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2014年12月17日 #

系統(tǒng)cvs to Git 遷移

遷移簡(jiǎn)介

應(yīng)用工具：cvs2git

工作原理：文件系統(tǒng)的copy, from cvs repository to export temp file, then import to Git repository.

使用條件: Git version 1.5.4.4 or later (我們的目標(biāo) git 庫版本：

git --version

git version 1.9.0

git --version
git version 1.9.0

cvs2git工具安裝

遷移過程

具體的遷移過程：

以下為遷移wxxr-core-framework

1. 在123.1上用cvs2git把cvs倉庫，導(dǎo)出成git的備份文件（blob file and dump file）

cvs2git --blobfile=/tmp/cvs2git/output/git-blob-cfw.dat --dumpfile=/tmp/cvs2git/output/git-dump-cfw.dat --username=zhangjunqing --fallback-encoding=GBK /app/cvsroot/wxxr-projects/wxxr-core-framework
創(chuàng)建本地git倉庫
- git init --bare wxxr-core-framework.git

下載導(dǎo)出的git的備份文件到本地臨時(shí)目錄 **
- cd /Users/zhangjq/temp/cvs2git
- scp -r djboss@192.168.123.1:/tmp/cvs2git/output/git-* .
用git的fast-import命令把從cvs導(dǎo)出的git備份文件導(dǎo)入剛創(chuàng)建的git倉庫** cd /Users/zhangjq/git/wxxr-core-framework/wxxr-core-framework.git** cat /Users/zhangjq/temp/cvs2git/git-blob-cfw.dat /Users/zhangjq/temp/cvs2git/git-dump-cfw.dat | git fast-import
在Stash 上創(chuàng)建遠(yuǎn)程倉庫** 創(chuàng)建了framework-core 倉庫集，并在此倉庫集下創(chuàng)建了wxxr-core-framework, wxxr-core-web 等遠(yuǎn)程倉庫**http://developer.corp.wxxr.com.cn/git/projects/FRMCORE/repos/wxxr-core-framework/browse
在本地執(zhí)行** git branch -D TAG.FIXUP (執(zhí)行g(shù)it branch -a 沒有找到這個(gè)分支，為什么刪除？error: branch 'TAG.FIXUP' not found. )

- git gc --prune=now

- git remote add origin http://xxxxx@developer.corp.wxxr.com.cn/git/scm/frmcore/wxxr-core-framework.git

- git push --all origin (將本地的所有分支都推送到遠(yuǎn)程主機(jī))
- git push -~~tags origin (最后，git push不會(huì)推送標(biāo)簽（tag），除非使用~~-tags選項(xiàng)。)
至此，完成了wxxr-core-framework的遷移。下一步執(zhí)行比較驗(yàn)證。

Git 時(shí)不時(shí)地將這些對(duì)象打包至一個(gè)叫 packfile 的二進(jìn)制文件以節(jié)省空間并提高效率。當(dāng)倉庫中有太多的松散對(duì)象，或是手工調(diào)用git gc 命令，或推送至遠(yuǎn)程服務(wù)器時(shí)，Git 都會(huì)這樣做。

附：遷移腳本

遷移驗(yàn)證

用本地cvs代碼庫代碼與git下載的庫代碼比較，有$Revision$ 的少版本信息外，其它一切正常。

遷移報(bào)告

wxxr-core-framework

cvs2svn Statistics:
------------------
Total CVS Files:              3000
Total CVS Revisions:          9439
Total CVS Branches:          33449
Total CVS Tags:            3278944
Total Unique Tags:            2446
Total Unique Branches:          24
CVS Repos Size in KB:       159751
Total SVN Commits:            5260
First Revision Date:    Wed May 31 15:56:03 2006
Last Revision Date:     Sun Jan  4 17:22:23 2015
------------------
Timings (seconds):
------------------
1065   pass1    CollectRevsPass
0   pass2    CleanMetadataPass
0   pass3    CollateSymbolsPass
648   pass4    FilterSymbolsPass
1   pass5    SortRevisionsPass
37   pass6    SortSymbolsPass
436   pass7    InitializeChangesetsPass
82   pass8    BreakRevisionChangesetCyclesPass
82   pass9    RevisionTopologicalSortPass
296   pass10   BreakSymbolChangesetCyclesPass
406   pass11   BreakAllChangesetCyclesPass
413   pass12   TopologicalSortPass
319   pass13   CreateRevsPass
159   pass14   SortSymbolOpeningsClosingsPass
15   pass15   IndexSymbolsPass
432   pass16   OutputPass
4391   total

fast-import wxxr-core-framework source code:

git-fast-import statistics:
---------------------------------------------------------------------
Alloc'd objects:      45000
Total objects:        41365 (      2260 duplicates                  )
blobs  :         7817 (       709 duplicates       6887 deltas of       7248 attempts)
trees  :        30677 (      1551 duplicates      12608 deltas of      29589 attempts)
commits:         2871 (         0 duplicates          0 deltas of          0 attempts)
tags   :            0 (         0 duplicates          0 deltas of          0 attempts)
Total branches:        2472 (        24 loads     )
marks:     1073741824 (     11397 unique    )
atoms:           2772
Memory total:          4532 KiB
pools:          2423 KiB
objects:          2109 KiB
---------------------------------------------------------------------
pack_report: getpagesize()            =       4096
pack_report: core.packedGitWindowSize = 1073741824
pack_report: core.packedGitLimit      = 8589934592
pack_report: pack_used_ctr            =      23737
pack_report: pack_mmap_calls          =        824
pack_report: pack_open_windows        =          1 /          1
pack_report: pack_mapped              =    7439224 /    7439224
---------------------------------------------------------------------

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posted @ 2015-01-13 18:53 java光環(huán) 閱讀(731) | 評(píng)論 (0) | 編輯收藏

異常：java.lang.ArrayIndexOutOfBoundsException: 48188

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-plugin-plugin:3.2:helpmojo (generate-help-mojo) on project wxxr-build-maven-plugin: Execution generate-help-mojo of goal org.apache.maven.plugins:maven-plugin-plugin:3.2:helpmojo failed: 48188 -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-plugin-plugin:3.2:helpmojo (generate-help-mojo) on project wxxr-build-maven-plugin: Execution generate-help-mojo of goal org.apache.maven.plugins:maven-plugin-plugin:3.2:helpmojo failed: 48188
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:224)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:108)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:76)
    at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:116)
    at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:361)
    at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:155)
    at org.apache.maven.cli.MavenCli.execute(MavenCli.java:584)
    at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:213)
    at org.apache.maven.cli.MavenCli.main(MavenCli.java:157)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: org.apache.maven.plugin.PluginExecutionException: Execution generate-help-mojo of goal org.apache.maven.plugins:maven-plugin-plugin:3.2:helpmojo failed: 48188
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:144)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
    ... 19 more
Caused by: java.lang.ArrayIndexOutOfBoundsException: 48188
    at org.objectweb.asm.ClassReader.readClass(Unknown Source)
    at org.objectweb.asm.ClassReader.accept(Unknown Source)
    at org.objectweb.asm.ClassReader.accept(Unknown Source)
    at org.apache.maven.tools.plugin.annotations.scanner.DefaultMojoAnnotationsScanner.scanFile(DefaultMojoAnnotationsScanner.java:139)
    at org.apache.maven.tools.plugin.annotations.scanner.DefaultMojoAnnotationsScanner.scan(DefaultMojoAnnotationsScanner.java:85)
    at org.apache.maven.tools.plugin.annotations.JavaAnnotationsMojoDescriptorExtractor.scanAnnotations(JavaAnnotationsMojoDescriptorExtractor.java:125)
    at org.apache.maven.tools.plugin.annotations.JavaAnnotationsMojoDescriptorExtractor.execute(JavaAnnotationsMojoDescriptorExtractor.java:104)
    at org.apache.maven.tools.plugin.scanner.DefaultMojoScanner.populatePluginDescriptor(DefaultMojoScanner.java:108)
    at org.apache.maven.plugin.plugin.AbstractGeneratorMojo.execute(AbstractGeneratorMojo.java:233)
    at org.apache.maven.plugin.plugin.HelpGeneratorMojo.execute(HelpGeneratorMojo.java:88)
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:133)
    ... 20 more
[ERROR]
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginExecutionException

臨時(shí)解決辦法：將commons-jelly 版本由1.0改為1.0-RC1
        <dependency>
            <groupId>commons-jelly</groupId>
            <artifactId>commons-jelly</artifactId>
            <version>1.0-RC1</version>
        </dependency>

posted @ 2014-12-17 15:27 java光環(huán) 閱讀(3694) | 評(píng)論 (0) | 編輯收藏

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