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#!/usr/bin/awk -f
BEGIN {
fieldstr = "pkgname _ver pkgver pkgrel pkgdesc epoch" \
" *arch *license *options" \
" install changelog" \
" *depends *makedepends *checkdepends *optdepends" \
" *conflicts *provides" \
" url *source *noextract *md5sums *sha512sums" \
" _dir"
max = split(fieldstr, fields)
for(i=1; i<=max; i++) {
if(sub(/^[*]/, "", fields[i])){
arrfield[fields[i]] = 1
}else if(sub(/^_/, "", fields[i])){
cfield[fields[i]] = 1
}else{
strfield[fields[i]] = 1
}
}
COLS = 78; FS = "\n"; RS = ""
}
NF < 2 { next }
$1 == "packager" { packager = $2 }
$1 == "maintainer" { maintainer = $2 }
$1 == "customvars" {
for(i = 2; i <= NF; i++){
customvars[i - 1] = $i
}
customlen = NF - 1
}
{
quotevals()
if(($1 in strfield) || ($1 in cfield)){
output[$1] = $2
}else {
arrtxt = wraparray(length($1) + 2)
if(arrfield[$1]){
output[$1] = arrtxt
}else{
unk[$1] = arrtxt
}
}
}
END {
if(pkgverfmt){
output["pkgver"] = sprintf(pkgverfmt, output["pkgver"])
}
if(!maintainer && !packager) { packager = "Anonymous" }
if(maintainer) print "# Maintainer: " maintainer
else if(packager) print "# Packager: " packager
print ""
OFS = "="; ORS = "\n";
for(i = 1; i <= customlen; i++){
v = customvars[i]
print "_" v, unk[v]
}
for(i=1; i<=max; i++){
name = fields[i]
if(!(name in output)){
continue
}
if(name in cfield){
print "_" name, output[name]
}else{
print name, output[name]
}
}
}
function wraparray (indent)
{
if(NF == 1) return "()" # this shouldn't happen but just in case.
line = ""
delete lines
linecount = 0
i = 2
while(i <= NF) {
linelen = length(line)
if((indent + linelen + 1 + length($i) > COLS) && linelen > 0) {
lines[++linecount] = line
line = ""
} else {
if(linelen == 0) line = $(i++)
else line = line " " $(i++)
}
}
if(length(line) > 0) lines[++linecount] = line
indtxt = sprintf("%" indent "s", "")
txt = "(" lines[1]
for(i=2; i<=linecount; i++) txt = txt "\n" indtxt lines[i]
txt = txt ")"
return txt
}
function quotevals ()
{
for(i=2; i<=NF; i++) $i = bashquote($i)
}
function bashquote (val)
{
if(val ~ /[$'"`]/){
gsub(/[$"`]/, "\\\\&", $2)
return sprintf("\"%s\"", val)
}
if(val ~ / /) return sprintf("'%s'", val)
return val
}
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