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49 lines
1.5 KiB
49 lines
1.5 KiB
#!/bin/sh |
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# Copyright (c) 2012-2020 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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export LC_ALL=C |
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if [ $# -gt 1 ]; then |
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cd "$2" || exit 1 |
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fi |
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if [ $# -gt 0 ]; then |
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FILE="$1" |
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shift |
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if [ -f "$FILE" ]; then |
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INFO="$(head -n 1 "$FILE")" |
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fi |
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else |
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echo "Usage: $0 <filename> <srcroot>" |
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exit 1 |
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fi |
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GIT_TAG="" |
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GIT_COMMIT="" |
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if [ "${BITCOIN_GENBUILD_NO_GIT}" != "1" ] && [ -e "$(command -v git)" ] && [ "$(git rev-parse --is-inside-work-tree 2>/dev/null)" = "true" ]; then |
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# clean 'dirty' status of touched files that haven't been modified |
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git diff >/dev/null 2>/dev/null |
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# if latest commit is tagged and not dirty, then override using the tag name |
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RAWDESC=$(git describe --abbrev=0 2>/dev/null) |
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if [ "$(git rev-parse HEAD)" = "$(git rev-list -1 $RAWDESC 2>/dev/null)" ]; then |
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git diff-index --quiet HEAD -- && GIT_TAG=$RAWDESC |
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fi |
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# otherwise generate suffix from git, i.e. string like "59887e8-dirty" |
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GIT_COMMIT=$(git rev-parse --short=12 HEAD) |
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git diff-index --quiet HEAD -- || GIT_COMMIT="$GIT_COMMIT-dirty" |
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fi |
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if [ -n "$GIT_TAG" ]; then |
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NEWINFO="#define BUILD_GIT_TAG \"$GIT_TAG\"" |
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elif [ -n "$GIT_COMMIT" ]; then |
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NEWINFO="#define BUILD_GIT_COMMIT \"$GIT_COMMIT\"" |
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else |
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NEWINFO="// No build information available" |
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fi |
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# only update build.h if necessary |
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if [ "$INFO" != "$NEWINFO" ]; then |
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echo "$NEWINFO" >"$FILE" |
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fi
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