define-from-md.awk

   1 #!/usr/bin/awk -f
   2
   3 # The caller must pass args: -v hfile=NAME rsync.1.md
   4
   5 BEGIN {
   6     heading = "/* DO NOT EDIT THIS FILE!  It is auto-generated from a list of values in " ARGV[1] "! */"
   7     if (hfile ~ /compress/) {
   8         define = "#define DEFAULT_DONT_COMPRESS"
   9         prefix = "*."
  10     } else {
  11         define = "#define DEFAULT_CVSIGNORE"
  12         prefix = ""
  13     }
  14     value_list = ""
  15 }
  16
  17 /^    > [^ ]+$/ {
  18     gsub(/`/, "")
  19     if (value_list != "") value_list = value_list " "
  20     value_list = value_list prefix $2
  21     next
  22 }
  23
  24 value_list ~ /\.gz / && hfile ~ /compress/ {
  25     exit
  26 }
  27
  28 value_list ~ /SCCS / && hfile ~ /cvsignore/ {
  29     exit
  30 }
  31
  32 value_list = ""
  33
  34 END {
  35     if (value_list != "")
  36         print heading "\n\n" define " \"" value_list "\"" > hfile
  37     else {
  38         print "Failed to find a value list in " ARGV[1] " for " hfile
  39         exit 1
  40     }
  41 }