Root/fs/btrfs/version.sh

1#!/bin/bash
2#
3# determine-version -- report a useful version for releases
4#
5# Copyright 2008, Aron Griffis <agriffis@n01se.net>
6# Copyright 2008, Oracle
7# Released under the GNU GPLv2
8 
9v="v0.16"
10
11which git &> /dev/null
12if [ $? == 0 ]; then
13    git branch >& /dev/null
14    if [ $? == 0 ]; then
15        if head=`git rev-parse --verify HEAD 2>/dev/null`; then
16        if tag=`git describe --tags 2>/dev/null`; then
17            v="$tag"
18        fi
19
20        # Are there uncommitted changes?
21        git update-index --refresh --unmerged > /dev/null
22        if git diff-index --name-only HEAD | \
23            grep -v "^scripts/package" \
24            | read dummy; then
25            v="$v"-dirty
26        fi
27        fi
28    fi
29fi
30 
31echo "#ifndef __BUILD_VERSION" > .build-version.h
32echo "#define __BUILD_VERSION" >> .build-version.h
33echo "#define BTRFS_BUILD_VERSION \"Btrfs $v\"" >> .build-version.h
34echo "#endif" >> .build-version.h
35
36diff -q version.h .build-version.h >& /dev/null
37
38if [ $? == 0 ]; then
39    rm .build-version.h
40    exit 0
41fi
42
43mv .build-version.h version.h
44

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