ba375acff7
This silently adds the ".git" directory component if needed, so you don't need to state it explicitly for the source. Also, it turns the source into an absolute pathname when local, so that you can use relative pathnames without losing sight of the source when we cd into the destination.
83 lines
1.5 KiB
Bash
Executable File
83 lines
1.5 KiB
Bash
Executable File
#!/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] <repo> <dir>"
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exit 1
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}
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get_repo_base() {
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(cd "$1" && (cd .git ; pwd)) 2> /dev/null
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}
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use_local=no
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while
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case "$#,$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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*,-*) 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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repo="$repo/.git"
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( cd "$repo/objects" ) || {
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echo >&2 "-l flag seen but $repo is not local."
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exit 1
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}
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}
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# See if we can hardlink and drop "l" if not.
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sample_file=$(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 "$D/.git/objects/sample" &&
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cp -r$l "$repo/objects" "$D/.git/" || exit 1
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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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exit 0
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;;
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esac
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cd "$D" && git clone-pack "$repo"
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