#
# Clone a repository into a different directory that does not yet exist.
+# See git-sh-setup why.
+unset CDPATH
+
usage() {
- echo >&2 "* git clone [-l [-s]] [-q] [-u <upload-pack>] <repo> <dir>"
+ echo >&2 "Usage: $0 [--bare] [-l [-s]] [-q] [-u <upload-pack>] [-o <name>] [-n] <repo> [<dir>]"
exit 1
}
http_fetch () {
# $1 = Remote, $2 = Local
- curl -nsf $curl_extra_args "$1" >"$2"
+ curl -nsfL $curl_extra_args "$1" >"$2"
}
clone_dumb_http () {
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" || {
+ http_fetch "$1/info/refs" "$clone_tmp/refs" || {
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-fetch -v -a -w "$name" "$name" "$1/" || exit 1
+ case "$name" in
+ *^*) ;;
+ *)
+ git-http-fetch -v -a -w "$name" "$name" "$1/" || exit 1
+ esac
done <"$clone_tmp/refs"
rm -fr "$clone_tmp"
}
quiet=
use_local=no
local_shared=no
+no_checkout=
upload_pack=
+bare=
+origin=origin
+origin_override=
while
case "$#,$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) use_local=yes ;;
*,-s|*,--s|*,--sh|*,--sha|*,--shar|*,--share|*,--shared)
- local_shared=yes ;;
+ local_shared=yes; use_local=yes ;;
*,-q|*,--quiet) quiet=-q ;;
+ 1,-o) usage;;
+ *,-o)
+ git-check-ref-format "$2" || {
+ echo >&2 "'$2' is not suitable for a branch name"
+ exit 1
+ }
+ test -z "$origin_override" || {
+ echo >&2 "Do not give more than one -o options."
+ exit 1
+ }
+ origin_override=yes
+ origin="$2"; shift
+ ;;
1,-u|1,--upload-pack) usage ;;
*,-u|*,--upload-pack)
shift
shift
done
+# --bare implies --no-checkout
+if test yes = "$bare"
+then
+ if test yes = "$origin_override"
+ then
+ echo >&2 '--bare and -o $origin options are incompatible.'
+ exit 1
+ fi
+ no_checkout=yes
+fi
+
# Turn the source into an absolute path if
# it is local
repo="$1"
fi
dir="$2"
-mkdir "$dir" &&
-D=$(
- (cd "$dir" && git-init-db && pwd)
-) &&
-test -d "$D" || usage
+# Try using "humanish" part of source repo if user didn't specify one
+[ -z "$dir" ] && dir=$(echo "$repo" | sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
+[ -e "$dir" ] && echo "$dir already exists." && usage
+mkdir -p "$dir" &&
+D=$(cd "$dir" && pwd) &&
+case "$bare" in
+yes) GIT_DIR="$D" ;;
+*) GIT_DIR="$D/.git" ;;
+esac && export GIT_DIR && git-init-db || usage
+case "$bare" in
+yes)
+ GIT_DIR="$D" ;;
+*)
+ GIT_DIR="$D/.git" ;;
+esac
# We do local magic only when the user tells us to.
case "$local,$use_local" in
test -f "$repo/$sample_file" || exit
l=
- if ln "$repo/$sample_file" "$D/.git/objects/sample" 2>/dev/null
+ if ln "$repo/$sample_file" "$GIT_DIR/objects/sample" 2>/dev/null
then
l=l
fi &&
- rm -f "$D/.git/objects/sample" &&
+ rm -f "$GIT_DIR/objects/sample" &&
cd "$repo" &&
- find objects -type f -print |
- cpio -puamd$l "$D/.git/" || exit 1
+ find objects -depth -print | cpio -puamd$l "$GIT_DIR/" || exit 1
;;
yes)
- mkdir -p "$D/.git/objects/info"
+ mkdir -p "$GIT_DIR/objects/info"
{
test -f "$repo/objects/info/alternates" &&
cat "$repo/objects/info/alternates";
echo "$repo/objects"
- } >"$D/.git/objects/info/alternates"
+ } >"$GIT_DIR/objects/info/alternates"
;;
esac
then
HEAD=HEAD
fi
- tar Ccf "$repo" - refs $HEAD | tar Cxf "$D/.git" - || exit 1
+ (cd "$repo" && tar cf - refs $HEAD) |
+ (cd "$GIT_DIR" && tar xf -) || exit 1
;;
*)
case "$repo" in
rsync://*)
- rsync $quiet -avz --ignore-existing "$repo/objects/" "$D/.git/objects/" &&
- rsync $quiet -avz --ignore-existing "$repo/refs/" "$D/.git/refs/"
+ rsync $quiet -av --ignore-existing \
+ --exclude info "$repo/objects/" "$GIT_DIR/objects/" &&
+ rsync $quiet -av --ignore-existing \
+ --exclude info "$repo/refs/" "$GIT_DIR/refs/" || exit
+
+ # Look at objects/info/alternates for rsync -- http will
+ # support it natively and git native ones will do it on the
+ # remote end. Not having that file is not a crime.
+ rsync -q "$repo/objects/info/alternates" \
+ "$GIT_DIR/TMP_ALT" 2>/dev/null ||
+ rm -f "$GIT_DIR/TMP_ALT"
+ if test -f "$GIT_DIR/TMP_ALT"
+ then
+ ( cd "$D" &&
+ . git-parse-remote &&
+ resolve_alternates "$repo" <"$GIT_DIR/TMP_ALT" ) |
+ while read alt
+ do
+ case "$alt" in 'bad alternate: '*) die "$alt";; esac
+ case "$quiet" in
+ '') echo >&2 "Getting alternate: $alt" ;;
+ esac
+ rsync $quiet -av --ignore-existing \
+ --exclude info "$alt" "$GIT_DIR/objects" || exit
+ done
+ rm -f "$GIT_DIR/TMP_ALT"
+ fi
;;
http://*)
clone_dumb_http "$repo" "$D"
cd "$D" && case "$upload_pack" in
'') git-clone-pack $quiet "$repo" ;;
*) git-clone-pack $quiet "$upload_pack" "$repo" ;;
- esac
+ esac || {
+ echo >&2 "clone-pack from '$repo' failed."
+ exit 1
+ }
;;
esac
;;
esac
-# Update origin.
-mkdir -p "$D/.git/remotes/" &&
-rm -f "$D/.git/remotes/origin" &&
-echo >"$D/.git/remotes/origin" \
-"URL: $repo
-Pull: master:origin"
+cd "$D" || exit
+
+if test -f "$GIT_DIR/HEAD" && test -z "$bare"
+then
+ head_points_at=`git-symbolic-ref HEAD`
+ case "$head_points_at" in
+ refs/heads/*)
+ head_points_at=`expr "$head_points_at" : 'refs/heads/\(.*\)'`
+ mkdir -p "$GIT_DIR/remotes" &&
+ echo >"$GIT_DIR/remotes/origin" \
+ "URL: $repo
+Pull: $head_points_at:$origin" &&
+ git-update-ref "refs/heads/$origin" $(git-rev-parse HEAD) &&
+ (cd "$GIT_DIR" && find "refs/heads" -type f -print) |
+ while read ref
+ do
+ head=`expr "$ref" : 'refs/heads/\(.*\)'` &&
+ test "$head_points_at" = "$head" ||
+ test "$origin" = "$head" ||
+ echo "Pull: ${head}:${head}"
+ done >>"$GIT_DIR/remotes/origin"
+ esac
+
+ case "$no_checkout" in
+ '')
+ git checkout
+ esac
+fi