56 lines
2.0 KiB
Bash
Executable File
56 lines
2.0 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (c) 2017 The Bitcoin Core developers
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# Copyright (c) 2020-2022 The Zcash developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or https://www.opensource.org/licenses/mit-license.php .
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# This simple script checks for commits beginning with: scripted-diff:
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# If found, looks for a script between the lines -BEGIN VERIFY SCRIPT- and
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# -END VERIFY SCRIPT-. If no ending is found, it reads until the end of the
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# commit message.
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# The resulting script should exactly transform the previous commit into the current
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# one. Any remaining diff signals an error.
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export LC_ALL=C
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if test -z "$1"; then
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echo "Usage: $0 <commit>..."
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exit 1
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fi
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# Check that the working tree is clean (as this script performs hard resets).
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TREE_CHANGES=$(git diff HEAD | wc -l)
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if test "$TREE_CHANGES" != "0"; then
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echo "The working tree is not clean."
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exit 1
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fi
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RET=0
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PREV_BRANCH=$(git name-rev --name-only HEAD)
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PREV_HEAD=$(git rev-parse HEAD)
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for commit in $(git rev-list --reverse $1); do
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if git rev-list -n 1 --pretty="%s" $commit | grep -q "^scripted-diff:"; then
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git checkout --quiet $commit^ || exit
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SCRIPT="$(git rev-list --format=%b -n1 $commit | sed '/^-BEGIN VERIFY SCRIPT-$/,/^-END VERIFY SCRIPT-$/{//!b};d')"
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if test -z "$SCRIPT"; then
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echo "Error: missing script for: $commit"
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echo "Failed"
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RET=1
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else
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echo "Running script for: $commit"
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echo "$SCRIPT"
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(eval "$SCRIPT")
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git --no-pager diff --exit-code $commit && echo "OK" || (echo "Failed"; false) || RET=1
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fi
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git reset --quiet --hard HEAD
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else
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if git rev-list "--format=%b" -n1 $commit | grep -q '^-\(BEGIN\|END\)[ a-zA-Z]*-$'; then
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echo "Error: script block marker but no scripted-diff in title of commit $commit"
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echo "Failed"
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RET=1
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fi
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fi
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done
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git checkout --quiet $PREV_BRANCH 2>/dev/null || git checkout --quiet $PREV_HEAD
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exit $RET
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