Move bash 5.2 to sysc and rebuild 2.05b in sysa

This unblocks Fiwix.

sysc/bash-5.2.15/bash-5.2.15.sh

@@ -0,0 +1,57 @@
+# SPDX-FileCopyrightText: 2021 Paul Dersey <pdersey@gmail.com>
+# SPDX-FileCopyrightText: 2021 Andrius Štikonas <andrius@stikonas.eu>
+# SPDX-FileCopyrightText: 2021 Bastian Bittorf <bb@npl.de>
+# SPDX-FileCopyrightText: 2022 fosslinux <fosslinux@aussies.space>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+src_prepare() {
+    # Remove bison generated files
+    rm y.tab.c y.tab.h
+
+    # Remove prebuilt translation catalogs
+    rm po/*.gmo
+
+    # Skip documentation
+    mv doc/Makefile.in Makefile.in.doc
+    rm doc/*
+    mv Makefile.in.doc doc/Makefile.in
+
+    # Erroneously included file (configure checks do not work)
+    rm lib/sh/strtoimax.c
+    touch lib/sh/strtoimax.c
+
+    # Rebuild configure script
+    rm configure
+    autoconf-2.69
+
+    # avoid non-deterministic build:
+    printf '%s\n%s\n' \
+	   '#!/bin/sh' \
+	   'echo "#define PIPESIZE 65536"' >builtins/psize.sh
+}
+
+src_configure() {
+    # --build argument needed for reproducibility
+    # bash_cv_dev_stdin and bash_cv_dev_fd are also used to
+    # improve reproducibility because they make configure
+    # skip checking for /dev/{fd,stdin,stdout,stderr} (build
+    # output is affected by their availability otherwise).
+    # size is part of binutils and is not yet available.
+    ./configure --prefix="${PREFIX}" \
+        --without-bash-malloc \
+        --disable-nls \
+        --build=i386-unknown-linux-musl \
+        --enable-static-link \
+        bash_cv_dev_stdin=absent \
+        bash_cv_dev_fd=whacky
+}
+
+src_install() {
+    install -D bash "${DESTDIR}${PREFIX}/bin/bash"
+    # Work around weird symlink bug
+    install bash "${DESTDIR}${PREFIX}/bin/sh"
+
+    # Needs special handling b/c is currently running - tar doesn't like this
+    rm -f "${PREFIX}/bin/bash" "${PREFIX}/bin/sh"
+}