From f99c39516dffff6eac94919ffb47d088caf6c7c1 Mon Sep 17 00:00:00 2001
From: project-repo <cagebreak_signing_key_11@project-repo.co>
Date: Thu, 13 Apr 2023 19:17:56 +0200
Subject: [PATCH] Add adjust-epoch script

---
 README.md            | 15 +++++++++++++++
 meson.build          |  3 +++
 scripts/adjust-epoch | 13 +++++++++++++
 3 files changed, 31 insertions(+)
 create mode 100644 scripts/adjust-epoch

diff --git a/README.md b/README.md
index 03a0fc2..2b01291 100644
--- a/README.md
+++ b/README.md
@@ -294,6 +294,21 @@ meson compile fuzz -C build
 If you want to use a different directory, configure cagebreak with
 `-Dcorpus=OTHERDIRECTORY` or call `./scripts/fuzz OTHERDIRECTORY`.
 
+##### Adjusting Epoch
+
+To facilitate the creation of reproducible man pages an arbitrary release
+time has to be set in `meson.build`:
+
+```
+meson compile adjust-epoch -C build
+```
+
+or
+
+```
+./scripts/adjust-epoch
+```
+
 ### GCC and -fanalyzer
 
 Cagebreak should compile with any reasonably new gcc or clang. Consider
diff --git a/meson.build b/meson.build
index f43de32..4d3d01c 100644
--- a/meson.build
+++ b/meson.build
@@ -350,6 +350,9 @@ run_target('devel-install',
 run_target('fuzz',
   command : ['scripts/fuzz', get_option('corpus')])
 
+run_target('adjust-epoch',
+  command : ['scripts/adjust-epoch'])
+
 # Test Suite
 
 test('Build without warnings', find_program('test/build-w-o-warnings'), env : [ ''.join('MESONCURRENTCONFIGDIR=', meson.current_source_dir()) ], suite: 'devel')
diff --git a/scripts/adjust-epoch b/scripts/adjust-epoch
new file mode 100644
index 0000000..362c840
--- /dev/null
+++ b/scripts/adjust-epoch
@@ -0,0 +1,13 @@
+#!/bin/bash
+# Copyright 2023, project-repo and the cagebreak contributors
+# SPDX-License-Identifier: MIT
+
+if [[ -n ${MESON_SOURCE_ROOT} ]]
+then
+	# shellcheck disable=2164
+	cd "${MESON_SOURCE_ROOT}"
+fi
+
+# shellcheck disable=2034
+ssepoch=$(date +%s)
+sed -i -e "/secssinceepoch \=/s/[0-9]*$/$ssepoch/" meson.build