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Disable udev rules more eagerly #30

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Disable udev rules more eagerly #30

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114 changes: 72 additions & 42 deletions debian/postinst
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,55 @@ decompress_lz4_kernel() {
done
}

is_version_number() {
( echo "${1}" | grep -q "^[0-9\.]*$" ) && return 0 || return 1
}

debian_version() {
etc_version=`cat /etc/debian_version`
if is_version_number "${etc_version}"; then
echo "${etc_version}"
return 0
else
echo "Undefined debian version"
return 1
fi
}

distro_name() {
if [ -f /etc/os-release ]; then
. /etc/os-release
echo "${ID}"
return 0
else
# We use head to crop the "No LSB modules are available." message.
lsb_release -is | head -n 1
return 0
fi
}

is_debian() {
name=`distro_name`
if [ "${name}" = 'Debian' ] || [ "${name}" = 'debian' ]; then
return 0
else
return 1
fi
}

is_ubuntu() {
name=`distro_name`
if [ "${name}" = 'Ubuntu' ] || [ "${name}" = 'ubuntu' ]; then
return 0
else
return 1
fi
}

debian_major_version() {
debian_version | cut -d '.' -f 1
}

case "$1" in
configure|upgrade)

Expand Down Expand Up @@ -151,39 +200,36 @@ case "$1" in
# deduce the boot order.
mount_start=20

# debian
debversion=$(cat /etc/debian_version)
if is_debian; then
major_version=`debian_major_version`
# etch
if [ ${major_version} -eq 4 ]; then
mount_start=11
fi

# LSB
lsb=''
if command -v lsb_release > /dev/null; then
lsb=$(command -v lsb_release)
fi
# lenny
if [ ${major_version} -eq 5 ]; then
mount_start=11
fi

lsb_release=''
lsb_distrib=''
if [ ! -z ${lsb} ]; then
lsb_release=$("${lsb}" -rs)
lsb_distrib=$("${lsb}" -is)
fi
# Debian stretch
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Suggested change
# Debian stretch
# Debian stretch and above

if [ ${major_version} -ge 9 ]; then
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Debian stretch was identified by -ge 8 in the previous version. Any reason for this change?

disable_udev_disk_rules
fi
decompress_lz4_kernel

# lenny
ret=$(expr match "$debversion" '^5.')
if [ $ret -ge 2 ]; then
mount_start=11
fi

# etch
ret=$(expr match "$debversion" '^4.')
if [ $ret -ge 2 ]; then
mount_start=11
if is_ubuntu; then
major_version=`debian_major_version`
if [ ${major_version} -gt 17 ]; then
disable_udev_disk_rules
fi
decompress_lz4_kernel
fi

# squeeze
# since this version initscripts management use dependancies.
# update-rc.d will use the correct number to start the service
# at the right moment : after checkroot.sh and rw remount

# mount_start should be configured sothat it start the service after
# checkroot.sh and rw remount
update-rc.d gandi-mount start ${mount_start} S . 2>&1 | \
egrep -v "warning:.*match LSB" | \
grep -q "Adding system startup" || true
Expand All @@ -193,22 +239,6 @@ case "$1" in
egrep -v "warning:.*match LSB" | \
grep -q "Adding system startup" || true

# Debian stretch
if [ 'Debian' = "${lsb_distrib}" ] || [ 'debian' = "${lsb_distrib}" ]; then
if [ `echo "${lsb_release}" | cut -d'.' -f1` -gt 8 ]; then
disable_udev_disk_rules
fi
decompress_lz4_kernel
fi

# Ubuntu bionic
if [ 'Ubuntu' = "${lsb_distrib}" ] || [ 'ubuntu' = "${lsb_distrib}" ]; then
if [ `echo "${lsb_release}" | cut -d'.' -f1` -gt 17 ]; then
disable_udev_disk_rules
fi
decompress_lz4_kernel
fi

# the system uses autofs and customer rules handle /srv
if autofs_installed && autofs_handle_srv; then
disable_udev_disk_rules
Expand Down