mac上多个svn版本_where命令

2016-10-08 12:58:08来源:作者:SegmentFault人点击

本篇文章主要目的是:通过一个实例说明 where 命令的用途。

今天,在项目目录下执行svn info突然报错:

ccc ➤ svn infosvn: E155021: This client is too old to work with the working copy at'/Users/luzuheng/PhpstormProjects/vagrant/data/ccc' (format 31).You need to get a newer Subversion client. For more details, see http://subversion.apache.org/faq.html#working-copy-format-change

提示svn版本不够高。

ccc ➤ svn --versionsvn, version 1.7.22 (r1694152) compiled Feb 10 2016, 16:22:46Copyright (C) 2015 The Apache Software Foundation.This software consists of contributions made by many people; see the NOTICEfile for more information.Subversion is open source software, see http://subversion.apache.org/The following repository access (RA) modules are available:* ra_neon : Module for accessing a repository via WebDAV protocol using Neon. - handles 'http' scheme - handles 'https' scheme* ra_svn : Module for accessing a repository using the svn network protocol. - handles 'svn' scheme* ra_local : Module for accessing a repository on local disk. - handles 'file' scheme* ra_serf : Module for accessing a repository via WebDAV protocol using serf. - handles 'http' scheme - handles 'https' scheme

看来确实是版本低了,但是奇怪的是前两天还可以用的,说明我的机器上肯定有多个版本的svn。

确定当前用的是哪个svn:

ccc ➤ which svn/usr/bin/svn

查看机器上有哪些svn:

ccc ➤ where svn/usr/bin/svn/usr/local/bin/svn/usr/bin/svn

果然有多个,至于为啥显示了两次/usr/bin/svn,后面再解决。

ccc ➤ /usr/local/bin/svn --versionsvn, version 1.8.11 (r1643975) compiled Jan 18 2015, 06:42:12 on x86_64-apple-darwin14.1.0Copyright (C) 2014 The Apache Software Foundation.This software consists of contributions made by many people;see the NOTICE file for more information.Subversion is open source software, see http://subversion.apache.org/The following repository access (RA) modules are available:* ra_svn : Module for accessing a repository using the svn network protocol. - with Cyrus SASL authentication - handles 'svn' scheme* ra_local : Module for accessing a repository on local disk. - handles 'file' scheme* ra_serf : Module for accessing a repository via WebDAV protocol using serf. - using serf 1.3.8 - handles 'http' scheme - handles 'https' scheme

/usr/local/bin/svn下的是1.8的,再去项目里执行svn info:

ccc ➤ /usr/local/bin/svn infoPath: .Working Copy Root Path: /XXXXXXXXX/cccURL: http://svnXXXXXXXX/trunkRelative URL: ^/XXX/trunkRepository Root: http://XXXXX/Repository UUID: xxxRevision: xxxxNode Kind: directorySchedule: normalLast Changed Author: aaaLast Changed Rev: xxxxLast Changed Date: 2016-09-21 17:50:31 +0800 (三, 21 9 2016)

果然可以了!

设置一下别名。vim ~/.zshrc 增加一行 alias svn=/usr/local/bin/svn,source一下,再执行svn --version

➜ ccc svn --versionsvn, version 1.8.11 (r1643975) compiled Jan 18 2015, 06:42:12 on x86_64-apple-darwin14.1.0Copyright (C) 2014 The Apache Software Foundation.This software consists of contributions made by many people;see the NOTICE file for more information.Subversion is open source software, see http://subversion.apache.org/The following repository access (RA) modules are available:* ra_svn : Module for accessing a repository using the svn network protocol. - with Cyrus SASL authentication - handles 'svn' scheme* ra_local : Module for accessing a repository on local disk. - handles 'file' scheme* ra_serf : Module for accessing a repository via WebDAV protocol using serf. - using serf 1.3.8 - handles 'http' scheme - handles 'https' scheme

OK了!

再回头看where svn的时候为啥显示了两次/usr/bin/svn。怀疑跟环境变量PATH有关

ccc ➤ echo $PATH/usr/local/Cellar/php55/5.5.22/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin

果然有两个 /usr/bin,同样/bin 和 /usr/sbin 和 /sbin 也有两个。

查看zsh配置:

ccc ➤ cat ~/.zshrc|grep PATHexport PATH="/usr/local/Cellar/php55/5.5.22/bin:/usr/bin:/bin:/usr/sbin:/sbin:$PATH"

原来问题出在这,修改文件后, source ~/.zshrc,然后再看

➜ ccc where svnsvn: aliased to /usr/local/bin/svn/usr/local/bin/svn/usr/bin/svn

OK了,因为svn的问题发现环境变量配置的错误,也算XXXX。 求XXXX这个成语……想不出来。。。

后续:

隔了两个小时,突然想到where svn结果显示顺序是按照PATH环境变量优先级来的,前两天项目中svn info还是可用的,今天突然不能用的原因就是昨天我调整了PATH,也就是说现在我修复完PATH之后不用别名也是优先使用的1.8版本的svn。 确认一下,先删除alias,然后:

└─[$]> where svn/usr/local/bin/svn/usr/bin/svn─[$]> svn --versionsvn, version 1.8.11 (r1643975) compiled Jan 18 2015, 06:42:12 on x86_64-apple-darwin14.1.0Copyright (C) 2014 The Apache Software Foundation.This software consists of contributions made by many people;see the NOTICE file for more information.Subversion is open source software, see http://subversion.apache.org/The following repository access (RA) modules are available:* ra_svn : Module for accessing a repository using the svn network protocol. - with Cyrus SASL authentication - handles 'svn' scheme* ra_local : Module for accessing a repository on local disk. - handles 'file' scheme* ra_serf : Module for accessing a repository via WebDAV protocol using serf. - using serf 1.3.8 - handles 'http' scheme - handles 'https' scheme

果然啊…… 原来PATH错误才是导致项目里svn突然用不了的罪魁祸首!!!

之前还在庆幸因为svn问题发现了PATH错误……

蜜汁尴尬。。。

继续求一发 XXXX 成语...

语死早。。。

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