[PATCH 3/3] maint: Allow amendments to git log when generating ChangeLog

Eric Blake <[email protected]>
Newsgroups gmane.comp.sysutils.autoconf.patches
Message-ID <[email protected]>
Copied from Coreutils.  Note that git-log-fix does not yet
exist, and even when it does, it will not be part of the
tarball (since it only makes sense in the context of a git
checkout).

* Makefile.am (gen-ChangeLog): Allow for corrections.

Signed-off-by: Eric Blake <[email protected]>
---
 Makefile.am | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Makefile.am b/Makefile.am
index 296f2b5..b672d66 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -86,7 +86,11 @@ gen_start_date = 2012-01-15 18:00:00 UTC
 .PHONY: gen-ChangeLog
 gen-ChangeLog:
 	if test -d $(top_srcdir)/.git; then \
-	  $(top_srcdir)/build-aux/gitlog-to-changelog \
+	  log_fix="$(srcdir)/build-aux/git-log-fix";			\
+	  test -e "$$log_fix"						\
+	    && amend_git_log="--amend=$$log_fix"			\
+	    || amend_git_log=;						\
+	  $(top_srcdir)/build-aux/gitlog-to-changelog $$amend_git_log	\
 	    --since='$(gen_start_date)' > $(distdir)/cl-t \
 	    && rm -f $(distdir)/ChangeLog \
 	    && mv $(distdir)/cl-t $(distdir)/ChangeLog; \
-- 
2.9.3
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