sdk: add completion

It is much nicer to type `sdk cre<TAB>` than having to type out the long
command name...

Tab completion for the win!

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

git-extra/PKGBUILD

@@ -42,6 +42,7 @@ source=('inputrc'
         'gitattributes'
         'astextplain'
         'git-sdk.sh'
+        'sdk.completion'
         'git-update-git-for-windows'
         'git-update'
         'blocked-file-util.c'
@@ -96,6 +97,7 @@ build() {
 package() {
   builddir=build-${MINGW_CHOST}
   install -d -m755 $pkgdir/etc/profile.d
+  install -d -m755 $pkgdir/usr/share/bash-completion/completions
   install -d -m755 $pkgdir/etc/post-install
   install -d -m755 $pkgdir/usr/bin
   install -d -m755 $pkgdir/usr/share/git
@@ -118,6 +120,7 @@ package() {
   install -m755 env.sh $pkgdir/etc/profile.d
   install -m755 bash_profile.sh $pkgdir/etc/profile.d
   install -m755 git-sdk.sh $pkgdir/etc/profile.d
+  install -m755 sdk.completion $pkgdir/usr/share/bash-completion/completions/sdk
   install -m644 msys2-32.ico $pkgdir/usr/share/git
   install -m644 99-post-install-cleanup.post $pkgdir/etc/post-install
   install -m755 astextplain $pkgdir/usr/bin

git-extra/git-sdk.sh

@@ -71,6 +71,14 @@ sdk () {
 		echo "$*" >&2
 		return 1
 		;;
+	# for completion
+	valid_commands)
+		echo "build cd create-desktop-icon init"
+		;;
+	valid_projects)
+		echo "build-extra git git-extra MINGW-packages MSYS2-packages"
+		;;
+	# here start the commands
 	init-lazy)
 		case "$2" in
 		build-extra|git|MINGW-packages|MSYS2-packages)

git-extra/sdk.completion

@@ -0,0 +1,23 @@
+_sdk()
+{
+	local cur prev opts
+	COMPREPLY=()
+	cur="${COMP_WORDS[COMP_CWORD]}"
+	prev="${COMP_WORDS[COMP_CWORD-1]}"
+
+	case "$prev" in
+	build|cd|init)
+		local projects=$(sdk valid_projects)
+		COMPREPLY=($(compgen -W "$projects" -- $cur))
+		return 0
+		;;
+	create-desktop-icon)
+		return 1
+		;;
+	esac
+
+	opts=$(sdk valid_commands)
+	COMPREPLY=($(compgen -W "$opts" -- $cur))
+	   return 0
+}
+complete -F _sdk sdk