bootstrap-ldc: new script

Author: liushuyu

bootstrap-ldc.sh

@@ -0,0 +1,42 @@
+#!/bin/bash -e
+
+GDMD_WRAPPER="https://cdn.jsdelivr.net/gh/D-Programming-GDC/gdmd@ff2c97a47408fb71c18a2d453294d18808a97cc5/dmd-script"
+TREE_DIR="/tree/extra-dlang/ldc/"
+
+if [ ! -d /tree ]; then
+    echo '[!] Must be run from a Ciel container!'
+    exit 1
+fi
+
+echo '[+] Installing GDMD wrapper for gdc ...'
+wget "$GDMD_WRAPPER" -O /usr/bin/gdmd
+chmod a+x /usr/bin/gdmd
+
+echo '[+] Removing ldc ...'
+apt-get purge ldc || true
+sed -i "s| ldc||" "${TREE_DIR}01-liblphobos/defines"
+
+echo '[+] Patching LDC building scripts ...'
+cat << 'EOF' | perl -
+my $filename = '/tree/extra-dlang/ldc/01-liblphobos/build';
+my $regex = qr/cmake \.\..+?ninja/msp;
+my $subst = 'cmake .. -GNinja -DD_COMPILER=/usr/bin/gdmd -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr;ninja';
+
+my $file_content = do{local(@ARGV,$/)=$filename;<>};
+my $result = $file_content =~ s/$regex/$subst/rg;
+open(FH, '>', $filename) or die $!;
+
+print FH "$result\n";
+EOF
+
+echo '[+] Bootstrapping LDC ...'
+acbs-build ldc
+
+echo '[+] Restoring Git tree ...'
+pushd /tree
+git checkout -f 'extra-dlang/ldc/'
+popd
+rm -v /usr/bin/gdmd
+
+echo '[+] Re-building LDC with LDC ...'
+acbs-build ldc