From 57e5be632d4e40314cd8d1a67973ee1e58d3dfb8 Mon Sep 17 00:00:00 2001
From: Alexey Neyman <stilor@att.net>
Date: Sun, 20 Jan 2019 16:42:12 -0800
Subject: Basic framework for checking config file version

Signed-off-by: Alexey Neyman <stilor@att.net>
---
 scripts/version-check.sh | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 scripts/version-check.sh

(limited to 'scripts')

diff --git a/scripts/version-check.sh b/scripts/version-check.sh
new file mode 100644
index 00000000..c4a2bd07
--- /dev/null
+++ b/scripts/version-check.sh
@@ -0,0 +1,38 @@
+# This script checks the version of the configuration file and either
+# alerts the user about the need to run the upgrade, or attempts to
+# perform such an upgrade.
+
+CFGFILE="${1}"
+
+. "${CT_LIB_DIR}/scripts/functions"
+. "${CFGFILE}"
+if [ "${CT_CONFIG_VERSION_CURRENT}" == "${CT_CONFIG_VERSION}" ]; then
+    # Nothing to do
+    exit 0
+fi
+
+if [ -z "${CT_UPGRADECONFIG}" ]; then
+    if [ "${CT_CONFIG_VERSION}" != "0" ]; then
+        oldversion="is version ${CT_CONFIG_VERSION}"
+    else
+        oldversion="has no version"
+    fi
+    cat 2>&1 <<EOF
+
+Configuration file was generated by an older version of crosstool-NG;
+configuration file ${oldversion}; crosstool-NG currently expects
+version ${CT_CONFIG_VERSION_CURRENT}. If this configuration file was generated by a crosstool-NG
+version 1.23.0 or later, you can run 'ct-ng upgradeconfig'.
+Compatibility with previous releases is not guaranteed. In any case,
+verify the resulting configuration.
+
+EOF
+    if [ "${CT_VCHECK}" = "strict" ]; then
+        exit 1
+    else
+        exit 0
+    fi
+fi
+
+echo "TBD not implemented yet" >&2
+exit 1
-- 
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