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path: root/ebuild/syncers/dogit.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=

GIT_CLONE_OPTIONS=( )
GIT_PULL_OPTIONS=( )

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

        --git-clone-option=*)
            GIT_CLONE_OPTIONS[${#GIT_CLONE_OPTIONS[@]}]="${1#*=}"
            ;;

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

        --help)
            PROTO="${0##*/do}"
            if [[ "${PROTO}" == git ]]; then
                echo "    URL syntax: git://SERVER/PATH"
            elif [[ "${PROTO}" == git+ssh ]]; then
                echo "    URL syntax: git+ssh://[USERNAME[:PASSWORD]@]SERVER/PATH"
            elif [[ "${PROTO}" == git+http ]]; then
                echo "    URL syntax: git+http://[USERNAME[:PASSWORD]@]SERVER[:PORT]/PATH"
            else
                ewarn "URL syntax for ${PROTO} is unknown.  This script will likely not work with the ${PROTO} protocol"
            fi

            echo "    Options:"
            echo "        --git-clone-option=OPTION       Pass OPTION to git clone"
            echo "        --git-pull-option=OPTION        Pass OPTION to git 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

[[ "${REMOTE}" == git+http* ]] && REMOTE="${REMOTE#git+}"

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

if [[ -d "${LOCAL}/.git" ]]; then
    cd "${LOCAL}" && ${GIT_WRAPPER} git pull "${GIT_PULL_OPTIONS[@]}" "${REMOTE}"
else
    ${GIT_WRAPPER} git clone "${GIT_CLONE_OPTIONS[@]}" "${REMOTE}" "${LOCAL}"
fi