Some completion for sudo(8) and sudoedit(8)

Imperfect but covers 99.9% of my use cases (selecting users/groups,
mostly)

2 files changed, 47 insertions, 0 deletions

diff --git a/bash/bashrc.d/sudo.bash b/bash/bashrc.d/sudo.bash
index 41a97a9e..df2abcc1 100644
--- a/bash/bashrc.d/sudo.bash
+++ b/bash/bashrc.d/sudo.bash
@@ -7,3 +7,29 @@ sudo() {
     fi
 }
 
+# Some imperfect but mostly-useful sudo(8) completion
+_sudo() {
+    word=${COMP_WORDS[COMP_CWORD]}
+    prev=${COMP_WORDS[COMP_CWORD-1]}
+
+    # Completion for this word depends on the previous word
+    case $prev in
+
+        # If the previous word was an option for -g, complete with group names
+        -*g)
+            COMPREPLY=( $(compgen -A group -- "$word") )
+            ;;
+
+        # If the previous word was an option for -u, complete with user names
+        -*u)
+            COMPREPLY=( $(compgen -A user -- "$word") )
+            ;;
+
+        # Otherwise complete with commands
+        *)
+            COMPREPLY=( $(compgen -A command -- "$word") )
+            ;;
+    esac
+}
+complete -F _sudo -o default sudo
+
diff --git a/bash/bashrc.d/sudoedit.bash b/bash/bashrc.d/sudoedit.bash
new file mode 100644
index 00000000..a13f484e
--- /dev/null
+++ b/bash/bashrc.d/sudoedit.bash
@@ -0,0 +1,21 @@
+# Some imperfect but mostly-useful sudoedit(8) completion
+_sudoedit() {
+    word=${COMP_WORDS[COMP_CWORD]}
+    prev=${COMP_WORDS[COMP_CWORD-1]}
+
+    # Completion for this word depends on the previous word
+    case $prev in
+
+        # If the previous word was an option for -g, complete with group names
+        -*g)
+            COMPREPLY=( $(compgen -A group -- "$word") )
+            ;;
+
+        # If the previous word was an option for -u, complete with user names
+        -*u)
+            COMPREPLY=( $(compgen -A user -- "$word") )
+            ;;
+    esac
+}
+complete -F _sudoedit -o default sudoedit
+