Add RESTIC_VERBOSITY_LEVEL

Fixes #50

CHANGELOG.md

@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 ### Added
 - Allow extra arguments to restic-backup with `$RESTIC_BACKUP_EXTRA_ARGS`.
+- Add `$RESTIC_VERBOSITY_LEVEL` for debugging.
 
 ### Changed
 - Align terminology used in README with the one used by B2 for credentials (keyId + applicationKey pair).

etc/restic/_global.env.template

@@ -22,3 +22,7 @@ export B2_CONNECTIONS=10
 
 # Extra args to restic-backup. This is empty here and profiles can override this after sourcing this file.
 export RESTIC_BACKUP_EXTRA_ARGS=
+
+# Verbosity level from 0-3. 0 means no --verbose.
+# Override this value in a profile if needed.
+export RESTIC_VERBOSITY_LEVEL=0

usr/local/sbin/restic_backup.sh

@@ -47,7 +47,7 @@ wait $!
 # --one-file-system makes sure we only backup exactly those mounted file systems specified in $BACKUP_PATHS, and thus not directories like /dev, /sys etc.
 # --tag lets us reference these backups later when doing restic-forget.
 restic backup \
-	--verbose \
+	--verbose=$RESTIC_VERBOSITY_LEVEL \
 	--one-file-system \
 	--tag $BACKUP_TAG \
 	--option b2.connections=$B2_CONNECTIONS \
@@ -60,7 +60,7 @@ wait $!
 # See restic-forget(1) or http://restic.readthedocs.io/en/latest/060_forget.html
 # --group-by only the tag and path, and not by hostname. This is because I create a B2 Bucket per host, and if this hostname accidentially change some time, there would now be multiple backup sets.
 restic forget \
-	--verbose \
+	--verbose=$RESTIC_VERBOSITY_LEVEL \
 	--tag $BACKUP_TAG \
 	--option b2.connections=$B2_CONNECTIONS \
 	--prune \

usr/local/sbin/restic_check.sh

@@ -23,5 +23,5 @@ trap exit_hook INT TERM
 # Check repository for errors.
 restic check \
 	--option b2.connections=$B2_CONNECTIONS \
-	--verbose &
+	--verbose=$RESTIC_VERBOSITY_LEVEL &
 wait $!