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# This file isn't used as a test script directly, instead it is
# sourced from t8001-annotate.sh and t8001-blame.sh.
 
check_count () {
	head=
	case "$1" in -h) head="$2"; shift; shift ;; esac
	$PROG file $head | perl -e '
		my %expect = (@ARGV);
		my %count = ();
		while (<STDIN>) {
			if (/^[0-9a-f]+\t\(([^\t]+)\t/) {
				my $author = $1;
				for ($author) { s/^\s*//; s/\s*$//; }
				if (exists $expect{$author}) {
					$count{$author}++;
				}
			}
		}
		my $bad = 0;
		while (my ($author, $count) = each %count) {
			my $ok;
			if ($expect{$author} != $count) {
				$bad = 1;
				$ok = "bad";
			}
			else {
				$ok = "good";
			}
			print STDERR "Author $author (expected $expect{$author}, attributed $count) $ok\n";
		}
		exit($bad);
	' "$@"
}
 
test_expect_success \
    'prepare reference tree' \
    'echo "1A quick brown fox jumps over the" >file &&
     echo "lazy dog" >>file &&
     git add file
     GIT_AUTHOR_NAME="A" git commit -a -m "Initial."'
 
test_expect_success \
    'check all lines blamed on A' \
    'check_count A 2'
 
test_expect_success \
    'Setup new lines blamed on B' \
    'echo "2A quick brown fox jumps over the" >>file &&
     echo "lazy dog" >> file &&
     GIT_AUTHOR_NAME="B" git commit -a -m "Second."'
 
test_expect_success \
    'Two lines blamed on A, two on B' \
    'check_count A 2 B 2'
 
test_expect_success \
    'merge-setup part 1' \
    'git checkout -b branch1 master &&
     echo "3A slow green fox jumps into the" >> file &&
     echo "well." >> file &&
     GIT_AUTHOR_NAME="B1" git commit -a -m "Branch1-1"'
 
test_expect_success \
    'Two lines blamed on A, two on B, two on B1' \
    'check_count A 2 B 2 B1 2'
 
test_expect_success \
    'merge-setup part 2' \
    '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 commit -a -m "Branch2-1"'
 
test_expect_success \
    'Two lines blamed on A, one on B, one on B2' \
    'check_count A 2 B 1 B2 1'
 
test_expect_success \
    'merge-setup part 3' \
    'git pull . branch1'
 
test_expect_success \
    'Two lines blamed on A, one on B, two on B1, one on B2' \
    'check_count A 2 B 1 B1 2 B2 1'
 
test_expect_success \
    'Annotating an old revision works' \
    'check_count -h master A 2 B 2'
 
test_expect_success \
    'Annotating an old revision works' \
    'check_count -h master^ A 2'