Add autocompletion script.

Add the autocompletion of the different flags and options to bash.
In particular, autocomplete network interfaces.

1 files changed, 31 insertions, 0 deletions

diff --git a/src/bandwhich b/src/bandwhich
new file mode 100644
index 0000000..4b9cdff
--- /dev/null
+++ b/src/bandwhich
@@ -0,0 +1,31 @@
+# bandwhich completion                                      -*- shell-script -*-
+
+_bandwhich()
+{
+    local cur prev flags opts
+    COMPREPLY=()
+    cur="${COMP_WORDS[COMP_CWORD]}"
+    prev="${COMP_WORDS[COMP_CWORD-1]}"
+    flags="--addresses --connections --help --no-resolve
+            --processes --raw --show-dns --total-utilization --version"
+    opts="--dns-server --interface"
+
+    interfaces=$(ip link show | grep -o ": .*:" | sed 's/[: ]//g' | tr '\n' ' ')
+    case "${prev}" in
+        --interface)
+            COMPREPLY=( $(compgen -W "${interfaces}" -- "${cur}"))
+            return
+            ;;
+    esac
+
+    case "${cur}" in
+        --interface)
+            COMPREPLY=( $(compgen -W "${interfaces}"))
+            ;;
+        -*)
+            COMPREPLY=( $(compgen -W "${flags} ${opts}" -- "${cur}"))
+            ;;
+    esac
+} &&
+
+complete -o nospace -F _bandwhich bandwhich