before index-conflict changes

src/commands/run/patch.rs

@@ -0,0 +1,32 @@
+use std::fs;
+
+use crate::utils::parser::{self, env::get_install_env};
+use crate::utils::shell::{run_install_script,run_install_script_hook};
+use super::download::download;
+
+pub fn patch(
+    repo: &String,
+    pkgname: &String,
+) -> Result<(), bool> {
+    let src_dir = &crate::commands::get_aeropkg_base().join("src").join(&pkgname);
+    let pkg_md_path = &crate::commands::get_var_path().join(format!("{}/{}.md", &repo, &pkgname));
+    let patch_script = &parser::get_patch_script(pkg_md_path).unwrap_or("".to_string());
+
+    if src_dir.join("aeropkg.applied-patch").exists() {
+        let src_patch = &fs::read_to_string(src_dir.join("aeropkg.applied-patch")).unwrap_or("".to_string());
+        if patch_script == src_patch {
+            return Ok(())
+        } else {
+            fs::remove_dir_all(src_dir).unwrap();
+            download(&repo, &pkgname)?;
+        }
+    }
+    if patch_script == "" { return Ok(()) }
+
+    let full_env = get_install_env(repo, pkgname, pkg_md_path, "patch");
+    run_install_script(patch_script, src_dir, &full_env)?;
+    run_install_script_hook(repo, "patch", &full_env)?;
+    fs::write(src_dir.join("aeropkg.applied-patch"), &patch_script).unwrap();
+
+    Ok(())
+}