Two tangled changes to the install flow, batched because they're both
small and hit app.py:
1. Phase-based progress bar on /install/log. parse_install_progress()
scans the archinstall log for ordered phase markers ("Wiping
partitions", "Installing packages: ['base'", "Adding bootloader",
"Installation completed without any errors", …) and exposes
percent + user-facing phase label + status (running/done/error).
Template wraps the raw log in a collapsed <details> so the default
view stays calm; the meta-refresh stops once status is terminal.
If archinstall changes its stdout wording the bar stalls on the
last recognized phase — the install itself is unaffected.
2. Drop "docker" from the user's groups in creds and do the
`gpasswd -a <user> docker` via custom_commands instead.
archinstall creates users before pacstrapping the extras list, so
the docker group doesn't exist at user-create time —
caused the second real install to crash with
`gpasswd: group 'docker' does not exist`. custom_commands runs
at the very end, after docker is installed. Username is validated
by USERNAME_RE so no shell injection.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Daniel Maksymilian Syrnicki
3a259beb98