relocate files_to_stdenv

ofborg/src/files.rs

@@ -0,0 +1,8 @@
+use std::io::Read;
+use std::fs::File;
+
+pub fn file_to_str(f: &mut File) -> String {
+    let mut buffer = Vec::new();
+    f.read_to_end(&mut buffer).expect("Reading eval output");
+    return String::from(String::from_utf8_lossy(&buffer));
+}

ofborg/src/lib.rs

@@ -36,6 +36,7 @@ pub mod config;
 pub mod message;
 pub mod tasks;
 pub mod evalchecker;
+pub mod files;
 pub mod nix;
 pub mod stats;
 pub mod ghevent;
@@ -61,6 +62,7 @@ pub mod ofborg {
     pub use message;
     pub use tasks;
     pub use evalchecker;
+    pub use files;
     pub use commitstatus;
     pub use ghevent;
     pub use nix;

ofborg/src/tasks/massrebuilder.rs

@@ -5,13 +5,12 @@ extern crate uuid;
 
 use uuid::Uuid;
 use std::collections::HashMap;
-use std::fs::File;
-use std::io::Read;
 use std::path::Path;
 use std::path::PathBuf;
 use ofborg::checkout;
 use ofborg::message::{massrebuildjob, buildjob};
 use std::time::Instant;
+use ofborg::files::file_to_str;
 use ofborg::nix;
 use ofborg::acl::ACL;
 use ofborg::stats;
@@ -730,12 +729,6 @@ pub fn update_labels(issue: &hubcaps::issues::IssueRef, add: Vec<String>, remove
     }
 }
 
-fn file_to_str(f: &mut File) -> String {
-    let mut buffer = Vec::new();
-    f.read_to_end(&mut buffer).expect("Reading eval output");
-    return String::from(String::from_utf8_lossy(&buffer));
-}
-
 fn parse_commit_messages(messages: Vec<String>) -> Vec<String> {
     messages
         .iter()