From 7f959a708855b12fec3782654832b446c8141f49 Mon Sep 17 00:00:00 2001
From: Scott Haug <scott@houseofhaug.net>
Date: Mon, 27 Feb 2023 11:08:33 -0800
Subject: [PATCH] misc: dedupe

---
 src/link.rs | 27 +++++++++++----------------
 1 file changed, 11 insertions(+), 16 deletions(-)

diff --git a/src/link.rs b/src/link.rs
index cca94ad..8bb0275 100644
--- a/src/link.rs
+++ b/src/link.rs
@@ -241,6 +241,13 @@ impl AsyncRead for Linker {
     }
 }
 
+fn filesize(target: &Path) -> Result<usize> {
+    Ok(target
+        .metadata()
+        .with_context(|| format!("Failed to get metadata of {}", target.display()))?
+        .len() as usize)
+}
+
 impl Linker {
     /// Creates a new asynchronous readable file handle into the cache.
     pub async fn open<P, K, T>(cache: P, key: K, target: T) -> Result<Self>
@@ -250,10 +257,7 @@ impl Linker {
         T: AsRef<Path>,
     {
         async fn inner(cache: &Path, key: &str, target: &Path) -> Result<Linker> {
-            let size = target
-                .metadata()
-                .with_context(|| format!("Failed to get metadata of {}", target.display()))?
-                .len() as usize;
+            let size = filesize(&target)?;
             WriteOpts::new()
                 .algorithm(Algorithm::Sha256)
                 .size(size)
@@ -270,10 +274,7 @@ impl Linker {
         T: AsRef<Path>,
     {
         async fn inner(cache: &Path, target: &Path) -> Result<Linker> {
-            let size = target
-                .metadata()
-                .with_context(|| format!("Failed to get metadata of {}", target.display()))?
-                .len() as usize;
+            let size = filesize(&target)?;
             WriteOpts::new()
                 .algorithm(Algorithm::Sha256)
                 .size(size)
@@ -380,10 +381,7 @@ impl SyncLinker {
         T: AsRef<Path>,
     {
         fn inner(cache: &Path, key: &str, target: &Path) -> Result<SyncLinker> {
-            let size = target
-                .metadata()
-                .with_context(|| format!("Failed to get metadata of {}", target.display()))?
-                .len() as usize;
+            let size = filesize(&target)?;
             WriteOpts::new()
                 .algorithm(Algorithm::Sha256)
                 .size(size)
@@ -417,10 +415,7 @@ impl SyncLinker {
         T: AsRef<Path>,
     {
         fn inner(cache: &Path, target: &Path) -> Result<SyncLinker> {
-            let size = target
-                .metadata()
-                .with_context(|| format!("Failed to get metadata of {}", target.display()))?
-                .len() as usize;
+            let size = filesize(&target)?;
             WriteOpts::new()
                 .algorithm(Algorithm::Sha256)
                 .size(size)