Add tab completion for "compare" command.

1 files changed, 47 insertions, 9 deletions

diff --git a/etc/bash_completion.d/20vyatta-cfg b/etc/bash_completion.d/20vyatta-cfg
index d2d35ed..486c03b 100755
--- a/etc/bash_completion.d/20vyatta-cfg
+++ b/etc/bash_completion.d/20vyatta-cfg
@@ -376,6 +376,18 @@ vyatta_loadkey_complete()
   esac
 }
 
+print_commit_log ()
+{
+  local -a array
+  eval "array=($(${vyatta_sbindir}/vyatta-config-mgmt.pl --action=show-commit-log-brief))"
+  local count=0
+  for i in "${array[@]}"; do
+     i=${i//_/ }
+     echo -e "$count\t$i"
+     (( count++ ))
+  done
+}
+
 vyatta_rollback_complete ()
 {
   # Generate completion help for the "rollback" command
@@ -388,14 +400,40 @@ vyatta_rollback_complete ()
   if [ $COMP_CWORD -eq 1 -a -z "${COMP_WORDS[1]}" ]; then
       echo
       echo "Possible completions:"
-      local -a array
-      eval "array=($(${vyatta_sbindir}/vyatta-config-mgmt.pl --action=show-commit-log-brief))"
-      local count=0
-      for i in "${array[@]}"; do
-          i=${i//_/ }
-          echo -e "$count\t$i"
-          (( count++ ))
-      done
+      echo -e "<N>\tRollback to revision N (currently requires reboot)"
+      print_commit_log
+      COMPREPLY=( "" " " )
+  else
+      COMPREPLY=()
+  fi
+
+  eval $restore_shopts
+}
+
+vyatta_compare_complete ()
+{
+  # Generate completion help for the "compare" command
+
+  local restore_shopts=$( shopt -p extglob nullglob | tr \\n \; )
+  shopt -s extglob nullglob
+
+  # Only provide completions after command name has been typed, but
+  # before any characters of the command argument have been entered.
+  if [ $COMP_CWORD -eq 1 -a -z "${COMP_WORDS[1]}" ]; then
+      echo
+      echo "Possible completions:"
+      echo -e "<enter>\tCompare working & active configurations"
+      echo -e "<N>\tCompare working with revion N"
+      echo -e "<N> <M>\tCompare revion N with M"
+      print_commit_log
+      COMPREPLY=( "" " " )
+  elif [ $COMP_CWORD -eq 2 -a -z "${COMP_WORDS[2]}" ]; then
+      echo
+      echo "Possible completions:"
+      echo -e "<enter>\tCompare working & active configurations"
+      echo -e "<N>\tCompare working with revion N"
+      echo -e "<N> <M>\tCompare revion N with M"
+      print_commit_log
       COMPREPLY=( "" " " )
   else
       COMPREPLY=()
@@ -814,7 +852,7 @@ complete -F vyatta_loadsave_complete save
 complete -F vyatta_loadsave_complete load
 complete -F vyatta_loadsave_complete merge
 complete -F vyatta_loadkey_complete loadkey
-complete -F vyatta_config_complete compare
+complete -F vyatta_compare_complete compare
 complete -F vyatta_config_complete comment
 complete -F vyatta_config_complete copy
 complete -F vyatta_config_complete rename