Adding upstream version 060+5.upstream/060+5

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 152 insertions, 0 deletions

diff --git a/install.d/51-dracut-rescue.install b/install.d/51-dracut-rescue.install
new file mode 100755
index 0000000..aa0ccdc
--- /dev/null
+++ b/install.d/51-dracut-rescue.install
@@ -0,0 +1,152 @@
+#!/bin/bash
+
+export LANG=C
+
+COMMAND="$1"
+KERNEL_VERSION="$2"
+BOOT_DIR_ABS="${3%/*}/0-rescue"
+KERNEL_IMAGE="$4"
+
+dropindirs_sort() {
+    suffix=$1
+    shift
+    args=("$@")
+    files=$(
+        while (($# > 0)); do
+            for i in "${1}"/*"${suffix}"; do
+                [[ -f $i ]] && echo "${i##*/}"
+            done
+            shift
+        done | sort -Vu
+    )
+
+    for f in $files; do
+        for d in "${args[@]}"; do
+            if [[ -f "$d/$f" ]]; then
+                echo "$d/$f"
+                continue 2
+            fi
+        done
+    done
+}
+
+if [[ -f /etc/os-release ]]; then
+    . /etc/os-release
+elif [[ -f /usr/lib/os-release ]]; then
+    . /usr/lib/os-release
+fi
+
+[[ -n $PRETTY_NAME ]] || PRETTY_NAME="Linux $KERNEL_VERSION"
+
+if [[ ${KERNEL_INSTALL_MACHINE_ID+x} ]]; then
+    MACHINE_ID=$KERNEL_INSTALL_MACHINE_ID
+elif [[ -f /etc/machine-id ]]; then
+    read -r MACHINE_ID < /etc/machine-id
+fi
+
+if ! [[ $MACHINE_ID ]]; then
+    exit 0
+fi
+
+if [ -n "$KERNEL_INSTALL_CONF_ROOT" ]; then
+    if [ -f "$KERNEL_INSTALL_CONF_ROOT/cmdline" ]; then
+        read -r -d '' -a BOOT_OPTIONS < "$KERNEL_INSTALL_CONF_ROOT/cmdline"
+    fi
+elif [[ -f /etc/kernel/cmdline ]]; then
+    read -r -d '' -a BOOT_OPTIONS < /etc/kernel/cmdline
+elif [[ -f /usr/lib/kernel/cmdline ]]; then
+    read -r -d '' -a BOOT_OPTIONS < /usr/lib/kernel/cmdline
+else
+    declare -a BOOT_OPTIONS
+
+    read -r -d '' -a line < /proc/cmdline
+    for i in "${line[@]}"; do
+        [[ ${i#initrd=*} != "$i" ]] && continue
+        BOOT_OPTIONS+=("$i")
+    done
+fi
+
+if [[ -d ${BOOT_DIR_ABS%/*} ]]; then
+    BOOT_DIR="/${MACHINE_ID}/0-rescue"
+    BOOT_ROOT=${BOOT_DIR_ABS%"$BOOT_DIR"}
+    LOADER_ENTRY="$BOOT_ROOT/loader/entries/${MACHINE_ID}-0-rescue.conf"
+    KERNEL="linux"
+    INITRD="initrd"
+else
+    BLS_DIR="/boot/loader/entries"
+    BOOT_DIR_ABS="/boot"
+    LOADER_ENTRY="$BLS_DIR/${MACHINE_ID}-0-rescue.conf"
+    KERNEL="vmlinuz-0-rescue-${MACHINE_ID}"
+    INITRD="initramfs-0-rescue-${MACHINE_ID}.img"
+fi
+
+ret=0
+
+case "$COMMAND" in
+    add)
+        if [[ -f $LOADER_ENTRY ]] && [[ -f "$BOOT_DIR_ABS/$KERNEL" ]] \
+            && [[ -f "$BOOT_DIR_ABS/$INITRD" ]]; then
+            [[ $KERNEL_INSTALL_VERBOSE == 1 ]] \
+                && echo "Skipping, there is already a rescue image generated with the same input parameters"
+            exit 0
+        fi
+
+        # source our config dir
+        for f in $(dropindirs_sort ".conf" "/etc/dracut.conf.d" "/usr/lib/dracut/dracut.conf.d"); do
+            if [[ -e $f ]]; then
+                # shellcheck disable=SC1090
+                . "$f"
+            fi
+        done
+
+        if [[ $dracut_rescue_image != "yes" ]]; then
+            [[ $KERNEL_INSTALL_VERBOSE == 1 ]] \
+                && echo "Skipping, 'dracut_rescue_image' not set to 'yes' in any dracut configuration file"
+            exit 0
+        fi
+
+        [[ -d $BOOT_DIR_ABS ]] || mkdir -p "$BOOT_DIR_ABS"
+
+        if ! cp --reflink=auto "$KERNEL_IMAGE" "$BOOT_DIR_ABS/$KERNEL"; then
+            echo "Can't copy '$KERNEL_IMAGE to '$BOOT_DIR_ABS/$KERNEL'!" >&2
+        fi
+
+        if [[ ! -f "$BOOT_DIR_ABS/$INITRD" ]]; then
+            # shellcheck disable=SC2046
+            dracut -f --no-hostonly --no-uefi \
+                -a "rescue" \
+                $([[ $KERNEL_INSTALL_VERBOSE == 1 ]] && echo --verbose) \
+                --kver "$KERNEL_VERSION" \
+                "$BOOT_DIR_ABS/$INITRD"
+            ((ret += $?))
+        fi
+
+        [[ $KERNEL_INSTALL_VERBOSE == 1 ]] && echo "Creating $LOADER_ENTRY"
+        if [[ ${BOOT_DIR_ABS} != "/boot" ]]; then
+            {
+                echo "title      $PRETTY_NAME - Rescue Image"
+                echo "version    $KERNEL_VERSION"
+                echo "machine-id $MACHINE_ID"
+                echo "options    ${BOOT_OPTIONS[*]} rd.auto=1"
+                echo "linux      $BOOT_DIR/linux"
+                echo "initrd     $BOOT_DIR/initrd"
+            } > "$LOADER_ENTRY"
+        else
+            if [[ -e "${BLS_DIR}/${MACHINE_ID}-${KERNEL_VERSION}.conf" ]]; then
+                cp -aT "${BLS_DIR}/${MACHINE_ID}-${KERNEL_VERSION}.conf" "$LOADER_ENTRY"
+            else
+                cp -aT "${KERNEL_IMAGE%/*}/bls.conf" "$LOADER_ENTRY"
+            fi
+            sed -i "s/${KERNEL_VERSION}/0-rescue-${MACHINE_ID}/" "$LOADER_ENTRY"
+        fi
+
+        ((ret += $?))
+        ;;
+
+    remove)
+        exit 0
+        ;;
+
+esac
+
+exit $ret