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[libvirt] [PATCH 4/4] virsh: Create completer for help command



This completer returns command names and group keywords as well.
---
 tools/virsh.c |   43 ++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 42 insertions(+), 1 deletions(-)

diff --git a/tools/virsh.c b/tools/virsh.c
index 6a63363..f30d51c 100644
--- a/tools/virsh.c
+++ b/tools/virsh.c
@@ -712,6 +712,46 @@ complt_listAllDomains(const char *text, int state)
     return complt_listDomainsFlags(text, state, ACTIVE | INACTIVE);
 }
 
+static char *
+complt_listCmdsAndGroups(const char *text, int state)
+{
+    static int len = 0;
+    static int grp_index = 0;
+    static const char *ret = NULL;
+    static const vshCmdGrp *g = NULL;
+    static const vshCmdDef *c = NULL;
+
+    if (!state) {
+        len = strlen(text);
+        grp_index = 0;
+        g = cmdGroups;
+        c = g->commands;
+    }
+
+    while ((ret = cmdGroups[grp_index].keyword)) {
+        grp_index++;
+
+        if (STRNEQLEN(ret, text, len))
+            continue;
+
+        return vshStrdup(NULL, ret);
+    }
+
+    while(g->name) {
+        while ((ret = c->name)) {
+            c++;
+            if (STRNEQLEN(ret, text, len))
+                continue;
+
+            return vshStrdup(NULL, ret);
+        }
+        g++;
+        c = g->commands;
+    }
+
+    return NULL;
+}
+
 /* ---------------
  * Commands
  * ---------------
@@ -12002,7 +12042,8 @@ static const vshCmdDef virshCmds[] = {
     {"cd", cmdCd, opts_cd, info_cd, VSH_CMD_FLAG_NOCONNECT, NULL},
     {"echo", cmdEcho, opts_echo, info_echo, VSH_CMD_FLAG_NOCONNECT, NULL},
     {"exit", cmdQuit, NULL, info_quit, VSH_CMD_FLAG_NOCONNECT, NULL},
-    {"help", cmdHelp, opts_help, info_help, VSH_CMD_FLAG_NOCONNECT, NULL},
+    {"help", cmdHelp, opts_help, info_help,
+     VSH_CMD_FLAG_NOCONNECT, complt_listCmdsAndGroups},
     {"pwd", cmdPwd, NULL, info_pwd, VSH_CMD_FLAG_NOCONNECT, NULL},
     {"quit", cmdQuit, NULL, info_quit, VSH_CMD_FLAG_NOCONNECT, NULL},
     {NULL, NULL, NULL, NULL, 0, NULL}
-- 
1.7.5.rc3


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