commit 1830bca8c4e3b551180608ae09173215fe2389be
Author: panicbit <panicbit.dev@gmail.com>
Date:   Tue Nov 14 22:35:59 2017 +0100

    Init

diff --git a/.gitignore b/.gitignore
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index 0000000..143b1ca
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+
+/target/
+**/*.rs.bk
+Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
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index 0000000..07392f4
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+authors = ["panicbit <panicbit.dev@gmail.com>"]
+name = "picasso"
+version = "0.1.0"
+
+[dependencies]
+failure = { git = "https://github.com/withoutboats/failure" }
+failure_derive = { git = "https://github.com/withoutboats/failure_derive" }
diff --git a/README.md b/README.md
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index 0000000..43731d1
--- /dev/null
+++ b/README.md
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+This is a convenience wrapper around the `picasso` CLI
+and is primarily intended to be used in build scripts.
+
+Here is an example `build.rs`:
+
+```rust
+extern crate picasso;
+
+use std::env;
+use std::path::PathBuf;
+
+fn main() {
+    let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
+
+    picasso::assemble(&["vshader.v.pica"], out_dir.join("vshader.v.shbin"))
+        .unwrap_or_else(|e| panic!("{}", e));
+}
+```
+
+To embed the assembled shaders in your binary you can do the following:
+
+```rust
+static VSHADER_SHBIN: &[u8] = include_bytes!(concat!(env!("OUT_DIR"), "/vshader.v.shbin"));
+```
diff --git a/src/lib.rs b/src/lib.rs
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index 0000000..47e1955
--- /dev/null
+++ b/src/lib.rs
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+extern crate failure;
+#[macro_use] extern crate failure_derive;
+
+use std::io;
+use std::ffi::OsStr;
+use std::process::Command;
+
+pub fn assemble<I, O>(source_paths: &[I], out_path: O) -> Result<()> where
+    I: AsRef<OsStr>,
+    O: AsRef<OsStr>,
+{
+    let output = Command::new("picasso")
+        .arg("-o").arg(out_path)
+        .arg("--")
+        .args(source_paths)
+        .output()
+        .map_err(Error::Exec)?;
+    
+    if !output.status.success() {
+        let msg = String::from_utf8_lossy(&output.stderr).into_owned();
+        return Err(Error::Msg(msg));
+    }
+
+    Ok(())
+}
+
+pub type Result<T> = ::std::result::Result<T, Error>;
+
+#[derive(Debug,Fail)]
+pub enum Error {
+    #[fail(display="Failed to run `picasso` ({})", _0)]
+    Exec(io::Error),
+    #[fail(display="`picasso` exited with errors:\n{}", _0)]
+    Msg(String),
+}