Created
February 23, 2013 05:12
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rbenv で新しいバージョンをインストールしてついでに gem もごっそり移行する。zsh の補完も効くようにしてみた。.zshrc の compinit に後に。
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| ## completion for gem transition of rbenv | |
| function gem-transition { | |
| local tmpfile=/tmp/current_gem_list | |
| if [ $# -ne 2 ]; then | |
| echo "usage: command version1 version2" | |
| return | |
| fi | |
| rbenv install $2 | |
| rbenv global $1 | |
| rbenv rehash | |
| rehash | |
| gem list | awk '{print $1}' > $tmpfile | |
| rbenv global $2 | |
| rbenv rehash | |
| rehash | |
| gem i `cat $TMP_FILE` | |
| rm $tmpfile | |
| } | |
| function _gem-transition { | |
| local -a _oldversions _newversions | |
| _oldversions=( $(rbenv completions uninstall) ) | |
| _newversions=( $(rbenv completions install) ) | |
| _arguments \ | |
| ':old:($_oldversions)' \ | |
| ':new:($_newversions)' && return 0 | |
| return 1; | |
| } | |
| compdef _gem-transition gem-transition |
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ABI がどこまで同一なのかよくわからんので、いれなおしたほうがはやいと思っているクラスタ