Add multiple initrd file support to kernel-install

[thirdparty/systemd.git] / src / kernel-install / 90-loaderentry.install

diff --git a/src/kernel-install/90-loaderentry.install b/src/kernel-install/90-loaderentry.install
index a0bca05c9a17579d7a4bc5b80bad948fdc65d173..e5fb232f35c24826fadc97d99042a41d367fd59c 100644 (file)
--- a/src/kernel-install/90-loaderentry.install
+++ b/src/kernel-install/90-loaderentry.install
@@ -6,21 +6,25 @@ COMMAND="$1"
 KERNEL_VERSION="$2"
 BOOT_DIR_ABS="$3"
 KERNEL_IMAGE="$4"
+INITRD_OPTIONS_START="5"
 
-if [[ -f /etc/machine-id ]]; then
-    read MACHINE_ID < /etc/machine-id
+if ! [[ $KERNEL_INSTALL_MACHINE_ID ]]; then
+    exit 0
 fi
 
-if ! [[ $MACHINE_ID ]]; then
-    exit 1
+if ! [[ -d "$BOOT_DIR_ABS" ]]; then
+    exit 0
 fi
 
+MACHINE_ID=$KERNEL_INSTALL_MACHINE_ID
+
 BOOT_DIR="/$MACHINE_ID/$KERNEL_VERSION"
 BOOT_ROOT=${BOOT_DIR_ABS%$BOOT_DIR}
-LOADER_ENTRY="$BOOT_ROOT/loader/entries/$MACHINE_ID-$KERNEL_VERSION.conf"
 
 if [[ $COMMAND == remove ]]; then
-    exec rm -f "$LOADER_ENTRY"
+    rm -f "$BOOT_ROOT/loader/entries/$MACHINE_ID-$KERNEL_VERSION.conf"
+    rm -f "$BOOT_ROOT/loader/entries/$MACHINE_ID-$KERNEL_VERSION+"*".conf"
+    exit 0
 fi
 
 if ! [[ $COMMAND == add ]]; then
@@ -61,6 +65,17 @@ if ! [[ ${BOOT_OPTIONS[*]} ]]; then
     exit 1
 fi
 
+if [[ -f /etc/kernel/tries ]]; then
+    read -r TRIES </etc/kernel/tries
+    if ! [[ "$TRIES" =~ ^[0-9]+$ ]] ; then
+        echo "/etc/kernel/tries does not contain an integer." >&2
+        exit 1
+    fi
+    LOADER_ENTRY="$BOOT_ROOT/loader/entries/$MACHINE_ID-$KERNEL_VERSION+$TRIES.conf"
+else
+    LOADER_ENTRY="$BOOT_ROOT/loader/entries/$MACHINE_ID-$KERNEL_VERSION.conf"
+fi
+
 cp "$KERNEL_IMAGE" "$BOOT_DIR_ABS/linux" &&
    chown root:root "$BOOT_DIR_ABS/linux" &&
    chmod 0644 "$BOOT_DIR_ABS/linux" || {
@@ -68,6 +83,18 @@ cp "$KERNEL_IMAGE" "$BOOT_DIR_ABS/linux" &&
     exit 1
 }
 
+for initrd in "${@:${INITRD_OPTIONS_START}}"; do
+    if [[ -f "${initrd}" ]]; then
+        initrd_basename="$(basename ${initrd})"
+        cp "${initrd}" "$BOOT_DIR_ABS/${initrd_basename}" &&
+            chown root:root "$BOOT_DIR_ABS/${initrd_basename}" &&
+            chmod 0644 "$BOOT_DIR_ABS/${initrd_basename}" || {
+             echo "Could not copy '${initrd}' to '$BOOT_DIR_ABS/${initrd_basename}'." >&2
+             exit 1
+        }
+    fi
+done
+
 mkdir -p "${LOADER_ENTRY%/*}" || {
     echo "Could not create loader entry directory '${LOADER_ENTRY%/*}'." >&2
     exit 1
@@ -79,8 +106,10 @@ mkdir -p "${LOADER_ENTRY%/*}" || {
     echo "machine-id $MACHINE_ID"
     echo "options    ${BOOT_OPTIONS[*]}"
     echo "linux      $BOOT_DIR/linux"
-    [[ -f $BOOT_DIR_ABS/initrd ]] && \
-        echo "initrd     $BOOT_DIR/initrd"
+    for initrd in "${@:${INITRD_OPTIONS_START}}"; do
+        [[ -f $BOOT_DIR_ABS/$(basename ${initrd}) ]] && \
+            echo "initrd     $BOOT_DIR/$(basename ${initrd})"
+    done
     :
 } > "$LOADER_ENTRY" || {
     echo "Could not create loader entry '$LOADER_ENTRY'." >&2