[gimp] configure, data: create/install the gimp-release file.

[Jehan <jehanp src gnome org>]

commit f98e506712fe0aec70d678698d3236e81f9683f4
Author: Jehan <jehan girinstud io>
Date:   Fri Feb 14 00:56:22 2020 +0100

    configure, data: create/install the gimp-release file.

 configure.ac     | 6 +++---
 data/Makefile.am | 2 ++
 2 files changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 6ad90b172f..380cbd5ec7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2647,10 +2647,10 @@ AC_DEFINE_UNQUOTED(GIMP_BUILD_ID, "$with_build_id",
                    [The string defining the build])
 
 AC_ARG_WITH(revision,
-            [  --with-revision   Revision increment for a same build/version/platform],,
+            [  --with-revision   Revision increment for a package],,
             [with_revision="0"])
-AC_DEFINE_UNQUOTED(GIMP_BUILD_REVISION, $with_revision,
-                   [The revision increment for a same build/version/platform])
+GIMP_PACKAGE_REVISION=$with_revision
+AC_SUBST(GIMP_PACKAGE_REVISION)
 
 AC_ARG_ENABLE(check-update,
               [  --disable-check-update
diff --git a/data/Makefile.am b/data/Makefile.am
index 10c6238f9e..09977daed4 100644
--- a/data/Makefile.am
+++ b/data/Makefile.am
@@ -17,3 +17,5 @@ fontdir = $(gimpdatadir)/fonts
 
 install-data-local:
        $(mkinstalldirs) $(DESTDIR)$(fontdir)
+       echo '[package]' > $(DESTDIR)$(gimpdatadir)/gimp-release
+       echo 'revision=@GIMP_PACKAGE_REVISION@' >> $(DESTDIR)$(gimpdatadir)/gimp-release