Tell PostgreSQL to trust local connections.

install/65_postgres.sh

 #!/bin/bash
+echo "[-] Checking for a local PostgreSQL installation..."
+CONF_FILE=$(/bin/ls /etc/postgresql/*/main/pg_hba.conf 2>/dev/null | head -1)
+if [ -z "${CONF_FILE}" ] ; then
+    echo '[x] No pg_hba.conf file under /etc/postgresql/*/main/ ... Aborting.'
+    exit 1
+else
+    echo '[-]     Good, found config file under '"${CONF_FILE}"
+fi
+echo "[-] Checking whether local connections to PostgreSQL are trusted..."
+if ! sudo grep '^local.*trust$' "${CONF_FILE}" >/dev/null 2>&1 ; then
+    echo "[-] Setting local connections to PostgreSQL as trusted..."
+    echo "local   all             all                                     trust" | \
+       sudo tee -a "${CONF_FILE}"
+else
+    echo '[-]     All good, already set as such.'
+fi
 echo "[-] Checking whether a local postgres DB install has a 'taste' user..."
 echo | psql -U taste postgres  2>/dev/null
 if [ $? -ne 0 ] ; then
@@ -10,7 +26,7 @@ if [ $? -ne 0 ] ; then
         exit 1
     fi
 else
-    echo '[-] Already there.'
+    echo '[-]     Already there.'
 fi
 PGPASS="$HOME/.pgpass"
 LINE='127.0.0.1:5432:*:postgres:tastevm'
@@ -21,5 +37,6 @@ if ! grep "${LINE/*/\\*}" "$PGPASS" >/dev/null 2>&1 ; then
     LINE='localhost:5432:*:postgres:tastevm'
     echo "$LINE" >> "$PGPASS"
 else
-    echo '[-] Already there.'
+    echo '[-]     Already stored.'
 fi
+chmod 600 "${PGPASS}"