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71b0251cdd
This is incompatible with previous versions because an exit code of 125 used to mark current commit as "bad". But hopefully this exit code is not much used by test scripts or other programs. (126 and 127 are used by POSIX compliant shells to mean "found but not executable" and "command not found", respectively.) Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
222 lines
6.3 KiB
Bash
Executable file
222 lines
6.3 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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# $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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# 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 "tail -1 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 "tail -1 hello | grep Ciao > /dev/null && exit 125" >> test_script.sh &&
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echo "tail -1 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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#
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#
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test_done
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