If you're unlucky enough to be a project that was excluded from the hard-coded PROJECTS list in devstack-vm-gate-wrap.sh, then you rely on PROJECTS being set appropriately in your jenkins job definition. `reproduce.sh` fails to capture the value of this variable, leading (eventually) to a failure like this:
2016-02-12 03:59:31.084 | + /opt/stack/new/devstack/lib/oslo:_do_install_oslo_lib:L63: git_clone_by_name oslo.privsep
2016-02-12 03:59:31.084 | + /opt/stack/new/devstack/functions-common:git_clone_by_name:L597: local name=oslo.privsep
2016-02-12 03:59:31.084 | + /opt/stack/new/devstack/functions-common:git_clone_by_name:L598: local repo=git://git.openstack.org/openstack/oslo.privsep.git
2016-02-12 03:59:31.084 | + /opt/stack/new/devstack/functions-common:git_clone_by_name:L599: local dir=/opt/stack/new/oslo.privsep
2016-02-12 03:59:31.084 | + /opt/stack/new/devstack/functions-common:git_clone_by_name:L600: local branch=master
2016-02-12 03:59:31.084 | + /opt/stack/new/devstack/functions-common:git_clone_by_name:L601: git_clone git://git.openstack.org/openstack/oslo.privsep.git /opt/stack/new/oslo.privsep master
2016-02-12 03:59:31.084 | + /opt/stack/new/devstack/functions-common:git_clone:L517: local git_remote=git://git.openstack.org/openstack/oslo.privsep.git
2016-02-12 03:59:31.084 | + /opt/stack/new/devstack/functions-common:git_clone:L518: local git_dest=/opt/stack/new/oslo.privsep
2016-02-12 03:59:31.084 | + /opt/stack/new/devstack/functions-common:git_clone:L519: local git_ref=master
2016-02-12 03:59:31.084 | + /opt/stack/new/devstack/functions-common:git_clone:L520: local orig_dir
2016-02-12 03:59:31.084 | ++ /opt/stack/new/devstack/functions-common:git_clone:L521: pwd
2016-02-12 03:59:31.084 | + /opt/stack/new/devstack/functions-common:git_clone:L521: orig_dir=/opt/stack/new/devstack
2016-02-12 03:59:31.084 | + /opt/stack/new/devstack/functions-common:git_clone:L522: local git_clone_flags=
2016-02-12 03:59:31.084 | ++ /opt/stack/new/devstack/functions-common:git_clone:L524: trueorfalse False RECLONE
2016-02-12 03:59:31.086 | + /opt/stack/new/devstack/functions-common:git_clone:L524: RECLONE=False
2016-02-12 03:59:31.086 | + /opt/stack/new/devstack/functions-common:git_clone:L525: [[ 0 -gt 0 ]]
2016-02-12 03:59:31.086 | + /opt/stack/new/devstack/functions-common:git_clone:L529: [[ False = \T\r\u\e ]]
2016-02-12 03:59:31.086 | + /opt/stack/new/devstack/functions-common:git_clone:L538: echo master
2016-02-12 03:59:31.086 | + /opt/stack/new/devstack/functions-common:git_clone:L538: egrep -q '^refs'
2016-02-12 03:59:31.087 | + /opt/stack/new/devstack/functions-common:git_clone:L552: [[ ! -d /opt/stack/new/oslo.privsep ]]
2016-02-12 03:59:31.087 | + /opt/stack/new/devstack/functions-common:git_clone:L553: [[ True = \T\r\u\e ]]
2016-02-12 03:59:31.087 | + /opt/stack/new/devstack/functions-common:git_clone:L554: echo 'The /opt/stack/new/oslo.privsep project was not found; if this is a gate job, add'
2016-02-12 03:59:31.087 | The /opt/stack/new/oslo.privsep project was not found; if this is a gate job, add
2016-02-12 03:59:31.087 | + /opt/stack/new/devstack/functions-common:git_clone:L555: echo 'the project to the $PROJECTS variable in the job definition.'
2016-02-12 03:59:31.088 | the project to the $PROJECTS variable in the job definition.
2016-02-12 03:59:31.088 | + /opt/stack/new/devstack/functions-common:git_clone:L556: die 556 'Cloning not allowed in this configuration'
2016-02-12 03:59:31.088 | + /opt/stack/new/devstack/functions-common:die:L186: local exitcode=0
2016-02-12 03:59:31.088 | [Call Trace]
2016-02-12 03:59:31.088 | ./stack.sh:774:install_oslo
2016-02-12 03:59:31.088 | /opt/stack/new/devstack/lib/oslo:84:_do_install_oslo_lib
2016-02-12 03:59:31.088 | /opt/stack/new/devstack/lib/oslo:63:git_clone_by_name
2016-02-12 03:59:31.088 | /opt/stack/new/devstack/functions-common:601:git_clone
2016-02-12 03:59:31.088 | /opt/stack/new/devstack/functions-common:556:die
2016-02-12 03:59:31.090 | [ERROR] /opt/stack/new/devstack/functions-common:556 Cloning not allowed in this configuration
2016-02-12 03:59:32.092 | Error on exit
2016-02-12 03:59:32.251 | World dumping... see /opt/stack/new/worlddump-2016-02-12-035932.txt for details