alloc_ref_from_str(): factor out a common pattern of alloc_ref from string

diff --git a/git-repack.sh b/git-repack.sh
index 7220635c96a75a17634297b33bac8322647b8270..e18eb3f5dcf42abfbd125594877ececf92c3d9b6 100755 (executable)
--- a/git-repack.sh
+++ b/git-repack.sh
@@ -3,7 +3,22 @@
 # Copyright (c) 2005 Linus Torvalds
 #
 
-USAGE='[-a|-A] [-d] [-f] [-l] [-n] [-q] [--max-pack-size=N] [--window=N] [--window-memory=N] [--depth=N]'
+OPTIONS_KEEPDASHDASH=
+OPTIONS_SPEC="\
+git-repack [options]
+--
+a               pack everything in a single pack
+A               same as -a, and keep unreachable objects too
+d               remove redundant packs, and run git-prune-packed
+f               pass --no-reuse-delta to git-pack-objects
+q,quiet         be quiet
+l               pass --local to git-pack-objects
+ 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
+depth=          limits the maximum delta depth
+max-pack-size=  maximum size of each packfile
+"
 SUBDIRECTORY_OK='Yes'
 . git-sh-setup
 
@@ -20,10 +35,9 @@ do
        -q)     quiet=-q ;;
        -f)     no_reuse=--no-reuse-object ;;
        -l)     local=--local ;;
-       --max-pack-size=*) extra="$extra $1" ;;
-       --window=*) extra="$extra $1" ;;
-       --window-memory=*) extra="$extra $1" ;;
-       --depth=*) extra="$extra $1" ;;
+       --max-pack-size|--window|--window-memory|--depth)
+               extra="$extra $1=$2"; shift ;;
+       --) shift; break;;
        *)      usage ;;
        esac
        shift