diff -Nru wsl-0.2.1/debian/changelog wsl-0.2.1/debian/changelog
--- wsl-0.2.1/debian/changelog	2021-01-25 17:14:07.000000000 +0000
+++ wsl-0.2.1/debian/changelog	2022-01-24 01:40:15.000000000 +0000
@@ -1,3 +1,11 @@
+wsl (0.2.1-3) unstable; urgency=medium
+
+  * QA upload.
+  * Use a proper tempfile instead of hardcoded 'temp'.  (Closes: #1003579)
+  * Switch from deprecated 'which' to 'command -v'.
+
+ -- Andreas Beckmann <anbe@debian.org>  Mon, 24 Jan 2022 02:40:15 +0100
+
 wsl (0.2.1-2) unstable; urgency=medium
 
   * QA upload.
diff -Nru wsl-0.2.1/debian/copyright wsl-0.2.1/debian/copyright
--- wsl-0.2.1/debian/copyright	2012-10-25 19:43:20.000000000 +0000
+++ wsl-0.2.1/debian/copyright	2022-01-24 01:33:37.000000000 +0000
@@ -1,4 +1,4 @@
-Format: http://dep.debian.net/deps/dep5
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
 Upstream-Name: wsl
 Source: http://linux.dell.com/files/wsl/
 
diff -Nru wsl-0.2.1/debian/patches/series wsl-0.2.1/debian/patches/series
--- wsl-0.2.1/debian/patches/series	2012-11-05 22:02:15.000000000 +0000
+++ wsl-0.2.1/debian/patches/series	2022-01-24 01:20:11.000000000 +0000
@@ -1,2 +1,4 @@
 MYPATH.patch
 sensible-editor.patch
+tempfile.patch
+which.patch
diff -Nru wsl-0.2.1/debian/patches/tempfile.patch wsl-0.2.1/debian/patches/tempfile.patch
--- wsl-0.2.1/debian/patches/tempfile.patch	1970-01-01 00:00:00.000000000 +0000
+++ wsl-0.2.1/debian/patches/tempfile.patch	2022-01-24 01:40:15.000000000 +0000
@@ -0,0 +1,24 @@
+Author: Andreas Beckmann <anbe@debian.org>
+Description: use a proper tempfile instead of hardcoded 'temp'
+Bug-Debian: https://bugs.debian.org/1003579
+
+--- a/wsl-functions
++++ b/wsl-functions
+@@ -602,12 +602,14 @@ if [ -z "${WSLNOINIT}" ] && [ "1" = "${K
+    CWSENDPOINT="${WSENDPOINT}"
+    CWSUSER="${WSUSER}"
+    CWSPASS="${WSPASS}"
++   tmpenv=$(mktemp)
++   chmod =rw ${tmpenv}  # honors umask
+    if [ -e "${MYENV}" ]; then
+      . ${MYENV}
+-     cat ${MYENV} | grep -v "^#" | sort | uniq >temp
++     cat ${MYENV} | grep -v "^#" | sort | uniq >${tmpenv}
+    fi
+-   echo "##### history ends #####" >>temp
+-   /bin/mv temp ${MYENV}
++   echo "##### history ends #####" >>${tmpenv}
++   /bin/mv ${tmpenv} ${MYENV}
+    [ -z "${CWSENDPOINT}" ] && CWSENDPOINT="${WSENDPOINT}"
+    [ -z "${CWSUSER}" ] && CWSUSER="${WSUSER}"
+    [ -z "${CWSPASS}" ] && CWSPASS="${WSPASS}"
diff -Nru wsl-0.2.1/debian/patches/which.patch wsl-0.2.1/debian/patches/which.patch
--- wsl-0.2.1/debian/patches/which.patch	1970-01-01 00:00:00.000000000 +0000
+++ wsl-0.2.1/debian/patches/which.patch	2022-01-24 01:22:45.000000000 +0000
@@ -0,0 +1,41 @@
+Author: Andreas Beckmann <anbe@debian.org>
+Description: switch from deprecated 'which' to 'command -v'
+
+--- a/wsl-functions
++++ b/wsl-functions
+@@ -61,7 +61,7 @@ ENVIPINTERACTIVE=$IPINTERACTIVE
+ 
+ if [ ! -e ~/${MYCONFIG} ]; then
+   DRIVER="#USEWGET=true"
+-  which curl 2>/dev/null >/dev/null
++  command -v curl 2>/dev/null >/dev/null
+   [ $? -ne 0 ] && DRIVER="USEWGET=true"
+ 
+   cat <<EOF > ~/${MYCONFIG}
+@@ -336,7 +336,7 @@ fCreateCredFile() {
+ 
+ fGetCredFileContents() {
+   credfile="$1"
+-  which gpg 2>&1 >/dev/null 
++  command -v gpg 2>&1 >/dev/null 
+   if [ $? -eq 0 ]; then
+     export CREDPAIR=$(gpg -d --batch --passphrase=`uname -n` "${credfile}" 2>"${LOGFILE}")
+   else
+@@ -551,7 +551,7 @@ fNormalizeClass() {
+ 
+ fCheckReqOrUsage() {
+   name="$1"
+-  which ${name} 2>/dev/null >/dev/null
++  command -v ${name} 2>/dev/null >/dev/null
+   [ $? -ne 0 ] && echo -e "Failed to detect ${name}! This is a runtime requirement, verify installation and try again.\n" && usage
+ }
+ 
+@@ -564,7 +564,7 @@ fCheckReqsOrUsage() {
+   fCheckReqOrUsage xmllint
+ } 
+ 
+-XsLTSTAT=1 ; which xsltproc 2>&1 >/dev/null ; XsLTSTAT=$?
++XsLTSTAT=1 ; command -v xsltproc 2>&1 >/dev/null ; XsLTSTAT=$?
+ 
+ fDisplayResponse() {
+   vFile="$1"