#!/bin/bash
# For mingw builds use a vendored mingw.

set -euo pipefail
IFS=$'\n\t'

source "$(cd "$(dirname "$0")" && pwd)/../shared.sh"

MINGW_ARCHIVE_32="i686-14.1.0-release-posix-dwarf-msvcrt-rt_v12-rev0.7z"
MINGW_ARCHIVE_64="x86_64-14.1.0-release-posix-seh-msvcrt-rt_v12-rev0.7z"

if isWindows && isKnownToBeMingwBuild; then
    case "${CI_JOB_NAME}" in
        *i686*)
            bits=32
            mingw_archive="${MINGW_ARCHIVE_32}"
            ;;
        *x86_64*)
            bits=64
            mingw_archive="${MINGW_ARCHIVE_64}"
            ;;
        *aarch64*)
            # aarch64 is a cross-compiled target. Use the x86_64
            # mingw, since that's the host architecture.
            bits=64
            mingw_archive="${MINGW_ARCHIVE_64}"
            ;;
        *)
            echo "src/ci/scripts/install-mingw.sh can't detect the builder's architecture"
            echo "please tweak it to recognize the builder named '${CI_JOB_NAME}'"
            exit 1
            ;;
    esac

    # Stop /msys64/bin from being prepended to PATH by adding the bin directory manually.
    # Note that this intentionally uses a Windows style path instead of the msys2 path to
    # avoid being auto-translated into `/usr/bin`, which will not have the desired effect.
    msys2Path="c:/msys64"
    ciCommandAddPath "${msys2Path}/usr/bin"

    mingw_dir="mingw${bits}"

    curl -o mingw.7z "${MIRRORS_BASE}/${mingw_archive}"
    7z x -y mingw.7z > /dev/null
    ciCommandAddPath "$(cygpath -m "$(pwd)/${mingw_dir}/bin")"

    # Initialize mingw for the user.
    # This should be done by github but isn't for some reason.
    # (see https://github.com/actions/runner-images/issues/12600)
    /c/msys64/usr/bin/bash -lc ' '
fi