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Handle the case where udevadm exists but is non-functional, as warned about by Lintian 2.5.75.

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This commit is contained in:
Colin Watson 2018-02-17 19:23:19 +00:00
parent 5031c00bb2
commit 4c7029c3d5
2 changed files with 25 additions and 20 deletions
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2
debian/changelog vendored
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@ -11,6 +11,8 @@ grub2 (2.02+dfsg1-1) UNRELEASED; urgency=medium
versions of libgcrypt (closes: #745409).
* Cherry-pick upstream patch to avoid -Werror=unused-value build failure
(closes: #890431).
* Handle the case where udevadm exists but is non-functional, as warned
about by Lintian 2.5.75.
-- Colin Watson <cjwatson@debian.org> Sun, 11 Feb 2018 23:23:09 +0000

43
debian/postinst.in vendored
View File

@ -184,33 +184,36 @@ camcontrol_size()
echo "$size"
}
maybe_udevadm()
{
if which udevadm >/dev/null 2>&1; then
udevadm "$@" || true
fi
}
# Returns value in $RET, like a debconf command.
describe_disk()
{
local disk id base size
local disk id sysfs_path disk_basename size model
disk="$1"
id="$2"
model=
case $(uname -s) in
Linux)
if which udevadm >/dev/null 2>&1; then
size="$(sysfs_size "/sys$(udevadm info -n "$disk" -q path)")"
else
base="${disk#/dev/}"
base="$(printf %s "$base" | sed 's,/,!,g')"
size="$(sysfs_size "/sys/block/$base")"
sysfs_path="$(maybe_udevadm info -n "$disk" -q path)"
if [ -z "$sysfs_path" ]; then
sysfs_path="/block/$(printf %s "${disk#/dev/}" | sed 's,/,!,g')"
fi
size="$(sysfs_size "/sys$sysfs_path")"
if which udevadm >/dev/null 2>&1; then
model="$(udevadm info -n "$disk" -q property | sed -n 's/^ID_MODEL=//p')"
model="$(maybe_udevadm info -n "$disk" -q property | sed -n 's/^ID_MODEL=//p')"
if [ -z "$model" ]; then
model="$(maybe_udevadm info -n "$disk" -q property | sed -n 's/^DM_NAME=//p')"
if [ -z "$model" ]; then
model="$(udevadm info -n "$disk" -q property | sed -n 's/^DM_NAME=//p')"
if [ -z "$model" ]; then
model="$(udevadm info -n "$disk" -q property | sed -n 's/^MD_NAME=//p')"
if [ -z "$model" ] && which dmsetup >/dev/null 2>&1; then
model="$(dmsetup info -c --noheadings -o name "$disk" 2>/dev/null || true)"
fi
model="$(maybe_udevadm info -n "$disk" -q property | sed -n 's/^MD_NAME=//p')"
if [ -z "$model" ] && which dmsetup >/dev/null 2>&1; then
model="$(dmsetup info -c --noheadings -o name "$disk" 2>/dev/null || true)"
fi
fi
fi
@ -233,21 +236,21 @@ describe_disk()
# Returns value in $RET, like a debconf command.
describe_partition()
{
local disk part id path diskbase partbase size
local disk part id path sysfs_path diskbase partbase size
disk="$1"
part="$2"
id="$3"
path="$4"
if which udevadm >/dev/null 2>&1; then
size="$(sysfs_size "/sys$(udevadm info -n "$part" -q path)")"
else
sysfs_path="$(maybe_udevadm info -n "$part" -q path)"
if [ -z "$sysfs_path" ]; then
diskbase="${disk#/dev/}"
diskbase="$(printf %s "$diskbase" | sed 's,/,!,g')"
partbase="${part#/dev/}"
partbase="$(printf %s "$partbase" | sed 's,/,!,g')"
size="$(sysfs_size "/sys/block/$diskbase/$partbase")"
sysfs_path="/block/$diskbase/$partbase"
fi
size="$(sysfs_size "/sys$sysfs_path")"
db_subst grub-pc/partition_description DEVICE "$part"
db_subst grub-pc/partition_description SIZE "$size"