+#
+# Copyright (c) 2005, Linus Torvalds
+# Copyright (c) 2005, Junio C Hamano
+#
+# Clone a repository into a different directory that does not yet exist.
+
+usage() {
+ echo >&2 "* git clone [-l [-s]] [-q] [-u <upload-pack>] <repo> <dir>"
+ exit 1
+}
+
+get_repo_base() {
+ (cd "$1" && (cd .git ; pwd)) 2> /dev/null
+}
+
+if [ -n "$GIT_SSL_NO_VERIFY" ]; then
+ curl_extra_args="-k"
+fi
+
+http_fetch () {
+ # $1 = Remote, $2 = Local
+ curl -nsf $curl_extra_args "$1" >"$2"
+}
+
+clone_dumb_http () {
+ # $1 - remote, $2 - local
+ cd "$2" &&
+ clone_tmp='.git/clone-tmp' &&
+ mkdir -p "$clone_tmp" || exit 1
+ http_fetch "$1/info/refs" "$clone_tmp/refs" &&
+ http_fetch "$1/objects/info/packs" "$clone_tmp/packs" || {
+ echo >&2 "Cannot get remote repository information.
+Perhaps git-update-server-info needs to be run there?"
+ exit 1;
+ }
+ while read type name
+ do
+ case "$type" in
+ P) ;;
+ *) continue ;;
+ esac &&
+
+ idx=`expr "$name" : '\(.*\)\.pack'`.idx
+ http_fetch "$1/objects/pack/$name" ".git/objects/pack/$name" &&
+ http_fetch "$1/objects/pack/$idx" ".git/objects/pack/$idx" &&
+ git-verify-pack ".git/objects/pack/$idx" || exit 1
+ done <"$clone_tmp/packs"
+
+ while read sha1 refname
+ do
+ name=`expr "$refname" : 'refs/\(.*\)'` &&
+ git-http-pull -v -a -w "$name" "$name" "$1/" || exit 1
+ done <"$clone_tmp/refs"
+ rm -fr "$clone_tmp"
+}
+
+quiet=
+use_local=no
+local_shared=no
+upload_pack=
+while
+ case "$#,$1" in
+ 0,*) break ;;
+ *,-l|*,--l|*,--lo|*,--loc|*,--loca|*,--local) use_local=yes ;;
+ *,-s|*,--s|*,--sh|*,--sha|*,--shar|*,--share|*,--shared)
+ local_shared=yes ;;
+ *,-q|*,--quiet) quiet=-q ;;
+ 1,-u|1,--upload-pack) usage ;;
+ *,-u|*,--upload-pack)
+ shift
+ upload_pack="--exec=$1" ;;
+ *,-*) usage ;;
+ *) break ;;
+ esac
+do
+ shift
+done
+
+# Turn the source into an absolute path if
+# it is local