1 files changed, 13 insertions, 0 deletions
diff --git a/zash.install b/zash.install
new file mode 100644
index 000000000000..ac9327cc469f
--- /dev/null
+++ b/zash.install
@@ -0,0 +1,13 @@
+
+post_install() {
+  grep -qe '^/usr/bin/zash$' etc/shells || echo '/usr/bin/zash' >> etc/shells
+  grep -qe '^/bin/zash$' etc/shells || echo '/bin/zash' >> etc/shells
+}
+
+post_upgrade() {
+  post_install
+}
+
+pre_remove() {
+  sed -ri -e '\|^/usr/bin/zash$|d' -e '\|^/bin/zash$|d' etc/shells
+}