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[Qemu-devel] [PATCH v6 3/9] qemu-binfmt-conf.sh: add QEMU_CREDENTIAL and


From: Unai Martinez-Corral
Subject: [Qemu-devel] [PATCH v6 3/9] qemu-binfmt-conf.sh: add QEMU_CREDENTIAL and QEMU_PERSISTENT
Date: Tue, 12 Mar 2019 18:58:00 +0000
User-agent: Mutt/1.11.2 (2019-01-07)

Allow to set options '--persistent' and/or '--credential' through
environment variables. If not defined, defaults are used ('no').
Anyway, command-line arguments have priority over environment variables.

Signed-off-by: Unai Martinez-Corral <address@hidden>
Reviewed-by: Laurent Vivier <address@hidden>
---
 scripts/qemu-binfmt-conf.sh | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/scripts/qemu-binfmt-conf.sh b/scripts/qemu-binfmt-conf.sh
index ca15ff8092..ad9ae731a0 100755
--- a/scripts/qemu-binfmt-conf.sh
+++ b/scripts/qemu-binfmt-conf.sh
@@ -186,9 +186,11 @@ Usage: qemu-binfmt-conf.sh [--qemu-path 
PATH][--debian][--systemd CPU]
                       (default: $SYSTEMDDIR or $DEBIANDIR)
        --credential:  if present, credential and security tokens are
                       calculated according to the binary to interpret
+                      ($QEMU_CREDENTIAL=yes)
        --persistent:  if present, the interpreter is loaded when binfmt is
                       configured and remains in memory. All future uses
                       are cloned from the open file.
+                      ($QEMU_PERSISTENT=yes)

     To import templates with update-binfmts, use :

@@ -255,10 +257,10 @@ qemu_check_systemd() {

 qemu_generate_register() {
     flags=""
-    if [ "x$CREDENTIAL" = "xyes" ] ; then
+    if [ "x$QEMU_CREDENTIAL" = "xyes" ] ; then
         flags="OC"
     fi
-    if [ "x$PERSISTENT" = "xyes" ] ; then
+    if [ "x$QEMU_PERSISTENT" = "xyes" ] ; then
         flags="${flags}F"
     fi

@@ -281,7 +283,7 @@ package qemu-$cpu
 interpreter $qemu
 magic $magic
 mask $mask
-credential $CREDENTIAL
+credential $QEMU_CREDENTIAL
 EOF
 }

@@ -320,8 +322,10 @@ SYSTEMDDIR="/etc/binfmt.d"
 DEBIANDIR="/usr/share/binfmts"

 QEMU_PATH=/usr/local/bin
-CREDENTIAL=no
-PERSISTENT=no
+
+QEMU_PERSISTENT="${QEMU_PERSISTENT:-no}"
+QEMU_CREDENTIAL="${QEMU_CREDENTIAL:-no}"
+
 QEMU_SUFFIX=""

 options=$(getopt -o ds:Q:S:e:hcp -l 
debian,systemd:,qemu-path:,qemu-suffix:,exportdir:,help,credential,persistent 
-- "$@")
@@ -373,10 +377,10 @@ while true ; do
         exit 1
         ;;
     -c|--credential)
-        CREDENTIAL="yes"
+        QEMU_CREDENTIAL="yes"
         ;;
     -p|--persistent)
-        PERSISTENT="yes"
+        QEMU_PERSISTENT="yes"
         ;;
     *)
         break
--
2.21.0




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