#!/bin/bash
# vim: set ts=8 fdm=marker :

BASEDIR="${HOME}/builds"
PROTODIR='/usr/share/pacman'

###
# Lines below this point should not need to be edited.
##
MYVERSION=1.0

DOCOPYINSTALL=0 # Copy the .install file
DOCOPYRC=0 # Copy the prototype rc.d script
DOFORCE=0 # Overwrite existing files

PROTO_PKGBUILD="${PROTODIR}/PKGBUILD.proto"
PROTO_INSTALL="${PROTODIR}/proto.install"
PROTO_RC="${PROTODIR}/rc-script.proto"

# {{{ usage()
function usage {
        cat << _USAGE
$(basename $0) version $MYVERSION -- A script to speed up creating new PKGBUILDs
Usage: $(basename $0) [options] PKGNAME
Options:
        -h --help           - Print this usage
        -f --force          - Overwrite existing files in the target dir
        -i --proto-install  - Copy the prototype .install file
        --rc                - Copy the protype for an rc.d script
        --cvs               - Copy the prototype for a cvs PKGBUILD
        --darcs             - Copy the prototype for a darcs PKGBUILD
        --git               - Copy the prototype for a git PKGBUILD
        --svn               - Copy the prototype for a svn PKGBUILD
_USAGE
        exit 0
}
# }}}

# {{{  die() warn() quit() msg()
function die {
        warn "${1:-Unknown error}"
        quit ${2:-1}
}

function warn {
        if [ -n "$1" ]; then
                echo "$1" 1>&2
        fi
}

function quit {
        exit ${1:-0}
}

function msg {
        echo "$1"
}
# }}}

if [ -z "$1" ]; then
        usage
fi

while [ "$#" -ne 0 ]; do
        case $1 in
                -h|--help) 
                        usage
                        ;;
                -i|--proto-install)     
                        DOCOPYINSTALL=1
                        ;;
                -f|--force)
                        DOFORCE=1
                        ;;
                --cvs)
                        PROTO_PKGBUILD='PKGBUILD-cvs.proto'
                        ;;
                --darcs)
                        PROTO_PKGBUILD='PKGBUILD-darcs.proto'
                        ;;
                --git)
                        PROTO_PKGBUILD='PKGBUILD-git.proto'
                        ;;
                --svn)
                        PROTO_PKGBUILD='PKGBUILD-svn.proto'
                        ;;
                --rc)
                        DOCOPYRC=1
                        ;;
                *)      
                        pkgname=$(echo $1 | sed 's/ //g') # Remove spaces from the name
                        ;;
        esac
        shift
done

pkgdir="${BASEDIR}/${pkgname}"

if [ -d "$pkgdir" ]; then
        if [ "$DOFORCE" -eq 1 ]; then
                warn "$pkgname already exists in $BASEDIR -- continuing anyway!"
        else
                die "$pkgname already exists in $BASEDIR -- aborting"
        fi
else
        mkdir -p "$pkgdir"
        msg "Creating package dir for $pkgname"
fi
cd "$pkgdir"

if [ -r "$PROTO_PKGBUILD" ]; then
        msg "Copying prototype PKGBUILD"
        cp "$PROTO_PKGBUILD" ./PKGBUILD
        sed -i "s#^pkgname=.*#pkgname=$pkgname#" PKGBUILD
else
        warn "Could not find prototype PKGBUILD"
fi
if [ "$DOCOPYINSTALL" -eq 1 ]; then
        if [ -r "$PROTO_INSTALL" ]; then 
                msg "Copying prototype .install file"
                cp "$PROTO_INSTALL" "./${pkgname}.install"
                sed -i "s#^install=.*#install='${pkgname}.install'#" PKGBUILD
        else
                warn "Could not find prototype .install"
        fi
fi
if [ "$DOCOPYRC" -eq 1 ]; then
        if [ -r "$PROTO_RC" ]; then 
                msg "Copying prototype r#!/bin/bash
# vim: set ts=8 fdm=marker :

BASEDIR="${HOME}/builds"
PROTODIR='/usr/share/pacman'

###
# Lines below this point should not need to be edited.
##
MYVERSION=1.0

DOCOPYINSTALL=0 # Copy the .install file
DOCOPYRC=0 # Copy the prototype rc.d script
DOFORCE=0 # Overwrite existing files

PROTO_PKGBUILD="${PROTODIR}/PKGBUILD.proto"
PROTO_INSTALL="${PROTODIR}/proto.install"
PROTO_RC="${PROTODIR}/rc-script.proto"

# {{{ usage()
function usage {
        cat << _USAGE
$(basename $0) version $MYVERSION -- A script to speed up creating new PKGBUILDs
Usage: $(basename $0) [options] PKGNAME
Options:
        -h --help           - Print this usage
        -f --force          - Overwrite existing files in the target dir
        -i --proto-install  - Copy the prototype .install file
        --rc                - Copy the protype for an rc.d script
        --cvs               - Copy the prototype for a cvs PKGBUILD
        --darcs             - Copy the prototype for a darcs PKGBUILD
        --git               - Copy the prototype for a git PKGBUILD
        --svn               - Copy the prototype for a svn PKGBUILD
_USAGE
        exit 0
}
# }}}

# {{{  die() warn() quit() msg()
function die {
        warn "${1:-Unknown error}"
        quit ${2:-1}
}

function warn {
        if [ -n "$1" ]; then
                echo "$1" 1>&2
        fi
}

function quit {
        exit ${1:-0}
}

function msg {
        echo "$1"
}
# }}}

if [ -z "$1" ]; then
        usage
fi

while [ "$#" -ne 0 ]; do
        case $1 in
                -h|--help) 
                        usage
                        ;;
                -i|--proto-install)     
                        DOCOPYINSTALL=1
                        ;;
                -f|--force)
                        DOFORCE=1
                        ;;
                --cvs)
                        PROTO_PKGBUILD='PKGBUILD-cvs.proto'
                        ;;
                --darcs)
                        PROTO_PKGBUILD='PKGBUILD-darcs.proto'
                        ;;
                --git)
                        PROTO_PKGBUILD='PKGBUILD-git.proto'
                        ;;
                --svn)
                        PROTO_PKGBUILD='PKGBUILD-svn.proto'
                        ;;
                --rc)
                        DOCOPYRC=1
                        ;;
                *)      
                        pkgname=$(echo $1 | sed 's/ //g') # Remove spaces from the name
                        ;;
        esac
        shift
done

pkgdir="${BASEDIR}/${pkgname}"

if [ -d "$pkgdir" ]; then
        if [ "$DOFORCE" -eq 1 ]; then
                warn "$pkgname already exists in $BASEDIR -- continuing anyway!"
        else
                die "$pkgname already exists in $BASEDIR -- aborting"
        fi
else
        mkdir -p "$pkgdir"
        msg "Creating package dir for $pkgname"
fi
cd "$pkgdir"

if [ -r "$PROTO_PKGBUILD" ]; then
        msg "Copying prototype PKGBUILD"
        cp "$PROTO_PKGBUILD" ./PKGBUILD
        sed -i "s#^pkgname=.*#pkgname=$pkgname#" PKGBUILD
else
        warn "Could not find prototype PKGBUILD"
fi
if [ "$DOCOPYINSTALL" -eq 1 ]; then
        if [ -r "$PROTO_INSTALL" ]; then 
                msg "Copying prototype .install file"
                cp "$PROTO_INSTALL" "./${pkgname}.install"
                sed -i "s#^install=.*#install='${pkgname}.install'#" PKGBUILD
        else
                warn "Could not find prototype .install"
        fi
fi
if [ "$DOCOPYRC" -eq 1 ]; then
        if [ -r "$PROTO_RC" ]; then 
                msg "Copying prototype rc.d script"
                cp "$PROTO_RC" "./${pkgname}"
                sed -i "s#^source=(\(.*\))#source=(\1 $pkgname)#" PKGBUILD
        else
                warn "Could not find prototype rc.d script"
        fi
fi

msg "All done! New package prepared in $pkgdir"
quit 0
c.d script"
                cp "$PROTO_RC" "./${pkgname}"
                sed -i "s#^source=(\(.*\))#source=(\1 $pkgname)#" PKGBUILD
        else
                warn "Could not find prototype rc.d script"
        fi
fi

msg "All done! New package prepared in $pkgdir"
quit 0