// Copyright 2019 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"flag"
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"fmt"
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"os"
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"strings"
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)
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var (
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whitelists = newMultiString("whitelist", "whitelist patterns in the form <pattern>[:<regex of line to ignore>]")
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whitelistFiles = newMultiString("whitelist_file", "files containing whitelist definitions")
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filters = newMultiString("filter", "filter patterns to apply to files in target-files.zip before comparing")
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)
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func newMultiString(name, usage string) *multiString {
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var f multiString
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flag.Var(&f, name, usage)
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return &f
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}
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type multiString []string
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func (ms *multiString) String() string { return strings.Join(*ms, ", ") }
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func (ms *multiString) Set(s string) error { *ms = append(*ms, s); return nil }
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func main() {
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flag.Parse()
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if flag.NArg() != 2 {
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fmt.Fprintf(os.Stderr, "Error, exactly two arguments are required\n")
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os.Exit(1)
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}
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whitelists, err := parseWhitelists(*whitelists, *whitelistFiles)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error parsing whitelists: %v\n", err)
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os.Exit(1)
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}
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priZip, err := NewLocalZipArtifact(flag.Arg(0))
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error opening zip file %v: %v\n", flag.Arg(0), err)
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os.Exit(1)
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}
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defer priZip.Close()
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refZip, err := NewLocalZipArtifact(flag.Arg(1))
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error opening zip file %v: %v\n", flag.Arg(1), err)
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os.Exit(1)
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}
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defer refZip.Close()
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diff, err := compareTargetFiles(priZip, refZip, targetFilesPattern, whitelists, *filters)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error comparing zip files: %v\n", err)
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os.Exit(1)
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}
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fmt.Print(diff.String())
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if len(diff.modified) > 0 || len(diff.onlyInA) > 0 || len(diff.onlyInB) > 0 {
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fmt.Fprintln(os.Stderr, "differences found")
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os.Exit(1)
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}
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}
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