Daniele Fucini
90a81ea960
weather-dump.timer runs weather-dump weekly, keeping the two newest ISO weeks in ~/.local/share/ens-forecast/dumps, which simple_backup then copies; the login comes from ~/.config/ens-forecast/dump.cnf (not tracked).
25 lines
753 B
Bash
Executable File
25 lines
753 B
Bash
Executable File
#!/bin/bash
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# Dump the Weather database (ens-forecast) to a per-ISO-week file, keeping the two newest weeks.
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set -euo pipefail
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cnf=${XDG_CONFIG_HOME:-$HOME/.config}/ens-forecast/dump.cnf
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dir=${XDG_DATA_HOME:-$HOME/.local/share}/ens-forecast/dumps
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out=$dir/Weather-$(date +%G-W%V).sql.gz
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keep=2
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umask 077
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mkdir -p "$dir"
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# Write to a temporary file so a failed dump never replaces a good one
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tmp=$(mktemp "$dir/.dump.XXXXXX")
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trap 'rm -f "$tmp"' EXIT
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mariadb-dump --defaults-extra-file="$cnf" --single-transaction --databases Weather | gzip > "$tmp"
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mv "$tmp" "$out"
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# Names sort by week, so all but the last $keep are the old ones
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dumps=("$dir"/Weather-*.sql.gz)
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if (( ${#dumps[@]} > keep )); then
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rm -f -- "${dumps[@]:0:${#dumps[@]}-keep}"
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fi
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