1 files changed, 80 insertions, 0 deletions
diff --git a/src/bin/mddc-add-block-sym b/src/bin/mddc-add-block-sym
new file mode 100755
index 0000000..7ee1eca
--- /dev/null
+++ b/src/bin/mddc-add-block-sym
@@ -0,0 +1,80 @@
+#!@shebangdir@/execlineb -P
+
+importas -Si MDEV
+
+if -x0 { eltest -d /sys/block/${MDEV} }
+
+#skip cryptsetup nodes
+if -nx0 { eltest ${MDEV} =~ dm-[0-9] }
+
+background { mkdir -p /dev/disk/by-diskseq }
+background { mkdir -p /dev/disk/by-partuuid }
+background { mkdir -p /dev/disk/by-uuid }
+background { mkdir -p /dev/disk/by-id }
+#background { mkdir -p /dev/disk/by-path }
+
+backtick -Ei DISKSEQ { cat /sys/block/${MDEV}/diskseq }
+background { ln -sf ../../${MDEV} /dev/disk/by-diskseq/${DISKSEQ} }
+
+pipeline { if { eltest -e /sys/block/${MDEV}/device/model } cat /sys/block/${MDEV}/device/model }
+pipeline { sed -e s/\ *$// -e s/\ /_/g }
+withstdinas -ED "" MODEL
+pipeline { if { eltest -e /sys/block/${MDEV}/device/serial } cat /sys/block/${MDEV}/device/serial }
+pipeline { sed -e s/\ *$// -e s/\ /_/g -e s/^/_/g }
+withstdinas -ED "" SERIAL
+background { if { eltest "${MODEL}${SERIAL}" }
+		ln -sf ../../${MDEV} /dev/disk/by-id/${MODEL}${SERIAL}
+}
+
+execline-cd /sys/block/${MDEV}
+
+elglob -0d "" PARTS ${MDEV}*
+if { eltest ${PARTS} }
+define -sd "" SPARTS ${PARTS}
+forx -pE PART { ${SPARTS} }
+	# by-partuuid
+	background {
+		pipeline { grep -- ^PARTUUID= ${PART}/uevent }
+		pipeline { sed -e s/PARTUUID=// }
+		withstdinas -E PARTUUID
+		ln -sf ../../${PART} /dev/disk/by-partuuid/${PARTUUID}
+	}
+	# by-diskseq, by-id
+	background {
+		backtick -Ei PARTN { cat ${PART}/partition }
+		background { ln -sf ../../${PART} /dev/disk/by-diskseq/${DISKSEQ}-part${PARTN} }
+		if { eltest "${MODEL}${SERIAL}" }
+			ln -sf ../../${PART} /dev/disk/by-id/${MODEL}${SERIAL}-part${PARTN}
+	}
+	# only if blkid exists
+	if { redirfd -w 1 /dev/null tryexec { blkid } exit 1 }
+	# by-uuid
+	background {
+		if {
+			pipeline { blkid /dev/${PART} }
+			pipeline { grep " UUID" }
+			pipeline {
+				sed
+					-e s/^.*\ UUID=\"//
+					-e s/\".*//
+			}
+			withstdinas -E UUID
+			if { eltest ${UUID} }
+			ln -sf ../../${PART} /dev/disk/by-uuid/${UUID}
+		}
+	}
+	# by-label
+	background {
+		if {
+			pipeline { blkid /dev/${PART} }
+			pipeline { grep " LABEL" }
+			pipeline {
+				sed
+					-e s/^.*\ LABEL=\"//
+					-e s/\".*//
+			}
+			withstdinas -E LABEL
+			if { eltest ${LABEL} }
+			ln -sf ../../${PART} /dev/disk/by-label/${LABEL}
+		}
+	}