#!/usr/bin/awk -f

# takes a list of tables and a trackDb.ra file, and removes the line
# "release alpha" from the corresponding block.  Writes results to stdout.

BEGIN {
  if (ARGC != 3) {
    print "wrong # args: removeAlphas tableList trackDb.ra" > "/dev/stderr"
    print "Takes a list of tables and a trackDb.ra file, and removes the release" > "/dev/stderr"
    print "alpha lines from the corresponding blocks.  Writes whole file to stdout." > "/dev/stderr"
    exit 1
  }
  tblFile = ARGV[1]
  ARGV[1] = ""
  while ((status = getline tbl <tblFile) > 0) {
    tables[tbl] = 1
  }
  if (status < 0) {
    print "Error: cannot read " tblFile > "/dev/stderr"
    exit 1
  }
  close(tblFile)
  inTblBlock = 0
}

($1 == "track") && tables[$2] {
  inTblBlock = 1
}

NF == 0 {
  inTblBlock = 0
}

(inTblBlock && ($1 != "release") && ($2 != "alpha")) || !inTblBlock {
  print $0
}