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WIP: Beautification of backups commands (MySQL, …) #21

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benpro wants to merge 4 commits from beautification-of-backups-commands into master
pull from: beautification-of-backups-commands
merge into: evolix:master
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@ -78,12 +78,14 @@ pick_server() {
return 1
fi
# Extract the day of month, without leading 0 (which would give an octal based number)
today=$(date +%e)
# A salt is useful to randomize the starting point in the list
# but stay identical each time it's called for a server (based on hostname).
salt=$(hostname | cksum | cut -d' ' -f1)
# Pick an integer between 0 and the length of the SERVERS list
# It changes each day
item=$(( ($(date +%e) + salt + increment) % list_length ))
item=$(( (today + salt + increment) % list_length ))
# cut starts counting fields at 1, not 0.
field=$(( item + 1 ))