From cd61fbd3639dee2a405f879e6bd3bd1222d5112ac7caec02ec838eb23fc46536 Mon Sep 17 00:00:00 2001
From: "Dr. Werner Fink" <werner@suse.com>
Date: Fri, 2 Oct 2020 07:42:34 +0000
Subject: [PATCH] Add detection of changes in configuration files as well as
 handle linked engines

OBS-URL: https://build.opensuse.org/package/show/Publishing:TeXLive/texlive-filesystem?expand=0&rev=138
---
 texlive-filesystem.changes |  7 ++++++
 update.texlive             | 45 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 52 insertions(+)

diff --git a/texlive-filesystem.changes b/texlive-filesystem.changes
index 79ab324..80f993a 100644
--- a/texlive-filesystem.changes
+++ b/texlive-filesystem.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Fri Oct  2 07:39:05 UTC 2020 - Dr. Werner Fink <werner@suse.de>
+
+- Enhance update script to detect user changes in configuration
+  files to warn the user.  Also run texlinks script to be sure
+  that local configuration fits the linked engines (boo#1176557)
+
 -------------------------------------------------------------------
 Tue Apr 28 06:46:38 UTC 2020 - Dr. Werner Fink <werner@suse.de>
 
diff --git a/update.texlive b/update.texlive
index 5763226..1159d32 100644
--- a/update.texlive
+++ b/update.texlive
@@ -120,6 +120,8 @@ unset KPSE_DOT || true
 : ${TEXMFDIST:=$(kpsewhich --expand-path='$TEXMFDIST' 2> /dev/null)}
 : ${TEXMFVAR:=$(kpsewhich --var-value=TEXMFVAR 2> /dev/null)}
 : ${TEXMFCNFFILE:=$(kpsewhich texmf.cnf 2> /dev/null)}
+: ${FMTUTILCNFFILE:=$(kpsewhich fmtutil.cnf 2> /dev/null)}
+: ${TEXLUACNFFILE:=$(kpsewhich -format=web2c texmfcnf.lua 2> /dev/null)}
 : ${TEXMFSYSCONFIG:=$(kpsewhich --expand-path='$TEXMFSYSCONFIG' 2> /dev/null)}
 : ${TEXMFLSR:=$(kpsewhich --show-path=ls-R 2> /dev/null)}
 : ${WEB2C:=$TEXMFVAR/web2c}
@@ -133,6 +135,39 @@ if test ! -e "$TEXMFCNFFILE" ; then
     exit 0
 fi
 
+#
+# Check for old configurations and inform system admin to check those
+#
+typeset -i mail=0
+typeset -a list=()
+for cnf in ${TEXMFCNFFILE} ${FMTUTILCNFFILE} ${TEXLUACNFFILE}
+do
+    test -e ${cnf}.rpmnew || continue
+    list[mail++]=${cnf}
+done
+if ((mail > 0))
+then
+    mailx -s "TeXLive Update: Warning about changed configurations" root@localhost <<-EOF
+	Hello,
+
+	the update script has found one or more changed configuration files:
+
+	$(for cnf in ${list[@]}; do echo "    ${cnf}"; done)
+
+	Please (if required) port the changes to the files with suffix .rpmnew!
+	Always move those rpmnew files to the original location:
+
+	$(for cnf in ${list[@]}; do echo "    mv ${cnf}.rpmnew ${cnf}"; done)
+
+	afterwards run as root:
+
+	    /usr/share/texmf/texconfig/update force
+
+	to get your configuration work again.
+	EOF
+fi
+unset mail list cnf
+
 #
 # Check for scriplets
 #
@@ -193,6 +228,16 @@ do
 done
 unset hyp suffix
 
+#
+# Be sure that the TeX Links do fit the configuration in fmtutil.cnf
+#
+if type -p texlinks &> /dev/null
+then
+    test $VERBOSE = true && { echo -en "\r[ ]Updating TeX links"; let nl++; }
+    texlinks < /dev/null 1>&4 2>&4
+    ((nl == 0)) || { echo; let nl=0; }
+fi
+
 init=false
 typeset -i yes=0
 while read format engine language rest