Install bash completion

Makefile.am

@@ -27,11 +27,13 @@ dist_man_MANS = \
 	bti.1 \
 	bti-shrink-urls.1
 
+bashcompdir = @bashcompdir@
+dist_bashcomp_DATA = bti-bashcompletion
+
 EXTRA_DIST = \
 	bti.xml \
 	bti-shrink-urls.xml \
 	bti.example \
-	bti-bashcompletion \
 	RELEASE-NOTES \
 	bti-shrink-urls
 
@@ -47,6 +49,13 @@ git-clean:
 distclean-local:
 	rm -rf autom4te.cache
 
+install-data-hook:
+	mv $(DESTDIR)$(bashcompdir)/bti-bashcompletion \
+	   $(DESTDIR)$(bashcompdir)/bti
+
+uninstall-hook:
+	$(RM) $(DESTDIR)$(bashcompdir)/bti
+
 PREVIOUS_VERSION = 0`expr $(VERSION) - 1`
 
 changelog:

configure.ac

@@ -22,6 +22,10 @@ PKG_CHECK_MODULES([JSON], [json-c])
 
 AC_SEARCH_LIBS([dlopen], [dl])
 
+PKG_CHECK_VAR(bashcompdir, [bash-completion], [completionsdir], ,
+    bashcompdir="${sysconfdir}/bash_completion.d")
+AC_SUBST(bashcompdir)
+
 AC_CONFIG_FILES([Makefile])
 
 AC_OUTPUT
@@ -34,6 +38,7 @@ echo "
 	prefix:                 ${prefix}
 	datarootdir:            ${datarootdir}
 	mandir:                 ${mandir}
+	bashcompdir:            ${bashcompdir}
 
 	compiler:               ${CC}
 	cflags:                 ${CFLAGS}