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build: the apk root is the only root

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make qemu and make iso went on building sysroot/ as the root while only
make aroot built the apk one. Both now come from the apk root: a 1 GB
schfs.img for make qemu, and a 96 MB ramdisk for the ISO, 35 MB of it
the base system and the rest room for apk add on the live system.
sysroot/ is what schos-base is packaged from, not a root of its own.

hwdata leaves the ramdisk exclude list: it is Alpine's package now, and
a root missing files apk's database lists is one apk has to repair.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01S1giNvrHTrPMPw7V6x1kQ4
This commit is contained in:
Nexoniarz 2026-10-24 17:06:11 +02:00
commit 3f8e5190aa
2 changed files with 41 additions and 40 deletions
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12
docs/plan/alpine.md
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@ -38,10 +38,12 @@ only what is its own (see `tools/posix/mkaroot.sh`):
## Building
make aroot build/aroot.img: the root, as a SchFS volume
make qemu-aroot boot it
make qemu boots build/schfs.img, the root as a 1 GB SchFS disk
make iso the same root as the live system's 96 MB ramdisk
make alpine-lock re-resolve world against Alpine (needs the network)
It is the only root. sysroot/ is what schos-base is packaged from.
Only `alpine-lock` asks Alpine what is current. A normal build installs
exactly what `world.lock` names: files in `dist/alpine/`, fetched once and
checked against the lock's sha256, and against Alpine's signatures by apk.
@ -66,8 +68,10 @@ All of it found by running apk:
## Next
- The live ISO and USB stick are still the ramdisk root. They need the apk
root on the stick itself, or an installer that writes it to a disk.
- The live ISO runs the apk root from RAM: `apk add` works, into 59 MB, and
is gone at reboot. Keeping packages needs an installer that writes the root
to a SATA or NVMe disk, and a kernel that finds its root there by the
SchFS GPT type rather than as IDE disk 1.
- Xorg from apk (`xorg-server xf86-video-fbdev xf86-input-evdev`) instead of
the hand port in [xorg.md](xorg.md). The packages install; running them is
the next test.