From 26f8a1b906c329fa92adc2480e1769b8a90347de Mon Sep 17 00:00:00 2001
From: q-posev <posenitskiy@irsamc.ups-tlse.fr>
Date: Thu, 28 Jul 2022 12:02:18 +0200
Subject: [PATCH] Adapt htmlize installer for the case of existing git
 submodule

---
 tools/install_htmlize.sh | 23 ++++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

diff --git a/tools/install_htmlize.sh b/tools/install_htmlize.sh
index b1f52d7..c778103 100755
--- a/tools/install_htmlize.sh
+++ b/tools/install_htmlize.sh
@@ -2,8 +2,25 @@
 #
 # Installs the htmlize Emacs plugin
 
-${abs_srcdir}/tools/missing git clone "https://github.com/TREX-CoE/emacs-htmlize"
-mv emacs-htmlize/htmlize.el $1
-rm -rf emacs-htmlize
+readonly HTMLIZE_EL=$1
 
+# If the file already present - exit the script
+if [ -f ${HTMLIZE_EL} ]
+then
+	exit 0	
+fi
+
+DOC_ROOT=${HTMLIZE_EL%/*}
+readonly EMACS_HTMLIZE=${DOC_ROOT}/emacs-htmlize/htmlize.el
+
+# Case 1: submodule cloned but htmlize.el is absent in DOC_ROOT
+if [ -f ${EMACS_HTMLIZE} ]
+then
+	cp ${EMACS_HTMLIZE} ${HTMLIZE_EL}
+else
+# Case 2: submodule has not been cloned
+	${abs_srcdir}/tools/missing git clone "https://github.com/TREX-CoE/emacs-htmlize"
+	mv emacs-htmlize/htmlize.el ${HTMLIZE_EL}
+	rm -rf emacs-htmlize
+fi