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meson: Optimize handling of qemu_user and qemu_group

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If the user has already provided us with the configuration they
want, there's no point in trying to come up with a reasonable
OS-specific default.

Suggested-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
This commit is contained in:
Andrea Bolognani 2022-01-26 15:21:20 +01:00
parent 00c1a47914
commit bdf40b73f7
1 changed files with 28 additions and 32 deletions
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meson.build
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@ -1655,43 +1655,39 @@ if not get_option('driver_qemu').disabled()
endif
conf.set_quoted('QEMU_DATADIR', qemu_datadir)
if host_machine.system() in [ 'freebsd', 'darwin' ]
default_qemu_user = 'root'
default_qemu_group = 'wheel'
else
os_release = run_command('grep', '^ID=', '/etc/os-release', check: false).stdout()
if os_release.contains('arch')
default_qemu_user = 'nobody'
default_qemu_group = 'nobody'
elif (os_release.contains('centos') or
os_release.contains('fedora') or
os_release.contains('gentoo') or
os_release.contains('rhel') or
os_release.contains('sles') or
os_release.contains('suse'))
default_qemu_user = 'qemu'
default_qemu_group = 'qemu'
elif os_release.contains('debian')
default_qemu_user = 'libvirt-qemu'
default_qemu_group = 'libvirt-qemu'
elif os_release.contains('ubuntu')
default_qemu_user = 'libvirt-qemu'
default_qemu_group = 'kvm'
else
default_qemu_user = 'root'
default_qemu_group = 'root'
endif
endif
qemu_user = get_option('qemu_user')
qemu_group = get_option('qemu_group')
if (qemu_user == '' and qemu_group != '') or (qemu_user != '' and qemu_group == '')
error('Please specify both qemu_user and qemu_group or neither of them')
endif
if qemu_user == ''
qemu_user = default_qemu_user
endif
if qemu_group == ''
qemu_group = default_qemu_group
if qemu_user == '' and qemu_group == ''
if host_machine.system() in [ 'freebsd', 'darwin' ]
qemu_user = 'root'
qemu_group = 'wheel'
else
os_release = run_command('grep', '^ID=', '/etc/os-release', check: false).stdout()
if os_release.contains('arch')
qemu_user = 'nobody'
qemu_group = 'nobody'
elif (os_release.contains('centos') or
os_release.contains('fedora') or
os_release.contains('gentoo') or
os_release.contains('rhel') or
os_release.contains('sles') or
os_release.contains('suse'))
qemu_user = 'qemu'
qemu_group = 'qemu'
elif os_release.contains('debian')
qemu_user = 'libvirt-qemu'
qemu_group = 'libvirt-qemu'
elif os_release.contains('ubuntu')
qemu_user = 'libvirt-qemu'
qemu_group = 'kvm'
else
qemu_user = 'root'
qemu_group = 'root'
endif
endif
endif
conf.set_quoted('QEMU_USER', qemu_user)
conf.set_quoted('QEMU_GROUP', qemu_group)