krata: rewrite all repo infrastructure

scripts/kernel/build.sh

@@ -0,0 +1,56 @@
+#!/bin/sh
+set -e
+
+REAL_SCRIPT="$(realpath "${0}")"
+cd "$(dirname "${REAL_SCRIPT}")/../.."
+KRATA_DIR="${PWD}"
+KERNEL_DIR="${KRATA_DIR}/kernel"
+
+cd "${KRATA_DIR}"
+
+# shellcheck source=../../kernel/config.sh
+. "${KERNEL_DIR}/config.sh"
+KERNEL_SRC="${KERNEL_DIR}/linux-${KERNEL_VERSION}"
+
+if [ ! -f "${KERNEL_SRC}/Makefile" ]
+then
+  rm -rf "${KERNEL_SRC}"
+  curl --progress-bar -L -o "${KERNEL_SRC}.txz" "${KERNEL_SRC_URL}"
+  tar xf "${KERNEL_SRC}.txz" -C "${KERNEL_DIR}"
+  rm "${KERNEL_SRC}.txz"
+fi
+
+OUTPUT_DIR="${KRATA_DIR}/target/kernel"
+mkdir -p "${OUTPUT_DIR}"
+
+TARGET_ARCH="$(KRATA_ARCH_KERNEL_NAME=1 ./scripts/build/arch.sh)"
+
+KERNEL_CONFIG_FILE="${KERNEL_DIR}/krata-${TARGET_ARCH}.config"
+
+if [ ! -f "${KERNEL_CONFIG_FILE}" ]
+then
+  echo "ERROR: kernel config file not found for ${TARGET_ARCH}" > /dev/stderr
+  exit 1
+fi
+
+cp "${KERNEL_CONFIG_FILE}" "${KERNEL_SRC}/.config"
+make -C "${KERNEL_SRC}" ARCH="${TARGET_ARCH}" "${@}" olddefconfig
+
+if [ "${TARGET_ARCH}" = "x86_64" ]
+then
+  make -C "${KERNEL_SRC}" ARCH="${TARGET_ARCH}" "${@}" bzImage
+elif [ "${TARGET_ARCH}" = "arm64" ]
+then
+  make -C "${KERNEL_SRC}" ARCH="${TARGET_ARCH}" "${@}" Image.gz
+fi
+
+if [ "${TARGET_ARCH}" = "x86_64" ]
+then
+  cp "${KERNEL_SRC}/arch/x86/boot/bzImage" "${OUTPUT_DIR}/kernel"
+elif [ "${TARGET_ARCH}" = "arm64" ]
+then
+  cp "${KERNEL_SRC}/arch/arm64/boot/Image.gz" "${OUTPUT_DIR}/kernel"
+else
+  echo "ERROR: unable to determine what file is the vmlinuz for ${TARGET_ARCH}" > /dev/stderr
+  exit 1
+fi

scripts/kernel/clean.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+set -e
+
+REAL_SCRIPT="$(realpath "${0}")"
+cd "$(dirname "${REAL_SCRIPT}")/../.."
+KRATA_DIR="${PWD}"
+KERNEL_DIR="${KRATA_DIR}/kernel"
+
+# shellcheck disable=SC2010
+for ITEM in $(ls "${KERNEL_DIR}" | grep "^linux-")
+do
+  rm -rf "${KERNEL_DIR:?}/${ITEM}"
+done