Simon Sapin <simon.sapin@octobus.net> [Mon, 25 Jan 2021 12:31:40 +0100] rev 46497
rust: Exclude empty node prefixes
We presumably don’t want `--rev ""` to select every single revision,
even though the empty string is a prefix of all strings.
Differential Revision: https://phab.mercurial-scm.org/D9862
Simon Sapin <simon.sapin@octobus.net> [Mon, 25 Jan 2021 12:28:39 +0100] rev 46496
rust: Simplify error type for reading hex node IDs
If a string is not valid hexadecimal it’s not that useful to track the precise reason.
Differential Revision: https://phab.mercurial-scm.org/D9861