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132 lines
2.6 KiB
132 lines
2.6 KiB
#!/bin/sh |
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# |
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# Copyright (c) 2005, Linus Torvalds |
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# Copyright (c) 2005, Junio C Hamano |
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# |
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# Clone a repository into a different directory that does not yet exist. |
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usage() { |
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echo >&2 "* git clone [-l [-s]] [-q] [-u <upload-pack>] <repo> <dir>" |
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exit 1 |
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} |
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get_repo_base() { |
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(cd "$1" && (cd .git ; pwd)) 2> /dev/null |
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} |
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quiet= |
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use_local=no |
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local_shared=no |
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upload_pack= |
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while |
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case "$#,$1" in |
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0,*) break ;; |
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*,-l|*,--l|*,--lo|*,--loc|*,--loca|*,--local) use_local=yes ;; |
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*,-s|*,--s|*,--sh|*,--sha|*,--shar|*,--share|*,--shared) |
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local_shared=yes ;; |
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*,-q|*,--quiet) quiet=-q ;; |
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1,-u|1,--upload-pack) usage ;; |
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*,-u|*,--upload-pack) |
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shift |
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upload_pack="--exec=$1" ;; |
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*,-*) usage ;; |
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*) break ;; |
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esac |
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do |
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shift |
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done |
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# Turn the source into an absolute path if |
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# it is local |
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repo="$1" |
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local=no |
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if base=$(get_repo_base "$repo"); then |
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repo="$base" |
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local=yes |
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fi |
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dir="$2" |
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mkdir "$dir" && |
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D=$( |
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(cd "$dir" && git-init-db && pwd) |
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) && |
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test -d "$D" || usage |
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# We do local magic only when the user tells us to. |
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case "$local,$use_local" in |
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yes,yes) |
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( cd "$repo/objects" ) || { |
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echo >&2 "-l flag seen but $repo is not local." |
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exit 1 |
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} |
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case "$local_shared" in |
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no) |
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# See if we can hardlink and drop "l" if not. |
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sample_file=$(cd "$repo" && \ |
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find objects -type f -print | sed -e 1q) |
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# objects directory should not be empty since we are cloning! |
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test -f "$repo/$sample_file" || exit |
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l= |
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if ln "$repo/$sample_file" "$D/.git/objects/sample" 2>/dev/null |
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then |
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l=l |
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fi && |
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rm -f "$D/.git/objects/sample" && |
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cd "$repo" && |
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find objects -type f -print | |
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cpio -puamd$l "$D/.git/" || exit 1 |
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;; |
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yes) |
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mkdir -p "$D/.git/objects/info" |
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{ |
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test -f "$repo/objects/info/alternates" && |
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cat "$repo/objects/info/alternates"; |
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echo "$repo/objects" |
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} >"$D/.git/objects/info/alternates" |
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;; |
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esac |
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# Make a duplicate of refs and HEAD pointer |
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HEAD= |
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if test -f "$repo/HEAD" |
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then |
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HEAD=HEAD |
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fi |
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tar Ccf "$repo" - refs $HEAD | tar Cxf "$D/.git" - || exit 1 |
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;; |
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*) |
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case "$repo" in |
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rsync://*) |
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rsync $quiet -avz --ignore-existing "$repo/objects/" "$D/.git/objects/" && |
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rsync $quiet -avz --ignore-existing "$repo/refs/" "$D/.git/refs/" |
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;; |
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http://*) |
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git-clone-dumb-http "$repo" "$D" |
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case "$?" in |
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2) |
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echo "Somebody should define smarter http server protocol" >&2 |
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exit 1 |
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;; |
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0) |
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;; |
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*) |
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exit |
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esac |
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;; |
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*) |
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cd "$D" && case "$upload_pack" in |
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'') git-clone-pack $quiet "$repo" ;; |
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*) git-clone-pack $quiet "$upload_pack" "$repo" ;; |
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esac |
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;; |
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esac |
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;; |
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esac |
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# Update origin. |
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mkdir -p "$D/.git/branches/" && |
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rm -f "$D/.git/branches/origin" && |
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echo "$repo" >"$D/.git/branches/origin"
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