libgo/godeps.sh

   1 #!/bin/sh
   2
   3 # Copyright 2011 The Go Authors. All rights reserved.
   4 # Use of this source code is governed by a BSD-style
   5 # license that can be found in the LICENSE file.
   6
   7 # The godeps.sh script outputs a dependency file for a package.  The
   8 # dependency file is then included in the libgo Makefile.  This is
   9 # automatic dependency generation, Go style.
  10
  11 # The first parameter is the name of the file being generated.  The
  12 # remaining parameters are the names of Go files which are scanned for
  13 # imports.
  14
  15 set -e
  16
  17 if test $# = 0; then
  18     echo 1>&2 "Usage: godeps.sh OUTPUT INPUTS..."
  19     exit 1
  20 fi
  21
  22 output=$1
  23 shift
  24
  25 files=$*
  26 deps=`for f in $files; do cat $f; done |
  27   sed -n -e '/^import.*"/p; /^import[   ]*(/,/^)/p' |
  28   sed -e 's/^import //' -e 's/^[^"]*"/"/' |
  29   grep '^[      ]*"' |
  30   grep -v '"unsafe"' |
  31   grep -v '%' |
  32   sed -e 's/^.*"\([^"]*\)".*$/\1/' -e 's/$/.gox/' |
  33   sort -u`
  34
  35 echo $output: $files $deps