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feat(tvix/derivation): add nix drv path generation to Derivation

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This adds a function to generate the derivation path. The computation
is based on the Go implementation.

Change-Id: Iae89db4976f5fd9208f0453f73688689a245cd66
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7729
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
This commit is contained in:
Jürgen Hahn 2023-01-02 16:09:18 +01:00 • committed by jrhahn
parent 79c05f3810
commit 6f993b8bde
7 changed files with 137 additions and 4 deletions
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11
tvix/derivation/src/write.rs
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@ -10,6 +10,12 @@ pub const BRACKET_CLOSE: char = ']';
pub const COMMA: char = ',';
pub const QUOTE: char = '"';
pub const COLON: &str = ":";
pub const TEXT_COLON: &str = "text:";
pub const SHA256_COLON: &str = "sha256:";
pub const STORE_PATH_COLON: &str = "/nix/store:";
pub const DOT_FILE_EXT: &str = ".drv";
fn write_array_elements(
writer: &mut impl Write,
quote: bool,
@ -110,7 +116,7 @@ pub fn write_input_derivations(
pub fn write_input_sources(
writer: &mut impl Write,
input_sources: &Vec<String>,
input_sources: &[String],
) -> Result<(), fmt::Error> {
writer.write_char(COMMA)?;
@ -138,8 +144,7 @@ pub fn write_builder(writer: &mut impl Write, builder: &str) -> Result<(), fmt::
writer.write_str(escape_string(builder).as_str())?;
Ok(())
}
pub fn write_arguments(writer: &mut impl Write, arguments: &Vec<String>) -> Result<(), fmt::Error> {
pub fn write_arguments(writer: &mut impl Write, arguments: &[String]) -> Result<(), fmt::Error> {
writer.write_char(COMMA)?;
// convert Vec<String> to [&str]
let v: Vec<&str> = arguments.iter().map(|x| &**x).collect();