From fe5d8a2d58aa885fc43bb5f5bdfade5cc52cbc30 Mon Sep 17 00:00:00 2001
From: John Swinbank <swinbank@astron.nl>
Date: Sun, 15 Nov 2020 13:38:53 +0100
Subject: [PATCH] Pull metadata from git
---
example/.gitignore | 1 +
example/Makefile | 17 ++++++++++++++++-
example/example.tex | 5 +++--
3 files changed, 20 insertions(+), 3 deletions(-)
diff --git a/example/.gitignore b/example/.gitignore
index ae0b579..b464a42 100644
--- a/example/.gitignore
+++ b/example/.gitignore
@@ -2,3 +2,4 @@ example.aux
example.log
example.out
example.pdf
+meta.tex
diff --git a/example/Makefile b/example/Makefile
index f5a5b2e..34a3a72 100644
--- a/example/Makefile
+++ b/example/Makefile
@@ -1,5 +1,20 @@
export TEXMFHOME ?= ../texmf
-example.pdf: example.tex
+GITVERSION := $(shell git log -1 --date=short --pretty=%h)
+GITDATE := $(shell git log -1 --date=short --pretty=%ad)
+GITSTATUS := $(shell git status --porcelain)
+ifneq "$(GITSTATUS)" ""
+ GITDIRTY = -dirty
+endif
+
+example.pdf: example.tex meta.tex
xelatex example
xelatex example
+
+.FORCE:
+
+meta.tex: Makefile .FORCE
+ rm -f $@
+ echo '% GENERATED FILE -- edit this in the Makefile' >>$@
+ /bin/echo '\\newcommand{\\vcsRevision}{$(GITVERSION)$(GITDIRTY)}' >>$@
+ /bin/echo '\\newcommand{\\vcsDate}{$(GITDATE)}' >>$@
diff --git a/example/example.tex b/example/example.tex
index d4d4a11..0655315 100644
--- a/example/example.tex
+++ b/example/example.tex
@@ -1,9 +1,10 @@
\documentclass{astron}
+\input{meta}
\setDocTitle{Example Document}
\setDocNumber{1}
-\setDocRevision{1}
-\setDocDate{\today}
+\setDocRevision{\vcsRevision}
+\setDocDate{\vcsDate}
\setDocClass{Limited}
\setDocProgram{SDC}
--
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