xdl_merge(): introduce XDL_MERGE_ZEALOUS_ALNUM

diff --git a/t/t0000-basic.sh b/t/t0000-basic.sh
index cd0de506d208f3d741aa2223e8cc639850326ae7..92de08822702f780c6895a5d2c070ee009ecfef7 100755 (executable)
--- a/t/t0000-basic.sh
+++ b/t/t0000-basic.sh
@@ -309,4 +309,24 @@ test_expect_success 'absolute path works as expected' '
        test "$sym" = "$(test-absolute-path $dir2/syml)"
 '
 
+test_expect_success 'very long name in the index handled sanely' '
+
+       a=a && # 1
+       a=$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a && # 16
+       a=$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a && # 256
+       a=$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a && # 4096
+       a=${a}q &&
+
+       >path4 &&
+       git update-index --add path4 &&
+       (
+               git ls-files -s path4 |
+               sed -e "s/      .*/     /" |
+               tr -d "\012"
+               echo "$a"
+       ) | git update-index --index-info &&
+       len=$(git ls-files "a*" | wc -c) &&
+       test $len = 4098
+'
+
 test_done