Add Pixi to topgrade (#915)

* Add Pixi

* make linter happy

* Fix args

src/config.rs

@@ -122,6 +122,7 @@ pub enum Step {
     PipReviewLocal,
     Pipupgrade,
     Pipx,
+    Pixi,
     Pkg,
     Pkgin,
     PlatformioCore,

src/main.rs

@@ -362,6 +362,7 @@ fn run() -> Result<()> {
     })?;
     runner.execute(Step::Conda, "conda", || generic::run_conda_update(&ctx))?;
     runner.execute(Step::Mamba, "mamba", || generic::run_mamba_update(&ctx))?;
+    runner.execute(Step::Pixi, "pixi", || generic::run_pixi_update(&ctx))?;
     runner.execute(Step::Miktex, "miktex", || generic::run_miktex_packages_update(&ctx))?;
     runner.execute(Step::Pip3, "pip3", || generic::run_pip3_update(&ctx))?;
     runner.execute(Step::PipReview, "pip-review", || generic::run_pip_review_update(&ctx))?;

src/steps/generic.rs

@@ -447,6 +447,13 @@ pub fn run_conda_update(ctx: &ExecutionContext) -> Result<()> {
     command.status_checked()
 }
 
+pub fn run_pixi_update(ctx: &ExecutionContext) -> Result<()> {
+    let pixi = require("pixi")?;
+    print_separator("Pixi");
+
+    ctx.run_type().execute(pixi).args(["self-update"]).status_checked()
+}
+
 pub fn run_mamba_update(ctx: &ExecutionContext) -> Result<()> {
     let mamba = require("mamba")?;