From 146f1a2ccd1d26c6024054ed98023059b31d6ddc Mon Sep 17 00:00:00 2001
From: Alex Povel <git@alexpovel.de>
Date: Sat, 29 Jul 2023 10:51:39 +0200
Subject: [PATCH] fix: Onboarding with global `pip install`

---
 Justfile | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/Justfile b/Justfile
index 06ca9a8..ea08d52 100644
--- a/Justfile
+++ b/Justfile
@@ -7,10 +7,16 @@ set windows-shell := ["pwsh.exe", "-NoLogo", "-Command"]
 set ignore-comments := true
 
 # Runs onboarding steps, installing dependencies and setting up the environment.
-onboard:
-    pip install pre-commit && pre-commit install --hook-type pre-push --hook-type pre-commit --hook-type commit-msg
+onboard: install-pre-commit install-afl
+    pre-commit install --hook-type pre-push --hook-type pre-commit --hook-type commit-msg
     cargo install cargo-tarpaulin
 
+# Installs pre-commit, the program.
+[unix]
+install-pre-commit:
+    # From Debian 12, `pip install` globally is an error ("This environment is externally managed.")
+    command -v pre-commit > /dev/null || { pip install pre-commit || sudo apt-get update && sudo apt-get install --yes pre-commit; }
+
 # Runs fuzz testing.
 [unix]
 fuzz: install-afl