mirror of
https://github.com/minio/mc.git
synced 2025-11-13 12:22:45 +03:00
125 lines
3.6 KiB
Go
125 lines
3.6 KiB
Go
/*
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* Minio Client (C) 2015 Minio, Inc.
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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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*/
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package main
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import (
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"github.com/minio/cli"
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"github.com/minio/mc/pkg/console"
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"github.com/minio/minio/pkg/iodine"
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)
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// runDiffCmd - is a handler for mc diff command
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func runDiffCmd(ctx *cli.Context) {
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if len(ctx.Args()) != 2 || ctx.Args().First() == "help" {
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cli.ShowCommandHelpAndExit(ctx, "diff", 1) // last argument is exit code
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}
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if !isMcConfigExist() {
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console.Fatalln("\"mc\" is not configured. Please run \"mc config generate\".")
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}
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config, err := getMcConfig()
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if err != nil {
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console.Fatalf("Unable to read config file [%s]. Reason: [%s].\n", mustGetMcConfigPath(), iodine.ToError(err))
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}
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firstURL := ctx.Args().First()
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secondURL := ctx.Args()[1]
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firstURL, err = getExpandedURL(firstURL, config.Aliases)
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if err != nil {
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switch iodine.ToError(err).(type) {
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case errUnsupportedScheme:
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console.Fatalf("Unknown type of URL [%s].\n", firstURL)
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default:
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console.Fatalf("Unable to parse argument [%s]. Reason: [%s].\n", firstURL, iodine.ToError(err))
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}
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}
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_, err = getHostConfig(firstURL)
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if err != nil {
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console.Fatalf("Unable to read host configuration for [%s] from config file [%s]. Reason: [%s].\n",
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firstURL, mustGetMcConfigPath(), iodine.ToError(err))
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}
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_, err = getHostConfig(secondURL)
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if err != nil {
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console.Fatalf("Unable to read host configuration for [%s] from config file [%s]. Reason: [%s].\n",
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secondURL, mustGetMcConfigPath(), iodine.ToError(err))
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}
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secondURL, err = getExpandedURL(secondURL, config.Aliases)
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if err != nil {
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switch iodine.ToError(err).(type) {
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case errUnsupportedScheme:
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console.Fatalf("Unknown type of URL [%s].\n", secondURL)
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default:
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console.Fatalf("Unable to parse argument [%s]. Reason: [%s].\n", secondURL, iodine.ToError(err))
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}
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}
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for diff := range doDiffCmd(firstURL, secondURL) {
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if diff.err != nil {
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console.Fatalf(diff.message)
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}
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console.Infof(diff.message)
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}
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}
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func doDiffInRoutine(firstURL, secondURL string, ch chan diff) {
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_, firstContent, err := url2Stat(firstURL)
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if err != nil {
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ch <- diff{
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message: "Failed to stat " + firstURL + ". Reason: [" + iodine.ToError(err).Error() + "]\n",
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err: iodine.New(err, nil),
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}
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return
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}
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_, secondContent, err := url2Stat(secondURL)
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if err != nil {
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ch <- diff{
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message: "Failed to stat " + secondURL + ". Reason: [" + iodine.ToError(err).Error() + "]\n",
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err: iodine.New(err, nil),
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}
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return
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}
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if firstContent.Type.IsRegular() {
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if !secondContent.Type.IsRegular() {
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ch <- diff{
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message: firstURL + " and " + secondURL + " differs in type.\n",
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err: nil,
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}
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}
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doDiffObjects(firstURL, secondURL, ch)
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}
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if firstContent.Type.IsDir() {
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if !secondContent.Type.IsDir() {
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ch <- diff{
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message: firstURL + " and " + secondURL + " differs in type.\n",
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err: nil,
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}
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}
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doDiffDirs(firstURL, secondURL, ch)
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}
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close(ch)
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}
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// doDiffCmd - Execute the diff command
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func doDiffCmd(firstURL, secondURL string) <-chan diff {
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ch := make(chan diff)
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go doDiffInRoutine(firstURL, secondURL, ch)
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return ch
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}
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