From 7b600344251e79b1554b78ed8a972cac2aea4f3f Mon Sep 17 00:00:00 2001
From: John Turner <jturner.usa@gmail.com>
Date: Fri, 28 Nov 2025 17:16:33 +0000
Subject: [PATCH] use gnu parallel to run pre-commit hook check commands in
 parallel

---
 check.sh           | 24 ++++++++----------------
 check_commands.txt |  4 ++++
 2 files changed, 12 insertions(+), 16 deletions(-)
 create mode 100644 check_commands.txt

diff --git a/check.sh b/check.sh
index 3f707f2..1d5bb19 100755
--- a/check.sh
+++ b/check.sh
@@ -1,28 +1,20 @@
 #!/bin/bash
 
 source /etc/profile
+source /lib/gentoo/functions.sh
 
 export PATH="${HOME}/.local/bin:${PATH}" CC=clang CXX=clang++
 
-if command -v ldd; then
-    export LDFLAGS=-fuse-ld=lld
-fi
+ldd=$(command -v ldd)
 
-for file in $(find src -type f -name '*.rs'); do
-    rustfmt --edition 2024 --check ${file} || exit $?
-done
+if [[ -n ${ldd} ]]; then
+    export LDFLAGS=-fuse-ld=${ldd}
+fi
 
 if [[ ! -d build ]]; then
     meson setup -Dfuzz=enabled -Dtests=enabled build || exit $?
 fi
 
-meson compile -C build || exit $?
-
-ninja clippy -C build || exit $?
-
-for test in unittests; do
-    meson test -v ${test} -C build || exit $?
-done
-
-# hack to make sure we use the system meson, since meson format from git is broken
-/usr/bin/meson format --recursive --check-only || exit $?
+ebegin "running check commands"
+parallel --halt soon,fail=1 --keep-order -j$(nproc) < check_commands.txt
+eend $? || exit $?
diff --git a/check_commands.txt b/check_commands.txt
new file mode 100644
index 0000000..f1c34fd
--- /dev/null
+++ b/check_commands.txt
@@ -0,0 +1,4 @@
+/usr/bin/meson format --recursive --check-only
+rustfmt --edition 2024 --check $(find src -type f -name '*.rs')
+ninja clippy -C build
+meson test unittests -C build