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
15set -e
16
17if test $# = 0; then
18    echo 1>&2 "Usage: godeps.sh OUTPUT INPUTS..."
19    exit 1
20fi
21
22output=$1
23shift
24
25files=$*
26deps=`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
35echo $output: $files $deps
36