add moddatetime (contrib spi) (#190)

contrib/moddatetime/Dockerfile

@@ -0,0 +1,28 @@
+ARG PG_VERSION=15
+FROM quay.io/coredb/c-builder:pg${PG_VERSION}
+USER root
+
+# Extension build dependencies
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    libreadline-dev \
+    zlib1g-dev \
+    flex bison \
+    libxml2-dev \
+    libxslt-dev \
+    libssl-dev \
+    libxml2-utils \
+    xsltproc \
+    ccache
+
+# Clone repository
+RUN git clone https://github.com/postgres/postgres.git
+
+ARG PG_VERSION=15
+
+RUN cd postgres && \
+    git fetch origin REL_${PG_VERSION}_STABLE && \
+    git checkout REL_${PG_VERSION}_STABLE && \
+    ./configure && \
+    cd contrib/spi && \
+    make

contrib/moddatetime/Trunk.toml

@@ -0,0 +1,20 @@
+[extension]
+name = "moddatetime"
+version = "1.0.0"
+repository = "https://github.com/postgres/postgres/tree/master/contrib/spi"
+license = "PostgreSQL"
+description = "Functions for Tracking Last Modification Time."
+homepage = "https://www.postgresql.org"
+documentation = "https://www.postgresql.org/docs/current/contrib-spi.html"
+categories = ["auditing_logging"]
+
+[build]
+postgres_version = "15"
+platform = "linux/amd64"
+dockerfile = "Dockerfile"
+install_command = """
+    cd postgres/contrib/spi && make install
+    set -x
+    mv /usr/local/pgsql/share/extension/moddatetime* /usr/share/postgresql/15/extension
+    mv /usr/local/pgsql/lib/moddatetime* /usr/lib/postgresql/15/lib
+    """