github-ci: factor FreeBSD build into reusable script

.github/workflows/builds.yml

@@ -3410,29 +3410,8 @@ jobs:
           sync: rsync
           copyback: false
           envs: "DEFAULT_CFLAGS"
-          prepare: |
-            pkg install -y \
-              autoconf \
-              automake \
-              gmake \
-              jq \
-              rust-cbindgen \
-              jansson \
-              libpcap \
-              libtool \
-              libyaml \
-              pcre2 \
-              pkgconf \
-              python3 \
-              py312-pyyaml \
-              rust
-          run: |
-            tar xf prep/suricata-verify.tar.gz
-            ./autogen.sh
-            CFLAGS="${DEFAULT_CFLAGS}" ./configure --enable-warnings --enable-unittests
-            gmake -j$(sysctl -n hw.ncpu)
-            ./src/suricata -u -l /tmp/
-            python3 ./suricata-verify/run.py -q --debug-failed
+          prepare: ./qa/ci/freebsd.sh prepare
+          run: ./qa/ci/freebsd.sh run
 
   windows-msys2-mingw64-npcap:
     name: Windows MSYS2 MINGW64 (NPcap)

qa/ci/freebsd.sh

@@ -0,0 +1,62 @@
+#!/bin/sh
+#
+# Build and test on FreeBSD.
+
+set -eux
+
+if [ "$(uname -s)" != "FreeBSD" ]; then
+    echo "ERROR: this script is only supported on FreeBSD" >&2
+    exit 1
+fi
+
+: "${DEFAULT_CFLAGS:=-Wall -Wextra -Werror -Wno-unused-parameter -Wno-unused-function}"
+: "${CPUS:=$(sysctl -n hw.ncpu)}"
+
+prepare()
+{
+    pkg install -y \
+        autoconf \
+        automake \
+        gmake \
+        jq \
+        rust-cbindgen \
+        jansson \
+        libpcap \
+        libtool \
+        libyaml \
+        pcre2 \
+        pkgconf \
+        python3 \
+        py312-pyyaml \
+        rust
+}
+
+run()
+{
+    if [ -f prep/suricata-verify.tar.gz ]; then
+        tar xf prep/suricata-verify.tar.gz
+    fi
+
+    if [ ! -d suricata-verify ]; then
+        echo "ERROR: suricata-verify is required" >&2
+        exit 1
+    fi
+
+    ./autogen.sh
+    CFLAGS="${DEFAULT_CFLAGS}" ./configure --enable-warnings --enable-unittests
+    gmake -j "${CPUS}"
+    ./src/suricata -u -l /tmp/
+    python3 ./suricata-verify/run.py -q --debug-failed
+}
+
+if [ "$#" -eq 0 ]; then
+    prepare
+    run
+elif [ "$#" -eq 1 ] && [ "$1" = "prepare" ]; then
+    prepare
+elif [ "$#" -eq 1 ] && [ "$1" = "run" ]; then
+    run
+else
+    echo "Usage: $0 [prepare|run]" >&2
+    exit 1
+fi