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main/postmarketos-mkinitfs: resize: unallocated space check, even if forced (MR 1428)

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In resize_root_partition(), put the unallocated space check into an
extra function has_unallocated_space(). Run it even if
PMOS_FORCE_PARTITION_RESIZE is used, so we don't attempt to resize the
partition if there is no free space.

While at it, change "sed 's/p?2$//'" to "sed 's/2$//' in an already
modified line, because it means the same thing and is less confusing
(? in regex means: 0 or 1 time).
This commit is contained in:
Oliver Smith 2020-07-20 14:51:23 +02:00
parent dea5488d93
commit 9d86f6fe92
No known key found for this signature in database
GPG key ID: 5AE7F5513E0885CB
2 changed files with 16 additions and 8 deletions
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4
main/postmarketos-mkinitfs/APKBUILD
View file

@ -1,5 +1,5 @@
pkgname=postmarketos-mkinitfs
pkgver=0.13.0
pkgver=0.13.1
pkgrel=0
pkgdesc="Tool to generate initramfs images for postmarketOS"
url="https://postmarketos.org"
@ -40,7 +40,7 @@ check() {
sha512sums="5037cb7285bb7c0c40ca9e6df332d882ef9a8b379756c785f921e062dab1b7e7f3139d00897f69323a916d709ced4297fea8cbd3a13ebae575b873ec9e2cbfae 00-default.modules
995b4d15e6b248d55d53221ec52674e62d74f0be539ac2ab26d4279544e2bece7aa58810dd831e1b2f08f0520fc9a8dff3ad4df52a46ef73f61e462f74f68c48 init.sh.in
683b1784cc6572717dd805caabea38fac1780b03ff3540b888aab4fd91ccae404634874e6c9fa39f723186821a849844c6df1235bdcbf47b2de6b7f483c42178 init_functions.sh
40c48c0b6d499dbe316cbb41dc2c02bdc188444c549f1545135479cd6ead5c318496b5c03a11ff81fdaeddef5f8fa473264a380afc6109a3d54790a489f16c1c init_functions.sh
7201d4640a3e9ead8a47ffd9916b068476b7d950760a84c37e02268c942d49896bc986da6bdee27e832639c90775354d68046a6475205d8d1da995b068120d8f mkinitfs.sh
d593b921bd6c0204af874266060667d78a232c0131ce7f0ad4124f9b240fcbb6ac2a8a2b8ee30d27d78bed8c1a506c4e6cb13b57c33cee3a00a7d96eca45a7f3 mkinitfs_functions.sh
c7a3c33daeb12b33ac72207191941c4d634f15c22958273b52af381a70ebaba1d3a9299483f0c447d9e66c560151fe7b9588bb4bbef2c8914f83185984ee4622 mkinitfs_test.sh"

20
main/postmarketos-mkinitfs/init_functions.sh
View file

@ -211,6 +211,13 @@ wait_root_partition() {
done
}
# $1: path to device
has_unallocated_space() {
# Check if there is unallocated space at the end of the device
parted -s "$1" print free | tail -n2 | \
head -n1 | grep -qi "free space"
}
resize_root_partition() {
partition=$(find_root_partition)
@ -228,9 +235,7 @@ resize_root_partition() {
# Get physical device
partition_dev=$(dmsetup deps -o devname "$partition" | \
awk -F "[()]" '{print "/dev/"$2}')
# Check if there is unallocated space at the end of the device
if parted -s "$partition_dev" print free | tail -n2 | \
head -n1 | grep -qi "free space"; then
if has_unallocated_space "$partition_dev"; then
echo "Resize root partition ($partition)"
# unmount subpartition, resize and remount it
kpartx -d "$partition"
@ -242,9 +247,12 @@ resize_root_partition() {
# except for QEMU devices (where PMOS_FORCE_PARTITION_RESIZE gets passed as
# kernel parameter).
if grep -q PMOS_FORCE_PARTITION_RESIZE /proc/cmdline; then
echo "Resize root partition ($partition)"
parted -s "$(echo "$partition" | sed -E 's/p?2$//')" resizepart 2 100%
partprobe
partition_dev="$(echo "$partition" | sed -E 's/2$//')"
if has_unallocated_space "$partition_dev"; then
echo "Resize root partition ($partition)"
parted -s "$partition_dev" resizepart 2 100%
partprobe
fi
fi
}