#!/usr/bin/env fish
# called using shellsrv git-build <repo url>

set -l repo $argv[1]
set -l path $argv[3]
set -l local_location (pwd)

if test "$path" != '/build-pls'
    echo "invalid path"
    exit 1
end

set -l tmp_dir /tmp/build_(random)

git clone $repo $tmp_dir
cd $tmp_dir

# read json from stding - which is the request body
git checkout (jq -r '.after')

# read config
set mount /pipeline
set envfile ""

for l in (cat .ezpipe)
    if test -z "$l"
        continue
    end
    set -l parts (string split -m 1 "=" "$l")
    set $parts[1] $parts[2]
end

set docker_args 

if test -z "$image"
    echo "image required"
    exit 1
end
if test -z "$entrypoint"
    echo "entrypoint required"
    exit 1
end

if test ! -z "$envfile"
    set -a docker_args '--env-file'
    set -a docker_args $local_location/$envfile
end

docker run --rm $docker_args -v (pwd):$mount -w $mount $image $mount/$entrypoint

cd ..
rm -rf $tmp_dir