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