initial upload

1 files changed, 12 insertions, 0 deletions

diff --git a/zsh.install b/zsh.install
new file mode 100644
index 000000000000..c9bd5b6633ea
--- /dev/null
+++ b/zsh.install
@@ -0,0 +1,12 @@
+post_install() {
+	grep -qe '^/bin/zsh$' etc/shells || echo '/bin/zsh' >> etc/shells
+	grep -qe '^/usr/bin/zsh$' etc/shells || echo '/usr/bin/zsh' >> etc/shells
+}
+
+post_upgrade() {
+	post_install
+}
+
+pre_remove() {
+	sed -i -r '/^(\/usr)?\/bin\/zsh$/d' etc/shells
+}