Public bug reported:
The nc -q autodetection code fails if the target system's grep does not
have a -q argument (quite the ironic coincidence). I believe -q is
specified by POSIX, but Solaris 11's /bin/grep does not support -q.
Redirecting to /dev/null works portably. (In fact, this is even
recommended in favor of -q for portability by GNU grep's man page.)
This needs to be changed in virt-manager's src/virtManager/console.py
(by adding a new patch) and libvirt's debian/patches/Autodetect-if-the-
remote-nc-command-supports-the-q-o.patch (and the updated patch
reapplied to src/remote/remote_driver.c).
BEFORE:
grep -q \"requires an argument\"
AFTER:
grep \"requires an argument\" >/dev/null
** Affects: libvirt (Ubuntu)
Importance: Undecided
Status: New
** Affects: virt-manager (Ubuntu)
Importance: Undecided
Status: New
** Also affects: libvirt (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
- Binary package hint: virt-manager
-
The nc -q autodetection code fails if the target system's grep does not
have a -q argument (quite the ironic coincidence). I believe -q is
specified by POSIX, but Solaris 11's /bin/grep does not support -q.
Redirecting to /dev/null works portably. (In fact, this is even
recommended in favor of -q for portability by GNU grep's man page.)
This needs to be changed in virt-manager's src/virtManager/console.py
(by adding a new patch) and libvirt's debian/patches/Autodetect-if-the-
remote-nc-command-supports-the-q-o.patch (and the updated patch
reapplied to src/remote/remote_driver.c).
BEFORE:
grep -q \"requires an argument\"
AFTER:
grep \"requires an argument\" >/dev/null
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https://bugs.launchpad.net/bugs/792985
Title:
virt-manager fails if target system has no grep -q
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