#!/usr/bin/env bash

#
# Run getmail(1) over every getmailrc.* file in ~/.getmail (I didn't like the
# included getmails(1) script).
#
# Author: Tom Ryder <tom@sanctum.geek.nz>
# Copyright: 2016
#
self=getmails

# Check for existence of needed commands
hash flock getmail try || exit

# Create a directory for our lockfiles if need be; we'll just leave it there
lockdir=${TMPDIR:-/tmp}/getmail-$UID
if ! mkdir -p -- "$lockdir" ; then
    printf "%s: Could not create lockdir %s\n" \
        "$self" "$lockdir" >&2
    exit 1
fi

# Iterate through the getmailrc.* files in $GETMAIL if defined, or
# $HOME/.getmail if not
for rcfile in "${GETMAIL:-$HOME/.getmail}"/getmailrc.* ; do

    # Run the current rcfile with getmail quietly, using its basename with
    # .lock appended as the lockfile in the lock directory
    (
        flock -n 9 || exit 1
        try -i 15 -n 3 getmail --rcfile "$rcfile" "$@"
    ) 9>"$lockdir"/"${rcfile##*/}".lock &
done

# Wait for all of the enqueued tasks to finish
wait