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### Update the "nvm use" command to also alter npm's "prefix" configuration value 

My project makes use of libraries that have what I like to call "special C bits" -- specifically "[zmq](https://github.com/JustinTulloss/zeromq.node)" and "[mongodb](https://github.com/mongodb/node-mongodb-native)" -- which require compilation per version of node. In order to test one module that depends on _zmq_ with multiple node / iojs versions, you'd have to either recompile the _zmq_ library each time you ran the "nvm use" command, OR write a script to install certain libraries (like _zmq_) in separate, version specific global npm prefix directories.

The changes in this pull request would simply run the "npm config set prefix" command to change npm's "prefix" variable to be something other than the default of _/usr_ or _/usr/local_

If it's the case that this is too special casey, please let me know, and consider adding a flag to the "nvm use" command. I'd much rather work from the mainline than my fork.
This commit is contained in:
Dan Racanelli 2015-02-15 22:16:52 -08:00
parent 3d6b7976e7
commit 4574a25e4f
1 changed files with 14 additions and 0 deletions
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14
nvm.sh
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@ -53,6 +53,10 @@ nvm_has_system_iojs() {
[ "$(nvm deactivate >/dev/null 2>&1 && command -v iojs)" != '' ]
}
get_npm_global_prefix() {
echo $(cd $(dirname $(which node))/../ && pwd)
}
# Make zsh glob matching behave same as bash
# This fixes the "zsh: no matches found" errors
if nvm_has "unsetopt"; then
@ -1271,11 +1275,18 @@ nvm() {
return 127
fi
local NPM_GLOBAL_PREFIX
if [ "_$VERSION" = '_system' ]; then
if nvm_has_system_node && nvm deactivate >/dev/null 2>&1; then
NPM_GLOBAL_PREFIX=$(get_npm_global_prefix)
echo Updating npm global "prefix" to ${NPM_GLOBAL_PREFIX}
npm config set prefix ${NPM_GLOBAL_PREFIX}
echo "Now using system version of node: $(node -v 2>/dev/null)."
return
elif nvm_has_system_iojs && nvm deactivate >/dev/null 2>&1; then
NPM_GLOBAL_PREFIX=$(get_npm_global_prefix)
echo Updating npm global "prefix" to ${NPM_GLOBAL_PREFIX}
npm config set prefix ${NPM_GLOBAL_PREFIX}
echo "Now using system version of io.js: $(iojs --version 2>/dev/null)."
return
else
@ -1319,6 +1330,9 @@ nvm() {
else
echo "Now using node $VERSION"
fi
NPM_GLOBAL_PREFIX=$(get_npm_global_prefix)
echo Updating npm global "prefix" to ${NPM_GLOBAL_PREFIX}
npm config set prefix ${NPM_GLOBAL_PREFIX}
;;
"run" )
local provided_version