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#!/usr/bin/env raku

unit sub MAIN ($pkgver);

put 'Downloading checksums file.';

my $p := run «curl -s -L
             "https://github.com/alecthomas/chroma/releases/download/v$pkgver/chroma-{$pkgver}-checksums.txt"»,
        :out;

my %checksums = $p.out.lines.grep(/linux/).split(/\s+/).hash.antipairs;

my $PKGBUILD_file := 'PKGBUILD'.IO;

my $PKGBUILD = $PKGBUILD_file.slurp;

# Set package version
$PKGBUILD ~~ s/<?after ^^'pkgver='>\N+/$pkgver/;

# Set package checksums
for %checksums.kv -> $linux, $checksum {
    $PKGBUILD ~~ s/<?after ^^ 'sha256sums_x86_64='> \N+/('$checksum')/  if $linux.contains: 'amd64';
    $PKGBUILD ~~ s/<?after ^^ 'sha256sums_i686='> \N+/('$checksum')/    if $linux.contains: '386';
    $PKGBUILD ~~ s/<?after ^^ 'sha256sums_aarch64='> \N+/('$checksum')/ if $linux.contains: 'arm64';
}

put 'Writing to PKGBUILD.';
$PKGBUILD_file.spurt: $PKGBUILD;

put 'Writing to .SRCINFO';
run <makepkg --printsrcinfo>, :out('.SRCINFO'.IO.open: :w);

put 'Running makepkg --install';
run <makepkg --install>;