Mercurial sync

daemon.sh

#!/bin/sh

WORKDIR=/tmp/repo-sync-workdir

# Read all the branches in the last 24 hours when starting to make sure we
# don't get out of sync

branches="$(hg log --template '{branch}\n' -d 'yesterday to now')"

trap "true" USR1  # This is a signal to wakeup from sleeping
echo $$ > "$WORKDIR/syncer.pid"

if [ -f "$WORKDIR/branches" ]; then
    mv -f "$WORKDIR/branches" "$WORKDIR/tmpbranches"
    branches="$branches $(cat $WORKDIR/tmpbranches)"
    rm "$WORKDIR/tmpbranches"
fi

branches="$(echo $branches | sort -u)"
git fetch origin $branches
git push origin $branches

while true; do
    if [ -f "$WORKDIR/branches" ]; then
        mv -f "$WORKDIR/branches" "$WORKDIR/tmpbranches"
        branches="$(cat $WORKDIR/tmpbranches | sort -u)"
        rm "$WORKDIR/tmpbranches"
        git fetch origin $branches
        git push origin $branches
        sleep 1  # Don't wakeup more frequently than every one second
    else
        sleep 600  # recheck in ten minutes or on signal
    fi
done

incominghook.sh

#!/bin/sh

WORKDIR=/tmp/repo-sync-workdir
branch="$(hg log -r $HG_NODE -T "{branch}")"

[ -d $WORKDIR ] || mkdir $WORKDIR

echo $branch >> $WORKDIR/branches
kill -USR1 "$(cat $WORKDIR/syncer.pid)" || true