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beinstall: try to save progress from pkg updates.

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This is primarily aimed at failed updates due to package conflicts, and
affects treatment of failed updates.  Whereas before potentially a large
number of packages would need to be synced for each attempt, they can now
be persisted.  Requires rsync.  There may be better ways to implement this,
e.g. using secondary cache path that is only used on followup attempts and
then wiped on success, which avoids polluting current cache.
This commit is contained in:
will 2018-12-27 23:27:48 +00:00
parent 54a75ebdf1
commit e06514ae9a
1 changed files with 12 additions and 0 deletions
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12
tools/build/beinstall.sh
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@ -82,6 +82,14 @@ unmount_be() {
mount | grep " on ${BE_MNTPT}" | awk '{print $3}' | sort -r | xargs -t umount -f
}
copy_pkgs() {
# Before cleaning up, try to save progress in pkg(8) updates, to
# speed up future updates. This is only called on the error path;
# no need to run on success.
echo "Rsyncing back newly saved packages..."
rsync -av --progress ${BE_MNTPT}/var/cache/pkg/. /var/cache/pkg/.
}
cleanup_be() {
# Before destroying, unmount any child filesystems that may have
# been mounted under the boot environment. Sort them in reverse
@ -225,6 +233,10 @@ if [ -n "${CONFIG_UPDATER}" ]; then
[ $? -ne 0 ] && errx "${CONFIG_UPDATER} (post-world) failed!"
fi
if which rsync >/dev/null 2>&1; then
cleanup_commands="copy_pkgs ${cleanup_commands}"
fi
BE_PKG="chroot ${BE_MNTPT} env ASSUME_ALWAYS_YES=true pkg"
if [ -z "${NO_PKG_UPGRADE}" ]; then
${BE_PKG} update || errx "Unable to update pkg"