Place me in C:/msys64/usr/lib/aurutils

aur-debuild

#!/bin/bash
# Usage:
#   aur depends mingw-w64-ucrt-mcf-x86_64-some_package | tsort | tac | aur debuild

ARGS=( "$@" )

if [ ! -t 0 ]; then
    readarray -t STDIN_LINES < /dev/stdin
    PACKAGES=( "${ARGS[@]}" "${STDIN_LINES[@]}" )
else
    PACKAGES=( "${ARGS[@]}" )
fi

while IFS=: read -r key value; do
    case "$key" in
        repo) REPO_NAME="$value" ;;
        root) REPO_ROOT="$value" ;;
    esac
done < <(aur repo)

declare -A REPO_VERSIONS
while read -r _ pkg ver _; do
    REPO_VERSIONS["$pkg"]="$ver"
done < <(pacman -Sl "$REPO_NAME")

declare -A MSYS_INSTALLED
while read -r _ pkg _ inst; do
    MSYS_INSTALLED["$pkg"]="$inst"
done < <(pacman -Sl "msys")

for pkg in "${PACKAGES[@]}"; do
    if [[ -f "$MINGW_PACKAGES_EXTRA/$pkg/PKGBUILD" ]]; then
        cd "$MINGW_PACKAGES_EXTRA/$pkg"
    elif [[ -f "$MINGW_PACKAGES/$pkg/PKGBUILD" ]]; then
        cd "$MINGW_PACKAGES/$pkg"
    else
        echo "Skipping $pkg: PKGBUILD not found."
        continue
    fi
    
    LOCAL_VER=$(makepkg --printsrcinfo | grep -E '^\s*(pkgver|pkgrel|epoch) =' | sed 's/ //g' | awk -F= '
        /epoch/{e=$2} /pkgver/{v=$2} /pkgrel/{r=$2} 
        END {if(e) printf "%s:",e; printf "%s-%s",v,r}')

    REPO_VER=${REPO_VERSIONS["$MINGW_PACKAGE_PREFIX${pkg#mingw-w64}"]}

    if [[ -n "$REPO_VER" ]]; then
        RESULT=$(vercmp "$LOCAL_VER" "$REPO_VER")
        if [[ "$RESULT" -le 0 ]]; then
            echo "[$pkg] Up to date (Repo: $REPO_VER, Local: $LOCAL_VER). Skipping."
            continue
        fi
        echo "[$pkg] Update available ($REPO_VER -> $LOCAL_VER)."
    else
        if [[ "$pkg" != "mingw-w64-"* && -z "${MSYS_INSTALLED[$pkg]}" ]]; then
            echo "[$pkg] Installing from msys."
            pacman -S --noconfirm $pkg
            continue
        fi
        echo "[$pkg] Not found in repo. Initial build."
    fi

    echo -ne "\033]0;Building $pkg...\007"
    # -s is pointless for ${MSYSTEM} as we can't pass through --overwrite "*" all the way to pacman
    # but we could benefit from it while installing base msys packages
    # --sign
    aur-build -s -n -R --cleanbuild --margs --skippgpcheck --margs --nocheck || break
    # we aren't a build farm, there is a chance dependency is already installed, but old or mock, so update
    pacman -U $(makepkg-mingw --packagelist | sed -E "s#.+/#${REPO_ROOT}/#") --noconfirm --overwrite "*"
done