1 files changed, 16 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 8cc3420..71865a0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,8 @@
 .POSIX:
 PREFIX = /usr/local
 MANPREFIX = $(PREFIX)/share/man
+VERSION = v0.1.0
+DATE = 2021-01-22
 
 all:
 
@@ -27,6 +29,19 @@ uninstall:
 check:
 	sh tests/all.sh
 
+dist:
+	if git show $(VERSION) 1>/dev/null 2>/dev/null; then \
+		echo 'Version $(VERSION) already exists.'; \
+		exit 1; \
+	fi
+
+	if [ '$(DATE)' != "$$(git log -1 --format=%cd --date=short HEAD)" ]; then \
+		echo 'Date $(DATE) is not up-to-date.'; \
+		exit 1; \
+	fi
+
+	git tag $(VERSION)
+
 NAME = remembering
 public:
 	sh build-aux/workflow/TODOs.sh $(NAME) $(NAME) public-inbox
@@ -35,4 +50,4 @@ public:
 clean:
 	rm -rf public/
 
-.PHONY: all clean check install uninstall
+.PHONY: all clean check dist install uninstall