Add a Makefile rule to generate a Changelog file

diff --git a/Makefile b/Makefile
index e076b13..d0c6b07 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -12,6 +12,9 @@ all:
 clean:
        rm -f tweeper.1
 
+changelog:
+       git log --pretty="format:%ai  %aN  <%aE>%n%n%x09* %s%d%n" > ChangeLog
+
 docs:
        a2x -f manpage tweeper.1.asciidoc