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path: root/paludis/syncers/dodarcs.in
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#!/bin/bash

source "${PALUDIS_EBUILD_DIR}/echo_functions.bash"

for f in ${PALUDIS_BASHRC_FILES}; do
    [[ -f "${f}" ]] && source "${f}"
done

LOCAL=
REMOTE=

DARCS_GET_OPTIONS=( )
DARCS_PULL_OPTIONS=( )

while [[ $# -gt 0 ]]; do
    case "${1}" in

        --darcs-get-option=*)
            DARCS_GET_OPTIONS[${#DARCS_GET_OPTIONS[@]}]="${1#*=}"
            ;;

        --darcs-pull-option=*)
            DARCS_PULL_OPTIONS[${#DARCS_PULL_OPTIONS[@]}]="${1#*=}"
            ;;

        --help)
            PROTO="${0##*/do}"
            if [[ "${PROTO}" == darcs+ssh ]]; then
                echo "    URL syntax: darcs+ssh://[USERNAME[:PASSWORD]@]SERVER:/PATH"
            elif [[ "${PROTO}" == darcs+http ]]; then
                echo "    URL syntax: darcs+http://[USERNAME[:PASSWORD]@]SERVER[:PORT]/PATH"
            else
                # darcs can handle any protocol as long as you define
                # environment variables telling it how.  The user can
                # symlink/copy this syncer to enable support for other
                # protocols, but we can't give them much help with the
                # syntax....
                PROTO="${PROTO#darcs+}"
                echo "    URL syntax: darcs+${PROTO}://[$( tr [:lower:] [:upper:] <<<"${PROTO}" )-URL]"
            fi

            echo "    Options:"
            echo "        --darcs-get-option=OPTION       Pass OPTION to darcs get"
            echo "        --darcs-pull-option=OPTION      Pass OPTION to darcs pull"
            exit 0
            ;;

        --*)
            ewarn "${0}: unknown option '${1%%=*}'"
            ;;

        *)
            if [[ -z "${LOCAL}" ]]; then
                LOCAL="${1}"
            elif [[ -z "${REMOTE}" ]]; then
                REMOTE="${1}"
            else
                eerror "${0}: extra argument '${1}'"
                exit 1
            fi
            ;;

    esac
    shift
done

if [[ -z "${LOCAL}" ]]; then
    eerror "${0}: unspecified local repository directory"
    exit 1
elif [[ -z "${REMOTE}" ]]; then
    eerror "${0}: unspecified remote repository URL"
    exit 1
fi

REMOTE="${REMOTE#darcs+ssh://}"
REMOTE="${REMOTE#darcs+}"

if [[ -d "${LOCAL}" && ! -d "${LOCAL}/_darcs" ]]; then
    eerror "'${LOCAL}' exists but it is not a Darcs repository"
    exit 1
fi

if [[ -d "${LOCAL}/_darcs" ]]; then
    cd "${LOCAL}" && ${DARCS_WRAPPER} darcs pull --all \
        --set-scripts-executable "${DARCS_PULL_OPTIONS[@]}" "${REMOTE}"
else
    ${DARCS_WRAPPER} darcs get --partial --set-scripts-executable \
        "${DARCS_GET_OPTIONS[@]}" --repo-name="${LOCAL}" "${REMOTE}"
fi