scripts: revert /etc/issue generation to pre-ptxdist-2018.10.0 variant

The upstream rework of the banner generation from ptxdist commit
f53889792197d93ca2f9bb7edc0d8e778c0ba9e2 is broken. Revert temporarily
to the version from ptxdist-2018.09.0.

Signed-off-by: Robert Schwebel <r.schwebel@pengutronix.de>

1 files changed, 56 insertions, 0 deletions

diff --git a/scripts/lib/ptxd_make_xpkg_pkg.sh b/scripts/lib/ptxd_make_xpkg_pkg.sh
new file mode 100644
index 0000000..f6ceb86
--- /dev/null
+++ b/scripts/lib/ptxd_make_xpkg_pkg.sh
@@ -0,0 +1,56 @@
+#!/bin/bash
+#
+# Copyright (C) 2010 by Michael Olbrich <m.olbrich@pengutronix.de>
+#
+# See CREDITS for details about who has contributed to this project.
+#
+# For further information about the PTXdist project and license conditions
+# see the README file.
+#
+
+#
+# workaround for ptxdist-2018.10.0: override this function to the old
+# variant from ptxdist-2018.09.0, as it is currently broken.
+#
+
+export -fn ptxd_install_replace_figlet
+
+ptxd_install_replace_figlet() {
+    local dst="$1"
+    local placeholder="$2"
+    local value="$3"
+    local escapemode="$4"
+    local -a dirs ndirs pdirs sdirs ddirs
+    local mod_nfs mod_rw
+
+    ptxd_install_setup &&
+    echo "\
+install replace figlet:
+  file=${dst}
+  '${placeholder}' -> '\`figlet ${value}\`'
+" &&
+
+    ptxd_exist "${dirs[@]/%/${dst}}" &&
+    ptxd_figlet_helper() {
+        local value="$1"
+        local escapemode="$2"
+        figlet -d "${PTXDIST_SYSROOT_HOST}/share/figlet" -- "${value}" | \
+        case "$escapemode" in
+            # a lot of leaning toothpicks because we need to escape a literal
+            # '\' with '\\' on multiple levels:
+            # - one level for the string inside awk: \\\\\\\\\\\\\\\\ -> \\\\\\\\
+            # - one level for the shell string after sed -e:          -> \\\\
+            # - one level for the s expression inside sed:            -> \\
+            # - and finally, one level for /etc/issue:                -> \
+            etcissue)	awk '{ gsub("\\\\", "\\\\\\\\\\\\\\\\"); print }' ;;
+            *)		;;
+        esac | \
+        awk '{ if ($0 !~ "^ *$") printf("%s\\n", $0) }'  # newlines for sed
+    } &&
+    figlet="$(ptxd_figlet_helper "$value" "$escapemode")" &&
+    sed -i -e "s#${placeholder}#${figlet}#g" "${dirs[@]/%/${dst}}" ||
+
+    ptxd_install_error "install_replace failed!"
+}
+export -f ptxd_install_replace_figlet
+