ansible/roles/buildmaster/templates/master.cfg.j2: rename masterdir

now buildroot, for void-linux/void-packages#46263

ansible/roles/buildmaster/templates/master.cfg.j2

@@ -62,7 +62,7 @@ for m in user_settings.machines:
 	builddir  = WithProperties("%s", 'buildnumber')
 	distdir	  = 'void-packages'
 	bulkdir	  = 'xbps-bulk'
-	masterdir = 'chroot'
+	buildroot = 'chroot'
 	hostdir	  = m['hostdir']
 	crosstarget = m['crosstarget']
 	subarch = m['subarch']
@@ -72,16 +72,16 @@ for m in user_settings.machines:
 	bulk_url = 'https://github.com/void-linux/xbps-bulk.git'
 
 	BootstrapZap = """
-{distdir}/xbps-src -m {masterdir} zap
-""".format(distdir=distdir, masterdir=masterdir)
+{distdir}/xbps-src -B {buildroot} zap
+""".format(distdir=distdir, buildroot=buildroot)
 
 	BootstrapUpdate = """
-{distdir}/xbps-src -m {masterdir} -H {hostdir} bootstrap-update
-""".format(distdir=distdir, masterdir=masterdir, hostdir=hostdir)
+{distdir}/xbps-src -B {buildroot} -H {hostdir} bootstrap-update
+""".format(distdir=distdir, buildroot=buildroot, hostdir=hostdir)
 
 	BootstrapInstall = """
-{distdir}/xbps-src {BootstrapArgs} -m {masterdir} -H {hostdir} binary-bootstrap {subarch}
-""".format(BootstrapArgs=BootstrapArgs, distdir=distdir, masterdir=masterdir, hostdir=hostdir, subarch=subarch)
+{distdir}/xbps-src {BootstrapArgs} -B {buildroot} -H {hostdir} -A {subarch} binary-bootstrap
+""".format(BootstrapArgs=BootstrapArgs, distdir=distdir, buildroot=buildroot, hostdir=hostdir, subarch=subarch)
 
 	RemoveObsoletes = """
 bash -c 'for repo in {hostdir}/binpkgs {hostdir}/binpkgs/debug {hostdir}/binpkgs/nonfree ; do XBPS_ARCH={mach} xbps-rindex -r $repo ; done'
@@ -95,7 +95,7 @@ bash -c 'for repo in {hostdir}/binpkgs/multilib {hostdir}/binpkgs/multilib/nonfr
 	bulk_conf = ["../%s/configure" % bulkdir,
 			'-a', crosstarget,
 			'-d', "../%s"  % distdir,
-			'-m', "../%s"  % masterdir,
+			'-B', "../%s"  % buildroot,
 			'-h', hostdir, '-t']
 	get_pkgs  = ['make', 'print_pkgs']
 	bulk_make = ['make']
@@ -113,8 +113,8 @@ bash -c 'for repo in {hostdir}/binpkgs/multilib {hostdir}/binpkgs/multilib/nonfr
 		description=['Updating void-packages from git'],
 		descriptionDone=['void-packages updated'])
 	bootzap_step = ShellCommand(command=BootstrapZap, logEnviron=False,
-		description=['Zapping xbps-src masterdir'],
-		descriptionDone=['xbps-src masterdir zap'],
+		description=['Zapping xbps-src buildroot'],
+		descriptionDone=['xbps-src buildroot zap'],
 		workdir='.', haltOnFailure=True)
 	bootup_step = ShellCommand(command=BootstrapUpdate, logEnviron=False,
 		description=['Updating xbps-src bootstrap pkgs'],