move patching into prepare()

PKGBUILD

@@ -19,6 +19,15 @@ sha256sums=('SKIP'
             '88cba2eebd12079bf3a4a8c5ba4ed34b1b5ccd9f9ac3fa518f1591396176666d'
             '96218ef5b7d6d6deb3a7b4b3dfed8068b7e4d10acd5b19372b9882f89d4478a8')
 
+prepare() {
+  cd osquery
+
+  git submodule update --init --recursive
+
+  (cd $srcdir/osquery/libraries/cmake/source/libaudit/src && patch -p1 < $srcdir/libaudit.patch)
+  (cd $srcdir/osquery/libraries/cmake/source/ebpfpub/src/ && git submodule update --init && cd libraries/ebpf-common/src/ && patch -p1 < $srcdir/ebpf-common.patch)
+}
+
 build() {
   cd osquery
 
@@ -26,10 +35,6 @@ build() {
       -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr -DOSQUERY_VERSION=$pkgver \
       -G Ninja -S . -B build
 
-  # submodules are checked out by cmake, patch it after it were checked out
-  (cd $srcdir/osquery/libraries/cmake/source/libaudit/src && git reset --hard && patch -p1 < $srcdir/libaudit.patch)
-  (cd $srcdir/osquery/libraries/cmake/source/ebpfpub/src && git reset --hard && git submodule update --init && cd libraries/ebpf-common/src && git reset --hard && patch -p1 < $srcdir/ebpf-common.patch)
-
   ninja -C build
 }