ash: fix display of ">&-" redirect in job strings

function                                             old     new   delta
cmdtxt                                               558     569     +11

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 8 insertions, 1 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 5c2e06599..9c61ce618 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -4642,6 +4642,10 @@ cmdputs(const char *s)
                         /* These can only happen inside quotes */
                         cc[0] = c;
                         str = cc;
+//FIXME:
+// $ true $$ &
+// $ <cr>
+// [1]+  Done    true ${\$}   <<=== BUG: ${\$} is not a valid way to write $$ (${$} would be ok)
                         c = '\\';
                         break;
                 default:
@@ -4823,7 +4827,10 @@ cmdtxt(union node *n)
                 cmdputs(utoa(n->nfile.fd));
                 cmdputs(p);
                 if (n->type == NTOFD || n->type == NFROMFD) {
-                        cmdputs(utoa(n->ndup.dupfd));
+                        if (n->ndup.dupfd >= 0)
+                                cmdputs(utoa(n->ndup.dupfd));
+                        else
+                                cmdputs("-");
                         break;
                 }
                 n = n->nfile.fname;