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Also expand env vars in pruning prefix if configured

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This commit is contained in:
Frederik Ring 2021-12-23 09:22:56 +01:00
parent c062710ce8
commit 32575c831e
2 changed files with 5 additions and 4 deletions
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8
README.md
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@ -123,10 +123,10 @@ You can populate below template according to your requirements and use it as you
# BACKUP_FILENAME="backup-%Y-%m-%dT%H-%M-%S.tar.gz"
# Setting BACKUP_FILENAME_EXPAND to true allows for environment variable
# placeholders in BACKUP_FILENAME and in BACKUP_LATEST_SYMLINK that will get
# expanded at runtime, e.g. `backup-$HOSTNAME-%Y-%m-%dT%H-%M-%S.tar.gz`.
# Expansion happens before interpolating strftime tokens.
# It is disabled by default.
# placeholders in BACKUP_FILENAME, BACKUP_LATEST_SYMLINK and in
# BACKUP_PRUNING_PREFIX that will get expanded at runtime,
# e.g. `backup-$HOSTNAME-%Y-%m-%dT%H-%M-%S.tar.gz`. Expansion happens before
# interpolating strftime tokens. It is disabled by default.
# Please note that you will need to escape the `$` when providing the value
# in a docker-compose.yml file, i.e. using $$VAR instead of $VAR.

1
cmd/backup/main.go
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@ -157,6 +157,7 @@ func newScript() (*script, error) {
if s.c.BackupFilenameExpand {
s.file = os.ExpandEnv(s.file)
s.c.BackupLatestSymlink = os.ExpandEnv(s.c.BackupLatestSymlink)
s.c.BackupPruningPrefix = os.ExpandEnv(s.c.BackupPruningPrefix)
}
s.file = timeutil.Strftime(&s.start, s.file)