mirror of
https://github.com/autc04/Retro68.git
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82 lines
2.4 KiB
Plaintext
82 lines
2.4 KiB
Plaintext
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#!/bin/sh
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# Copyright (C) 2020 Free Software Foundation, Inc.
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#
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# This file is part of GCC.
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#
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# GCC is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# GCC is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GCC; see the file COPYING. If not, write to
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# the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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# Boston, MA 02110-1301, USA.
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COMMIT_MSG_FILE=$1
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COMMIT_SOURCE=$2
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SHA1=$3
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# We might be on a branch before the file was added.
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if ! [ -x contrib/mklog.py ]; then exit 0; fi
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# Can't do anything if $COMMIT_MSG_FILE isn't a file.
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if ! [ -f "$COMMIT_MSG_FILE" ]; then exit 0; fi
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# Don't do anything unless requested to.
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if [ -z "$GCC_FORCE_MKLOG" ]; then exit 0; fi
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if [ -z "$COMMIT_SOURCE" ] || [ $COMMIT_SOURCE = template ]; then
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# No source or "template" means new commit.
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cmd="diff --cached"
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elif [ $COMMIT_SOURCE = message ]; then
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# "message" means -m; assume a new commit if there are any changes staged.
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if ! git diff --cached --quiet; then
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cmd="diff --cached"
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else
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cmd="diff --cached HEAD^"
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fi
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elif [ $COMMIT_SOURCE = commit ]; then
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# The message of an existing commit. If it's HEAD, assume --amend;
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# otherwise, assume a new commit with -C.
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if [ $SHA1 = HEAD ]; then
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cmd="diff --cached HEAD^"
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if [ "$(git config gcc-config.mklog-hook-type)" = "smart-amend" ]; then
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# Check if the existing message still describes the staged changes.
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f=$(mktemp /tmp/git-commit.XXXXXX) || exit 1
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git log -1 --pretty=email HEAD > $f
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printf '\n---\n\n' >> $f
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git $cmd >> $f
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if contrib/gcc-changelog/git_email.py "$f" >/dev/null 2>&1; then
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# Existing commit message is still OK for amended commit.
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rm $f
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exit 0
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fi
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rm $f
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fi
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else
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cmd="diff --cached"
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fi
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else
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# Do nothing for merge or squash.
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exit 0
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fi
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# Save diff to a file if requested.
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DIFF_FILE=$(git config gcc-config.diff-file)
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if ! [ -z "$DIFF_FILE" ]; then
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tee="tee $DIFF_FILE"
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else
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tee="cat"
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fi
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git $cmd | $tee | git gcc-mklog $GCC_MKLOG_ARGS -c "$COMMIT_MSG_FILE"
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