function release_subst(rel) {

rel = tolower(rel);

if(match(rel, "^rhel.*"))

return "centos"

return rel;

}

BEGIN {

if(os_type == "" || os_ver == "") {

print "Missing arguments";

exit 1;

}

os_type = release_subst(os_type);

os_ver = os_ver;

print "Checking relevancy for " os_type " " os_ver;

}

match($0, /\"Releases:[[:space:]]*(.*)\"/, m) {

split(m[1], items, /[[:space:]]+/);

}

END {

for(i in items) {

# Split each release to exclude sign (-), release name and release

# version. If parsed release matches the release passed as arguments

# and the exclude flags is set, return 1

# If no release is matched (or matched release doesn't have the

# exclude flags set), return 0

if(match(items[i], /^([-])?([^0-9]+)([0-9]+)$/, release)) {

exclude = (release[1] == "-") ? 1 : 0;

rel_type = release_subst(release[2]);

rel_ver = release[3];

print rel_type " " rel_ver " " ((exclude) ? "exclude" : "ok")

if(rel_type == os_type && rel_ver == os_ver && exclude)

exit 1;

}

}

exit 0;

}