linux-from-scratch/custom_blfs_packages
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Initial functions library

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Krizsán Péter 2024-11-22 15:01:26 +01:00
parent 9fd607b49a
commit 23bb8a747d
1 changed files with 69 additions and 0 deletions
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libs/functions.sh Normal file
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#!/bin/bash
# Helper function to pach the packages.ent
# Parameters are in this order: major, minor, patch, md5 and full path to packages.ent
patchKernelVersion()
{
if [ ! -f "$5" ] ; then
echo "The packages.ent file is not exist or not defined." >&2
echo "File: $5"
return 4
fi
sed -i -E "s@(<\!ENTITY linux-major-version \"+)(.+\">)@\1$1\">@" "$5"
sed -i -E "s@(<\!ENTITY linux-minor-version \"+)(.+\">)@\1$2\">@" "$5"
sed -i -E "s@(<\!ENTITY linux-md5 \"+)(.+\">)@\1$4\">@" "$5"
if [ "-" == "$3" ] ; then
sed -i -E '/<!--/ n; /<\!ENTITY linux-patch-version "/{s/<!E/<!--<!E/g;s/">/">-->/g;}' "$5"
sed -i -E '/linux-minor-version;">-->/{s/<!--//g;s/-->//g;}' "$5"
sed -i -E '/<!--/ n; /linux-patch-version;">/{s/<!E/<!--<!E/g;s/;">/;">-->/g;}' "$5"
else
sed -i -E '/<!ENTITY linux-patch-version "/{s/<!--//g;s/-->//g;}' "$5"
sed -i -E "s@(<\!ENTITY linux-patch-version \"+)(.+\">)@\1$3\">@" "$5"
sed -i -E '/linux-patch-version;">-->/{s/<!--//g;s/-->//g;}' "$5"
sed -i -E '/<!--/ n; /linux-minor-version;">/{s/<!E/<!--<!E/g;s/;">/;">-->/g;}' "$5"
fi
}
# Function that createst an fstab based on the incoming folder
createFstab()
{(
# Get mount info from lsblk output
local LSBLK_INFO
LSBLK_INFO=$(lsblk -l -o MOUNTPOINT,PATH,NAME,PKNAME,PARTUUID,FSTYPE,PTTYPE | sed "/^ /d")
printf "# Begin /etc/fstab\n\n"
printf '%-45s %-11s %-4s %-16s %-4s %-10s\n' "# File system (PARTUUID)" "mount-point" "type" "options" "dump" "fsck"
printf '#%104s\n\n' "order"
# Find the root mount point
local DIR_ROOT
DIR_ROOT=$(grep "^$1 " <<< "$LSBLK_INFO")
if [ -z "$DIR_ROOT" ] ; then
DIR_ROOT=$(grep "^/ " <<< "$LSBLK_INFO")
fi
if [ -n "$DIR_ROOT" ] ; then
printf '%-45s %-11s %-4s %-16s %-4s %-10s\n' "PARTUUID=$(awk '{print $5}' <<< "$DIR_ROOT")" / "$(awk '{print $6}' <<< "$DIR_ROOT")" defaults 1 1
fi
# Find if there is a separate boot drive
local DIR_BOOT
DIR_BOOT=$(grep "^$1/boot " <<< "$LSBLK_INFO")
if [ -z "$DIR_BOOT" ] && [ -z "$1" ]; then
DIR_BOOT=$(grep "^/boot " <<< "$LSBLK_INFO")
fi
if [ -n "$DIR_BOOT" ] ; then
printf '%-45s %-11s %-4s %-16s %-4s %-10s\n' "PARTUUID=$(awk '{print $5}' <<< "$DIR_BOOT")" /boot "$(awk '{print $6}' <<< "$DIR_BOOT")" noauto,defaults 0 0
fi
# Find if there is a swap partition
local DIR_SWAP
DIR_SWAP=$(grep "^\[SWAP\] " <<< "$LSBLK_INFO")
if [ -n "$DIR_SWAP" ] ; then
printf '%-45s %-11s %-4s %-16s %-4s %-10s\n' "PARTUUID=$(awk '{print $5}' <<< "$DIR_SWAP")" swap "$(awk '{print $6}' <<< "$DIR_SWAP")" pri=1 0 0
fi
printf "\n# End /etc/fstab\n"
)}