2 files changed, 38 insertions(+), 0 deletions(-)

A script/get-heroku-dump
A script/sync-heroku-db

@@ 0,0 1,14 @@
+#!/bin/sh
+mkdir -p /data/collection/heroku-db-backup/
+
+# backup the database for each supplied arg
+for application in "$@"
+do
+    mkdir -p /data/collection/heroku-db-backup/$application
+
+    # the last part of this output file name must be sortable for
+    # sync-heroku-db to find the latest backup
+    output="/data/collection/heroku-db-backup/$application/$(date +%s).dump";
+    heroku pg:backups:capture --app $application || exit 1
+    heroku pg:backups:download --app $application --output $output || exit 1
+done

@@ 0,0 1,24 @@
+#!/bin/sh
+application=$1
+
+# get a fresh backup of the database
+~/bin/get-heroku-dump $application || exit 1
+
+# the directory that get-heroku-dump creates
+backup_dir="/data/collection/heroku-db-backup/$application"
+
+# find the backup we just made. filename should be like 123456.dump, where the
+# number is a UNIX timestamp
+latest_backup=$(find "$backup_dir" -name "*.dump" -printf "%f\n" | sort -n --field-separator="." -k1 | tail -n 1)
+
+# this script assumes that you want to restore to the default postgres
+# instance, which should be running with no password. we also assume that you
+# only have one database ending in "_dev" or "_development". this works well if you're running
+# one postgres instance at a time with docker containers
+
+# find the first database ending in "_dev" or "_development". also trim whitespace with xargs
+db_name=$(psql -U postgres -h 0.0.0.0 -c "SELECT datname FROM pg_database" | grep -m 1 -E "(_dev|_development)$" | xargs)
+
+pg_restore --verbose --clean --no-acl --no-owner -h 0.0.0.0 -U postgres -d $db_name "$backup_dir/$latest_backup"
+
+echo "restored from $backup_dir/$latest_backup to $db_name"