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31924dbd30
43f909990190b3ff7883f0b2c117daa876d8fd99 scripted-diff: Run scripted-diff in subshell (Carl Dong) Pull request description: scripted-diffs should be run in subshells so that their execution does not affect the shell variables of commit-script-check. Shell variables are not unset before evaluating the scripted-diff, so that they might be used in the subshell. To this end, the variable previously named i is now more descriptively named commit, this also allows scripted-diffs to use the commonly used variable i without fear of losing a reference to the commit. Tree-SHA512: 0d86c069c2a978ca07d71bcd2b1b273e9bfabfe7e31a50c7b1b860e04f178b81c65814c3a38fb01e50b41a5065b646f0dab5b05d9be71138e72d4baba607e37b
48 lines
1.7 KiB
Bash
Executable File
48 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (c) 2017 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://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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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"
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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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