aboutsummaryrefslogtreecommitdiff
path: root/bin/gc
blob: 23a0436954b26a416cdf657e09fca4f32784b846 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
#!/bin/sh
set -eu

usage() {
	cat <<-'EOF'
		Usage:
		  gc
		  gc -h
	EOF
}

help() {
	cat <<-'EOF'

		Options:
		  -h, --help    show this message


		Free disk space system-wide.


		Examples:

		  Just run it:

		    $ gc
	EOF
}

for flag in "$@"; do
	case "$flag" in
		--)
			break
			;;
		--help)
			usage
			help
			exit
			;;
		*)
			;;
	esac
done

while getopts 'h' flag; do
	case "$flag" in
		h)
			usage
			help
			exit
			;;
		*)
			usage >&2
			exit 2
			;;
	esac
done
shift $((OPTIND - 1))


disk() {
	df -h . |
		awk 'NR == 2 { printf "%s - %s/%s\n", $4, $3, $2 }'
}


gc_guix() {
	pass show velhinho/0-andreh-password | sudo -S guix system delete-generations
	guix home delete-generations
	guix gc -d
}

gc_nohup() {
	find ~/ -type f -name 'nohup.out' -exec rm -vf "{}" \;
}

gc_trash() {
	yes | trash-empty
}

gc_tmpdir() {
	find /tmp/ -type f -atime +10 -exec rm -vf "{}" \; ||:
}

gc_docker() {
	if command -v docker; then
		yes | docker system prune -a
		docker rmi  "$(docker images -a -q)"              ||:
		docker rm   "$(docker ps -a -f status=exited -q)" ||:
		docker stop "$(docker ps -a -q)"                  ||:
		docker rm   "$(docker ps -a -q)"                  ||:
		yes | docker volume prune
		yes | docker container prune
	fi
}

gc_email() {
	notmuch search --output=files --exclude=false tag:killed |
		xargs -I{} rm -vf "{}"
}


BEFORE="$(disk)"
gc_guix
gc_nohup
gc_trash
gc_tmpdir
gc_docker
gc_email
wait
AFTER="$(disk)"

printf 'Disk space:\n'
printf '  before: %s\n' "$BEFORE"
printf '  after:  %s\n' "$AFTER"