contrib: install PyOxidizer in Linux and Windows environments

For Linux, this was trivial.

For Windows, we need to teach the powershell script to install
Rust as well. This was also pretty straightforward.

Differential Revision: https://phab.mercurial-scm.org/D8468

contrib/automation/hgautomation/linux.py

@@ -72,8 +72,10 b' echo "${RUSTUP_INIT_SHA256} rustup-init"'
 
 chmod +x rustup-init
 sudo -H -u hg -g hg ./rustup-init -y
-sudo -H -u hg -g hg /home/hg/.cargo/bin/rustup install 1.31.1 1.34.2
+sudo -H -u hg -g hg /home/hg/.cargo/bin/rustup install 1.31.1 1.42.0
 sudo -H -u hg -g hg /home/hg/.cargo/bin/rustup component add clippy
+
+sudo -H -u hg -g hg /home/hg/.cargo/bin/cargo install --version 0.7.0 pyoxidizer
 '''
 
 

contrib/install-windows-dependencies.ps1

@@ -64,6 +64,9 b''
 $MERCURIAL_WHEEL_URL = "https://files.pythonhosted.org/packages/6d/47/e031e47f7fe9b16e4e3383da47e2b0a7eae6e603996bc67a03ec4fa1b3f4/$MERCURIAL_WHEEL_FILENAME"
 $MERCURIAL_WHEEL_SHA256 = "1d18c7f6ca1456f0f62ee65c9a50c14cbba48ce6e924930cdb10537f5c9eaf5f"
 
+$RUSTUP_INIT_URL = "https://static.rust-lang.org/rustup/archive/1.21.1/x86_64-pc-windows-gnu/rustup-init.exe"
+$RUSTUP_INIT_SHA256 = "d17df34ba974b9b19cf5c75883a95475aa22ddc364591d75d174090d55711c72"
+
 # Writing progress slows down downloads substantially. So disable it.
 $progressPreference = 'silentlyContinue'
 
@@ -116,6 +119,20 b' function Install-Python3($name, $install'
     Invoke-Process ${dest}\python.exe $pip
 }
 
+function Install-Rust($prefix) {
+    Write-Output "installing Rust"
+    $Env:RUSTUP_HOME = "${prefix}\rustup"
+    $Env:CARGO_HOME = "${prefix}\cargo"
+
+    Invoke-Process "${prefix}\assets\rustup-init.exe" "-y --default-host x86_64-pc-windows-msvc"
+    Invoke-Process "${prefix}\cargo\bin\rustup.exe" "target add i686-pc-windows-msvc"
+    Invoke-Process "${prefix}\cargo\bin\rustup.exe" "install 1.42.0"
+    Invoke-Process "${prefix}\cargo\bin\rustup.exe" "component add clippy"
+
+    # Install PyOxidizer for packaging.
+    Invoke-Process "${prefix}\cargo\bin\cargo.exe" "install --version 0.7.0 pyoxidizer"
+}
+
 function Install-Dependencies($prefix) {
     if (!(Test-Path -Path $prefix\assets)) {
         New-Item -Path $prefix\assets -ItemType Directory
@@ -140,6 +157,7 b' function Install-Dependencies($prefix) {'
     Secure-Download $INNO_SETUP_URL ${prefix}\assets\InnoSetup.exe $INNO_SETUP_SHA256
     Secure-Download $MINGW_BIN_URL ${prefix}\assets\mingw-get-bin.zip $MINGW_BIN_SHA256
     Secure-Download $MERCURIAL_WHEEL_URL ${prefix}\assets\${MERCURIAL_WHEEL_FILENAME} $MERCURIAL_WHEEL_SHA256
+    Secure-Download $RUSTUP_INIT_URL ${prefix}\assets\rustup-init.exe $RUSTUP_INIT_SHA256
 
     Write-Output "installing Python 2.7 32-bit"
     Invoke-Process msiexec.exe "/i ${prefix}\assets\python27-x86.msi /l* ${prefix}\assets\python27-x86.log /q TARGETDIR=${prefix}\python27-x86 ALLUSERS="
@@ -163,6 +181,8 b' function Install-Dependencies($prefix) {'
     Write-Output "installing Visual Studio 2017 Build Tools and SDKs"
     Invoke-Process ${prefix}\assets\vs_buildtools.exe "--quiet --wait --norestart --nocache --channelUri https://aka.ms/vs/15/release/channel --add Microsoft.VisualStudio.Workload.MSBuildTools --add Microsoft.VisualStudio.Component.Windows10SDK.17763 --add Microsoft.VisualStudio.Workload.VCTools --add Microsoft.VisualStudio.Component.Windows10SDK --add Microsoft.VisualStudio.Component.VC.140"
 
+    Install-Rust ${prefix}
+
     Write-Output "installing Visual C++ 9.0 for Python 2.7"
     Invoke-Process msiexec.exe "/i ${prefix}\assets\VCForPython27.msi /l* ${prefix}\assets\VCForPython27.log /q"