From 8eecae65bb077d6e89935066ec5d4fbb060168cc Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Thu, 28 Dec 2023 15:34:37 +0100
Subject: Last version component is now generated fully automatically

---
 Makefile | 19 ++++++-------------
 version  | 27 +++++++++++++++++++++++++++
 2 files changed, 33 insertions(+), 13 deletions(-)
 create mode 100755 version

diff --git a/Makefile b/Makefile
index 25e2cda..d45757c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,3 @@
-TODAY=1
 PREFIX?=/usr/local
 BINDIR?=$(PREFIX)/bin
 DATADIR?=$(PREFIX)/share
@@ -11,28 +10,22 @@ USERSDIR?=$(LIBDIR)/sysusers.d
 all: mirror
 
 %: %.sh
-	sed s/@VERSION@/`git rev-list -1 --date=format:%Y%m%d --pretty=%ad --no-commit-header HEAD`.$(TODAY)/g <$< >$@
+	sed s/@VERSION@/`./version`/g <$< >$@
 	chmod +x $@
 
 clean:
 	rm -f mirror
 
 install: all
-	mkdir -p $(DESTDIR)$(BINDIR)
-	mkdir -p $(DESTDIR)$(MANDIR)
-	mkdir -p $(DESTDIR)$(SYSDDIR)
-	mkdir -p $(DESTDIR)$(USERSDIR)
-	cp -f mirror $(DESTDIR)$(BINDIR)/mirror
-	cp -f mirror.1 $(DESTDIR)$(MAN1DIR)/mirror.1
-	cp -f mirror.timer $(DESTDIR)$(SYSDDIR)/mirror.timer
-	cp -f mirror.service $(DESTDIR)$(SYSDDIR)/mirror.service
-	cp -f mirror.conf $(DESTDIR)$(USERSDIR)/mirror.conf
+	install -m755 -Dt $(DESTDIR)$(BINDIR) mirror
+	install -m644 -Dt $(DESTDIR)$(MAN1DIR) mirror.1
+	install -m644 -Dt $(DESTDIR)$(SYSDDIR) mirror.{timer,service}
+	install -m644 -Dt $(DESTDIR)$(USERSDIR) mirror.conf
 
 uninstall:
 	rm -f $(DESTDIR)$(BINDIR)/mirror
 	rm -f $(DESTDIR)$(MAN1DIR)/mirror.1
-	rm -f $(DESTDIR)$(SYSDDIR)/mirror.timer
-	rm -f $(DESTDIR)$(SYSDDIR)/mirror.service
+	rm -f $(DESTDIR)$(SYSDDIR)/mirror.{timer,service}
 	rm -f $(DESTDIR)$(USERSDIR)/mirror.conf
 
 .PHONY: all clean install uninstall
diff --git a/version b/version
new file mode 100755
index 0000000..b967060
--- /dev/null
+++ b/version
@@ -0,0 +1,27 @@
+#!/bin/sh
+# TODO: Think of a way to generate version without git repository for source tarballs. Making the script overwrite
+#       itself with a static version sounds good enough, really.
+try_tag() {
+	local tag
+	if tag=$(git describe --exact-match --tags --dirty=-dirty 2>/dev/null); then
+		case "${tag}" in
+			*-dirty) return 1;;
+			*) echo "${tag}"; return 0;;
+		esac
+	fi
+	return 1
+}
+
+
+if ! version=$(try_tag); then
+	fmt=%Y%m%d
+	set -- $(git rev-list --date=format:${fmt} --pretty=%ad --no-commit-header --since=yesterday HEAD)
+	if [ $# -gt 0 ]; then
+		suffix=$#
+		git diff-index --quiet HEAD -- || suffix=$(( $# + 1 ))
+		version="$1.${suffix}"
+	else
+		version="$(date +${fmt}).1"
+	fi
+fi
+echo "${version}"
-- 
cgit v1.1