slaprunner: set $SHELL to use slaprunner bash as a shell

For consistency and because mosh uses $SHELL and otherwise would use the
system shell ( /bin/sh )

software/slaprunner/buildout.hash.cfg

@@ -19,7 +19,7 @@ md5sum = 713db528880282d568278f09458d2aab
 
 [template-runner]
 filename = instance-runner.cfg
-md5sum = 75cb4012edf3f968d5be24ebaf4c45f8
+md5sum = 1fc2697fe262591db0a6039c47b115c7
 
 [template-runner-import-script]
 filename = template/runner-import.sh.jinja2
@@ -63,7 +63,7 @@ md5sum = f8446fcf254b4929eb828a9a1d7e5f62
 
 [template-bash-profile]
 filename = template/bash_profile.in
-md5sum = 1c88cbca0c1e705eeb4b544ef4616097
+md5sum = 91627d14efea97d301e297e8e724fa1d
 
 [template-supervisord]
 filename = template/supervisord.conf.in

software/slaprunner/instance-runner.cfg

@@ -226,7 +226,7 @@ template = inline:
   PasswordAuthentication no
   PubkeyAuthentication yes
   AuthorizedKeysFile $${buildout:directory}/.ssh/authorized_keys
-  ForceCommand if [ -z "$SSH_ORIGINAL_COMMAND" ]; then $${shell-environment:shell} -l; else PATH=$${shell-environment:path} eval "$SSH_ORIGINAL_COMMAND"; fi
+  ForceCommand if [ -z "$SSH_ORIGINAL_COMMAND" ]; then $${shell-environment:shell} -l; else SHELL=$${shell-environment:shell} PATH=$${shell-environment:path} eval "$SSH_ORIGINAL_COMMAND"; fi
   Subsystem sftp ${openssh:location}/libexec/sftp-server
 
 [runner-sshd-raw-server]
@@ -706,6 +706,7 @@ template = ${template-bash-profile:location}/${template-bash-profile:filename}
 rendered = $${buildout:directory}/.bash_profile
 context =
     raw path $${shell-environment:path}
+    raw shell $${shell-environment:shell}
     key workdir runnerdirectory:home
     
 #---------------------------

software/slaprunner/template/bash_profile.in

@@ -4,6 +4,7 @@
 
 cd {{ workdir }}
 export PATH={{- path }}
+export SHELL={{- shell }}
 export PS1="$ "
 
 if [ -f "$HOME/.bashrc" ] ; then