mirror of
https://github.com/git/git.git
synced 2024-10-30 13:57:54 +01:00
cb2c7daf52
* cc/bisect: bisect: remove "checkout_done" variable used when checking merge bases bisect: only check merge bases when needed bisect: test merge base if good rev is not an ancestor of bad rev
469 lines
14 KiB
Bash
Executable file
469 lines
14 KiB
Bash
Executable file
#!/bin/sh
|
|
#
|
|
# Copyright (c) 2007 Christian Couder
|
|
#
|
|
test_description='Tests git bisect functionality'
|
|
|
|
exec </dev/null
|
|
|
|
. ./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 || return 1
|
|
|
|
if git bisect next
|
|
then
|
|
echo Oops, should have failed.
|
|
false
|
|
else
|
|
:
|
|
fi
|
|
'
|
|
|
|
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 reset: back in the master branch' '
|
|
git bisect reset &&
|
|
echo "* master" > 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 " master" > 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 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" if junk rev' '
|
|
git bisect start $HASH4 $HASH1 -- &&
|
|
git bisect good &&
|
|
test_must_fail git bisect start $HASH4 foo -- &&
|
|
git branch > branch.output &&
|
|
grep "* other" branch.output > /dev/null &&
|
|
test_must_fail test -e .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_must_fail test -e .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 $HASH1 -- &&
|
|
git branch &&
|
|
git branch > branch.output &&
|
|
grep "* other" branch.output > /dev/null &&
|
|
test_must_fail test -e .git/BISECT_START &&
|
|
test -z "$(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: successfull result' '
|
|
git bisect reset &&
|
|
git bisect start $HASH4 $HASH1 &&
|
|
git bisect skip &&
|
|
git bisect bad > my_bisect_log.txt &&
|
|
grep "$HASH2 is first bad commit" my_bisect_log.txt &&
|
|
git bisect reset
|
|
'
|
|
|
|
# $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' '
|
|
git bisect start $HASH4 $HASH1 &&
|
|
git bisect skip || return 1
|
|
|
|
if git bisect skip > my_bisect_log.txt
|
|
then
|
|
echo Oops, should have failed.
|
|
false
|
|
else
|
|
test $? -eq 2 &&
|
|
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 &&
|
|
git bisect reset
|
|
fi
|
|
'
|
|
|
|
# $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' '
|
|
git bisect start $HASH4 $HASH1 &&
|
|
git bisect skip || return 1
|
|
|
|
if git bisect good > my_bisect_log.txt
|
|
then
|
|
echo Oops, should have failed.
|
|
false
|
|
else
|
|
test $? -eq 2 &&
|
|
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 &&
|
|
git bisect reset
|
|
fi
|
|
'
|
|
|
|
# We want to automatically find the commit that
|
|
# introduced "Another" into hello.
|
|
test_expect_success \
|
|
'"git bisect run" simple case' \
|
|
'echo "#"\!"/bin/sh" > test_script.sh &&
|
|
echo "grep Another hello > /dev/null" >> test_script.sh &&
|
|
echo "test \$? -ne 0" >> test_script.sh &&
|
|
chmod +x test_script.sh &&
|
|
git bisect start &&
|
|
git bisect good $HASH1 &&
|
|
git bisect bad $HASH4 &&
|
|
git bisect run ./test_script.sh > my_bisect_log.txt &&
|
|
grep "$HASH3 is first bad commit" my_bisect_log.txt &&
|
|
git bisect reset'
|
|
|
|
# We want to automatically find the commit that
|
|
# introduced "Ciao" into hello.
|
|
test_expect_success \
|
|
'"git bisect run" with more complex "git bisect start"' \
|
|
'echo "#"\!"/bin/sh" > test_script.sh &&
|
|
echo "grep Ciao hello > /dev/null" >> test_script.sh &&
|
|
echo "test \$? -ne 0" >> test_script.sh &&
|
|
chmod +x test_script.sh &&
|
|
git bisect start $HASH4 $HASH1 &&
|
|
git bisect run ./test_script.sh > my_bisect_log.txt &&
|
|
grep "$HASH4 is first bad commit" my_bisect_log.txt &&
|
|
git bisect reset'
|
|
|
|
# $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 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 "$HASH5 is first bad commit" my_bisect_log.txt &&
|
|
git bisect reset
|
|
'
|
|
|
|
HASH6=
|
|
test_expect_success 'bisect run & skip: cannot tell between 2' '
|
|
add_line_into_file "6: Yet a line." hello &&
|
|
HASH6=$(git rev-parse --verify HEAD) &&
|
|
echo "#"\!"/bin/sh" > test_script.sh &&
|
|
echo "sed -ne \\\$p hello | grep Ciao > /dev/null && exit 125" >> test_script.sh &&
|
|
echo "grep line hello > /dev/null" >> test_script.sh &&
|
|
echo "test \$? -ne 0" >> test_script.sh &&
|
|
chmod +x test_script.sh &&
|
|
git bisect start $HASH6 $HASH1 &&
|
|
if git bisect run ./test_script.sh > my_bisect_log.txt
|
|
then
|
|
echo Oops, should have failed.
|
|
false
|
|
else
|
|
test $? -eq 2 &&
|
|
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 $HASH5 my_bisect_log.txt
|
|
fi
|
|
'
|
|
|
|
HASH7=
|
|
test_expect_success 'bisect run & skip: find first bad' '
|
|
git bisect reset &&
|
|
add_line_into_file "7: Should be the last line." hello &&
|
|
HASH7=$(git rev-parse --verify HEAD) &&
|
|
echo "#"\!"/bin/sh" > test_script.sh &&
|
|
echo "sed -ne \\\$p hello | grep Ciao > /dev/null && exit 125" >> test_script.sh &&
|
|
echo "sed -ne \\\$p hello | grep day > /dev/null && exit 125" >> test_script.sh &&
|
|
echo "grep Yet hello > /dev/null" >> test_script.sh &&
|
|
echo "test \$? -ne 0" >> test_script.sh &&
|
|
chmod +x test_script.sh &&
|
|
git bisect start $HASH7 $HASH1 &&
|
|
git bisect run ./test_script.sh > my_bisect_log.txt &&
|
|
grep "$HASH6 is first bad commit" my_bisect_log.txt
|
|
'
|
|
|
|
test_expect_success 'bisect starting with a detached HEAD' '
|
|
|
|
git bisect reset &&
|
|
git checkout master^ &&
|
|
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 &&
|
|
grep "mistake 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 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 &&
|
|
grep "merge base must be tested" my_bisect_log.txt &&
|
|
grep $HASH4 my_bisect_log.txt &&
|
|
git bisect good > my_bisect_log.txt &&
|
|
test_must_fail 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 &&
|
|
grep "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 &&
|
|
grep "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 &&
|
|
grep "merge base $HASH4 is bad" my_bisect_log.txt &&
|
|
grep "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 $(wc -l < merge_bases.txt) = "2" &&
|
|
grep "$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
|