[PATCH] vsh: Allow vshReadlineInit() to be called multiple times

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Thing about vshReadlineInit() is - it's called multiple times.
The first time from vshInit(), when @ctl was filled only
partially (most notably, before any argv parsing is done, hence
ctl->imode is set to false). The second time after argv parsing,
from virshInit() -> vshInitReload(). In here, ctl->imode might
have changed and thus vshReadlineInit() can't exit early - it
needs to set up stuff for interactive mode (history basically).

To allow vshReadlineInit() to be called again,
vshReadlineDeinit() must set @autoCompleteOpaque to NULL.

Fixes: cab1e71f0161fd24c5d6ff4c379d3a242ea8c2d9
Resolves: https://issues.redhat.com/browse/RHEL-53560
Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>
---
 tools/vsh.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/vsh.c b/tools/vsh.c
index 9fbb1f9349..5f5e2f281d 100644
--- a/tools/vsh.c
+++ b/tools/vsh.c
@@ -3040,6 +3040,9 @@ vshReadlineDeinit(vshControl *ctl)
 
     g_clear_pointer(&ctl->historydir, g_free);
     g_clear_pointer(&ctl->historyfile, g_free);
+
+    /* Allow vshReadlineInit() to be called again. */
+    autoCompleteOpaque = NULL;
 }
 
 char *
-- 
2.44.2




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