I have a Bash tab-completion script for Apache's Hadoop. Normally, I use zsh as my day-to-day shell. It tends to be pretty bash-like when I need it to be, but it looks like the tab-completion systems are radically different between them. Is there a simple way to "convert" the existing bash-tab-completion definitions to work in zsh? I don't want to invest a ton of time in this, but if it's easy I'd save a moderate amount of effort.
6 Answers
I am running Antigen as a Oh-My-Zsh plugin manager. I had a few bash completion scripts written by coworkers that I wanted to load into Zsh with a simple source /path/to/completion.
I had some trouble, because it seems like either Antigen or OMZ (hard to tell) concern themselves with only loading completion scripts from their plugins. I finally got around this by autoloading bashcompinit and compinit after antigen apply. Simply autoloading bashcompinit wasn't enough.
source ~/.antigen/antigen.zsh
antigen use oh-my-zsh
antigen apply
autoload -U +X compinit && compinit
autoload -U +X bashcompinit && bashcompinit
source /path/to/bash_completion
Antigen creates its .zcompdump file at $ANTIGEN_COMPDUMP which for me was ~/.antigen/.zcompdump
The re-invoke of compinit and bashcompinit create a second .zcompdump at $HOME/.zcompdump
That seems to all work out, because I am able to use the completions set up by /path/to/bash_completion. I've deleted both .zcompdump files a few times to make sure they're regenerated and seems to work.
I've had to rm the .zcompdump files a few times after a machine reboot because of errors thrown when trying to tab complete, but I'm unsure if that's due to this set up or something else. rm ~/.zcompdump && rm $ANTIGEN_COMPDUMP and a new shell fixes that for me.
Versions used at time of writing:
Antigen = v2.2.3 = d3d4ee0
Oh-my-zsh = c3b072e
Zsh = 5.3
@JatinKumar's answer got me on the right track, but I had to use complete instead of source. So all together:
autoload -Uz compinit && compinit
autoload -U +X bashcompinit && bashcompinit
complete -C /usr/local/bin/terraform terraform
complete -C /usr/local/aws/bin/aws_completer aws
complete -C /usr/local/bin/az az
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