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feat: test-configuration script get real errors

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This commit is contained in:
Dominik Polakovics Polakovics
2025-12-01 16:17:28 +01:00
parent 1d182437db
commit 209bafd70f
1 changed files with 24 additions and 9 deletions
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33
scripts/test-configuration
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@@ -19,9 +19,9 @@ fi
HOSTNAME="$1"
# Check if 'nixos-rebuild' command is available
if ! command -v nixos-rebuild > /dev/null; then
echo "ERROR: 'nixos-rebuild' command not found. Please ensure it is installed and in your PATH." >&2
# Check if 'nix-instantiate' command is available
if ! command -v nix-instantiate > /dev/null; then
echo "ERROR: 'nix-instantiate' command not found. Please ensure Nix is installed and in your PATH." >&2
exit 1
fi
@@ -38,27 +38,42 @@ if [ ! -f "$CONFIG_PATH" ]; then
exit 1
fi
# Check for host-specific channel file
CHANNEL_PATH="$SCRIPT_DIR/../hosts/$HOSTNAME/channel"
CHANNEL_OPT=""
if [ -f "$CHANNEL_PATH" ]; then
CHANNEL_URL=$(cat "$CHANNEL_PATH")
# Append /nixexprs.tar.xz to get the actual tarball URL
TARBALL_URL="${CHANNEL_URL}/nixexprs.tar.xz"
echo "INFO: Using channel '$TARBALL_URL' from '$CHANNEL_PATH'."
CHANNEL_OPT="-I nixpkgs=$TARBALL_URL"
else
echo "WARNING: No channel file found at '$CHANNEL_PATH'. Using system default." >&2
fi
echo "INFO: Attempting dry-build for host '$HOSTNAME' using configuration '$CONFIG_PATH'..."
if [ "$VERBOSE" = true ]; then
echo "INFO: Verbose mode enabled, --show-trace will be used."
fi
# Execute nixos-rebuild dry-build
# Store the output and error streams, and the exit code
NIX_OUTPUT_ERR=$(nixos-rebuild dry-build $SHOW_TRACE_OPT -I nixos-config="$CONFIG_PATH" --show-trace 2>&1)
# Execute nix-instantiate to evaluate the configuration
# nix-instantiate fetches fresh tarballs and catches all evaluation errors
# unlike nixos-rebuild which may use cached results
NIX_OUTPUT_ERR=$(nix-instantiate $SHOW_TRACE_OPT $CHANNEL_OPT -I nixos-config="$CONFIG_PATH" '<nixpkgs/nixos>' -A system 2>&1)
NIX_EXIT_STATUS=$?
# Check the exit status
if [ "$NIX_EXIT_STATUS" -eq 0 ]; then
echo "INFO: Dry-build for host '$HOSTNAME' completed successfully."
if [ "$VERBOSE" = true ]; then
echo "Output from nixos-rebuild:"
echo "Output from nix-instantiate:"
echo "$NIX_OUTPUT_ERR"
fi
exit 0
else
echo "ERROR: Dry-build for host '$HOSTNAME' failed. 'nixos-rebuild' exited with status $NIX_EXIT_STATUS." >&2
echo "Output from nixos-rebuild:" >&2
echo "ERROR: Dry-build for host '$HOSTNAME' failed. 'nix-instantiate' exited with status $NIX_EXIT_STATUS." >&2
echo "Output from nix-instantiate:" >&2
echo "$NIX_OUTPUT_ERR" >&2
exit "$NIX_EXIT_STATUS"
fi