[PATCH 1/1] building from git: use --abbrev=7 for version string

[David Bremner]

Tomi Ollila <tomi.ollila at iki.fi> writes:

> Users may have set core.abbrev=n, where n != 7 in their git config
> file(s) which would give them different than expected version strings
> when building notmuch from git. This fixes the commit hash part of
> version string to 7 hexadecimal values.

pushed to master

d