Add a command to display the list of supported update-* targets

1 files changed, 7 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index c004efd998..363008f9f1 100644
--- a/Makefile
+++ b/Makefile
@@ -119,6 +119,13 @@ update-main: $(foreach release,$(MAIN_RELEASES),update-$(release))
 update-security: $(foreach release,$(SECURITY_RELEASES),update-$(release)_security)
 update-backports: $(foreach release,$(BACKPORT_RELEASES),update-$(release)_backports)
 
+supported-update-targets:
+	@echo -n "unstable testing stable oldstable oldoldstable "
+	@echo -n "testing-security stable-security oldstable-security oldoldstable-security "
+	@echo -n "main security backports "
+	@echo -n "$(RELEASES) "
+	@echo -n "lists nvd"
+
 # Other custom update rules
 update-lists:
 	git fetch -q origin && git checkout -f origin/master -- data