Merge pull request #211 from cvogt/completions

Completions

3 files changed, 30 insertions, 0 deletions

diff --git a/README.md b/README.md
index 7a1174e..2f2134b 100644
--- a/README.md
+++ b/README.md
@@ -176,3 +176,19 @@ solution could be code generating traits at build-time and mixing them
 in ad-hoc. It's a build-tool after all. Build-time code-generation and
 class loading is not rocket science. But there may be simpler solutions
 for the cases at hand. And they are edge cases anyways.
+
+Bash completions
+----------------
+To auto-complete cbt task names in bash do this:
+
+```
+mkdir ~/.bash_completion.d/
+cp shell-integration/cbt-completions.bash ~/.bash_completion.d/
+```
+
+Add this to you .bashrc
+```
+for f in ~/.bash_completion.d/*; do
+    source $f
+done
+```
diff --git a/cbt b/cbt
index 63b272e..5751e69 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"
diff --git a/shell-integration/cbt-completions.bash b/shell-integration/cbt-completions.bash
new file mode 100755
index 0000000..c591321
--- /dev/null
+++ b/shell-integration/cbt-completions.bash
@@ -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