spack: no stacktrace if not in debug mode + fix emacs variant (#4098)

* spack: no stacktrace if not in debug mode + fix emacs variant

* emacs: removed dead code

1 files changed, 2 insertions, 0 deletions

diff --git a/bin/spack b/bin/spack
index 922e6a6be4..5ab805fe54 100755
--- a/bin/spack
+++ b/bin/spack
@@ -194,6 +194,8 @@ def _main(args, unknown_args):
             return_val = command(parser, args)
     except SpackError as e:
         e.die()
+    except Exception as e:
+        tty.die(str(e))
     except KeyboardInterrupt:
         sys.stderr.write('\n')
         tty.die("Keyboard interrupt.")