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pf-linux-port/scripts/apply-patches.sh
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#!/usr/bin/env bash
# Apply (or verify) the kernel core patch series against a Linux tree.
# Usage: ./scripts/apply-patches.sh /path/to/linux-7.3.4
set -euo pipefail
REPO="$(cd "$(dirname "$0")/.." && pwd)"
K="${1:?usage: apply-patches.sh <kernel-dir>}"
SERIES="$REPO/patches/kernel/series"
[ -d "$K" ] || { echo "no kernel dir $K" >&2; exit 1; }
if [ ! -s "$SERIES" ]; then
echo "patch series is empty (none needed) — nothing to apply"
# still ensure build prep happened (idempotent hint)
[ -f "$K/Module.symvers" ] || echo "note: run scripts/build-kernel.sh first"
exit 0
fi
applied=0
while read -r p; do
[ -n "$p" ] || continue
case "$p" in \#*) continue;; esac
f="$REPO/patches/kernel/$p"
[ -f "$f" ] || { echo "missing $f" >&2; exit 1; }
if git -C "$K" rev-parse >/dev/null 2>&1; then
git -C "$K" am -3 --no-gpg-sign "$f" && applied=$((applied+1))
else
patch -p1 -d "$K" --forward -i "$f" && applied=$((applied+1))
fi
echo "applied: $p (see docs/*/patches.md)"
done < "$SERIES"
echo "PATCHES_APPLIED=$applied"