Reduce cost of deletion in levenstein distance (4 -> 3)

[git.git] / git-repack.sh

diff --git a/git-repack.sh b/git-repack.sh
index 624feec26f66b15926ffa11767c146222bc9a185..757933174e4c17136f14a1fdd7c8c67c0a8bca50 100755 (executable)
--- a/git-repack.sh
+++ b/git-repack.sh
@@ -15,6 +15,7 @@ F               pass --no-reuse-object to git-pack-objects
 n               do not run git-update-server-info
 q,quiet         be quiet
 l               pass --local to git-pack-objects
+unpack-unreachable=  with -A, do not loosen objects older than this
  Packing constraints
 window=         size of the window used for delta compression
 window-memory=  same as the above, but limit memory size instead of entries count
@@ -33,6 +34,8 @@ do
        -a)     all_into_one=t ;;
        -A)     all_into_one=t
                unpack_unreachable=--unpack-unreachable ;;
+       --unpack-unreachable)
+               unpack_unreachable="--unpack-unreachable=$2"; shift ;;
        -d)     remove_redundant=t ;;
        -q)     GIT_QUIET=t ;;
        -f)     no_reuse=--no-reuse-delta ;;
@@ -76,7 +79,12 @@ case ",$all_into_one," in
                if test -n "$existing" -a -n "$unpack_unreachable" -a \
                        -n "$remove_redundant"
                then
-                       args="$args $unpack_unreachable"
+                       # This may have arbitrary user arguments, so we
+                       # have to protect it against whitespace splitting
+                       # when it gets run as "pack-objects $args" later.
+                       # Fortunately, we know it's an approxidate, so we
+                       # can just use dots instead.
+                       args="$args $(echo "$unpack_unreachable" | tr ' ' .)"
                fi
        fi
        ;;