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git/t/annotate-tests.sh
Jeff King 95a4fb0eac blame: handle --first-parent 
The revision.c options-parser will parse "--first-parent"
for us, but the blame code does not actually respect it, as
we simply iterate over the whole list returned by
first_scapegoat(). We can fix this by returning a
truncated parent list.

Note that we could technically also do so by limiting the
return value of num_scapegoats(), but that is less robust.
We would rely on nobody ever looking at the "next" pointer
from the returned list.

Combining "--reverse" with "--first-parent" is more
complicated, and will probably involve cooperation from
revision.c. Since the desired semantics are not even clear,
let's punt on this for now, but explicitly disallow it to
avoid confusing users (this is not really a regression,
since it did something nonsensical before).

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-09-16 09:59:05 -07:00

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# This file isn't used as a test script directly, instead it is
# sourced from t8001-annotate.sh and t8002-blame.sh.
if test_have_prereq MINGW
then
sanitize_L () {
echo "$1" | sed 'sX\(^-L\|,\)\^\?/X&\\;*Xg'
}
else
sanitize_L () {
echo "$1"
}
fi
check_count () {
head= &&
file='file' &&
options= &&
while :
do
case "$1" in
-h) head="$2"; shift; shift ;;
-f) file="$2"; shift; shift ;;
-L*) options="$options $(sanitize_L "$1")"; shift ;;
-*) options="$options $1"; shift ;;
*) break ;;
esac
done &&
echo "$PROG $options $file $head" >&4 &&
$PROG $options $file $head >actual &&
perl -e '
my %expect = (@ARGV);
my %count = map { $_ => 0 } keys %expect;
while (<STDIN>) {
if (/^[0-9a-f]+\t\(([^\t]+)\t/) {
my $author = $1;
for ($author) { s/^\s*//; s/\s*$//; }
$count{$author}++;
}
}
my $bad = 0;
while (my ($author, $count) = each %count) {
my $ok;
my $value = 0;
$value = $expect{$author} if defined $expect{$author};
if ($value != $count) {
$bad = 1;
$ok = "bad";
}
else {
$ok = "good";
}
print STDERR "Author $author (expected $value, attributed $count) $ok\n";
}
exit($bad);
' "$@" <actual
}
test_expect_success 'setup A lines' '
echo "1A quick brown fox jumps over the" >file &&
echo "lazy dog" >>file &&
git add file &&
GIT_AUTHOR_NAME="A" GIT_AUTHOR_EMAIL="A@test.git" \
git commit -a -m "Initial."
'
test_expect_success 'blame 1 author' '
check_count A 2
'
test_expect_success 'setup B lines' '
echo "2A quick brown fox jumps over the" >>file &&
echo "lazy dog" >>file &&
GIT_AUTHOR_NAME="B" GIT_AUTHOR_EMAIL="B@test.git" \
git commit -a -m "Second."
'
test_expect_success 'blame 2 authors' '
check_count A 2 B 2
'
test_expect_success 'setup B1 lines (branch1)' '
git checkout -b branch1 master &&
echo "3A slow green fox jumps into the" >>file &&
echo "well." >>file &&
GIT_AUTHOR_NAME="B1" GIT_AUTHOR_EMAIL="B1@test.git" \
git commit -a -m "Branch1-1"
'
test_expect_success 'blame 2 authors + 1 branch1 author' '
check_count A 2 B 2 B1 2
'
test_expect_success 'setup B2 lines (branch2)' '
git checkout -b branch2 master &&
sed -e "s/2A quick brown/4A quick brown lazy dog/" <file >file.new &&
mv file.new file &&
GIT_AUTHOR_NAME="B2" GIT_AUTHOR_EMAIL="B2@test.git" \
git commit -a -m "Branch2-1"
'
test_expect_success 'blame 2 authors + 1 branch2 author' '
check_count A 2 B 1 B2 1
'
test_expect_success 'merge branch1 & branch2' '
git merge branch1
'
test_expect_success 'blame 2 authors + 2 merged-in authors' '
check_count A 2 B 1 B1 2 B2 1
'
test_expect_success 'blame --first-parent blames merge for branch1' '
check_count --first-parent A 2 B 1 "A U Thor" 2 B2 1
'
test_expect_success 'blame ancestor' '
check_count -h master A 2 B 2
'
test_expect_success 'blame great-ancestor' '
check_count -h master^ A 2
'
test_expect_success 'setup evil merge' '
echo "evil merge." >>file &&
git commit -a --amend
'
test_expect_success 'blame evil merge' '
check_count A 2 B 1 B1 2 B2 1 "A U Thor" 1
'
test_expect_success 'blame huge graft' '
test_when_finished "git checkout branch2" &&
test_when_finished "rm -f .git/info/grafts" &&
graft= &&
for i in 0 1 2
do
for j in 0 1 2 3 4 5 6 7 8 9
do
git checkout --orphan "$i$j" &&
printf "%s\n" "$i" "$j" >file &&
test_tick &&
GIT_AUTHOR_NAME=$i$j GIT_AUTHOR_EMAIL=$i$j@test.git \
git commit -a -m "$i$j" &&
commit=$(git rev-parse --verify HEAD) &&
graft="$graft$commit "
done
done &&
printf "%s " $graft >.git/info/grafts &&
check_count -h 00 01 1 10 1
'
test_expect_success 'setup incomplete line' '
echo "incomplete" | tr -d "\\012" >>file &&
GIT_AUTHOR_NAME="C" GIT_AUTHOR_EMAIL="C@test.git" \
git commit -a -m "Incomplete"
'
test_expect_success 'blame incomplete line' '
check_count A 2 B 1 B1 2 B2 1 "A U Thor" 1 C 1
'
test_expect_success 'setup edits' '
mv file file.orig &&
{
cat file.orig &&
echo
} | sed -e "s/^3A/99/" -e "/^1A/d" -e "/^incomplete/d" >file &&
echo "incomplete" | tr -d "\\012" >>file &&
GIT_AUTHOR_NAME="D" GIT_AUTHOR_EMAIL="D@test.git" \
git commit -a -m "edit"
'
test_expect_success 'blame edits' '
check_count A 1 B 1 B1 1 B2 1 "A U Thor" 1 C 1 D 1
'
test_expect_success 'setup obfuscated email' '
echo "No robots allowed" >file.new &&
cat file >>file.new &&
mv file.new file &&
GIT_AUTHOR_NAME="E" GIT_AUTHOR_EMAIL="E at test dot git" \
git commit -a -m "norobots"
'
test_expect_success 'blame obfuscated email' '
check_count A 1 B 1 B1 1 B2 1 "A U Thor" 1 C 1 D 1 E 1
'
test_expect_success 'blame -L 1 (all)' '
check_count -L1 A 1 B 1 B1 1 B2 1 "A U Thor" 1 C 1 D 1 E 1
'
test_expect_success 'blame -L , (all)' '
check_count -L, A 1 B 1 B1 1 B2 1 "A U Thor" 1 C 1 D 1 E 1
'
test_expect_success 'blame -L X (X to end)' '
check_count -L5 B1 1 C 1 D 1 "A U Thor" 1
'
test_expect_success 'blame -L X, (X to end)' '
check_count -L5, B1 1 C 1 D 1 "A U Thor" 1
'
test_expect_success 'blame -L ,Y (up to Y)' '
check_count -L,3 A 1 B2 1 E 1
'
test_expect_success 'blame -L X,X' '
check_count -L3,3 B2 1
'
test_expect_success 'blame -L X,Y' '
check_count -L3,6 B 1 B1 1 B2 1 D 1
'
test_expect_success 'blame -L Y,X (undocumented)' '
check_count -L6,3 B 1 B1 1 B2 1 D 1
'
test_expect_success 'blame -L -X' '
test_must_fail $PROG -L-1 file
'
test_expect_success 'blame -L 0' '
test_must_fail $PROG -L0 file
'
test_expect_success 'blame -L ,0' '
test_must_fail $PROG -L,0 file
'
test_expect_success 'blame -L ,+0' '
test_must_fail $PROG -L,+0 file
'
test_expect_success 'blame -L X,+0' '
test_must_fail $PROG -L1,+0 file
'
test_expect_success 'blame -L X,+1' '
check_count -L3,+1 B2 1
'
test_expect_success 'blame -L X,+N' '
check_count -L3,+4 B 1 B1 1 B2 1 D 1
'
test_expect_success 'blame -L ,-0' '
test_must_fail $PROG -L,-0 file
'
test_expect_success 'blame -L X,-0' '
test_must_fail $PROG -L1,-0 file
'
test_expect_success 'blame -L X,-1' '
check_count -L3,-1 B2 1
'
test_expect_success 'blame -L X,-N' '
check_count -L6,-4 B 1 B1 1 B2 1 D 1
'
test_expect_success 'blame -L /RE/ (RE to end)' '
check_count -L/evil/ C 1 "A U Thor" 1
'
test_expect_success 'blame -L /RE/,/RE2/' '
check_count -L/robot/,/green/ A 1 B 1 B2 1 D 1 E 1
'
test_expect_success 'blame -L X,/RE/' '
check_count -L5,/evil/ B1 1 D 1 "A U Thor" 1
'
test_expect_success 'blame -L /RE/,Y' '
check_count -L/99/,7 B1 1 D 1 "A U Thor" 1
'
test_expect_success 'blame -L /RE/,+N' '
check_count -L/99/,+3 B1 1 D 1 "A U Thor" 1
'
test_expect_success 'blame -L /RE/,-N' '
check_count -L/99/,-3 B 1 B2 1 D 1
'
# 'file' ends with an incomplete line, so 'wc' reports one fewer lines than
# git-blame sees, hence the last line is actually $(wc...)+1.
test_expect_success 'blame -L X (X == nlines)' '
n=$(expr $(wc -l <file) + 1) &&
check_count -L$n C 1
'
test_expect_success 'blame -L X (X == nlines + 1)' '
n=$(expr $(wc -l <file) + 2) &&
test_must_fail $PROG -L$n file
'
test_expect_success 'blame -L X (X > nlines)' '
test_must_fail $PROG -L12345 file
'
test_expect_success 'blame -L ,Y (Y == nlines)' '
n=$(expr $(wc -l <file) + 1) &&
check_count -L,$n A 1 B 1 B1 1 B2 1 "A U Thor" 1 C 1 D 1 E 1
'
test_expect_success 'blame -L ,Y (Y == nlines + 1)' '
n=$(expr $(wc -l <file) + 2) &&
test_must_fail $PROG -L,$n file
'
test_expect_success 'blame -L ,Y (Y > nlines)' '
test_must_fail $PROG -L,12345 file
'
test_expect_success 'blame -L multiple (disjoint)' '
check_count -L2,3 -L6,7 A 1 B1 1 B2 1 "A U Thor" 1
'
test_expect_success 'blame -L multiple (disjoint: unordered)' '
check_count -L6,7 -L2,3 A 1 B1 1 B2 1 "A U Thor" 1
'
test_expect_success 'blame -L multiple (adjacent)' '
check_count -L2,3 -L4,5 A 1 B 1 B2 1 D 1
'
test_expect_success 'blame -L multiple (adjacent: unordered)' '
check_count -L4,5 -L2,3 A 1 B 1 B2 1 D 1
'
test_expect_success 'blame -L multiple (overlapping)' '
check_count -L2,4 -L3,5 A 1 B 1 B2 1 D 1
'
test_expect_success 'blame -L multiple (overlapping: unordered)' '
check_count -L3,5 -L2,4 A 1 B 1 B2 1 D 1
'
test_expect_success 'blame -L multiple (superset/subset)' '
check_count -L2,8 -L3,5 A 1 B 1 B1 1 B2 1 C 1 D 1 "A U Thor" 1
'
test_expect_success 'blame -L multiple (superset/subset: unordered)' '
check_count -L3,5 -L2,8 A 1 B 1 B1 1 B2 1 C 1 D 1 "A U Thor" 1
'
test_expect_success 'blame -L /RE/ (relative)' '
check_count -L3,3 -L/fox/ B1 1 B2 1 C 1 D 1 "A U Thor" 1
'
test_expect_success 'blame -L /RE/ (relative: no preceding range)' '
check_count -L/dog/ A 1 B 1 B1 1 B2 1 C 1 D 1 "A U Thor" 1
'
test_expect_success 'blame -L /RE/ (relative: adjacent)' '
check_count -L1,1 -L/dog/,+1 A 1 E 1
'
test_expect_success 'blame -L /RE/ (relative: not found)' '
test_must_fail $PROG -L4,4 -L/dog/ file
'
test_expect_success 'blame -L /RE/ (relative: end-of-file)' '
test_must_fail $PROG -L, -L/$/ file
'
test_expect_success 'blame -L ^/RE/ (absolute)' '
check_count -L3,3 -L^/dog/,+2 A 1 B2 1
'
test_expect_success 'blame -L ^/RE/ (absolute: no preceding range)' '
check_count -L^/dog/,+2 A 1 B2 1
'
test_expect_success 'blame -L ^/RE/ (absolute: not found)' '
test_must_fail $PROG -L4,4 -L^/tambourine/ file
'
test_expect_success 'blame -L ^/RE/ (absolute: end-of-file)' '
n=$(expr $(wc -l <file) + 1) &&
check_count -L$n -L^/$/,+2 A 1 C 1 E 1
'
test_expect_success 'setup -L :regex' '
tr Q "\\t" >hello.c <<-\EOF &&
int main(int argc, const char *argv[])
{
Qputs("hello");
}
EOF
git add hello.c &&
GIT_AUTHOR_NAME="F" GIT_AUTHOR_EMAIL="F@test.git" \
git commit -m "hello" &&
mv hello.c hello.orig &&
sed -e "/}/ {x; s/$/Qputs(\"goodbye\");/; G;}" <hello.orig |
tr Q "\\t" >hello.c &&
GIT_AUTHOR_NAME="G" GIT_AUTHOR_EMAIL="G@test.git" \
git commit -a -m "goodbye" &&
mv hello.c hello.orig &&
echo "#include <stdio.h>" >hello.c &&
cat hello.orig >>hello.c &&
tr Q "\\t" >>hello.c <<-\EOF &&
void mail()
{
Qputs("mail");
}
EOF
GIT_AUTHOR_NAME="H" GIT_AUTHOR_EMAIL="H@test.git" \
git commit -a -m "mail"
'
test_expect_success 'blame -L :literal' '
check_count -f hello.c -L:main F 4 G 1
'
test_expect_success 'blame -L :regex' '
check_count -f hello.c "-L:m[a-z][a-z]l" H 4
'
test_expect_success 'blame -L :nomatch' '
test_must_fail $PROG -L:nomatch hello.c
'
test_expect_success 'blame -L :RE (relative)' '
check_count -f hello.c -L3,3 -L:ma.. F 1 H 4
'
test_expect_success 'blame -L :RE (relative: no preceding range)' '
check_count -f hello.c -L:ma.. F 4 G 1
'
test_expect_success 'blame -L :RE (relative: not found)' '
test_must_fail $PROG -L3,3 -L:tambourine hello.c
'
test_expect_success 'blame -L :RE (relative: end-of-file)' '
test_must_fail $PROG -L, -L:main hello.c
'
test_expect_success 'blame -L ^:RE (absolute)' '
check_count -f hello.c -L3,3 -L^:ma.. F 4 G 1
'
test_expect_success 'blame -L ^:RE (absolute: no preceding range)' '
check_count -f hello.c -L^:ma.. F 4 G 1
'
test_expect_success 'blame -L ^:RE (absolute: not found)' '
test_must_fail $PROG -L4,4 -L^:tambourine hello.c
'
test_expect_success 'blame -L ^:RE (absolute: end-of-file)' '
n=$(printf "%d" $(wc -l <hello.c)) &&
check_count -f hello.c -L$n -L^:ma.. F 4 G 1 H 1
'
test_expect_success 'setup incremental' '
(
GIT_AUTHOR_NAME=I &&
export GIT_AUTHOR_NAME &&
GIT_AUTHOR_EMAIL=I@test.git &&
export GIT_AUTHOR_EMAIL &&
>incremental &&
git add incremental &&
git commit -m "step 0" &&
printf "partial" >>incremental &&
git commit -a -m "step 0.5" &&
echo >>incremental &&
git commit -a -m "step 1"
)
'
test_expect_success 'blame empty' '
check_count -h HEAD^^ -f incremental
'
test_expect_success 'blame -L 0 empty' '
test_must_fail $PROG -L0 incremental HEAD^^
'
test_expect_success 'blame -L 1 empty' '
test_must_fail $PROG -L1 incremental HEAD^^
'
test_expect_success 'blame -L 2 empty' '
test_must_fail $PROG -L2 incremental HEAD^^
'
test_expect_success 'blame half' '
check_count -h HEAD^ -f incremental I 1
'
test_expect_success 'blame -L 0 half' '
test_must_fail $PROG -L0 incremental HEAD^
'
test_expect_success 'blame -L 1 half' '
check_count -h HEAD^ -f incremental -L1 I 1
'
test_expect_success 'blame -L 2 half' '
test_must_fail $PROG -L2 incremental HEAD^
'
test_expect_success 'blame -L 3 half' '
test_must_fail $PROG -L3 incremental HEAD^
'
test_expect_success 'blame full' '
check_count -f incremental I 1
'
test_expect_success 'blame -L 0 full' '
test_must_fail $PROG -L0 incremental
'
test_expect_success 'blame -L 1 full' '
check_count -f incremental -L1 I 1
'
test_expect_success 'blame -L 2 full' '
test_must_fail $PROG -L2 incremental
'
test_expect_success 'blame -L 3 full' '
test_must_fail $PROG -L3 incremental
'
test_expect_success 'blame -L' '
test_must_fail $PROG -L file
'
test_expect_success 'blame -L X,+' '
test_must_fail $PROG -L1,+ file
'
test_expect_success 'blame -L X,-' '
test_must_fail $PROG -L1,- file
'
test_expect_success 'blame -L X (non-numeric X)' '
test_must_fail $PROG -LX file
'
test_expect_success 'blame -L X,Y (non-numeric Y)' '
test_must_fail $PROG -L1,Y file
'
test_expect_success 'blame -L X,+N (non-numeric N)' '
test_must_fail $PROG -L1,+N file
'
test_expect_success 'blame -L X,-N (non-numeric N)' '
test_must_fail $PROG -L1,-N file
'
test_expect_success 'blame -L ,^/RE/' '
test_must_fail $PROG -L1,^/99/ file
'
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