test_expect_success 'good merge bases when good and bad are siblings' '
|
|
git bisect start "$B_HASH" "$A_HASH" > my_bisect_log.txt &&
|
|
grep "merge base must be tested" my_bisect_log.txt &&
|
|
git bisect good > my_bisect_log2.txt &&
|
|
grep "merge base must be tested" my_bisect_log2.txt &&
|
|
{
|
|
{
|
|
grep "$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
|
|
'
|
|
|
|
check_trace() {
|
|
grep "$1" "$GIT_TRACE" | grep "\^$2" | grep "$3" >/dev/null
|
|
}
|
|
|
|
test_expect_success 'optimized merge base checks' '
|
|
GIT_TRACE="$(pwd)/trace.log" &&
|
|
export GIT_TRACE &&
|
|
git bisect start "$HASH7" "$SIDE_HASH7" > my_bisect_log.txt &&
|
|
grep "merge base must be tested" my_bisect_log.txt &&
|
|
grep "$HASH4" my_bisect_log.txt &&
|
|
check_trace "rev-list" "$HASH7" "$SIDE_HASH7" &&
|
|
git bisect good > my_bisect_log2.txt &&
|
|
test -f ".git/BISECT_ANCESTORS_OK" &&
|
|
test "$HASH6" = $(git rev-parse --verify HEAD) &&
|
|
: > "$GIT_TRACE" &&
|
|
git bisect bad > my_bisect_log3.txt &&
|
|
test_must_fail check_trace "rev-list" "$HASH6" "$SIDE_HASH7" &&
|
|
git bisect good "$A_HASH" > my_bisect_log4.txt &&
|
|
grep "merge base must be tested" my_bisect_log4.txt &&
|
|
test_must_fail test -f ".git/BISECT_ANCESTORS_OK" &&
|
|
check_trace "rev-list" "$HASH6" "$A_HASH" &&
|
|
unset GIT_TRACE
|
|
'
|
|
|
|
#
|
|
#
|
|
test_done
|