Actually adding the install package

1 files changed, 44 insertions, 0 deletions

diff --git a/install/zsh.go b/install/zsh.go
new file mode 100644
index 0000000..29950ab
--- /dev/null
+++ b/install/zsh.go
@@ -0,0 +1,44 @@
+package install
+
+import "fmt"
+
+// (un)install in zsh
+// basically adds/remove from .zshrc:
+//
+// autoload -U +X bashcompinit && bashcompinit"
+// complete -C </path/to/completion/command> <command>
+type zsh struct {
+	rc string
+}
+
+func (z zsh) IsInstalled(cmd, bin string) bool {
+	completeCmd := z.cmd(cmd, bin)
+	return lineInFile(z.rc, completeCmd)
+}
+
+func (z zsh) Install(cmd, bin string) error {
+	if z.IsInstalled(cmd, bin) {
+		return fmt.Errorf("already installed in %s", z.rc)
+	}
+
+	completeCmd := z.cmd(cmd, bin)
+	bashCompInit := "autoload -U +X bashcompinit && bashcompinit"
+	if !lineInFile(z.rc, bashCompInit) {
+		completeCmd = bashCompInit + "\n" + completeCmd
+	}
+
+	return appendToFile(z.rc, completeCmd)
+}
+
+func (z zsh) Uninstall(cmd, bin string) error {
+	if !z.IsInstalled(cmd, bin) {
+		return fmt.Errorf("does not installed in %s", z.rc)
+	}
+
+	completeCmd := z.cmd(cmd, bin)
+	return removeFromFile(z.rc, completeCmd)
+}
+
+func (zsh) cmd(cmd, bin string) string {
+	return fmt.Sprintf("complete -o nospace -C %s %s", bin, cmd)
+}