Refactor extension functions to add_extensions scripts

src/scripts/extensions/couchbase.sh

@@ -0,0 +1,43 @@
+# Function to install libraries required by couchbase
+add_couchbase_libs() {
+  if [ "$(uname -s)" = "Linux" ]; then
+    trunk="https://github.com/couchbase/libcouchbase/releases"
+    if [[ ${version:?} =~ 5.[3-6]|7.[0-1] ]]; then
+      release="2.10.9"
+    else
+      release="$(curl -sL $trunk/latest | grep -Eo "libcouchbase-[0-9]+\.[0-9]+\.[0-9]+" | head -n 1 | cut -d'-' -f 2)"
+    fi
+    deb_url="$trunk/download/$release/libcouchbase-${release}_ubuntu${VERSION_ID/./}_${VERSION_CODENAME}_amd64.tar"
+    get -q -n /tmp/libcouchbase.tar "$deb_url"
+    sudo tar -xf /tmp/libcouchbase.tar -C /tmp
+    install_packages libev4 libevent-dev
+    sudo dpkg -i /tmp/libcouchbase-*/*.deb
+  else
+    if [[ ${version:?} =~ 5.[3-6]|7.[0-1] ]]; then
+      brew install libcouchbase@2
+      brew link --overwrite --force libcouchbase@2
+    else
+      brew install libcouchbase
+    fi
+  fi
+}
+
+# Function to add couchbase.
+add_couchbase() {
+  add_couchbase_libs >/dev/null 2>&1
+  enable_extension "couchbase" "extension"
+  if check_extension "couchbase"; then
+    add_log "${tick:?}" "couchbase" "Enabled"
+  else
+    if [[ "${version:?}" =~ ${old_versions:?} ]]; then
+      pecl_install couchbase-2.2.3 >/dev/null 2>&1
+    elif [[ "${version:?}" =~ 5.6|7.[0-1] ]]; then
+      pecl_install couchbase-2.6.2 >/dev/null 2>&1
+    elif [[ "${version:?}" =~ 7.2 ]]; then
+      pecl_install couchbase-3.0.4 >/dev/null 2>&1
+    else
+      pecl_install couchbase >/dev/null 2>&1
+    fi
+    add_extension_log "couchbase" "Installed and enabled"
+  fi
+}