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Add check to prevent division by zero during backup status

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yodax 2017-04-03 14:30:42 +02:00 committed by Joshua Tauberer
parent cd39c2b53f
commit 6e04eb490f
1 changed files with 1 additions and 1 deletions
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management/backup.py
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@ -115,7 +115,7 @@ def backup_status(env):
# full backup. That full backup frees up this one to be deleted. But, the backup # full backup. That full backup frees up this one to be deleted. But, the backup
# must also be at least min_age_in_days old too. # must also be at least min_age_in_days old too.
deleted_in = None deleted_in = None
if incremental_count > 0 and first_full_size is not None: if incremental_count > 0 and incremental_size > 0 and first_full_size is not None:
# How many days until the next incremental backup? First, the part of # How many days until the next incremental backup? First, the part of
# the algorithm based on increment sizes: # the algorithm based on increment sizes:
est_days_to_next_full = (.5 * first_full_size - incremental_size) / (incremental_size/incremental_count) est_days_to_next_full = (.5 * first_full_size - incremental_size) / (incremental_size/incremental_count)