comparison tests/test-revlog-packentry @ 5338:f87685355c9c

revlog: fix revlogio.packentry corner case

We want to store version information about the revlog in the first
entry of its index.  The code in packentry was using some heuristics
to detect whether this was the first entry, but these heuristics could
fail in some cases (e.g. rev 0 was empty; rev 1 descends directly from
the nullid and is stored as a delta).

We now give the revision number to packentry to avoid heuristics.

5338:f87685355c9c

#!/bin/sh

hg init repo
cd repo

touch foo
hg ci -Am 'add foo'

hg up -C null
# this should be stored as a delta against rev 0
echo foo bar baz > foo
hg ci -Am 'add foo again'

hg debugindex .hg/store/data/foo.i