# Email global subscription file consists of lines in following format:
# PACKAGE REFTYPE REFNAME MAILTO
# where:
# - PACKAGE: repository name (PACKAGE part of packages/PACKAGE.git);
# - REFTYPE: type of updated reference (head, release, remote or tag);
# - REFNAME: name of updated reference (basename of refs/*/*);
# - MAILTO: comma-separated list of recipient USERs.
# Each of first 3 fields could be either name itself or * symbol
# which matches any name.
# In addition, PACKAGE could be a name prefix followed by * symbol
# to match any name with the given prefix.
