1 files changed, 85 insertions, 0 deletions
diff --git a/scripts/lib/ptxd_make_nested.sh b/scripts/lib/ptxd_make_nested.sh
new file mode 100644
index 000000000..c039a8c77
--- /dev/null
+++ b/scripts/lib/ptxd_make_nested.sh
@@ -0,0 +1,85 @@
+#!/bin/bash
+#
+# Copyright (C) 2023 by Michael Olbrich <m.olbrich@pengutronix.de>
+#
+# For further information about the PTXdist project and license conditions
+# see the README file.
+#
+
+ptxd_make_nested_ptxdist_impl() {
+    # close all unneeded fds. The nested PTXdist will open its own fds.
+    exec 9>&-
+    if [ -n "${PTXDIST_FD_STDOUT}" ]; then
+	exec {PTXDIST_FD_STDOUT}>&-
+	exec {PTXDIST_FD_STDERR}>&-
+    fi
+    exec {ptxd_make_serialize_get_writefd}>&-
+    exec {ptxd_make_serialize_get_readfd}>&-
+    exec {ptxd_make_serialize_extract_writefd}>&-
+    exec {ptxd_make_serialize_extract_readfd}>&-
+
+    # let shell split by IFS
+    set -- ${PTXCONF_SETUP_ENV_WHITELIST} ${PTXDIST_ENV_WHITELIST} PTXDIST_ENV_WHITELIST
+    whitelist="${*}"
+    whitelist="${whitelist:+|}${whitelist// /|}"
+
+    unset $({
+	export -p  | sed -n 's/^declare -x \([^=]*\).*$/\1/p'
+	export -fp | sed -n 's/^declare -fx \([^=]*\).*$/\1/p'
+	} | grep -E -v "^(args|PTXDIST_PTXRC|PTX_AUTOBUILD_DESTDIR|PTXDIST_PLATFORMDIR|CCACHE_.*|PWD|HOME|USER|PATH|TERM|COLUMNS|LINES|DISPLAY|TMPDIR|http_proxy|https_proxy|ftp_proxy|no_proxy${whitelist})$")
+
+    PATH=$(sed -e 's;[^:]*/sysroot-\(host\|cross\)/[^:]*:;;g' -e "s;${PTXDIST_TOPDIR}/bin:;;" -e "s;${PTXDIST_TOOLCHAIN}:;;" <<< "${PATH}")
+
+    eval "${args[@]}"
+}
+export -f ptxd_make_nested_ptxdist_impl
+
+#
+# Clear the environment and call a nested PTXdist.
+# Can be used to build other platforms.
+#
+ptxd_make_nested_ptxdist() {
+    local -a args
+
+    ptxd_make_world_init || return
+
+    if [ -z "${pkg_workspace}" ]; then
+	pkg_workspace="${PTXDIST_WORKSPACE}"
+    fi
+    args=( "cd" "${pkg_workspace}" "&&" "${PTXDIST_TOPDIR}/bin/ptxdist" )
+
+    if [ "${PTXDIST_DIRTY}" = true ]; then
+	args[${#args[*]}]="--dirty"
+    fi
+    if [ "${PTXDIST_FORCE}" = true ]; then
+	args[${#args[*]}]="--force"
+    fi
+    if [ "${PTXDIST_PEDANTIC}" = true ]; then
+	args[${#args[*]}]="--pedantic"
+    fi
+    if [ "${PTXDIST_QUIET}" = 1 ]; then
+	args[${#args[*]}]="--quiet"
+    fi
+    if [ "${PTXDIST_VERBOSE}" = 1 ]; then
+	args[${#args[*]}]="--verbose"
+    fi
+    if [ -n "${PTXDIST_PARALLEL_FLAGS}" ]; then
+	args[${#args[*]}]="${PTXDIST_PARALLEL_FLAGS}"
+    fi
+    if [[ "${PTXDIST_JOBSERVER_FLAGS}" =~ ^--jobserver-auth ]]; then
+	args[${#args[*]}]="${PTXDIST_JOBSERVER_FLAGS}"
+    fi
+    args+=( "${@}" )
+
+    ptxd_verbose "executing:" "${args[@]}"
+
+    # run ptxdist but don't log it. It has it's on logfile
+    (
+	if [ -n "${PTXDIST_FD_STDOUT}" ]; then
+	    exec 1> >(sed "s/^/${pkg_label}: /" >&${PTXDIST_FD_STDOUT})
+	    exec 2> >(sed "s/^/${pkg_label}: /" >&${PTXDIST_FD_STDERR})
+	fi
+	ptxd_make_nested_ptxdist_impl
+    )
+}
+export -f ptxd_make_nested_ptxdist