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-rwxr-xr-xcontrib/devtools/commit-script-check.sh39
1 files changed, 39 insertions, 0 deletions
diff --git a/contrib/devtools/commit-script-check.sh b/contrib/devtools/commit-script-check.sh
new file mode 100755
index 0000000000..add4bb4883
--- /dev/null
+++ b/contrib/devtools/commit-script-check.sh
@@ -0,0 +1,39 @@
+#!/bin/sh
+# Copyright (c) 2017 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+# This simple script checks for commits beginning with: scripted-diff:
+# If found, looks for a script between the lines -BEGIN VERIFY SCRIPT- and
+# -END VERIFY SCRIPT-. If no ending is found, it reads until the end of the
+# commit message.
+
+# The resulting script should exactly transform the previous commit into the current
+# one. Any remaining diff signals an error.
+
+if test "x$1" = "x"; then
+ echo "Usage: $0 <commit>..."
+ exit 1
+fi
+
+RET=0
+PREV_BRANCH=`git name-rev --name-only HEAD`
+PREV_HEAD=`git rev-parse HEAD`
+for i in `git rev-list --reverse $1`; do
+ git rev-list -n 1 --pretty="%s" $i | grep -q "^scripted-diff:" || continue
+ git checkout --quiet $i^ || exit
+ SCRIPT="`git rev-list --format=%b -n1 $i | sed '/^-BEGIN VERIFY SCRIPT-$/,/^-END VERIFY SCRIPT-$/{//!b};d'`"
+ if test "x$SCRIPT" = "x"; then
+ echo "Error: missing script for: $i"
+ echo "Failed"
+ RET=1
+ else
+ echo "Running script for: $i"
+ echo "$SCRIPT"
+ eval "$SCRIPT"
+ git --no-pager diff --exit-code $i && echo "OK" || (echo "Failed"; false) || RET=1
+ fi
+ git reset --quiet --hard HEAD
+done
+git checkout --quiet $PREV_BRANCH 2>/dev/null || git checkout --quiet $PREV_HEAD
+exit $RET