doc/wrs_failures: add git revision

Signed-off-by: Adam Wujek <adam.wujek@cern.ch>

doc/wrs_failures/.gitignore

+revinfo.tex

doc/wrs_failures/Makefile

@@ -2,10 +2,13 @@ all : wrs_failures.pdf
 
 .PHONY : all clean
 
+RELEASE = $(shell git describe --always --dirty)
+
 wrs_failures.pdf : wrs_failures.tex fail.tex intro.tex snmp_exports.tex
+	@echo '\\newcommand{\\gitrevinfo}{'$(RELEASE)'}' > revinfo.tex
 	pdflatex wrs_failures.tex
 	pdflatex wrs_failures.tex
 
 clean :
-	rm -f *.eps  *.dat *.log *.out *.aux *.dvi *.ps *.toc *.pdf
+	rm -f *.eps  *.dat *.log *.out *.aux *.dvi *.ps *.toc *.pdf revinfo.tex
 

doc/wrs_failures/wrs_failures.tex

@@ -73,8 +73,9 @@
 
 \begin{document}
 
+\input{revinfo.tex}
 \title{White Rabbit Switch: Failures and Diagnostics}
-\author{Grzegorz Daniluk\\ Adam Wujek\\[.5cm] CERN BE-CO-HT}
+\author{Grzegorz Daniluk\\ Adam Wujek\\[.5cm] CERN BE-CO-HT\\ \small{\gitrevinfo}}
 \maketitle
 \thispagestyle{empty}