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await-env

v1.0.3

Published

Wait for an environment variable to be present in the systemd environment, then execute a command

Downloads

6

Vulnerabilities

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Links

Git

Maintainers

rektiderektide

Keywords

Readme

await-env

Wait for an environment variable to be present in the systemd environment, then execute a command

Usage

await-env [variable-name] [command...] will:

  1. Loop, running systemd --user show-environment until a variable variable-name is found.
  2. Then, after the variable is found, it will exec command, with any arguments that follow

Historically I've had issues getting systemd to start a graphical target at the right time. There is a graphical.target that I expect is all I need before launching a program, but my success actually gating service launches via this hasn't materialized and I don't know why. By doing an Exec=/usr/bin/await-env DISPLAY xlogo, I expect xlogo service will only start in fact after DISPLAY becomes available, which ought accomplish what I the user expected After=graphical.target to achieve.