39 lines
1.1 KiB
Bash
Executable File
39 lines
1.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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# your hostname (flake target)
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hostname="$(hostname)"
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old_gen=$(nixos-rebuild list-generations | grep current | awk '{print $1}')
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gen=$((old_gen + 1))
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timestamp=$(date '+%Y-%m-%d %H:%M:%S')
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nix_dir="$HOME/.nix"
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logfile="$nix_dir/.nixos-switch-log"
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pushd "$nix_dir" >/dev/null
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# function to get current nixos generation
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get_current_generation() {
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nixos-rebuild list-generations
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}
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echo "diffs:"
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git diff
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git status --short
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read -rp "commit message: " commit_msg
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echo "rebuilding nixos with flake.nix..."
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if ! sudo nixos-rebuild switch --flake .#"$hostname" 2>&1 | tee "$logfile"; then
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echo "rebuild failed; exited with no commit"
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exit 1
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fi
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if sed -n '3p' flake.nix | grep -q '^# generation:'; then
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# replace the comment on line 3
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sed -i "3s|^# generation:.*|# generation: $gen, timestamp: $timestamp|" flake.nix
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else
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# insert comment on line 3
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sed -i "3i# generation: $gen, timestamp: $timestamp" flake.nix
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fi
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echo "committing..."
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git add $nix_dir
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git commit -m "$commit_msg"
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echo "flake rebuild and commit fin"
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