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|
#!/bin/sh
set -eu
usage() {
cat <<-'EOF'
Usage:
gc [TYPE...]
gc -h
EOF
}
help() {
cat <<-'EOF'
Options:
-h, --help show this message
TYPE what to do GC on (default: all):
- guix
- nix
- trash
- tmpdir
- coredump
- docker
Free disk space system-wide.
Examples:
Just run it, for all:
$ gc
Cleanup trash and tmpdir:
$ gc trash tmpdir
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, $2 }'
}
gc_guix() {
if [ ! -e /gnu/ ]; then
return
fi
guix home delete-generations 1m ||:
guix gc -d 1m
if [ -e /var/guix/profiles/system ]; then
pass show "$(hostname)"/andreh | head -n1 |
sudo -iS guix system delete-generations 1m ||:
pass show "$(hostname)"/andreh | head -n1 |
sudo -iS guix gc -d 1m ||:
fi
}
gc_nix() {
return
if [ ! -e /nix/ ]; then
return
fi
PROFILES='
/nix/var/nix/profiles/per-user/root/channels
/nix/var/nix/profiles/system
'
for p in $PROFILES; do
pass show "$(hostname)"/andreh | head -n1 |
sudo -iS nix-env --delete-generations old -p "$p"
done
nix-env --delete-generations old
nix-store --gc
nix-collect-garbage -d
}
gc_trash() {
yes | trash-empty
}
gc_tmpdir() {
find "${TMPDIR:-/tmp}" '(' -type f -or -type d ')' -atime +10 -exec rm -vrf {} \; ||:
}
gc_coredump() {
find /var/crash/ -type f -user "$USER" -exec rm -vf {} \;
}
gc_docker() {
if ! command -v docker; then
return
fi
yes | docker system prune -a
docker rmi "$(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
}
TYPES='
guix
nix
trash
tmpdir
docker
'
if [ $# -eq 0 ]; then
# shellcheck disable=2086
set -- $TYPES
fi
for type in "$@"; do
CMD=gc_"$type"
if ! command -v "$CMD" >/dev/null; then
printf 'Invalid TYPE: "%s".\n\n' "$type" >&2
usage >&2
exit 2
fi
done
BEFORE="$(disk)"
for type in "$@"; do
CMD=gc_"$type"
set -x
"$CMD"
{ set +x; } 2>/dev/null
done
AFTER="$(disk)"
cat <<-EOF
Disk space:
before: $BEFORE
after: $AFTER
EOF
|
