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buildroot/bin/generate_version

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+#!/usr/bin/env bash
+#
+# generate_version
+#
+# Make a Version.h file to accompany CUSTOM_VERSION_FILE
+#
+# Authors: jbrazio, thinkyhead, InsanityAutomation, rfinnie
+#
+
+set -e
+
+DIR="${1:-Marlin}"
+READ_FILE="${READ_FILE:-${DIR}/Version.h}"
+WRITE_FILE="${WRITE_FILE:-${READ_FILE}}"
+
+BRANCH="$(git -C "${DIR}" symbolic-ref -q --short HEAD 2>/dev/null || true)"
+VERSION="$(git -C "${DIR}" describe --tags --first-parent 2>/dev/null || true)"
+
+STRING_DISTRIBUTION_DATE="${STRING_DISTRIBUTION_DATE:-$(date '+%Y-%m-%d %H:%M')}"
+SHORT_BUILD_VERSION="${SHORT_BUILD_VERSION:-${BRANCH}}"
+DETAILED_BUILD_VERSION="${DETAILED_BUILD_VERSION:-${BRANCH}-${VERSION}}"
+
+# Gets some misc options from their defaults
+DEFAULT_MACHINE_UUID="${DEFAULT_MACHINE_UUID:-$(awk -F'"' \
+  '/#define DEFAULT_MACHINE_UUID/{ print $2 }' < "${READ_FILE}")}"
+MACHINE_NAME="${MACHINE_NAME:-$(awk -F'"' \
+  '/#define MACHINE_NAME/{ print $2 }' < "${READ_FILE}")}"
+PROTOCOL_VERSION="${PROTOCOL_VERSION:-$(awk -F'"' \
+  '/#define PROTOCOL_VERSION/{ print $2 }' < "${READ_FILE}")}"
+SOURCE_CODE_URL="${SOURCE_CODE_URL:-$(awk -F'"' \
+  '/#define SOURCE_CODE_URL/{ print $2 }' < "${READ_FILE}")}"
+WEBSITE_URL="${WEBSITE_URL:-$(awk -F'"' \
+  '/#define WEBSITE_URL/{ print $2 }' < "${READ_FILE}")}"
+
+cat > "${WRITE_FILE}" <<EOF
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * THIS FILE IS AUTOMATICALLY GENERATED DO NOT MANUALLY EDIT IT.
+ * IT DOES NOT GET COMMITTED TO THE REPOSITORY.
+ *
+ * Branch: ${BRANCH}
+ * Version: ${VERSION}
+ */
+
+/**
+  * Marlin release version identifier
+  */
+#ifndef SHORT_BUILD_VERSION
+  #define SHORT_BUILD_VERSION "${SHORT_BUILD_VERSION}"
+#endif
+
+/**
+  * Verbose version identifier which should contain a reference to the location
+  * from where the binary was downloaded or the source code was compiled.
+  */
+#ifndef DETAILED_BUILD_VERSION
+  #define DETAILED_BUILD_VERSION "${DETAILED_BUILD_VERSION}"
+#endif
+
+/**
+  * The STRING_DISTRIBUTION_DATE represents when the binary file was built,
+  * here we define this default string as the date where the latest release
+  * version was tagged.
+  */
+#ifndef STRING_DISTRIBUTION_DATE
+  #define STRING_DISTRIBUTION_DATE "${STRING_DISTRIBUTION_DATE}"
+#endif
+
+/**
+  * The protocol for communication to the host. Protocol indicates communication
+  * standards such as the use of ASCII, "echo:" and "error:" line prefixes, etc.
+  * (Other behaviors are given by the firmware version and capabilities report.)
+  */
+#ifndef PROTOCOL_VERSION
+  #define PROTOCOL_VERSION "${PROTOCOL_VERSION}"
+#endif
+
+/**
+  * Defines a generic printer name to be output to the LCD after booting Marlin.
+  */
+#ifndef MACHINE_NAME
+  #define MACHINE_NAME "${MACHINE_NAME}"
+#endif
+
+/**
+  * The SOURCE_CODE_URL is the location where users will find the Marlin Source
+  * Code which is installed on the device. In most cases —unless the manufacturer
+  * has a distinct Github fork— the Source Code URL should just be the main
+  * Marlin repository.
+  */
+#ifndef SOURCE_CODE_URL
+  #define SOURCE_CODE_URL "${SOURCE_CODE_URL}"
+#endif
+
+/**
+  * Default generic printer UUID.
+  */
+#ifndef DEFAULT_MACHINE_UUID
+  #define DEFAULT_MACHINE_UUID "${DEFAULT_MACHINE_UUID}"
+#endif
+
+/**
+  * The WEBSITE_URL is the location where users can get more information such as
+  * documentation about a specific Marlin release.
+  */
+#ifndef WEBSITE_URL
+  #define WEBSITE_URL "${WEBSITE_URL}"
+#endif
+
+EOF