Split out the QEMU guest agent into a separate package. The agent is
intended to be installed within a QEMU VM guest where a user is likely
to not want to have the rest of the QEMU installation within it.

Additionally, an initscript, udev rules file, and systemd unit file are
added to the package so that the guest agent can start automatically;
the former two come from Debian's packaging for qemu-guest-agent.

Signed-off-by: Brenda Streiff <brenda.stre...@ni.com>
Signed-off-by: Clément Péron <peron.c...@gmail.com>
---

This is a resend of the patch from Brenda Streiff where I changed
the:
SYSTEMD_SERVICE:${PN}-guest-agent = "${PN}-guest-agent.service"
in
SYSTEMD_SERVICE:${PN}-guest-agent = "qemu-guest-agent.service"

 meta/recipes-devtools/qemu/qemu.inc | 35 ++++++++++++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

diff --git a/meta/recipes-devtools/qemu/qemu.inc 
b/meta/recipes-devtools/qemu/qemu.inc
index 92828e8f2d..cb443769f2 100644
--- a/meta/recipes-devtools/qemu/qemu.inc
+++ b/meta/recipes-devtools/qemu/qemu.inc
@@ -9,7 +9,7 @@ LICENSE = "GPL-2.0-only & LGPL-2.1-only"
 RDEPENDS:${PN}-ptest = "bash"
 
 require qemu-targets.inc
-inherit pkgconfig ptest
+inherit pkgconfig ptest update-rc.d systemd
 
 LIC_FILES_CHKSUM = "file://COPYING;md5=441c28d2cf86e15a37fa47e15a72fbac \
                     
file://COPYING.LIB;endline=24;md5=8c5efda6cf1e1b03dcfd0e6c0d271c7f"
@@ -30,6 +30,8 @@ SRC_URI = "https://download.qemu.org/${BPN}-${PV}.tar.xz \
            file://0001-contrib-vhost-user-blk-Replace-lseek64-with-lseek.patch 
\
            
file://0002-linux-user-Replace-use-of-lfs64-related-functions-an.patch \
            file://0001-configure-Fix-check-tcg-not-executing-any-tests.patch \
+           file://qemu-guest-agent.init \
+           file://qemu-guest-agent.udev \
            "
 UPSTREAM_CHECK_REGEX = "qemu-(?P<pver>\d+(\.\d+)+)\.tar"
 
@@ -130,6 +132,20 @@ do_configure[cleandirs] += "${B}"
 do_install () {
        export STRIP=""
        oe_runmake 'DESTDIR=${D}' install
+
+       # If we built the guest agent, also install startup/udev rules
+       if [ -e "${D}${bindir}/qemu-ga" ]; then
+               install -d ${D}${sysconfdir}/init.d/
+               install -m 0755 ${WORKDIR}/qemu-guest-agent.init 
${D}${sysconfdir}/init.d/qemu-guest-agent
+               sed -i 's:@bindir@:${bindir}:' 
${D}${sysconfdir}/init.d/qemu-guest-agent
+
+               install -d ${D}${sysconfdir}/udev/rules.d/
+               install -m 0644 ${WORKDIR}/qemu-guest-agent.udev 
${D}${sysconfdir}/udev/rules.d/60-qemu-guest-agent.rules
+
+               install -d ${D}${systemd_unitdir}/system/
+               install -m 0644 ${S}/contrib/systemd/qemu-guest-agent.service 
${D}${systemd_unitdir}/system
+               sed -i -e 's,-/usr/bin/,-${bindir}/,g' 
${D}${systemd_unitdir}/system/qemu-guest-agent.service
+       fi
 }
 
 # The following fragment will create a wrapper for qemu-mips user emulation
@@ -208,3 +224,20 @@ PACKAGECONFIG[jack] = "--enable-jack,--disable-jack,jack,"
 INSANE_SKIP:${PN} = "arch"
 
 FILES:${PN} += "${datadir}/icons"
+
+# Put the guest agent in a separate package
+PACKAGES =+ "${PN}-guest-agent"
+SUMMARY:${PN}-guest-agent = "QEMU guest agent"
+FILES:${PN}-guest-agent += " \
+    ${bindir}/qemu-ga \
+    ${sysconfdir}/udev/rules.d/60-qemu-guest-agent.rules \
+    ${sysconfdir}/init.d/qemu-guest-agent \
+    ${systemd_unitdir}/system/qemu-guest-agent.service \
+"
+
+INITSCRIPT_PACKAGES = "${PN}-guest-agent"
+INITSCRIPT_NAME:${PN}-guest-agent = "qemu-guest-agent"
+INITSCRIPT_PARAMS:${PN}-guest-agent = "defaults"
+
+SYSTEMD_PACKAGES = "${PN}-guest-agent"
+SYSTEMD_SERVICE:${PN}-guest-agent = "qemu-guest-agent.service"
-- 
2.34.1

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