#! /bin/sh
# NAME
#        push - Push master to all your repositores
#
# SYNOPSIS
#        push
# 
# ENVIRONMENT VARIABLES
#        LOGNAME    Specifies who you are.
#
#        STOCKHOLM  Specifies where stockholm can be found.
#                   (Default: ~/stockholm)
# 
set -efu

STOCKHOLM=${STOCKHOLM-$HOME/stockholm}

my_hosts() {
  make -s -C "$STOCKHOLM" system=$HOSTNAME eval expr='
      with config.krebs.lib;
      let my-name = maybeEnv "LOGNAME" (abort "LOGNAME not set"); in
      toJSON (attrNames (filterAttrs (_: host: host.owner.name == my-name)
                                     config.krebs.hosts))
    ' \
    | jq -r .
}

all_push_hosts() {
  git remote -v \
    | sed -n '
        s/^\(\S\+\)\s\+git@\([^:]\+\):\(\S\+\) (push)$/{"key":"\1","value":{"host":"\2","repo":"\3"}}/p
      ' \
    | jq -s from_entries
}

my_push_hosts() {
  my_hosts \
    | jq -r --argjson all_push_hosts "$(all_push_hosts)" \
          'map(. as $host | select( $all_push_hosts | has($host)))[]'
}

my_push_hosts \
  | parallel -j0 --no-notice --line-buffer --tag-string {} git push {} master