Documenting singularity role

roles/Singularity/files/create-db.bash

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+#!/bin/bash
+set -Eeo pipefail
+sudo -u postgres createuser -W --createdb ttrss
+sudo -u postgres createdb -U ttrss ttrss
+sudo -u postgres psql ttrss -U ttrss -f /usr/share/webapps/tt-rss/sql/pgsql/schema.sql
+sudo -u http php /usr/share/webapps/tt-rss/update.php --update-schema

roles/Singularity/files/delete-db.bash

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+#!/bin/bash
+set -Eeo pipefail
+sudo -u postgres dropdb ttrss
+sudo -u postgres dropuser ttrss

roles/Singularity/files/test-backup.bash

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+#!/bin/bash
+
+backupfile="$HOME"/tt-rss.sql
+
+function test-backup() {
+    sudo -u postgres pg_dump -d ttrss > "$backupfile"
+}
+
+function test-restore() {
+    ./delete-db.bash
+    ./create-db.bash
+    cat "$backupfile" | sudo -u postgres psql -d ttrss
+}

roles/Singularity/files/tt-rss.hook

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+[Trigger]
+Operation = Install
+Operation = Upgrade
+Type = Package
+Target = tt-rss
+
+[Action]
+Description = Updating TT-RSS Database
+When = PostTransaction
+Exec = /usr/bin/runuser -u http -- /usr/bin/php /usr/share/webapps/tt-rss/update.php --update-schema=force-yes