Add dash package

dash/PKGBUILD

@@ -0,0 +1,34 @@
+# Maintainer: Alexey Pavlov <alexpux@gmail.com>
+
+pkgname=dash
+pkgver=0.5.7
+pkgrel=1
+pkgdesc="A POSIX compliant shell that aims to be as small as possible"
+arch=('i686' 'x86_64')
+url="http://gondor.apana.org.au/~herbert/dash/"
+license=('BSD')
+depends=('msys2-runtime')
+install=dash.install
+source=("http://gondor.apana.org.au/~herbert/dash/files/${pkgname}-${pkgver}.tar.gz")
+sha1sums=('a3ebc16f2e2c7ae8adf64e5e62ae3dcb631717c6')
+
+build() {
+  cd "${srcdir}/${pkgname}-${pkgver}"
+  ./configure --prefix=/usr \
+      --bindir=/usr/bin \
+      --mandir=/usr/share/man \
+      --exec-prefix="" \
+      CFLAGS='-O2 -static-libgcc'
+  make
+}
+
+package() {
+  cd "${srcdir}/${pkgname}-${pkgver}"
+  make DESTDIR="${pkgdir}" install
+
+  # license
+  install -m644 -D COPYING ${pkgdir}/usr/share/licenses/${pkgname}/COPYING
+  
+  ln -s ${pkgdir}/usr/bin/{d,}ash.exe
+  ln -s ${pkgdir}/usr/share/man/man1/{d,}ash.1
+}

dash/dash.install

@@ -0,0 +1,11 @@
+post_install() {
+	grep -q '/bin/dash' etc/shells || echo '/bin/dash' >> etc/shells
+}
+
+post_upgrade() {
+	post_install
+}
+
+pre_remove() {
+	sed -i '/^\/bin\/dash/d' etc/shells
+}