gem installed binaries require rbenv rehash about rbenv HOT 10 CLOSED

We don't want to override the gem bin with a shell script.

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I meant... I guess the problem is it's hard to get an "after" hook when you're using exec... hmmm...

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That area is best left to a rbenv plugin then.

I'm working on some stuff that'd make it easier to write simple shell extensions.

#57

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How might that work? Are you suggesting a rbenv "geminstall" plugin?

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You could either define a gem shell function and inject that way. Or there are some official methods if you created a "rubygems plugin", search for Gem.post_install_hooks.

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function gem ()
{
cmd=$1
command gem $@
if [ $cmd = "install" ]; then
  rbenv rehash 2>/dev/null
fi
}

I'm not sure where to contribute this though... could it go in rbenv-init? It seems kind of silly as a one-off plugin with it's own install script, etc...

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One of rbenv's "features" is that it doesn't override any commands with shell commands. So we're going to keep stuff like that out of core.

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How would one go about writing a "plugin" for this kind of thing? Pick an unused command such as "gempostinstallhook" and create a rbenv-gempostinstallhook and then recommend users then call that in their bashrc like they do "init"? :-)

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You might want to take a look at my rbenv-gemset, which extends rbenv using the plugin infrastructure that rbenv provides, You could probably do some of what you're talking about with a plugin that extends rbenv exec, looks to see if the command being executed is "gem", and if it is, hijacks the call and does its own thing. The drawback is that the installation procedure for these plugins is a little less transparent than I'd like (see "rbenv gemset install").

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https://github.com/scoz/rbenv-rehash

Threw together a quick plugin to rehash once after installing gems with executables. Really new at this so if I did something wrong feel free to correct :)

tl/dr gem install rbenv-rehash

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