mirror of
https://github.com/git/git.git
synced 2024-11-16 06:03:44 +01:00
e228c1736f
Support for grafts predates Git's strbuf, and hence it is understandable that there was a hard-coded line length limit of 1023 characters (which was chosen a bit awkwardly, given that it is *exactly* one byte short of aligning with the 41 bytes occupied by a commit name and the following space or new-line character). While regular commit histories hardly win comprehensibility in general if they merge more than twenty-two branches in one go, it is not Git's business to limit grafts in such a way. In this particular developer's case, the use case that requires substantially longer graft lines to be supported is the visualization of the commits' order implied by their changes: commits are considered to have an implicit relationship iff exchanging them in an interactive rebase would result in merge conflicts. Thusly implied branches tend to be very shallow in general, and the resulting thicket of implied branches is usually very wide; It is actually quite common that *most* of the commits in a topic branch have not even one implied parent, so that a final merge commit has about as many implied parents as there are commits in said branch. [jc: squashed in tests by Jonathan] Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Reviewed-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
553 lines
13 KiB
Bash
553 lines
13 KiB
Bash
# This file isn't used as a test script directly, instead it is
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# sourced from t8001-annotate.sh and t8002-blame.sh.
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check_count () {
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head= &&
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file='file' &&
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options= &&
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while :
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do
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case "$1" in
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-h) head="$2"; shift; shift ;;
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-f) file="$2"; shift; shift ;;
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-*) options="$options $1"; shift ;;
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*) break ;;
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esac
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done &&
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echo "$PROG $options $file $head" >&4 &&
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$PROG $options $file $head >actual &&
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perl -e '
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my %expect = (@ARGV);
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my %count = map { $_ => 0 } keys %expect;
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while (<STDIN>) {
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if (/^[0-9a-f]+\t\(([^\t]+)\t/) {
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my $author = $1;
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for ($author) { s/^\s*//; s/\s*$//; }
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$count{$author}++;
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}
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}
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my $bad = 0;
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while (my ($author, $count) = each %count) {
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my $ok;
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my $value = 0;
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$value = $expect{$author} if defined $expect{$author};
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if ($value != $count) {
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$bad = 1;
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$ok = "bad";
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}
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else {
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$ok = "good";
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}
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print STDERR "Author $author (expected $value, attributed $count) $ok\n";
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}
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exit($bad);
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' "$@" <actual
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}
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test_expect_success 'setup A lines' '
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echo "1A quick brown fox jumps over the" >file &&
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echo "lazy dog" >>file &&
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git add file &&
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GIT_AUTHOR_NAME="A" GIT_AUTHOR_EMAIL="A@test.git" \
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git commit -a -m "Initial."
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'
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test_expect_success 'blame 1 author' '
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check_count A 2
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'
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test_expect_success 'setup B lines' '
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echo "2A quick brown fox jumps over the" >>file &&
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echo "lazy dog" >>file &&
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GIT_AUTHOR_NAME="B" GIT_AUTHOR_EMAIL="B@test.git" \
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git commit -a -m "Second."
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'
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test_expect_success 'blame 2 authors' '
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check_count A 2 B 2
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'
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test_expect_success 'setup B1 lines (branch1)' '
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git checkout -b branch1 master &&
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echo "3A slow green fox jumps into the" >>file &&
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echo "well." >>file &&
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GIT_AUTHOR_NAME="B1" GIT_AUTHOR_EMAIL="B1@test.git" \
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git commit -a -m "Branch1-1"
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'
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test_expect_success 'blame 2 authors + 1 branch1 author' '
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check_count A 2 B 2 B1 2
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'
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test_expect_success 'setup B2 lines (branch2)' '
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git checkout -b branch2 master &&
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sed -e "s/2A quick brown/4A quick brown lazy dog/" <file >file.new &&
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mv file.new file &&
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GIT_AUTHOR_NAME="B2" GIT_AUTHOR_EMAIL="B2@test.git" \
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git commit -a -m "Branch2-1"
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'
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test_expect_success 'blame 2 authors + 1 branch2 author' '
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check_count A 2 B 1 B2 1
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'
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test_expect_success 'merge branch1 & branch2' '
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git merge branch1
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'
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test_expect_success 'blame 2 authors + 2 merged-in authors' '
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check_count A 2 B 1 B1 2 B2 1
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'
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test_expect_success 'blame ancestor' '
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check_count -h master A 2 B 2
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'
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test_expect_success 'blame great-ancestor' '
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check_count -h master^ A 2
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'
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test_expect_success 'setup evil merge' '
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echo "evil merge." >>file &&
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git commit -a --amend
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'
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test_expect_success 'blame evil merge' '
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check_count A 2 B 1 B1 2 B2 1 "A U Thor" 1
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'
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test_expect_success 'blame huge graft' '
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test_when_finished "git checkout branch2" &&
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test_when_finished "rm -f .git/info/grafts" &&
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graft= &&
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for i in 0 1 2
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do
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for j in 0 1 2 3 4 5 6 7 8 9
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do
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git checkout --orphan "$i$j" &&
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printf "%s\n" "$i" "$j" >file &&
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test_tick &&
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GIT_AUTHOR_NAME=$i$j GIT_AUTHOR_EMAIL=$i$j@test.git \
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git commit -a -m "$i$j" &&
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commit=$(git rev-parse --verify HEAD) &&
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graft="$graft$commit "
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done
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done &&
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printf "%s " $graft >.git/info/grafts &&
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check_count -h 00 01 1 10 1
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'
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test_expect_success 'setup incomplete line' '
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echo "incomplete" | tr -d "\\012" >>file &&
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GIT_AUTHOR_NAME="C" GIT_AUTHOR_EMAIL="C@test.git" \
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git commit -a -m "Incomplete"
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'
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test_expect_success 'blame incomplete line' '
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check_count A 2 B 1 B1 2 B2 1 "A U Thor" 1 C 1
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'
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test_expect_success 'setup edits' '
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mv file file.orig &&
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{
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cat file.orig &&
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echo
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} | sed -e "s/^3A/99/" -e "/^1A/d" -e "/^incomplete/d" >file &&
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echo "incomplete" | tr -d "\\012" >>file &&
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GIT_AUTHOR_NAME="D" GIT_AUTHOR_EMAIL="D@test.git" \
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git commit -a -m "edit"
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'
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test_expect_success 'blame edits' '
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check_count A 1 B 1 B1 1 B2 1 "A U Thor" 1 C 1 D 1
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'
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test_expect_success 'setup obfuscated email' '
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echo "No robots allowed" >file.new &&
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cat file >>file.new &&
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mv file.new file &&
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GIT_AUTHOR_NAME="E" GIT_AUTHOR_EMAIL="E at test dot git" \
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git commit -a -m "norobots"
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'
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test_expect_success 'blame obfuscated email' '
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check_count A 1 B 1 B1 1 B2 1 "A U Thor" 1 C 1 D 1 E 1
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'
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test_expect_success 'blame -L 1 (all)' '
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check_count -L1 A 1 B 1 B1 1 B2 1 "A U Thor" 1 C 1 D 1 E 1
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'
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test_expect_success 'blame -L , (all)' '
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check_count -L, A 1 B 1 B1 1 B2 1 "A U Thor" 1 C 1 D 1 E 1
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'
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test_expect_success 'blame -L X (X to end)' '
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check_count -L5 B1 1 C 1 D 1 "A U Thor" 1
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'
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test_expect_success 'blame -L X, (X to end)' '
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check_count -L5, B1 1 C 1 D 1 "A U Thor" 1
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'
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test_expect_success 'blame -L ,Y (up to Y)' '
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check_count -L,3 A 1 B2 1 E 1
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'
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test_expect_success 'blame -L X,X' '
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check_count -L3,3 B2 1
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'
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test_expect_success 'blame -L X,Y' '
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check_count -L3,6 B 1 B1 1 B2 1 D 1
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'
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test_expect_success 'blame -L Y,X (undocumented)' '
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check_count -L6,3 B 1 B1 1 B2 1 D 1
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'
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test_expect_success 'blame -L -X' '
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test_must_fail $PROG -L-1 file
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'
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test_expect_success 'blame -L 0' '
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test_must_fail $PROG -L0 file
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'
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test_expect_success 'blame -L ,0' '
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test_must_fail $PROG -L,0 file
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'
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test_expect_success 'blame -L ,+0' '
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test_must_fail $PROG -L,+0 file
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'
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test_expect_success 'blame -L X,+0' '
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test_must_fail $PROG -L1,+0 file
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'
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test_expect_success 'blame -L X,+1' '
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check_count -L3,+1 B2 1
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'
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test_expect_success 'blame -L X,+N' '
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check_count -L3,+4 B 1 B1 1 B2 1 D 1
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'
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test_expect_success 'blame -L ,-0' '
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test_must_fail $PROG -L,-0 file
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'
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test_expect_success 'blame -L X,-0' '
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test_must_fail $PROG -L1,-0 file
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'
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test_expect_success 'blame -L X,-1' '
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check_count -L3,-1 B2 1
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'
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test_expect_success 'blame -L X,-N' '
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check_count -L6,-4 B 1 B1 1 B2 1 D 1
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'
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test_expect_success 'blame -L /RE/ (RE to end)' '
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check_count -L/evil/ C 1 "A U Thor" 1
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'
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test_expect_success 'blame -L /RE/,/RE2/' '
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check_count -L/robot/,/green/ A 1 B 1 B2 1 D 1 E 1
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'
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test_expect_success 'blame -L X,/RE/' '
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check_count -L5,/evil/ B1 1 D 1 "A U Thor" 1
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'
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test_expect_success 'blame -L /RE/,Y' '
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check_count -L/99/,7 B1 1 D 1 "A U Thor" 1
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'
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test_expect_success 'blame -L /RE/,+N' '
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check_count -L/99/,+3 B1 1 D 1 "A U Thor" 1
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'
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test_expect_success 'blame -L /RE/,-N' '
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check_count -L/99/,-3 B 1 B2 1 D 1
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'
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# 'file' ends with an incomplete line, so 'wc' reports one fewer lines than
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# git-blame sees, hence the last line is actually $(wc...)+1.
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test_expect_success 'blame -L X (X == nlines)' '
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n=$(expr $(wc -l <file) + 1) &&
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check_count -L$n C 1
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'
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test_expect_success 'blame -L X (X == nlines + 1)' '
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n=$(expr $(wc -l <file) + 2) &&
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test_must_fail $PROG -L$n file
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'
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test_expect_success 'blame -L X (X > nlines)' '
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test_must_fail $PROG -L12345 file
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'
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test_expect_success 'blame -L ,Y (Y == nlines)' '
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n=$(expr $(wc -l <file) + 1) &&
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check_count -L,$n A 1 B 1 B1 1 B2 1 "A U Thor" 1 C 1 D 1 E 1
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'
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test_expect_success 'blame -L ,Y (Y == nlines + 1)' '
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n=$(expr $(wc -l <file) + 2) &&
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test_must_fail $PROG -L,$n file
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'
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test_expect_success 'blame -L ,Y (Y > nlines)' '
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test_must_fail $PROG -L,12345 file
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'
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test_expect_success 'blame -L multiple (disjoint)' '
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check_count -L2,3 -L6,7 A 1 B1 1 B2 1 "A U Thor" 1
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'
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test_expect_success 'blame -L multiple (disjoint: unordered)' '
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check_count -L6,7 -L2,3 A 1 B1 1 B2 1 "A U Thor" 1
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'
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test_expect_success 'blame -L multiple (adjacent)' '
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check_count -L2,3 -L4,5 A 1 B 1 B2 1 D 1
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'
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test_expect_success 'blame -L multiple (adjacent: unordered)' '
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check_count -L4,5 -L2,3 A 1 B 1 B2 1 D 1
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'
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test_expect_success 'blame -L multiple (overlapping)' '
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check_count -L2,4 -L3,5 A 1 B 1 B2 1 D 1
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'
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test_expect_success 'blame -L multiple (overlapping: unordered)' '
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check_count -L3,5 -L2,4 A 1 B 1 B2 1 D 1
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'
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test_expect_success 'blame -L multiple (superset/subset)' '
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check_count -L2,8 -L3,5 A 1 B 1 B1 1 B2 1 C 1 D 1 "A U Thor" 1
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'
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test_expect_success 'blame -L multiple (superset/subset: unordered)' '
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check_count -L3,5 -L2,8 A 1 B 1 B1 1 B2 1 C 1 D 1 "A U Thor" 1
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'
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test_expect_success 'blame -L /RE/ (relative)' '
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check_count -L3,3 -L/fox/ B1 1 B2 1 C 1 D 1 "A U Thor" 1
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'
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test_expect_success 'blame -L /RE/ (relative: no preceding range)' '
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check_count -L/dog/ A 1 B 1 B1 1 B2 1 C 1 D 1 "A U Thor" 1
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'
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test_expect_success 'blame -L /RE/ (relative: adjacent)' '
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check_count -L1,1 -L/dog/,+1 A 1 E 1
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'
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test_expect_success 'blame -L /RE/ (relative: not found)' '
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test_must_fail $PROG -L4,4 -L/dog/ file
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'
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test_expect_success 'blame -L /RE/ (relative: end-of-file)' '
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test_must_fail $PROG -L, -L/$/ file
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'
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test_expect_success 'blame -L ^/RE/ (absolute)' '
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check_count -L3,3 -L^/dog/,+2 A 1 B2 1
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'
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test_expect_success 'blame -L ^/RE/ (absolute: no preceding range)' '
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check_count -L^/dog/,+2 A 1 B2 1
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'
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test_expect_success 'blame -L ^/RE/ (absolute: not found)' '
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test_must_fail $PROG -L4,4 -L^/tambourine/ file
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'
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test_expect_success 'blame -L ^/RE/ (absolute: end-of-file)' '
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n=$(expr $(wc -l <file) + 1) &&
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check_count -L$n -L^/$/,+2 A 1 C 1 E 1
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'
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test_expect_success 'setup -L :regex' '
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tr Q "\\t" >hello.c <<-\EOF &&
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int main(int argc, const char *argv[])
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{
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Qputs("hello");
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}
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EOF
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git add hello.c &&
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GIT_AUTHOR_NAME="F" GIT_AUTHOR_EMAIL="F@test.git" \
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git commit -m "hello" &&
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mv hello.c hello.orig &&
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sed -e "/}/ {x; s/$/Qputs(\"goodbye\");/; G;}" <hello.orig |
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tr Q "\\t" >hello.c &&
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GIT_AUTHOR_NAME="G" GIT_AUTHOR_EMAIL="G@test.git" \
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git commit -a -m "goodbye" &&
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mv hello.c hello.orig &&
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echo "#include <stdio.h>" >hello.c &&
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cat hello.orig >>hello.c &&
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tr Q "\\t" >>hello.c <<-\EOF
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void mail()
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{
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Qputs("mail");
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}
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EOF
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GIT_AUTHOR_NAME="H" GIT_AUTHOR_EMAIL="H@test.git" \
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git commit -a -m "mail"
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'
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test_expect_success 'blame -L :literal' '
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check_count -f hello.c -L:main F 4 G 1
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'
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test_expect_success 'blame -L :regex' '
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check_count -f hello.c "-L:m[a-z][a-z]l" H 4
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'
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test_expect_success 'blame -L :nomatch' '
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test_must_fail $PROG -L:nomatch hello.c
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'
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test_expect_success 'blame -L :RE (relative)' '
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check_count -f hello.c -L3,3 -L:ma.. F 1 H 4
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'
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test_expect_success 'blame -L :RE (relative: no preceding range)' '
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check_count -f hello.c -L:ma.. F 4 G 1
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'
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test_expect_success 'blame -L :RE (relative: not found)' '
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test_must_fail $PROG -L3,3 -L:tambourine hello.c
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'
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test_expect_success 'blame -L :RE (relative: end-of-file)' '
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test_must_fail $PROG -L, -L:main hello.c
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'
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test_expect_success 'blame -L ^:RE (absolute)' '
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check_count -f hello.c -L3,3 -L^:ma.. F 4 G 1
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'
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test_expect_success 'blame -L ^:RE (absolute: no preceding range)' '
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check_count -f hello.c -L^:ma.. F 4 G 1
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'
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test_expect_success 'blame -L ^:RE (absolute: not found)' '
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test_must_fail $PROG -L4,4 -L^:tambourine hello.c
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'
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test_expect_success 'blame -L ^:RE (absolute: end-of-file)' '
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n=$(printf "%d" $(wc -l <hello.c)) &&
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check_count -f hello.c -L$n -L^:ma.. F 4 G 1 H 1
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'
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test_expect_success 'setup incremental' '
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(
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GIT_AUTHOR_NAME=I &&
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export GIT_AUTHOR_NAME &&
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GIT_AUTHOR_EMAIL=I@test.git &&
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export GIT_AUTHOR_EMAIL &&
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>incremental &&
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git add incremental &&
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git commit -m "step 0" &&
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printf "partial" >>incremental &&
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git commit -a -m "step 0.5" &&
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echo >>incremental &&
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git commit -a -m "step 1"
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)
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'
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test_expect_success 'blame empty' '
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check_count -h HEAD^^ -f incremental
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'
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test_expect_success 'blame -L 0 empty' '
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test_must_fail $PROG -L0 incremental HEAD^^
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'
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|
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test_expect_success 'blame -L 1 empty' '
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test_must_fail $PROG -L1 incremental HEAD^^
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|
'
|
|
|
|
test_expect_success 'blame -L 2 empty' '
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test_must_fail $PROG -L2 incremental HEAD^^
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'
|
|
|
|
test_expect_success 'blame half' '
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check_count -h HEAD^ -f incremental I 1
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|
'
|
|
|
|
test_expect_success 'blame -L 0 half' '
|
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test_must_fail $PROG -L0 incremental HEAD^
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|
'
|
|
|
|
test_expect_success 'blame -L 1 half' '
|
|
check_count -h HEAD^ -f incremental -L1 I 1
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|
'
|
|
|
|
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
|
|
'
|