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Integrity fixes: atomic writes, rc checks, curl

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- Verified the repository backup rc in migrate.sh. `_persistent_backup_repos()` now aborts before any destructive step when the tar archive is missing or corrupt, removing the invalid backup itself.
- Verified the restore rc in migrate.sh. `_restore_backup()` now reports failure instead of printing a green "Backup restored" message, and its caller distinguishes a restored backup from a failed restore.
- Made the upgrade phases fail honestly. `apt upgrade` and `apt full-upgrade` now abort with `apt --fix-broken install` + `dpkg --configure -a` instructions instead of reporting "completed successfully" over a partially-upgraded system.
- Made repository source writes atomic. Both writers tee into a `.tmp` file and move into place, and the `/etc/apt/sources.list` removal now happens after the write.
- Corrected the SID warning text in migrate.sh to reflect that security fixes arrive via package uploads rather than a nonexistent sid-security suite.
- Added exit-path cleanup traps for the temp `.deb` files: `trap 'rm -f "$deb_path"' RETURN` in `heroic.sh`and `tools.sh`.
- Tightened Heroic download handling: the API fetch uses `curl -fsS --connect-timeout 10 --max-time 30`, the download uses `curl -fsSL --max-time 300`, and the `.deb` is validated with both `dpkg-deb --info` and `dpkg-deb --contents`; `sudo apt install` is guarded with `if !` before the temporary file is deleted.
- Tightened the OpenRGB install path: the Codeberg API fetch uses `curl -fsS --connect-timeout 10 --max-time 30` and the download `curl -fsSL --max-time 300`, with the same dual `dpkg-deb` integrity check as the Heroic fallback.
- Guarded the OpenRGB post-install side effects: the script now aborts after removing the failed `.deb` if `sudo apt install` returns non-zero, so `modprobe i2c-dev`, `/etc/modules`, the `i2c` group membership, `udevadm`, and the `setcap` step no longer run when the package is absent.
This commit is contained in:
stornic56
2026-10-04 23:39:40 -05:00
committed by GitHub
parent 454207209a
commit 21e9973c2f
22 changed files with 975 additions and 142 deletions
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docs/kernel.md
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@@ -112,7 +112,7 @@ Key details:
| Mechanism | How It Works |
| ----------- | -------------- |
| **Pre-flight `is_backports_enabled`** | `utils.sh:is_backports_enabled` greps `/etc/apt/sources.list` and `/etc/apt/sources.list.d/*.sources` / `*.list` for `trixie-backports`. Prevents `apt -t` from failing with `E: Release not found`. |
| **NVIDIA RT warning** | `utils.sh:GPU_TYPE` is set at startup by `detect_gpu` (lspci). RT kernels change scheduling semantics; some `nvidia.ko` builds reject `PREEMPT_RT`. |
| **NVIDIA RT warning** | `utils.sh:GPU_TYPE` is set on demand by `detect_gpu` (lspci, via `_ensure_state_detected`). RT kernels change scheduling semantics; some `nvidia.ko` builds reject `PREEMPT_RT`. |
| **Atomic image+headers** | Both packages in one `apt` call. If headers are missing, `dkms` will fail at boot — so they are never installed separately. |
| **Fallback preservation** | `apt` never removes the running kernel. `/boot` retains `vmlinuz-*` and `initrd.img-*` for both. GRUB keeps both entries; if the new kernel panics, select the old one. |
| **Version-aware messaging** | The confirmation dialog always shows the exact version string (`apt-cache madison` / `apt-cache show`) so users know they are not reinstalling the same package. |