4 [ "$(id -u)" -eq 0 ] || exec sudo "${0}" "${@}"
7 meh() { printf " \033[1;32m*\033[0m %s\n" "${*}"; }
8 omg() { printf " \033[1;33m*\033[0m %s\n" "${*}"; }
9 wtf() { printf " \033[1;31m*\033[0m %s\n" "${*}"; kill $$; exit 1; }
11 sync="rsync://paka/freebsd-ports"
14 upstream=alba/srcs/freebsd/ports/upstream
15 prepare=alba/srcs/freebsd/ports/prepare
17 today="$(date +%Y-%m-%d)"
18 ports_origin="$(zfs get -H -o value origin "${ports}")"
19 ports_origin="${ports_origin%%@*}"
20 ports_fs="$(zfs get -H -o value mountpoint "${ports}")"
21 upstream_fs="$(zfs get -H -o value mountpoint "${upstream}")"
23 # Make sure the ports tree is a descendent of the ports upstream
24 [ "${ports_origin}" = "${upstream}" ] || wtf "Target ${ports} is not a child of ${upstream}
27 # Compute the next available snapshot
28 last_snapshot="$(zfs list -rHt snapshot -o name "${upstream}" | grep "@${today}_" | sort | tail -n 1 | sed -e 's/^.*_\([0-9]\{2\}\)$/\1/')"
29 if [ "${last_snapshot}" ]
31 snapshot="$(printf "${today}_%02u" "$(( ${last_snapshot} + 1 ))")"
32 echo "${today}_${last_snapshot} -> ${snapshot}"
34 snapshot="${today}_00"
35 echo "None -> ${snapshot}"
38 # Bail out if anything is /
39 [ -z "${ports_fs}" -o -z "${upstream_fs}" ] && wtf "Writing to /? Are you nuts?"
42 rsync --archive --compress --delete --hard-links --sparse --stats --verbose "${sync}/" "${upstream_fs}/" || wtf "update failed"
45 zfs snapshot "${upstream}@${snapshot}" || wtf "snapshot failed"
48 zfs clone "${upstream}@${snapshot}" "${prepare}" || wtf "clone failed"
50 # Resolve filesystem mountpoints, now that everything should exist
51 prepare_fs="$(zfs get -H -o value mountpoint "${prepare}")"
54 ( cd ports; find * | cpio -p "${prepare_fs}" ) || wtf "overlay failed"
57 for patch in patch/*.patch
60 ( cd "${prepare_fs}"; patch -p0 ) < "${patch}" || wtf "patch failed"
64 zfs rename "${ports}" "${ports}-bak" || wtf "backup rename failed"
65 zfs rename "${prepare}" "${ports}" || wtf "rename prepare -> ports failed"
66 zfs inherit mountpoint "${ports}-bak" || wtf "inherit failed"
67 zfs set mountpoint="${ports_fs}" "${ports}" || wtf "mountpoint failed"
68 zfs destroy "${ports}-bak" || wtf "destroy failed"