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40 lines
2 KiB
Bash
Executable file
40 lines
2 KiB
Bash
Executable file
#! /usr/bin/env bash
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# vim: set filetype=sh ts=4 sw=4 sts=4 et:
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#
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# This scripts removes the empty folders that may pile up in each users' home
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# directory, under the ttyrec/ folder. As every server they connect to has its
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# own folder there (1 IP = 1 folder), and as ttyrecs are rotated and moved out by
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# the `osh-encrypt-rsync.pl` script, we might end up with a lot of empty
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# subfolders there. This is especially true for users that tend to connect to
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# a lot of different servers (maybe to never connect there again) over the course of time.
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basedir=$(readlink -f "$(dirname "$0")"/../..)
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# shellcheck source=lib/shell/functions.inc
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. "$basedir"/lib/shell/functions.inc
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# default config values for this script
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MTIME_DAYS=1
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# set error trap, read config, setup logging, exit early if script is disabled, etc.
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script_init osh-remove-empty-folders config_optional check_secure_lax
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# first, we list all the directories to get a count
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_log "Counting the number of directories before the cleanup..."
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nbdirs_before=$(find /home/ -mindepth 3 -maxdepth 3 -type d -regextype egrep -regex '^/home/[^/]+/ttyrec/[0-9.]+$' -print | wc -l)
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_log "We have $nbdirs_before directories, removing empty ones..."
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# then we pass them all through rmdir, it'll just fail on non-empty ones.
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# this is (way) faster than trying to be smart and listing each and every directory's contents first.
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find /home/ -mindepth 3 -maxdepth 3 -type d -mtime +$MTIME_DAYS -regextype egrep -regex '^/home/[^/]+/ttyrec/[0-9.]+$' -print0 | xargs -r0 rmdir -- 2>/dev/null
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# finally, see how many directories remain
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_log "Counting the number of directories after the cleanup..."
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nbdirs_after=$(find /home/ -mindepth 3 -maxdepth 3 -type d -regextype egrep -regex '^/home/[^/]+/ttyrec/[0-9.]+$' -print | wc -l)
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_log "Finally deleted $((nbdirs_before - nbdirs_after)) directories in this run"
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# note that there is a slight TOCTTOU in the counting, as some external process might actually *add*
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# directories so our count might be slightly wrong, but as this is just for logging sake, this is not an issue
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exit_success
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