fix: use major.minor version for deb package suffix

Make use of the major.minor versions pinned in versions.yaml file for
the deb package suffix.

Author: niconosenzo

build_scripts/pg_version.sh

@@ -1,12 +1,14 @@
 #!/bin/bash
 
+SCRIPT_DIR="${BASH_SOURCE[0]%/*}"
+
 MAJOR="${1}"
 if [ -z "${MAJOR}" ]; then
 	echo "missing major version"
 	exit 2
 fi
 
-PINNED=$(yq ".postgres_versions.${MAJOR}" /build/scripts/versions.yaml)
+PINNED=$(yq ".postgres_versions[\"${MAJOR}\"]" "$SCRIPT_DIR/versions.yaml")
 if [ "${PINNED}" = "null" ]; then
 	echo "could not find ${MAJOR} pinned version"
 	exit 2

build_scripts/shared_install.sh

@@ -59,11 +59,12 @@ ensure_packagecloud_repo() {
 install_timescaledb_for_pg_version() {
     local pg_version=$1
     local ts_version=$2
+    local pg_full_suffix=$3
     local package_suffix
     local loader_package
     local main_package
 
-    package_suffix=$(get_package_suffix "${ts_version}")
+    package_suffix=$(get_package_suffix "${ts_version}")-"${pg_full_suffix}"
     log "package suffix: ${package_suffix}"
 
     # construct package names
@@ -88,6 +89,15 @@ install_timescaledb_for_pg_version() {
     log "successfully installed TimescaleDB ${ts_version} for PostgreSQL ${pg_version}"
 }
 
+# 18.1 -> 1801
+# 18.10 -> 1810
+format_pg_major_minor_version() {
+    local pg_version=$1
+    local major="${pg_version%%.*}"
+    local minor="${pg_version#*.}"
+    echo $((major * 100 + minor))
+}
+
 install_timescaledb() {
     local version="$1" pg pkg=timescaledb unsupported_reason oss_only=""
     [ "$OSS_ONLY" = true ] && oss_only="-DAPACHE_ONLY=1"
@@ -122,6 +132,9 @@ install_timescaledb() {
             continue
         fi
 
+        pg_full_version=$("$SCRIPT_DIR/pg_version.sh" "${pg}")
+        pg_full_suffix=$(format_pg_major_minor_version "${pg_full_version}")
+
         log "installing $pkg-$version for pg$pg"
 
         [[ "$DRYRUN" = true ]] && continue
@@ -131,7 +144,7 @@ install_timescaledb() {
         if [[ "$version" =~ ^[0-9]+\.[0-9]+\.[0-9]+ ]] && [ "$(printf '%s\n' "$version" "2.24.0" | sort -V | tail -n1)" = "$version" ]; then
             log "installing deb package for $pkg-$version for pg$pg"
 
-            install_timescaledb_for_pg_version "${pg}" "${version}"
+            install_timescaledb_for_pg_version "${pg}" "${version}" "${pg_full_suffix}"
             err=$?
 
             if [ $err -eq 0 ]; then