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remove the cmdline reference in initramfs, this isn't actually possible

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added occur function for future use, as I found it useful while debugging
This commit is contained in:
Hal Emmerich 2020-04-29 19:03:46 -05:00
parent 7fe8f9f6e1
commit c1d0a3e621
1 changed files with 14 additions and 5 deletions
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19
resources/BuildResources/initramfs-init
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@ -45,6 +45,19 @@ rootpartuuid() {
[ "${value}" != "" ] && echo "${value}"
}
# a clever portable shell script to detect occurances of a substring in a string
# occur <string> <substring> (optional count)
# if optional count is not provided:
# returns 1 if substring is not in string
# returns 0 otherwise
# if optional count is provided:
# returns 1 if substring occurs in string < optional count
# returns 0 otherwise
occur() while case "$1" in (*"$2"*) set -- \
"${1#*"$2"}" "$2" "${3:-0}" "$((${4:-0}+1))";;
(*) return "$((${4:-0}<${3:-1}))";;esac
do : "${_occur:+$((_occur=$4))}";done
# mount the bare necesities
mount -n -t proc proc /proc
mount -n -t sysfs sysfs /sys
@ -62,10 +75,6 @@ ROOT_DEV="${BLKID%1:*}"
echo ${ROOT_DEV} > /dev/tty1
# we can use this to change what cmdline options get passed into
# the next boot stage
CMDLINE='cat /proc/cmdline'
# label any partition on the system with RESCUESHELL to enter the initramfs rescue shell before mount and root_switch.
# you can do this with "cgpt add -i 1 -l RESCUESHELL /dev/sda" for example to label the first partiton of a usb drive.
if [ -n "$(blkid | grep RESCUESHELL)" ]
@ -91,4 +100,4 @@ umount /sys
umount /proc
#switch to the new rootfs
exec switch_root /newroot /sbin/init ${CMDLINE}
exec switch_root /newroot /sbin/init