#!/bin/sh
+
+# use flock(1) from util-linux to avoid seek contention on slow HDDs
+# when using multiple `pull_threads' with grok-pull:
+# [ "${FLOCKER}" != "$0" ] && exec env FLOCKER="$0" flock "$0" "$0" "$@" || :
+
# post_update_hook for repos.conf as used by grok-pull, takes a full
# git repo path as it's first and only arg.
full_git_dir="$1"
inbox_dir=$(expr "$full_git_dir" : "$EPOCH2MAIN")
inbox_name=$(basename "$inbox_dir")
msgmap="$inbox_dir"/msgmap.sqlite3
+ inbox_lock="$inbox_dir"/inbox.lock
else
inbox_fmt=1
inbox_dir="$full_git_dir"
inbox_name=$(basename "$inbox_dir" .git)
msgmap="$inbox_dir"/public-inbox/msgmap.sqlite3
+ inbox_lock="$inbox_dir"/ssoma.lock
fi
# run public-inbox-init iff unconfigured
git config -f "$PI_CONFIG" \
"publicinbox.$inbox_name.infourl" "$url"
done
- curl -sSfv "remote_inbox_url"/description >"$inbox_dir"/description
+ curl -sSfv "$remote_inbox_url"/description >"$inbox_dir"/description
echo "I: $inbox_name at $inbox_dir ($addresses) $local_url"
;;
esac
# don't know what indexlevel a user wants
if test -f "$msgmap"
then
- n=$(echo 'SELECT COUNT(*) FROM msgmap' | sqlite3 -readonly "$msgmap")
+ # We need to use flock(1) (from util-linux) to avoid timeouts
+ # and SQLite locking problems.
+ # FreeBSD has a similar lockf(1) utility, but it unlinks by
+ # default so we use `-k' to keep the lock on the FS.
+ FLOCK=flock
+ case $(uname -s) in
+ FreeBSD) FLOCK='lockf -k' ;;
+ # ... other OSes here
+ esac
+
+ n=$(echo 'SELECT COUNT(*) FROM msgmap' | \
+ $FLOCK $inbox_lock sqlite3 -readonly "$msgmap")
case $n in
0|'')
: v2 inboxes may be init-ed with an empty msgmap
;;
*)
+ # if on HDD and limited RAM, add `--sequential-shard'
+ # and possibly a large `--batch-size' if you have much
+ # memory in public-inbox 1.6.0+
$EATMYDATA public-inbox-index -v "$inbox_dir"
;;
esac