Installer v2.5 for {linux,mac}_{x64,arm64}; Include the micromamba binaries for them

Start Stable Diffusion UI.cmd

@@ -5,7 +5,6 @@ echo. & echo "Stable Diffusion UI - v2.5" & echo.
 set PATH=C:\Windows\System32;%PATH%
 
 set START_CMD_FILENAME=Start Stable Diffusion UI.cmd
-
 set SD_BASE_DIR=%cd%
 
 @rem Confirm or change the installation dir

installer/bootstrap/bootstrap.bat

@@ -7,7 +7,7 @@
 set MAMBA_ROOT_PREFIX=%SD_BASE_DIR%\env\mamba
 set INSTALL_ENV_DIR=%SD_BASE_DIR%\env\installer_env
 set INSTALLER_YAML_FILE=%SD_BASE_DIR%\installer\yaml\installer-environment.yaml
-set MICROMAMBA_BINARY_FILE=%SD_BASE_DIR%\installer\bin\micromamba_win64.exe
+set MICROMAMBA_BINARY_FILE=%SD_BASE_DIR%\installer\bin\micromamba_win_x64.exe
 
 @rem initialize the mamba dir
 if not exist "%MAMBA_ROOT_PREFIX%" mkdir "%MAMBA_ROOT_PREFIX%"

installer/bootstrap/bootstrap.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+
+# This file initializes micromamba and activates the env.
+# A similar bootstrap file needs to exist for each platform (win, linux, macOS)
+# Ready to hand-over to the platform-independent installer after this (written in python).
+
+OS_NAME=$(uname -s)
+case "${OS_NAME}" in
+    Linux*)     OS_NAME="linux"
+    Darwin*)    OS_NAME="mac"
+    *)          echo "Unknown OS: $OS_NAME! This only runs on Linux or Mac" && exit
+esac
+
+OS_ARCH=$(uname -m)
+case "${OS_ARCH}" in
+    x86_64*)    OS_ARCH="x64"
+    arm64*)     OS_ARCH="arm64"
+    *)          echo "Unknown system architecture: $OS_ARCH! This only runs on x86_64 or arm64" && exit
+esac
+
+export MAMBA_ROOT_PREFIX=$SD_BASE_DIR/env/mamba
+INSTALL_ENV_DIR=$SD_BASE_DIR/env/installer_env
+INSTALLER_YAML_FILE=$SD_BASE_DIR/installer/yaml/installer-environment.yaml
+MICROMAMBA_BINARY_FILE=$SD_BASE_DIR/installer/bin/micromamba_${OS_NAME}_${OS_ARCH}
+
+# initialize the mamba dir
+mkdir -p "$MAMBA_ROOT_PREFIX"
+
+cp "$MICROMAMBA_BINARY_FILE" "$MAMBA_ROOT_PREFIX/micromamba"
+
+# test the mamba binary
+echo "Micromamba version:"
+"$MAMBA_ROOT_PREFIX/micromamba" --version
+
+# run the shell hook
+eval "$($MAMBA_ROOT_PREFIX/micromamba shell hook -s posix)"
+
+# create the installer env
+if [ ! -e "$INSTALL_ENV_DIR" ]; then
+    micromamba create -y --prefix "$INSTALL_ENV_DIR" -f "$INSTALLER_YAML_FILE"
+fi
+
+# activate
+micromamba activate "$INSTALL_ENV_DIR"

start.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+echo "Stable Diffusion UI - v2.5/n/n"
+
+export START_CMD_FILENAME="start.sh"
+export SD_BASE_DIR=$(pwd)
+
+echo "Working in $SD_BASE_DIR"
+
+# Setup the packages required for the installer
+installer/bootstrap/bootstrap.sh
+
+# Test the bootstrap
+git --version
+python --version
+
+# Download the rest of the installer and UI
+python installer/installer/main.py
+
+read -p "Press any key to continue"