revlog: add punched revision flag
index flag to identify a revision as punched, i.e. it contains no data.
REVIDX_PUNCHED_FLAG = 2, is used to mark a revision as punched.
REVIDX_KNOWN_FLAGS is the accumulation of all index flags.
#!/bin/sh
#
hg init foo
cd foo
touch a
unset HGUSER
echo "[ui]" >> .hg/hgrc
echo "username= foo" >> .hg/hgrc
echo " bar1" >> .hg/hgrc
hg ci -Am m
rm .hg/hgrc
HGUSER=`(echo foo; echo bar2)` hg ci -Am m
hg ci -Am m -u "`(echo foo; echo bar3)`"
true