expose postinstall

Author: orsinium

src/args.rs

@@ -16,6 +16,9 @@ pub struct Cli {
 
 #[derive(Subcommand)]
 pub enum Commands {
+    #[clap(hide = true)]
+    Postinstall,
+
     /// Build the project and install it locally (into VFS).
     Build(BuildArgs),
 

src/cli.rs

@@ -6,6 +6,7 @@ use std::path::PathBuf;
 pub fn run_command(vfs: PathBuf, command: &Commands) -> anyhow::Result<()> {
     use Commands::*;
     match command {
+        Postinstall => cmd_postinstall(),
         Build(args) => cmd_build(vfs, args),
         Export(args) => cmd_export(&vfs, args),
         Import(args) => cmd_import(&vfs, args),

src/commands/mod.rs

@@ -31,6 +31,7 @@ pub use logs::cmd_logs;
 pub use monitor::cmd_monitor;
 pub use name::{cmd_name_generate, cmd_name_get, cmd_name_set};
 pub use new::cmd_new;
+pub use postinstall::cmd_postinstall;
 pub use repl::cmd_repl;
 pub use runtime::{cmd_exit, cmd_id, cmd_launch, cmd_restart, cmd_screenshot};
 pub use shots::cmd_shots_download;

src/commands/postinstall.rs

@@ -1,4 +1,4 @@
-use anyhow::{Result, bail};
+use anyhow::{Context, Result, bail};
 use std::{
     io::Write,
     path::{Path, PathBuf},
@@ -33,8 +33,11 @@ fn move_self_to(new_path: &Path) -> Result<()> {
         bail!("cannot access process args");
     };
     let old_path = PathBuf::from(old_path);
+    if !old_path.exists() {
+        bail!("the binary is execute not by its path");
+    }
     let new_path = new_path.join("firefly_cli");
-    std::fs::rename(old_path, new_path)?;
+    std::fs::rename(old_path, new_path).context("move binary")?;
     Ok(())
 }