wh

#!/bin/bash

PRJ=$1
PKG=$2
REPO=$3
BRANCH=${4:-master}

ME=$(basename $0)

WHUSER=cibot
WHURL=https://webhook.merproject.org/webhook/

OBS=https://build.merproject.org

usage() {
cat <<EOF
    usage: $ME <project> <package> <git repo> [<branch>]

    eg: $ME home:lbt:hack not-a-ux https://github.com/lbt/mer-not-a-ux.git pkg-mer

    branch defaults to 'master'
EOF
}

fatal() {
    echo $@
    exit 1
}

project_exists() {
    osc meta prj $PRJ >/dev/null 2>&1
}
package_exists() {
    osc meta pkg $PRJ $PKG >/dev/null 2>&1
}
create_project() {
    echo "Creating project $PRJ"
    cat <<EOF | osc meta prj $PRJ -F -
<project name="$PRJ">
  <title>$prj</title>
  <description/>
</project>
EOF
}
create_package() {
    echo "Creating package $PRJ/$PKG"
    cat <<EOF | osc meta pkg $PRJ $PKG -F -
<package name="$PKG" project="$PRJ">
  <title>$PRJ</title>
  <description/>
</package>
EOF
}
project_has_cibot() {
    PRJ_META=$(osc meta prj $PRJ 2>&1)
    echo "$PRJ_META" | grep "<person" | grep '"$WHUSER"' | grep 'role="maintainer"' > /dev/null
}
project_add_cibot() {
    echo "Adding $WHUSER to $PRJ"
    # in the line range 0->line-matching-"<person", if line matches <person, append a WHUSER line
    echo "$PRJ_META" | sed "0,/<person/ {/<person/a\
<person userid='$WHUSER' role='maintainer'\/>
}"| osc meta prj $PRJ -F -

}
add_service() {
    echo "Creating webhook"
    cat <<EOF | osc api -T /dev/stdin -X PUT source/$PRJ/$PKG/_service > /dev/null
<services>
  <service name="webhook">
  <param name="repourl">$REPO</param>
  <param name="branch">$BRANCH</param>
  </service>
</services>
EOF
}

task() {
    echo "$@"
}

if [[ ! $PRJ ]]; then 
    usage; fatal "<project> not given"
elif [[ ! $PKG ]]; then 
    usage; fatal "<package> not given"
elif [[ ! $REPO ]]; then 
    usage; fatal "<repo> not given"
elif (( $# > 4 )); then
    usage; fatal "Too many arguments"
fi

if ! project_exists; then
    if create_project; then
	task "Update description and set some repositories at $OBS/project/show/$prj"
    else
	fatal "Could not create missing project: $PRJ"
    fi
fi
# We create the project with no 'person' so OBS adds the current user.
# Then add cibot if it is not there
if ! project_has_cibot; then
    project_add_cibot
fi
if ! package_exists; then
    if create_package; then
	task "Update description at $OBS/package/show/$prj/$pkg"
    else
	fatal "Could not create missing package: $PRJ/$PKG"
    fi
fi

if add_service; then
    task "Webhook added - make sure the git service for the $REPO webhook trigger points to $WHURL"
else
    fatal "Could not add a service to $PRJ $PKG"
fi