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| 1 | +#!/usr/bin/env bash |
| 2 | +set -euo pipefail |
| 3 | + |
| 4 | +REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)" |
| 5 | +TARGET_FILE="$REPO_ROOT/modules/caddy/default.nix" |
| 6 | + |
| 7 | +ARCH=$(uname -m) |
| 8 | +case "$ARCH" in |
| 9 | + x86_64) SYSTEM="x86_64-linux" ;; |
| 10 | + aarch64) SYSTEM="aarch64-linux" ;; |
| 11 | + *) |
| 12 | + echo "Unsupported architecture: $ARCH" >&2 |
| 13 | + exit 1 |
| 14 | + ;; |
| 15 | +esac |
| 16 | + |
| 17 | +echo "=== Updating Caddy replace-response plugin ===" |
| 18 | + |
| 19 | +# Get latest commit for caddyserver/replace-response |
| 20 | +RESPONSE=$(curl -sf "https://api.github.com/repos/caddyserver/replace-response/commits?per_page=1") |
| 21 | +NEW_SHA=$(echo "$RESPONSE" | jq -r '.[0].sha') |
| 22 | +COMMIT_DATE=$(echo "$RESPONSE" | jq -r '.[0].commit.committer.date') |
| 23 | + |
| 24 | +# Build Go pseudo-version: v0.0.0-YYYYMMDDHHMMSS-<first 12 chars of SHA> |
| 25 | +TIMESTAMP=$(date -u -d "$COMMIT_DATE" '+%Y%m%d%H%M%S') |
| 26 | +NEW_VERSION="v0.0.0-${TIMESTAMP}-${NEW_SHA:0:12}" |
| 27 | + |
| 28 | +CURRENT_VERSION=$(grep -o 'replace-response@[^"]*' "$TARGET_FILE" | head -1 | cut -d'@' -f2) |
| 29 | + |
| 30 | +if [[ "$NEW_VERSION" == "$CURRENT_VERSION" ]]; then |
| 31 | + echo " replace-response: already at $CURRENT_VERSION" |
| 32 | + echo "Done." |
| 33 | + exit 0 |
| 34 | +fi |
| 35 | + |
| 36 | +echo " replace-response: $CURRENT_VERSION → $NEW_VERSION" |
| 37 | + |
| 38 | +# Update version string first |
| 39 | +sed -i "s|replace-response@${CURRENT_VERSION}|replace-response@${NEW_VERSION}|g" "$TARGET_FILE" |
| 40 | + |
| 41 | +# Get current vendorHash |
| 42 | +CURRENT_HASH=$(grep -A3 'pkgs.caddy.withPlugins' "$TARGET_FILE" | |
| 43 | + grep 'hash = ' | sed 's/.*hash = "\(.*\)".*/\1/') |
| 44 | + |
| 45 | +# Build with fake hash to obtain the real vendorHash from the error output |
| 46 | +TMP_NIX=$(mktemp --suffix=.nix) |
| 47 | +trap "rm -f $TMP_NIX" EXIT |
| 48 | + |
| 49 | +cat >"$TMP_NIX" <<EOF |
| 50 | +let |
| 51 | + flake = builtins.getFlake "path:${REPO_ROOT}"; |
| 52 | + pkgs = flake.inputs.nixpkgs.legacyPackages.${SYSTEM}; |
| 53 | +in pkgs.caddy.withPlugins { |
| 54 | + plugins = [ "github.com/caddyserver/replace-response@${NEW_VERSION}" ]; |
| 55 | + hash = "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA="; |
| 56 | +} |
| 57 | +EOF |
| 58 | + |
| 59 | +echo " Computing new vendorHash (this may take a moment)..." |
| 60 | +BUILD_OUTPUT=$(nix build --impure --file "$TMP_NIX" --no-link 2>&1 || true) |
| 61 | + |
| 62 | +NEW_HASH=$(echo "$BUILD_OUTPUT" | grep "got:" | grep -o 'sha256-[A-Za-z0-9+/]*=' | tail -1) |
| 63 | + |
| 64 | +if [[ -z "$NEW_HASH" ]]; then |
| 65 | + echo "Error: could not determine new vendorHash" >&2 |
| 66 | + echo "nix build output:" >&2 |
| 67 | + echo "$BUILD_OUTPUT" >&2 |
| 68 | + # Restore original version |
| 69 | + sed -i "s|replace-response@${NEW_VERSION}|replace-response@${CURRENT_VERSION}|g" "$TARGET_FILE" |
| 70 | + exit 1 |
| 71 | +fi |
| 72 | + |
| 73 | +echo " New vendorHash: $NEW_HASH" |
| 74 | +sed -i "s|${CURRENT_HASH}|${NEW_HASH}|g" "$TARGET_FILE" |
| 75 | + |
| 76 | +echo "" |
| 77 | +echo "Done." |
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