Migrate git-clone to use git-rev-parse --parseopt

diff --git a/git-clone.sh b/git-clone.sh
index 0ea3c24f59e32055e4d514e55fe3a6f6be095f9c..f216f03a77d548f04aba4b64953b66368ce2ef9b 100755 (executable)
--- a/git-clone.sh
+++ b/git-clone.sh
@@ -8,15 +8,36 @@
 # See git-sh-setup why.
 unset CDPATH
 
+OPTIONS_SPEC="\
+git-clone [options] [--] <repo> [<dir>]
+--
+n,no-checkout        don't create a checkout
+bare                 create a bare repository
+naked                create a bare repository
+l,local              to clone from a local repository
+no-hardlinks         don't use local hardlinks, always copy
+s,shared             setup as a shared repository
+template=            path to the template directory
+q,quiet              be quiet
+reference=           reference repository
+o,origin=            use <name> instead of 'origin' to track upstream
+u,upload-pack=       path to git-upload-pack on the remote
+depth=               create a shallow clone of that depth
+
+use-separate-remote  compatibility, do not use
+no-separate-remote   compatibility, do not use"
+
 die() {
        echo >&2 "$@"
        exit 1
 }
 
 usage() {
-       die "Usage: $0 [--template=<template_directory>] [--reference <reference-repo>] [--bare] [-l [-s]] [-q] [-u <upload-pack>] [--origin <name>] [--depth <n>] [-n] <repo> [<dir>]"
+       exec "$0" -h
 }
 
+eval `echo "$OPTIONS_SPEC" | git rev-parse --parseopt -- "$@" || echo exit $?`
+
 get_repo_base() {
        (
                cd "`/bin/pwd`" &&
@@ -106,64 +127,57 @@ depth=
 no_progress=
 local_explicitly_asked_for=
 test -t 1 || no_progress=--no-progress
-while
-       case "$#,$1" in
-       0,*) break ;;
-       *,-n|*,--no|*,--no-|*,--no-c|*,--no-ch|*,--no-che|*,--no-chec|\
-       *,--no-check|*,--no-checko|*,--no-checkou|*,--no-checkout)
-         no_checkout=yes ;;
-       *,--na|*,--nak|*,--nake|*,--naked|\
-       *,-b|*,--b|*,--ba|*,--bar|*,--bare) bare=yes ;;
-       *,-l|*,--l|*,--lo|*,--loc|*,--loca|*,--local)
-         local_explicitly_asked_for=yes
-         use_local_hardlink=yes ;;
-       *,--no-h|*,--no-ha|*,--no-har|*,--no-hard|*,--no-hardl|\
-       *,--no-hardli|*,--no-hardlin|*,--no-hardlink|*,--no-hardlinks)
-         use_local_hardlink=no ;;
-        *,-s|*,--s|*,--sh|*,--sha|*,--shar|*,--share|*,--shared)
-          local_shared=yes; ;;
-       1,--template) usage ;;
-       *,--template)
+
+while test $# != 0
+do
+       case "$1" in
+       -n|--no-checkout)
+               no_checkout=yes ;;
+       --naked|--bare)
+               bare=yes ;;
+       -l|--local)
+               local_explicitly_asked_for=yes
+               use_local_hardlink=yes
+               ;;
+       --no-hardlinks)
+               use_local_hardlink=no ;;
+       -s|--shared)
+               local_shared=yes ;;
+       --template)
                shift; template="--template=$1" ;;
-       *,--template=*)
-         template="$1" ;;
-       *,-q|*,--quiet) quiet=-q ;;
-       *,--use-separate-remote) ;;
-       *,--no-separate-remote)
+       -q|--quiet)
+               quiet=-q ;;
+       --use-separate-remote|--no-separate-remote)
                die "clones are always made with separate-remote layout" ;;
-       1,--reference) usage ;;
-       *,--reference)
+       --reference)
                shift; reference="$1" ;;
-       *,--reference=*)
-               reference=`expr "z$1" : 'z--reference=\(.*\)'` ;;
-       *,-o|*,--or|*,--ori|*,--orig|*,--origi|*,--origin)
-               case "$2" in
+       -o,--origin)
+               shift;
+               case "$1" in
                '')
                    usage ;;
                */*)
-                   die "'$2' is not suitable for an origin name"
+                   die "'$1' is not suitable for an origin name"
                esac
-               git check-ref-format "heads/$2" ||
-                   die "'$2' is not suitable for a branch name"
+               git check-ref-format "heads/$1" ||
+                   die "'$1' is not suitable for a branch name"
                test -z "$origin_override" ||
                    die "Do not give more than one --origin options."
                origin_override=yes
-               origin="$2"; shift
+               origin="$1"
                ;;
-       1,-u|1,--upload-pack) usage ;;
-       *,-u|*,--upload-pack)
+       -u|--upload-pack)
                shift
                upload_pack="--upload-pack=$1" ;;
-       *,--upload-pack=*)
-               upload_pack=--upload-pack=$(expr "z$1" : 'z-[^=]*=\(.*\)') ;;
-       1,--depth) usage;;
-       *,--depth)
+       --depth)
+               shift
+               depth="--depth=$1" ;;
+       --)
                shift
-               depth="--depth=$1";;
-       *,-*) usage ;;
-       *) break ;;
+               break ;;
+       *)
+               usage ;;
        esac
-do
        shift
 done