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authordrelo <1127662780@qq.com>2020-06-19 15:27:40 +0800
committerOliver Kiddle <okiddle@yahoo.co.uk>2020-06-26 00:34:36 +0200
commiteec1c48a91c3da2e88212cd49e1cd33a3db24048 (patch)
tree771361462464d868d3777e3cf048a22212270257 /Completion
parentc4540e154f49de6573b3fa1e924528178cfd7853 (diff)
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46075: drelo: prefer ip on linux for finding network interfaces
Diffstat (limited to 'Completion')
-rw-r--r--Completion/Unix/Type/_find_net_interfaces12
1 files changed, 9 insertions, 3 deletions
diff --git a/Completion/Unix/Type/_find_net_interfaces b/Completion/Unix/Type/_find_net_interfaces
index 3f5db6b9a..06238b11c 100644
--- a/Completion/Unix/Type/_find_net_interfaces
+++ b/Completion/Unix/Type/_find_net_interfaces
@@ -22,11 +22,17 @@ case $OSTYPE in
   darwin*|freebsd*|dragonfly*) net_intf_list=( $(ifconfig -l) ) ;;
   irix*) net_intf_list=( ${${${(f)"$(/usr/etc/netstat -i)"}%% *}[2,-1]} ) ;;
   *)
-    # linux's deprecated ifconfig may truncate long interface names
-    net_intf_list=( $(_call_program interfaces "ifconfig -a 2>/dev/null | sed -n 's/^\([^ 	:]*\).*/\1/p'") )
+    if (( $+commands[ip] )); then
+      # if ip is available, we can also show altnames
+      net_intf_list=( $(_call_program interfaces "ip link | sed -ne 's/^[0-9]\+: \([^:@]\+\).*/\1/p;t; s/^[\ ]\+altname \(.\+\)\$/\1/p'") )
+    else
+      # linux's deprecated ifconfig may truncate long interface names
+      net_intf_list=( $(_call_program interfaces "ifconfig -a 2>/dev/null | sed -n 's/^\([^ 	:]*\).*/\1/p'") )
+    fi
+
     if (( ${#net_intf_list} == 0 )) && [[ -d /proc/sys/net/ipv4/conf ]]; then
       # On linux we used to use the following as the default, without /sys/class/net/*.
-      # However, we now use ifconfig since it finds additional devices such
+      # However, we now use ip or ifconfig since it finds additional devices such
       # as tunnels.  So only do this if that didn't work.
       typeset -gU net_intf_list
       net_intf_list=( /proc/sys/net/ipv4/conf/*~*(all|default)(N:t) /sys/class/net/*(N:t) )