Support for PIP3 (self update) (#663)

src/config.rs

@@ -95,6 +95,7 @@ pub enum Step {
     Opam,
     Pearl,
     Pipx,
+    Pip3,
     Pkg,
     Powershell,
     Remotes,

src/main.rs

@@ -290,6 +290,7 @@ fn run() -> Result<()> {
     runner.execute(Step::Opam, "opam", || generic::run_opam_update(run_type))?;
     runner.execute(Step::Vcpkg, "vcpkg", || generic::run_vcpkg_update(run_type))?;
     runner.execute(Step::Pipx, "pipx", || generic::run_pipx_update(run_type))?;
+    runner.execute(Step::Pipx, "pip3", || generic::run_pip3_update(run_type))?;
     runner.execute(Step::Stack, "stack", || generic::run_stack_update(run_type))?;
     runner.execute(Step::Tlmgr, "tlmgr", || generic::run_tlmgr_update(&ctx))?;
     runner.execute(Step::Myrepos, "myrepos", || {

src/steps/generic.rs

@@ -220,6 +220,16 @@ pub fn run_pipx_update(run_type: RunType) -> Result<()> {
     run_type.execute(&pipx).arg("upgrade-all").check_run()
 }
 
+pub fn run_pip3_update(run_type: RunType) -> Result<()> {
+    let pip3 = utils::require("pip3")?;
+    print_separator("pip3");
+
+    run_type
+        .execute(&pip3)
+        .args(&["install", "--upgrade", "--user", "pip"])
+        .check_run()
+}
+
 pub fn run_stack_update(run_type: RunType) -> Result<()> {
     let stack = utils::require("stack")?;
     print_separator("stack");