From ab7289e3aa4c09fee551f66cab6fa6b56d35bc02 Mon Sep 17 00:00:00 2001
From: Denis Isidoro <denisidoro@users.noreply.github.com>
Date: Thu, 15 Apr 2021 09:41:18 -0300
Subject: [PATCH] Remove unnecessary uses of vector of files (#507)

---
 src/actor.rs      |  6 +++---
 src/cmds/core.rs  |  8 +++-----
 src/cmds/repo.rs  | 12 ++++++------
 src/finder/mod.rs | 16 ++++++----------
 4 files changed, 18 insertions(+), 24 deletions(-)

diff --git a/src/actor.rs b/src/actor.rs
index 5850c15..2827050 100644
--- a/src/actor.rs
+++ b/src/actor.rs
@@ -115,9 +115,9 @@ NAVIEOF
         opts.suggestion_type = SuggestionType::Disabled;
     };
 
-    let (output, _) = config
+    let (output, _, _) = config
         .finder
-        .call(opts, &mut Vec::new(), |stdin, _| {
+        .call(opts, |stdin, _| {
             stdin
                 .write_all(suggestions.as_bytes())
                 .context("Could not write to finder's stdin")?;
@@ -178,7 +178,7 @@ fn replace_variables_from_snippet(
 pub fn act(
     extractions: Result<extractor::Output, Error>,
     config: Config,
-    files: &mut Vec<String>,
+    files: Vec<String>,
     variables: Option<VariableMap>,
 ) -> Result<(), Error> {
     let (key, tags, comment, snippet, file_index) = extractions.unwrap();
diff --git a/src/cmds/core.rs b/src/cmds/core.rs
index 96343b0..f3f95ad 100644
--- a/src/cmds/core.rs
+++ b/src/cmds/core.rs
@@ -46,11 +46,9 @@ fn gen_core_finder_opts(config: &Config) -> Result<FinderOpts, Error> {
 pub fn main(config: Config) -> Result<(), Error> {
     let opts = gen_core_finder_opts(&config).context("Failed to generate finder options")?;
 
-    let mut files = Vec::new();
-
-    let (raw_selection, variables) = config
+    let (raw_selection, variables, files) = config
         .finder
-        .call(opts, &mut files, |stdin, files| {
+        .call(opts, |stdin, files| {
             let mut writer = writer::terminal::Writer::new();
 
             let fetcher: Box<dyn Fetcher> = match config.source() {
@@ -78,7 +76,7 @@ pub fn main(config: Config) -> Result<(), Error> {
         return main(config);
     }
 
-    actor::act(extractions, config, &mut files, variables)?;
+    actor::act(extractions, config, files, variables)?;
 
     Ok(())
 }
diff --git a/src/cmds/repo.rs b/src/cmds/repo.rs
index 4dcadd4..f3ffd7b 100644
--- a/src/cmds/repo.rs
+++ b/src/cmds/repo.rs
@@ -39,8 +39,8 @@ pub fn browse(finder: &FinderChoice) -> Result<(), Error> {
         ..Default::default()
     };
 
-    let (repo, _) = finder
-        .call(opts, &mut Vec::new(), |stdin, _| {
+    let (repo, _, _) = finder
+        .call(opts, |stdin, _| {
             stdin
                 .write_all(repos.as_bytes())
                 .context("Unable to prompt featured repositories")?;
@@ -60,8 +60,8 @@ pub fn ask_if_should_import_all(finder: &FinderChoice) -> Result<bool, Error> {
         ..Default::default()
     };
 
-    let (response, _) = finder
-        .call(opts, &mut Vec::new(), |stdin, _| {
+    let (response, _, _) = finder
+        .call(opts, |stdin, _| {
             stdin
                 .write_all(b"Yes\nNo")
                 .context("Unable to writer alternatives")?;
@@ -105,8 +105,8 @@ pub fn add(uri: String, finder: &FinderChoice) -> Result<(), Error> {
     let files = if should_import_all {
         all_files
     } else {
-        let (files, _) = finder
-            .call(opts, &mut Vec::new(), |stdin, _| {
+        let (files, _, _) = finder
+            .call(opts, |stdin, _| {
                 stdin
                     .write_all(all_files.as_bytes())
                     .context("Unable to prompt cheats to import")?;
diff --git a/src/finder/mod.rs b/src/finder/mod.rs
index fafe535..0bb1ed1 100644
--- a/src/finder/mod.rs
+++ b/src/finder/mod.rs
@@ -19,12 +19,7 @@ pub enum FinderChoice {
 }
 
 pub trait Finder {
-    fn call<F>(
-        &self,
-        opts: Opts,
-        files: &mut Vec<String>,
-        stdin_fn: F,
-    ) -> Result<(String, Option<VariableMap>), Error>
+    fn call<F>(&self, opts: Opts, stdin_fn: F) -> Result<(String, Option<VariableMap>, Vec<String>), Error>
     where
         F: Fn(&mut process::ChildStdin, &mut Vec<String>) -> Result<Option<VariableMap>, Error>;
 }
@@ -50,9 +45,8 @@ impl Finder for FinderChoice {
     fn call<F>(
         &self,
         finder_opts: Opts,
-        files: &mut Vec<String>,
         stdin_fn: F,
-    ) -> Result<(String, Option<VariableMap>), Error>
+    ) -> Result<(String, Option<VariableMap>, Vec<String>), Error>
     where
         F: Fn(&mut process::ChildStdin, &mut Vec<String>) -> Result<Option<VariableMap>, Error>,
     {
@@ -174,11 +168,13 @@ impl Finder for FinderChoice {
             .stdin
             .as_mut()
             .ok_or_else(|| anyhow!("Unable to acquire stdin of finder"))?;
-        let result_map = stdin_fn(stdin, files).context("Failed to pass data to finder")?;
+
+        let mut files = vec![];
+        let result_map = stdin_fn(stdin, &mut files).context("Failed to pass data to finder")?;
 
         let out = child.wait_with_output().context("Failed to wait for finder")?;
 
         let output = parse(out, finder_opts).context("Unable to get output")?;
-        Ok((output, result_map))
+        Ok((output, result_map, files))
     }
 }