Add branchtags function with cache
- cache stores tipmost node and rev and node,label pairs
- if cache is out of date, scan new changesets
- write new cache out after scan
#!/bin/sh
hg init
echo a > a
hg ci -d '0 0' -Ama
hg an a
echo "[ui]" >> $HGRCPATH
echo "strict=True" >> $HGRCPATH
hg an a
hg annotate a
echo % should succeed - up is an alias, not an abbreviation
hg up