Bash completions

2 files changed, 21 insertions, 0 deletions

diff --git a/cbt b/cbt
index 63b272e..2ec9ccf 100755
--- a/cbt
+++ b/cbt
@@ -7,6 +7,7 @@
 # - reduce code size by moving more of this into type-checked Java/Scala code (if possible without performance loss).
 # - reduction of dependencies
 # - performance improvements
+shopt -qs extglob
 
 seconds() {
 	date +"%s"
@@ -108,6 +109,13 @@ log "Find out real path. Build realpath if needed." $*
 
 export CBT_HOME=$(dirname $($_DIR/realpath/realpath.sh $0))
 
+
+if [ ! -f /etc/bash_completion.d/cbt ]; then
+  sudo cp $CBT_HOME/completions/cbt /etc/bash_completion.d/cbt
+  # reload shell so completions work
+  exec bash
+fi
+
 export NAILGUN=$CBT_HOME/nailgun_launcher/
 export TARGET=target/scala-2.11/classes/
 mkdir -p $NAILGUN$TARGET
diff --git a/completions/cbt b/completions/cbt
new file mode 100755
index 0000000..c591321
--- /dev/null
+++ b/completions/cbt
@@ -0,0 +1,13 @@
+#!/bin/bash 
+__cbt()
+{
+  local cur prev opts
+  COMPREPLY=()
+  cur="${COMP_WORDS[COMP_CWORD]}"
+  prev="${COMP_WORDS[COMP_CWORD-1]}"
+  opts="$(cbt usage)"
+  COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
+  return 0
+}
+
+complete -F __cbt cbt