Maybe now the revision commands will work on the build server...

Makefile

@@ -5,13 +5,14 @@ GITINFO=revision.tex
 LILY_PDF = lilypond-book --pdf -o $(OUTDIR)
 PDF=cd $(OUTDIR) && pdflatex --enable-pipes --shell-escape $(FILE).tex
 INDEX=cd $(OUTDIR) && makeindex $(FILE).tex
+OUTPUT = `git log -1 --format="%h"`
 
 .SUFFIXES: .lytex .tex .ly .pdf
 
 VPATH = \
 	$(CURDIR)/lyrics \
 	$(CURDIR)/notes \
-	$(CURDIR)/pdf \		 
+	$(CURDIR)/pdf \ 
 
 all: book
 
@@ -26,17 +27,18 @@ book: $(OUTDIR) $(PDFDIR) $(GITINFO)
 	$(INDEX)
 	$(PDF)
 	cp $(CURDIR)/$(OUTDIR)/$(FILE).pdf $(CURDIR)/$(PDFDIR)/$(FILE).pdf
-	rm $(GITINFO)	
-  
+	rm $(GITINFO)
+
 $(OUTDIR):
 	mkdir -p $(OUTDIR)
 
 $(PDFDIR):
 	mkdir -p $(PDFDIR)
-	
-$(GITINFO):
-	echo "% Autogenerated, do not edit" > $(GITINFO)	
-	echo "\\newcommand{\\revision}{`git log -1 --format=\"%h\"`}" >> $(GITINFO)
+
+$(GITINFO): FORCE
+	echo "\\newcommand{\\revision}{$(OUTPUT)}" > $(GITINFO)
 
 clean:
 	rm -rf $(OUTDIR)	
+
+FORCE:

music_booklet.lytex

@@ -7,6 +7,7 @@
 \usepackage{xmpincl}
 \usepackage{hyperref}
 
+\input{revision.tex}
 \input{settings.tex}
 \input{headfoot.tex}
 

title.tex

@@ -1,5 +1,4 @@
-\begin{titlepage}
-    \input{revision.tex}
+\begin{titlepage}    
 	\begin{center}	
 		\includegraphics[width=0.50\textwidth]{images/title.png}\\