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: To be included in git-pull and git-fetch scripts.
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# A remote repository can be specified on the command line
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# in one of the following formats:
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#
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# <repo>
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# <repo> <head>
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# <repo> tag <tag>
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#
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# where <repo> could be one of:
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#
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# a URL (including absolute or local pathname)
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# a short-hand
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# a short-hand followed by a trailing path
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#
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# A short-hand <name> has a corresponding file $GIT_DIR/branches/<name>,
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# whose contents is a URL, possibly followed by a URL fragment #<head>
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# to name the default branch on the remote side to fetch from.
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_remote_repo= _remote_store= _remote_head= _remote_name=
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case "$1" in
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*:* | /* | ../* | ./* )
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_remote_repo="$1"
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;;
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* )
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# otherwise, it is a short hand.
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case "$1" in
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*/*)
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# a short-hand followed by a trailing path
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_token=$(expr "$1" : '\([^/]*\)/')
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_rest=$(expr "$1" : '[^/]*\(/.*\)$')
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;;
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*)
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_token="$1"
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_rest=
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_remote_store="refs/heads/$_token"
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;;
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esac
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test -f "$GIT_DIR/branches/$_token" ||
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die "No such remote branch: $_token"
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_remote_repo=$(cat "$GIT_DIR/branches/$_token")"$_rest"
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;;
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esac
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case "$_remote_repo" in
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*"#"*)
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_remote_head=`expr "$_remote_repo" : '.*#\(.*\)$'`
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_remote_repo=`expr "$_remote_repo" : '\(.*\)#'`
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;;
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esac
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_remote_name=$(echo "$_remote_repo" | sed 's|\.git/*$||')
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case "$2" in
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tag)
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_remote_name="tag '$3' of $_remote_name"
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_remote_head="refs/tags/$3"
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_remote_store="$_remote_head"
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;;
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?*)
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# command line specified a head explicitly; do not
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# store the fetched head as a branch head.
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_remote_name="head '$2' of $_remote_name"
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_remote_head="refs/heads/$2"
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_remote_store=''
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;;
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'')
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case "$_remote_head" in
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'')
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_remote_head=HEAD ;;
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*)
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_remote_name="head '$_remote_head' of $_remote_name"
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_remote_head="refs/heads/$_remote_head"
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;;
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esac
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;;
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esac
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