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Ship shell defaults via /etc/skel-devbox so user files are preserved
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Previous behaviour (e4063b5) COPY'd .bash_aliases and .inputrc
directly into /home/developer/ during image build. That silently
shadowed any host bind-mount or in-container customization for users
upgrading from v1.14.19b — if you'd written your own .bash_aliases
and rebuilt the container, our baked version would overwrite it
without warning.

Ship the files to /etc/skel-devbox/ instead. The entrypoint copies
them to $HOME only if the target file does not already exist, so:

- Fresh containers get the defaults automatically (unchanged)
- Host bind-mounts win (they materialize before the entrypoint runs)
- Existing in-container customizations survive upgrades
- Defaults remain discoverable at /etc/skel-devbox/ for anyone who
  wants to copy, diff, or reset back to upstream

Docs (README.md, DOCKER_HUB.md, deploy/README.md) describe the new
skel layout and the restore/diff commands.
This commit is contained in:
Joakim Persson
2026-04-21 19:44:29 +02:00
parent e4063b5559
commit 8535f73ad3
5 changed files with 64 additions and 9 deletions
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DOCKER_HUB.md
+2 -2
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@@ -467,7 +467,7 @@ docker compose run --rm devbox bash # interactive shell
## Shell defaults
The image ships baked shell defaults in `~/.bash_aliases` and `~/.inputrc`:
The image ships baked `.bash_aliases` and `.inputrc` in `/etc/skel-devbox/`. On first container start the entrypoint copies them to `/home/developer/` **only if the target file does not already exist**, so your host bind-mounts or any in-container customization are preserved across upgrades.
- **Prefix history search** on Up/Down arrows (type `git `, press Up, walk back through prior `git ...` commands only). Ctrl-Up / Ctrl-Down still step through full history.
- **Persistent history** via `$HISTFILE=~/.cache/bash/history`, backed by the `devbox-shell-history` named volume. Survives container recreate. 100 000 entries, time-stamped, dedup.
@@ -476,7 +476,7 @@ The image ships baked shell defaults in `~/.bash_aliases` and `~/.inputrc`:
- **Integrations** — `zoxide` (`z <fragment>`), `fzf` key bindings (`Ctrl-R`, `Ctrl-T`).
- **`[devbox]` prompt prefix** so you always know you're in the container.
To override with your host's own `~/.bash_aliases` / `~/.inputrc`, uncomment the matching bind-mount lines in `docker-compose.yml`.
To override with your host's own files, uncomment the matching bind-mount lines in `docker-compose.yml`. To restore the baked defaults any time: `cp /etc/skel-devbox/.bash_aliases ~/` (or delete the file and recreate the container).
## What's Included