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Date: Sun, 08 Dec 2024 08:33:00 +0000
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From: ian@imc.sh
Message-ID: <50365794bfc91478636a640a438f9d65@imc.sh>
Subject: Some packages not restored after diskless mode reboot
To: ~alpine/users@lists.alpinelinux.org
Feedback-ID: 948146m:948146aGlArf6:948146s00ZF1JR77

I set up a diskless system following the instructions on the wiki. After =
rebooting the system, some packages are not being reinstalled. The missin=
g packages come back after running `apk fix` manually. There are no error=
s displayed in the boot output (with quiet disabled) while the other pack=
ages are being installed.

```
# cat /etc/apk/world
alpine-base
busybox-mdev-openrc
cfdisk
chrony
file
htop
iftop
iotop
lsblk
openssh
samba
vim
```

One package that's not installing is `samba`. I've confirmed that samba p=
ackages are in the cache:
```
# ls /etc/apk/cache/ | grep samba
libauth-samba-4.20.6-r1.3c28fdae.apk
samba-client-4.20.6-r1.c1461f5a.apk
samba-client-libs-4.20.6-r1.c5095c38.apk
samba-common-4.20.6-r1.fe1d4120.apk
samba-common-server-libs-4.20.6-r1.8ec624e9.apk
samba-common-tools-4.20.6-r1.06ae6656.apk
samba-libs-4.20.6-r1.fa3bccb2.apk
samba-server-4.20.6-r1.a8602cf5.apk
samba-server-openrc-4.20.6-r1.a3abe0ae.apk
samba-util-libs-4.20.6-r1.68790877.apk
```

Inspecting the APKINDEX file in the cache, there's an entry for samba inc=
luding its dependencies:
```
# tar -xvf /etc/apk/cache/APKINDEX.33b75773.tar.gz -O APKINDEX | grep -B
1 -A12 'P:samba$'
C:Q1FyDtEli/WhTz5qGizq/rDkJaLzk=3D
P:samba
V:4.20.6-r1
A:aarch64
S:1266
I:0
T:Tools to access a server's filespace and printers via SMB
U:https://www.samba.org/
L:GPL-3.0-or-later AND LGPL-3.0-or-later
o:samba
m:Natanael Copa <ncopa@alpinelinux.org>
t:1733128458
c:ca678c267486553e3a9046371475ded651977772
D:samba-server=3D4.20.6-r1 samba-client=3D4.20.6-r1 samba-common-tools=3D=
4.20.6-r1
```

Interestingly, manually attempting to install `samba` from the cache with=
out the network also fails:
```
# apk add samba --no-network
ERROR: unable to select packages:
  samba-4.20.6-r1:
    masked in: --no-network
    satisfies: world[samba]
```

It appears that samba is somewhat special, in that it's a meta-package th=
at has no apk file, but has dependencies on `samba-common-tools`, `samba-=
server`, and `samba-client`.  I've confirmed that if I explicitly add tho=
se three dependencies to my world, the packages do get installed after a =
reboot.

This feels to me like a bug with how apk handles populating at boot from =
its offline cache. It took me a long time to figure out that the meta-pac=
kage was the issue, since apk silently continues during the boot process,=
 never mentioning that it can't select the package.

-ian