How do I get IntelliJ Terminal to work properly with Oh My Zsh?

Question

I love Oh My Zsh, but it has never worked properly in the JetBrains product's Terminals:

• cannot find executables
• cannot use version managers like pyenv, sdkman, rvm

Oh My Zsh is zsh shell augmentation, so the actual problem could be reduced to just getting zsh to work properly. I have tried toggling all of the Terminal config options (individually and en masse) after reading some intellij issues, to an avail.

ref: https://github.com/robbyrussell/oh-my-zsh

Solution 1

Can't find binaries, can't run stuff? Obviously a $PATH problem, but what and why?

I echo'd a known good path in iTerm2

/Users/starver/.sdkman/candidates/maven/current/bin:/Users/starver/.sdkman/candidates/groovy/current/bin:/Users/starver/.sdkman/candidates/gradle/current/bin:/usr/local/Cellar/pyenv-virtualenv/1.1.3/shims:/Users/starver/.pyenv/shims:/Users/starver/.pyenv/bin:/Users/starver/.cargo/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/go/bin:/opt/X11/bin:/usr/local/git/bin:/Users/starver/bin/:/Users/starver/code/go/bin/:/Users/starver/.rvm/bin

and in IntelliJ:

/usr/bin:/bin:/usr/sbin:/sbin

This hints at a startup file loading problem. My zsh man page says the load order should be:

• /etc/zshenv
• $ZDOTDIR/.zshenv
• If a login shell:
  • /etc/zprofile
  • $ZDOTDIR/.zprofile
• If an interactive shell:
  • /etc/zshrc
  • $ZDOTDIR/.zshrc
• If a login shell:
  • /etc/zlogin
  • $ZDOTDIR/.zlogin

After adding an echo to each of those files that existed, I got the following for iTerm2:

/etc/zprofile
/Users/starver/.zprofile
/etc/zshrc
/Users/starver/.zshrc
/Users/starver/.zlogin

and this in IntelliJ

/etc/zshrc
/Users/starver/.zshrc

IntelliJ thinks this is not a login shell. In Jetbrains terminal configuration, you cannot enter /bin/zsh --login; it has no effect. After playing a bit, I found that turning on Tools -> Terminal -> Shell Integration makes the terminal a "login shell" and the startup file load story improved a bit:

/etc/zshrc
/Users/starver/.zprofile
/Users/starver/.zshrc
/Users/starver/.zlogin

Notice that none of the global zsh startup files and this is the root problem: /etc/zprofile contains:

# system-wide environment settings for zsh(1)
if [ -x /usr/libexec/path_helper ]; then
    eval `/usr/libexec/path_helper -s`
fi

which man path_helper explains:

The path_helper utility reads the contents of the files in the directories /etc/paths.d and /etc/manpaths.d and appends their contents to the PATH and MANPATH environment variables respectively. (The MANPATH environment variable will not be modified unless it is already set in the environment.)

Executing path_helper at least once during shell startup is REALLY important: paths and paths.d are where the system and third party installers define their path additions. Not executing the system profile startup file is why /usr/local/bin, /usr/local/go, etc. are not on the path.

I tried several approaches, looking for an elegant solution. Apparently, the jediterm terminal implementation prevents hooking into a standard terminal startup process - so they implement startup file loading in /Applications/IntelliJ IDEA.app/Contents/plugins/terminal/.zshrc. We can fix that implementation!! Replace that file with:

#!/bin/zsh

# starver mod
# Jetbrains uses jediterm as a java terminal emulator for all terminal uses.
# There are some apparent limits on use:
# - must use old-style shebang - not the #!/usr/bin/env zsh
# - must implement the startup file loading here
#
# Note: original contents are in lib/terminal.jar

# mappings for Ctrl-left-arrow and Ctrl-right-arrow for word moving
bindkey '^[^[[C' forward-word
bindkey '^[^[[D' backward-word

ZDOTDIR=$_OLD_ZDOTDIR

if [ -n "$JEDITERM_USER_RCFILE" ]
then
  source "$JEDITERM_USER_RCFILE"
  unset JEDITERM_USER_RCFILE
fi

if [ -n "$ZDOTDIR" ]
then
  DOTDIR=$ZDOTDIR
else
  DOTDIR=$HOME
fi

if [ -f "/etc/zshenv" ]; then
     source "/etc/zshenv"
fi

if [ -f "$DOTDIR/.zshenv" ]; then
     source "$DOTDIR/.zshenv"
fi

if [ -n $LOGIN_SHELL ]; then
  if [ -f "/etc/zprofile" ]; then
       source "/etc/zprofile"
  fi
  if [ -f "$DOTDIR/.zprofile" ]; then
       source "$DOTDIR/.zprofile"
  fi
fi

if [ -f "/etc/zshrc" ]; then
     source "/etc/zshrc"
fi

if [ -f "$DOTDIR/.zshrc" ]; then
     source "$DOTDIR/.zshrc"
fi

if [ -n $LOGIN_SHELL ]; then
  if [ -f "/etc/zlogin" ]; then
       source "/etc/zlogin"
  fi
  if [ -f "$DOTDIR/.zlogin" ]; then
       source "$DOTDIR/.zlogin"
  fi
fi

if [ -n "$JEDITERM_SOURCE" ]
then
  source $(echo $JEDITERM_SOURCE)
  unset JEDITERM_SOURCE
fi

Now, on IntelliJ terminal startup, I see

/etc/zshrc
/etc/zprofile
/Users/starver/.zprofile
/Users/starver/.shell-common
/etc/zshrc
/Users/starver/.zshrc
/Users/starver/.zlogin

The first /etc/zshrc is executed before the plugin's .zshrc, nothing I can do about that, and it is not causing any bad side effects...

Repeat the process for every JetBrains product and you can have the joy that is Oh My Zsh everywhere.

Note: Issue reported to JetBrains in https://youtrack.jetbrains.com/issue/IDEA-194488.

Solution 2

In my case, using MacOSX, I just change the Shell Path Preferences -> Tools -> Terminal -> Application Settings -> Shell path

Replace /bin/sh with /bin/zsh

Solution 3

Try to uncomment first string in ~/.zshrc:

# If you come from bash you might have to change your $PATH.
export PATH=$HOME/bin:/usr/local/bin:$PATH

It helped me.

Solution 4

zsh --login --interactive

Worked for me as terminal command, or for short:

zsh -li

This will load /etc/zprofile in Mac and all login scripts.

Solution 5

I can confirm everything in this answer, but there is a simpler workaround based on the fact, that loading path_helper twice doesn't matters.

So until JetBrains fixes their Terminal plugin, just put source /etc/zprofile to your ~/.zshrc file and profit!

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