cachy-auto-update: add package (1.0.0-1)

cachy-auto-update/pkg.sh

@@ -0,0 +1,27 @@
+# cachy-auto-update - unattended background updates for CachyOS
+# (https://github.com/Felitendo/cachy-auto-update).
+#
+# Pure shell plus a gettext catalog and a scdoc man page, so the PKGBUILD just
+# runs the upstream Makefile against the release tarball. Nothing is prebuilt
+# and nothing is republished - the AUR package builds exactly what the tag
+# contains.
+
+UPSTREAM_REPO="Felitendo/cachy-auto-update"
+
+# Installed in CI (pacman) before the makepkg test build.
+BUILD_DEPS=(gettext scdoc)
+
+latest_version() {
+  gh api "repos/$UPSTREAM_REPO/releases/latest" --jq '.tag_name' | sed 's/^v//'
+}
+
+# refresh_checksums <version> <pkgbuild-path>
+refresh_checksums() {
+  local ver="$1" pkgbuild="$2"
+  local sha
+
+  sha="$(curl -sfL "https://github.com/$UPSTREAM_REPO/archive/refs/tags/v$ver.tar.gz" \
+    | sha256sum | cut -d' ' -f1)"
+
+  sed -i "s|^sha256sums=.*|sha256sums=('$sha')|" "$pkgbuild"
+}