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#!/usr/bin/env bash
# Copyright 2011 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
# This script creates a complete godoc app in $APPDIR.
# It copies the cmd/godoc and src/go/... sources from GOROOT,
# synthesizes an app.yaml file, and creates the .zip, index, and
# configuration files.
#
# If an argument is provided it is assumed to be the app-engine godoc directory.
# Without an argument, $APPDIR is used instead. If GOROOT is not set, "go env"
# is consulted to find the $GOROOT.
#
# The script creates a .zip file representing the $GOROOT file system
# and computes the correspondig search index files. These files are then
# copied to $APPDIR. A corresponding godoc configuration file is created
# in $APPDIR/appconfig.go.
ZIPFILE=godoc.zip
INDEXFILE=godoc.index
SPLITFILES=index.split.
GODOC=golang.org/x/tools/cmd/godoc
CONFIGFILE=$GODOC/appconfig.go
error() {
echo "error: $1"
exit 2
}
getArgs() {
if [ -z $APPENGINE_SDK ]; then
error "APPENGINE_SDK environment variable not set"
fi
if [ ! -x $APPENGINE_SDK/goapp ]; then
error "couldn't find goapp command in $APPENGINE_SDK"
fi
if [ -z $GOROOT ]; then
GOROOT=$(go env GOROOT)
echo "GOROOT not set explicitly, using go env value instead"
fi
if [ -z $APPDIR ]; then
if [ $# == 0 ]; then
error "APPDIR not set, and no argument provided"
fi
APPDIR=$1
echo "APPDIR not set, using argument instead"
fi
# safety checks
if [ ! -d $GOROOT ]; then
error "$GOROOT is not a directory"
fi
if [ -e $APPDIR ]; then
error "$APPDIR exists; check and remove it before trying again"
fi
# reporting
echo "GOROOT = $GOROOT"
echo "APPDIR = $APPDIR"
}
fetchGodoc() {
echo "*** Fetching godoc (if not already in GOPATH)"
unset GOBIN
go=$APPENGINE_SDK/goapp
$go get -d -tags appengine $GODOC
mkdir -p $APPDIR/$GODOC
cp $(find $($go list -f '{{.Dir}}' $GODOC) -mindepth 1 -maxdepth 1 -type f) $APPDIR/$GODOC/
}
makeAppYaml() {
echo "*** make $APPDIR/app.yaml"
cat > $APPDIR/app.yaml <<EOF
application: godoc
version: 1
runtime: go
api_version: go1.4beta
handlers:
- url: /.*
script: _go_app
EOF
}
makeZipfile() {
echo "*** make $APPDIR/$ZIPFILE"
zip -q -r $APPDIR/$ZIPFILE $GOROOT/*
}
makeIndexfile() {
echo "*** make $APPDIR/$INDEXFILE"
GOPATH= godoc -write_index -index_files=$APPDIR/$INDEXFILE -zip=$APPDIR/$ZIPFILE
}
splitIndexfile() {
echo "*** split $APPDIR/$INDEXFILE"
split -b8m $APPDIR/$INDEXFILE $APPDIR/$SPLITFILES
}
makeConfigfile() {
echo "*** make $APPDIR/$CONFIGFILE"
cat > $APPDIR/$CONFIGFILE <<EOF
package main
// GENERATED FILE - DO NOT MODIFY BY HAND.
// (generated by golang.org/x/tools/cmd/godoc/setup-godoc-app.bash)
const (
// .zip filename
zipFilename = "$ZIPFILE"
// goroot directory in .zip file
zipGoroot = "$GOROOT"
// glob pattern describing search index files
// (if empty, the index is built at run-time)
indexFilenames = "$SPLITFILES*"
)
EOF
}
getArgs "$@"
set -e
mkdir $APPDIR
fetchGodoc
makeAppYaml
makeZipfile
makeIndexfile
splitIndexfile
makeConfigfile
echo "*** setup complete"
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