Sass 安装 及其常见错误的解决办法

JamesRen 2017-09-27

Sass是一种css的开发工具,它的安装依赖Ruby,没有安装Ruby的请先安装Ruby。

假定你已经安装了Ruby,则可以直接执行如下语句进行安装。

gem install sass

 常见错误提示:

1、ERROR:  While executing gem ... (OpenSSL::SSL::SSLError)

    hostname "gems.ruby-china.org" does not match the server certificate

解决办法:

执行命令,查看数据源

 

gem source -l

 结果

 

*** CURRENT SOURCES ***

https://ruby.taobao.org/
https://gems.ruby-china.org

则可以删除多余的

gem sources --remove https://ruby.taobao.org/
sudo gem update --system

 然后重新安装。

2、ERROR:  SSL verification error at depth 1: unable to get local issuer certificate (20)

ERROR:  You must add /O=Digital Signature Trust Co./CN=DST Root CA X3 to your local trusted store

Fetching: ffi-1.9.18.gem ( 32%)ERROR:  SSL verification error at depth 2: self signed certificate in certificate chain (19)

ERROR:  Root certificate is not trusted (/C=US/O=GeoTrust Inc./CN=GeoTrust Global CA)

ERROR:  While executing gem ... (OpenSSL::SSL::SSLError)

    hostname "gems.ruby-china.org" does not match the server certificate

 

3、ERROR:  SSL verification error at depth 1: unable to get local issuer certificate (20)

ERROR:  You must add /O=Digital Signature Trust Co./CN=DST Root CA X3 to your local trusted store

Fetching: ffi-1.9.18.gem (100%)

Building native extensions.  This could take a while...

Successfully installed ffi-1.9.18

ERROR:  SSL verification error at depth 2: self signed certificate in certificate chain (19)

ERROR:  Root certificate is not trusted (/C=US/O=GeoTrust Inc./CN=GeoTrust Global CA)

Fetching: rb-inotify-0.9.10.gem (100%)

Successfully installed rb-inotify-0.9.10

Fetching: sass-listen-4.0.0.gem (100%)

Successfully installed sass-listen-4.0.0

Fetching: sass-3.5.1.gem (100%)

ERROR:  While executing gem ... (Errno::EPERM)

    Operation not permitted - /usr/bin/sass

 

遇到以上错误 2和3的解决办法

 

sudo gem install -n /usr/local/bin sass

 查看 

sass -v

 则会正确显示Sass版本号。

2017年12月28日更新:

Mac更新系统后,Ruby由2.0升级到2.3,再次使用Sass时候,发现报错。

于是决定升级SaaS,重新安装时遇到错误。最后找到解决方案:

先安装libgmp-dev,再重新安装即可。

brew install libgmp-dev
sudo gem install -n /usr/local/bin sass

 

 

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