From 616ac315693aab515c938262c74792d80b5cd650 Mon Sep 17 00:00:00 2001
From: Santiago Soler <santiago.r.soler@gmail.com>
Date: Mon, 19 Jul 2021 15:06:24 -0300
Subject: [PATCH] Add Makefile targets to generate latexdiff outputs

---
 .gitignore          |  1 +
 manuscript/Makefile | 25 ++++++++++++++++++++++++-
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 1b6483cc..54947b1b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,3 +16,4 @@ MANIFEST
 *.bak
 *.sav
 _output
+manuscript/*diff*.tex
diff --git a/manuscript/Makefile b/manuscript/Makefile
index 9bc14747..530a3360 100644
--- a/manuscript/Makefile
+++ b/manuscript/Makefile
@@ -10,10 +10,18 @@ OUTDIR = _output
 PREPRINT_PDF = $(OUTDIR)/$(PREPRINT).pdf
 GJI_PDF = $(OUTDIR)/$(GJI).pdf
 
+# Latex compiler and pdfviewer
 LATEX_COMPILER = latexmk
 LATEX_FLAGS = -pdf -outdir=$(OUTDIR)
 PDFVIEWER = xdg-open
 
+# Variables for generating the diffs against older versions
+SUBMITTED_V1 = submitted-v1
+DIFFS_SUBMITTED_V1 = gji-diffsubmitted-v1
+DIFFS_SUBMITTED_V1_PDF = $(OUTDIR)/$(DIFFS_SUBMITTED_V1).pdf
+LATEXDIFF_VC = latexdiff-vc
+LATEXDIFF_VC_FLAGS = --git --flatten --disable-citation-markup
+
 
 all: preprint gji
 
@@ -22,7 +30,7 @@ preprint: $(PREPRINT_PDF)
 gji: $(GJI_PDF)
 
 clean:
-	rm -rf $(OUTDIR)
+	rm -rf $(OUTDIR) *diffs*.tex
 
 word-count:
 	texcount -merge $(PREPRINT).tex
@@ -39,3 +47,18 @@ $(PREPRINT_PDF): $(PREPRINT).tex $(TEX_FILES) $(RESULTS)
 
 $(GJI_PDF): $(GJI).tex $(TEX_FILES) $(RESULTS)
 	$(LATEX_COMPILER) $(LATEX_FLAGS) $<
+
+
+# diffs
+# -----
+
+show-diffs-submitted-v1: diffs-submitted-v1
+	@( $(PDFVIEWER) $(DIFFS_SUBMITTED_V1_PDF) 2> /dev/null; )
+
+diffs-submitted-v1: $(DIFFS_SUBMITTED_V1_PDF)
+
+$(DIFFS_SUBMITTED_V1_PDF): $(DIFFS_SUBMITTED_V1).tex
+	$(LATEX_COMPILER) $(LATEX_FLAGS) $<
+
+$(DIFFS_SUBMITTED_V1).tex: $(GJI).tex
+	$(LATEXDIFF_VC) $(LATEXDIFF_VC_FLAGS) -r $(SUBMITTED_V1) $<