aboutsummaryrefslogtreecommitdiffstats
path: root/dfly-update
diff options
context:
space:
mode:
Diffstat (limited to 'dfly-update')
-rwxr-xr-xdfly-update26
1 files changed, 19 insertions, 7 deletions
diff --git a/dfly-update b/dfly-update
index a0827e1..f248916 100755
--- a/dfly-update
+++ b/dfly-update
@@ -409,8 +409,9 @@ usage() {
cat <<_EOF_
Upgrade a DragonFly BSD system using a binary release/snapshot
-Usage: ${0##*/} [-h] [-c <config-file>] [-d]
- [-s <start-step>] [-S <stop-step] <dfly.img>
+Usage:
+${0##*/} [-h] [-c <config-file>] [-d]
+ [-s <start-step>] [-S <stop-step] {dfly.img}
Options:
-h : show this help
@@ -430,6 +431,11 @@ Steps:
7. umount the system image
8. misc operations after upgrade
+Note:
+The {dfly.img} is required when <start-step> is 0 (the default),
+otherwise it is assumed that the image file is already mounted
+at \${MNT_DIR} (default to be '${MNT_DIR}').
+
v${VERSION}
${AUTHOR}
${URL}
@@ -478,14 +484,20 @@ while getopts :c:dhs:S: opt; do
done
shift $((OPTIND - 1))
-[ $# -ne 1 ] && { usage; exit ${EC_ARGS}; }
-IMGFILE="$1"
-[ -r "${IMGFILE}" ] || error ${EC_NOFILE} "file not exists: ${IMGFILE}"
+
+if [ ${ISTART} -eq 0 ]; then
+ [ $# -eq 1 ] || error ${EC_ARGS} "no image file provided"
+ IMG="$1"
+ [ -f "${IMG}" ] || error ${EC_NOFILE} "image file not exists: ${IMG}"
+else
+ DEV=$(get_mount_dev ${MNT_DIR})
+ [ -n "${DEV}" ] || error ${EC_MOUNT} "nothing mounted at: ${MNT_DIR}"
+fi
istep=0
-echo "[${istep}] Mounting image ${IMGFILE} to ${MNT_DIR} ..."
+echo "[${istep}] Mounting image to ${MNT_DIR} ..."
[ ${istep} -ge ${ISTART} -a ${istep} -le ${ISTOP} ] &&
- mount_image "${IMGFILE}" "${MNT_DIR}" ||
+ mount_image "${IMG}" "${MNT_DIR}" ||
echo "(skipped)"
istep=$((${istep} + 1))