select-repository: Searching `.:..' for linux-2.6.18-xen.hg
select-repository: Ignoring `.'
buildconfigs/select-repository: line 35: hg: command not found
select-repository: Unable to determine Xen repository parent.
make[3]: *** [linux-2.6.18-xen.hg/.valid-src] Error 1
make[3]: Leaving directory `/xen-3.2.0'
make[2]: *** [linux-2.6-xen-install] Error 2
make[2]: Leaving directory `/xen-3.2.0'
make[1]: *** [install-kernels] Error 1
make[1]: Leaving directory `/xen-3.2.0'
make: *** [world] Error 2
yum install mercurial