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#!/usr/bin/awk -f
##
# Replaces version strings with the $pkgver variable or $_ver variable.
# If the ver field is the same as pkgver then ver is discarded (not printed)
# and version strings are replaced with $pkgver.
#
# The path and source fields are searched and replaced.
BEGIN {
OFS = FS = "\n"
RS = ""
ORS = "\n\n"
prog = "vervar"
replflds["dir"] = replflds["source"] = 1
}
$1 == "ver" { ver = $2; next }
$1 == "pkgver" { pkgver = $2; next }
$1 in replflds {
repl[$1] = $0
next
}
1
END {
if(error) {
exit(error)
}
if(!ver){
print prog ": error: ver field is missing (or zero)" | "cat 1>&2"
exit(1)
}
if("" pkgver == ver){
# Don't use the $_ver variable if $pkgver and $_ver are identical.
skipver = 1
vervar = "pkgver"
ver = pkgver
}else{
# Print the $_ver variable if it is different
print "ver", ver
vervar = "_ver"
}
print "pkgver", pkgver
# Replace the version string with the version parameter.
gsub(/([.])/, "\\\\&", ver)
for(f in repl){
sub(ver, "$" vervar, repl[f])
print repl[f]
}
}
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