Include an up-to-date ChangeLog with every build

.gitlab-ci.yml

@@ -19,6 +19,7 @@ prepare:
   script:
   - find -path ./.git -prune -o -type f | xargs tools/style-check.sh
   - ./autogen.sh
+  - ./tools/create-changelog.sh
   - ./configure
   - make dist
   artifacts:

ChangeLog

@@ -1,6 +1,4 @@
-This file is automatically generated at release time using git commit
-messages.
-
-For the latest changes please refer to the output of `git log` or see:
-
-	https://gitlab.com/sane-project/backends/commits/master
+This file is automatically replaced at build time from the git commit
+messages and included in our source tarballs.  When you see this text
+you're using a `git checkout` and should use the `git log` command to
+see what has changed.

ChangeLogs/ChangeLog-1.0.27

@@ -1,3 +1,20 @@
+commit 82cd8f245cf26879b3f94348d4069dcec8d49f21 (tag: RELEASE_1_0_27, tag: 1.0.27)
+Author: m. allan noah <kitno455@gmail.com>
+Date:   2017-05-22 11:16:40 -0400
+
+    SANE-backends release 1.0.27
+
+    Moved old changelogs to new directory, and excluded them from
+    release tarball.
+
+    Improved release docs.
+
+    Updated config.* files
+
+    Bumped version numbers.
+
+    Wrote release notes.
+
 commit 16f3060061a17cbc54f3415a7e2abc1c35f3fcd2
 Author: Rolf Bensch <roben-guest@alioth.debian.org>
 Date:   Sat May 20 14:13:19 2017 +0200

tools/Makefile.am

@@ -34,6 +34,7 @@ CLEANFILES = $(bin_SCRIPTS) $(dist_noinst_SCRIPTS)
 EXTRA_DIST = check-po.awk libtool-get-dll-ext mustek600iin-off.c \
 	     RenSaneDlls.cmd README xerox
 EXTRA_DIST += style-check.sh
+EXTRA_DIST += create-changelog.sh
 
 sane_find_scanner_SOURCES = sane-find-scanner.c
 if have_usblib

tools/create-changelog.sh

@@ -0,0 +1,16 @@
+#!/bin/sh -u
+# tools/create-changelog.sh -- for inclusion in source tarballs
+# Copyright (C) 2019  Olaf Meeuwissen
+#
+# License: GPL-3.0+
+
+git log --date=iso8601 --decorate=short 1.0.27..HEAD \
+    | sed 's/^[ \t]*$//' \
+    > ChangeLog
+
+cat << EOF >> ChangeLog
+
+----------------------------------------------------------------------
+Older ChangeLog entries can be found in the ChangeLogs/ directory on a
+file per release basis.  Please note that 1.0.26 was never released.
+EOF