interpret_branch_name(): handle auto-namelen for @{-1}

diff --git a/t/t0021-conversion.sh b/t/t0021-conversion.sh
index da1ad3e70ea140ecd5ac0741a146084ba518523f..161f5604464d2f963e60af54eedea3f91be041fa 100755 (executable)
--- a/t/t0021-conversion.sh
+++ b/t/t0021-conversion.sh
@@ -4,7 +4,7 @@ test_description='blob conversion via gitattributes'
 
 . ./test-lib.sh
 
-TEST_ROOT="$(pwd)"
+TEST_ROOT="$PWD"
 PATH=$TEST_ROOT:$PATH
 
 write_script <<\EOF "$TEST_ROOT/rot13.sh"
@@ -93,7 +93,7 @@ test_expect_success setup '
        git checkout -- test test.t test.i &&
 
        echo "content-test2" >test2.o &&
-       echo "content-test3 - filename with special characters" >"test3 '\''sq'\'',\$x.o"
+       echo "content-test3 - filename with special characters" >"test3 '\''sq'\'',\$x=.o"
 '
 
 script='s/^\$Id: \([0-9a-f]*\) \$/\1/p'
@@ -350,21 +350,20 @@ test_expect_success PERL 'required process filter should filter data' '
                cd repo &&
                git init &&
 
-               echo "git-stderr.log" >.gitignore &&
                echo "*.r filter=protocol" >.gitattributes &&
                git add . &&
-               git commit . -m "test commit 1" &&
+               git commit -m "test commit 1" &&
                git branch empty-branch &&
 
                cp "$TEST_ROOT/test.o" test.r &&
                cp "$TEST_ROOT/test2.o" test2.r &&
                mkdir testsubdir &&
-               cp "$TEST_ROOT/test3 '\''sq'\'',\$x.o" "testsubdir/test3 '\''sq'\'',\$x.r" &&
+               cp "$TEST_ROOT/test3 '\''sq'\'',\$x=.o" "testsubdir/test3 '\''sq'\'',\$x=.r" &&
                >test4-empty.r &&
 
                S=$(file_size test.r) &&
                S2=$(file_size test2.r) &&
-               S3=$(file_size "testsubdir/test3 '\''sq'\'',\$x.r") &&
+               S3=$(file_size "testsubdir/test3 '\''sq'\'',\$x=.r") &&
 
                filter_git add . &&
                cat >expected.log <<-EOF &&
@@ -373,35 +372,20 @@ test_expect_success PERL 'required process filter should filter data' '
                        IN: clean test.r $S [OK] -- OUT: $S . [OK]
                        IN: clean test2.r $S2 [OK] -- OUT: $S2 . [OK]
                        IN: clean test4-empty.r 0 [OK] -- OUT: 0  [OK]
-                       IN: clean testsubdir/test3 '\''sq'\'',\$x.r $S3 [OK] -- OUT: $S3 . [OK]
+                       IN: clean testsubdir/test3 '\''sq'\'',\$x=.r $S3 [OK] -- OUT: $S3 . [OK]
                        STOP
                EOF
                test_cmp_count expected.log rot13-filter.log &&
 
-               filter_git commit . -m "test commit 2" &&
-               cat >expected.log <<-EOF &&
-                       START
-                       init handshake complete
-                       IN: clean test.r $S [OK] -- OUT: $S . [OK]
-                       IN: clean test2.r $S2 [OK] -- OUT: $S2 . [OK]
-                       IN: clean test4-empty.r 0 [OK] -- OUT: 0  [OK]
-                       IN: clean testsubdir/test3 '\''sq'\'',\$x.r $S3 [OK] -- OUT: $S3 . [OK]
-                       IN: clean test.r $S [OK] -- OUT: $S . [OK]
-                       IN: clean test2.r $S2 [OK] -- OUT: $S2 . [OK]
-                       IN: clean test4-empty.r 0 [OK] -- OUT: 0  [OK]
-                       IN: clean testsubdir/test3 '\''sq'\'',\$x.r $S3 [OK] -- OUT: $S3 . [OK]
-                       STOP
-               EOF
-               test_cmp_count expected.log rot13-filter.log &&
-
-               rm -f test2.r "testsubdir/test3 '\''sq'\'',\$x.r" &&
+               git commit -m "test commit 2" &&
+               rm -f test2.r "testsubdir/test3 '\''sq'\'',\$x=.r" &&
 
                filter_git checkout --quiet --no-progress . &&
                cat >expected.log <<-EOF &&
                        START
                        init handshake complete
                        IN: smudge test2.r $S2 [OK] -- OUT: $S2 . [OK]
-                       IN: smudge testsubdir/test3 '\''sq'\'',\$x.r $S3 [OK] -- OUT: $S3 . [OK]
+                       IN: smudge testsubdir/test3 '\''sq'\'',\$x=.r $S3 [OK] -- OUT: $S3 . [OK]
                        STOP
                EOF
                test_cmp_exclude_clean expected.log rot13-filter.log &&
@@ -422,14 +406,14 @@ test_expect_success PERL 'required process filter should filter data' '
                        IN: smudge test.r $S [OK] -- OUT: $S . [OK]
                        IN: smudge test2.r $S2 [OK] -- OUT: $S2 . [OK]
                        IN: smudge test4-empty.r 0 [OK] -- OUT: 0  [OK]
-                       IN: smudge testsubdir/test3 '\''sq'\'',\$x.r $S3 [OK] -- OUT: $S3 . [OK]
+                       IN: smudge testsubdir/test3 '\''sq'\'',\$x=.r $S3 [OK] -- OUT: $S3 . [OK]
                        STOP
                EOF
                test_cmp_exclude_clean expected.log rot13-filter.log &&
 
                test_cmp_committed_rot13 "$TEST_ROOT/test.o" test.r &&
                test_cmp_committed_rot13 "$TEST_ROOT/test2.o" test2.r &&
-               test_cmp_committed_rot13 "$TEST_ROOT/test3 '\''sq'\'',\$x.o" "testsubdir/test3 '\''sq'\'',\$x.r"
+               test_cmp_committed_rot13 "$TEST_ROOT/test3 '\''sq'\'',\$x=.o" "testsubdir/test3 '\''sq'\'',\$x=.r"
        )
 '