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115 lines
3.3 KiB
Bash
115 lines
3.3 KiB
Bash
#!/bin/sh
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# $Id$
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# This file is part of OpenTTD.
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# OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
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# OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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# Arguments given? Show help text.
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if [ "$#" != "0" ]; then
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cat <<EOF
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Usage: ./findversion.sh
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Finds the current revision and if the code is modified.
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Output: <VERSION>\t<ISODATE>\t<MODIFIED>\t<HASH>
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VERSION
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a string describing what version of the code the current checkout is
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based on.
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This also includes the commit date, an indication of whether the checkout
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was modified and which branch was checked out. This value is not
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guaranteed to be sortable, but is mainly meant for identifying the
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revision and user display.
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If no revision identifier could be found, this is left empty.
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ISODATE
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the commit date of the revision this checkout is based on.
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The commit date may differ from the author date.
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This can be used to decide upon the age of the source.
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If no timestamp could be found, this is left empty.
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MODIFIED
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Whether (the src directory of) this checkout is modified or not. A
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value of 0 means not modified, a value of 2 means it was modified.
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A value of 1 means that the modified status is unknown, because this
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is not an git checkout for example.
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HASH
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the git revision hash
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By setting the AWK environment variable, a caller can determine which
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version of "awk" is used. If nothing is set, this script defaults to
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"awk".
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EOF
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exit 1;
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fi
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# Allow awk to be provided by the caller.
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if [ -z "$AWK" ]; then
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AWK=awk
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fi
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# Find out some dirs
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cd `dirname "$0"`
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ROOT_DIR=`pwd`
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# Determine if we are using a modified version
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# Assume the dir is not modified
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MODIFIED="0"
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if [ -d "$ROOT_DIR/.git" ]; then
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# We are a git checkout
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# Refresh the index to make sure file stat info is in sync, then look for modifications
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git update-index --refresh >/dev/null
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if [ -n "`git diff-index HEAD`" ]; then
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MODIFIED="2"
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fi
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HASH=`LC_ALL=C git rev-parse --verify HEAD 2>/dev/null`
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SHORTHASH=`echo ${HASH} | cut -c1-10`
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ISODATE=`LC_ALL=C git show -s --pretty='format:%ci' HEAD | "$AWK" '{ gsub("-", "", $1); print $1 }'`
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BRANCH="`git symbolic-ref -q HEAD 2>/dev/null | sed 's@.*/@@'`"
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TAG="`git describe --tags 2>/dev/null`"
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if [ "$MODIFIED" -eq "0" ]; then
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hashprefix="-g"
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elif [ "$MODIFIED" -eq "2" ]; then
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hashprefix="-m"
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else
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hashprefix="-u"
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fi
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if [ -n "$TAG" ]; then
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VERSION="${TAG}"
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ISTAG="1"
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if [ -n "`echo \"${TAG}\" | grep \"^[0-9.]*$\"`" ]; then
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ISSTABLETAG="1"
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else
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ISSTABLETAG="0"
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fi
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else
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VERSION="${ISODATE}-${BRANCH}${hashprefix}${SHORTHASH}"
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ISTAG="0"
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ISSTABLETAG="0"
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fi
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elif [ -f "$ROOT_DIR/.ottdrev" ]; then
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# We are an exported source bundle
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cat $ROOT_DIR/.ottdrev
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exit
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else
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# We don't know
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MODIFIED="1"
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HASH=""
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SHORTHASH=""
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BRANCH=""
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ISODATE=""
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TAG=""
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VERSION=""
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ISTAG="0"
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ISSTABLETAG="0"
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fi
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echo "$VERSION $ISODATE $MODIFIED $HASH $ISTAG $ISSTABLETAG"
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