122 lines
4.0 KiB
Bash
Executable File
122 lines
4.0 KiB
Bash
Executable File
Create for me a script that does the following.
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The script should run on any nixos machine.
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For git use REPO_URL="https://gitea.data-pro.nu/henrov/nixos.git"
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For html use https://gitea.data-pro.nu/henrov/nixos/archive/main.zip
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This script is really important, my job depends on it
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# DroidNix Installation — Step Specification
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## Step 1 — Collect system identity
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Store the current Unix username in a variable: `USER=$(whoami)`
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Store the current hostname in a variable: `HOSTNAME=$(hostname)`
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## Step 2 — Create target directory
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Create the directory `~/Droidnix` if it does not already exist.
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## Step 3 — Download the repository
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Download the contents of `https://gitea.data-pro.nu/henrov/nixos/src/branch/main/Droidnix` into `~/Droidnix` using the following priority:
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- If `git` is available: `git clone <url> ~/Droidnix`
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- Otherwise if `wget` is available: download the zip archive and extract it into `~/Droidnix`
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- Otherwise: use `curl` to download the zip archive and extract it into `~/Droidnix`
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## Step 4 — Rename files and folders
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Perform the following renames recursively under `~/Droidnix`, processing deepest paths first to avoid conflicts:
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- **4.1** Rename any file or folder whose name contains `traveldroid`, replacing it with `$HOSTNAME`
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- **4.2** Rename any file or folder whose name contains `henrov`, replacing it with `$USER`
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## Step 5 — Replace strings in file contents
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Perform the following text substitutions:
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- **5.1** In all files under `~/Droidnix/generated/`, replace every occurrence of `henrov` with `$USER`
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- **5.2** In `~/Droidnix/[README.org](http://README.org)`, replace every occurrence of `henrov` with `$USER`, but **only within blocks** that begin with the string `** =` and end with a line matching `#+END_SRC`. Leave all text outside these blocks unchanged.
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- **5.3** In all files under `~/Droidnix/` (recursively, excluding binary files), replace every occurrence of `~/Repos/nixos/Droidnix` with `~/Droidnix`
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- **5.4.** In all files under `~/Droidnix`, replace every occurrence of `traveldroid` with `$HOSTNAME`
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- **5.6** In `~/Droidnix/[README.org](http://README.org)`, replace every occurrence of `traveldroid` with `$HOSTNAME`, but **only within blocks** that begin with a line matching `** =` and end with a line matching `#+END_SRC`
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## Step 6 — Generate hardware configuration
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Create the directory `~/Droidnix/generated/hosts/$HOSTNAME/` if it does not already exist.
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Run the following command and write its output to `~/Droidnix/generated/hosts/$HOSTNAME/hardware-configuration.nix`:
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```bash
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sudo nixos-generate-config --show-hardware-config
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```
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## Step 7 — Update [README.org](http://README.org) with generated hardware configuration
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In `~/Droidnix/[README.org](http://README.org)`, locate the block that begins with exactly this line:
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```
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#+BEGIN_SRC nix :tangle generated/hosts/$HOSTNAME/hardware-configuration.nix :noweb yes :mkdirp yes :eval never
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```
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and ends with the next line containing exactly `#+END_SRC`.
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Replace everything between (but not including) those two boundary lines with the full contents of `~/Droidnix/generated/hosts/$HOSTNAME/hardware-configuration.nix`.
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## Step 8 — Build and activate the NixOS configuration
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Change directory to `~/Droidnix` and run:
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```bash
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sudo nixos-rebuild switch --flake .#$HOSTNAME
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```
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## Step 9 — Inform the user
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Print the following message:
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```
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Installation complete. Please reboot your system.
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After rebooting, any changes to your NixOS configuration must be made in
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~/Droidnix/[README.org](http://README.org). Before rebuilding, first tangle the org file using:
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emacs --batch --no-init-file ~/Droidnix/[README.org](http://README.org) \
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--eval "(require 'org)" \
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--eval "(require 'ob-tangle)" \
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--eval "(find-file \"[README.org](http://README.org)\")" \
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--eval "(with-temp-message \"\" (org-babel-tangle))" \
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--eval "(with-temp-message \"\" (org-html-export-to-html))"
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Then rebuild with:
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cd ~/Droidnix && sudo nixos-rebuild switch --flake .#$(hostname)
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```
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