From e3bc11a4fa1244a94a12f5555d5a7accd7dc1948 Mon Sep 17 00:00:00 2001
From: Simon Josefsson <simon@josefsson.org>
Date: Wed, 26 Nov 2025 13:09:57 +0100
Subject: [PATCH] Embed version in git-archive tarballs and populate VERSION
 from it when set

Closes: #90
---
 .gitattributes       | 1 +
 .tarball-version-git | 1 +
 Makefile             | 2 +-
 3 files changed, 3 insertions(+), 1 deletion(-)
 create mode 100644 .gitattributes
 create mode 100644 .tarball-version-git

diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..f43959a
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+.tarball-version-git export-subst
diff --git a/.tarball-version-git b/.tarball-version-git
new file mode 100644
index 0000000..f4034a5
--- /dev/null
+++ b/.tarball-version-git
@@ -0,0 +1 @@
+$Format:%(describe)$
diff --git a/Makefile b/Makefile
index 3d27dcc..8eb03bb 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ SHRDIR := $(PREFIX)/share
 MANDIR := $(PREFIX)/share/man
 BINS = $(filter-out %_test.go,$(notdir $(wildcard cmd/*)))
 TAG = $(shell git describe --abbrev=0 --tags)
-VERSION = $(shell git describe --abbrev=7 | sed 's/-/./g;s/^v//;')
+VERSION = $(shell if grep Format .tarball-version-git > /dev/null; then git describe --abbrev=7 | sed 's/-/./g;s/^v//;'; else cat .tarball-version-git; fi)
 
 MANPAGES = \
 	man/ssh-tpm-hostkeys.1 \