From: Nick Bowler <nbowler@draconx.ca>
Date: Tue, 4 Feb 2020 05:12:51 +0000 (-0500)
Subject: Generate ChangeLog from git at packaging time.
X-Git-Url: https://git.draconx.ca/gitweb/gob-dx.git/commitdiff_plain/e103ddd3414aff249707e19e726082a2afb05037?ds=sidebyside;hp=e103ddd3414aff249707e19e726082a2afb05037

Generate ChangeLog from git at packaging time.

Import the gitlog-to-changelog script from gnulib and add rules to
generate an up-to-date changelog from the git history, if available,
when running 'make dist'.

The ChangeLog is otherwise taken from srcdir as usual, so that
modified versions can be prepared from a release tarball without
requiring the full git history.  In this scenario, the ChangeLog
would have to be manually edited.

In case the ChangeLog generation fails, a distcheck-hook is added to
hopefully catch issues before releasing tarballs with a broken
ChangeLog.
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