xref: /haiku/build/scripts/determine_haiku_revision (revision f8da8f3477d3c18142e59d17d05a545982faa5a8)
1#!/bin/sh
2
3haikuTop=$1
4revisionFile=$2
5haikuBuildOutputDir=`dirname $revisionFile`
6lastBuiltRevisionFile=${haikuBuildOutputDir}/last-built-revision
7
8case `uname` in
9Darwin)
10	SED=gsed
11	;;
12*)
13	SED=sed
14	;;
15esac
16export SED
17
18revision=`cat ${revisionFile} 2>/dev/null`
19lastBuiltRevision=`cat $lastBuiltRevisionFile 2>/dev/null`
20
21originalDir=`pwd`
22cd ${haikuTop}
23export LC_ALL=C
24
25localRev=`git rev-parse HEAD`
26
27# only determine the haiku-revision if anything has changed from
28# last build
29if [ -z "$revision" -o "$lastBuiltRevision" != "$localRev" ]; then
30	# the revision we use is the description of HEAD with respect to the
31	# last reachable hrev-(haiku-revision-)tag
32	revision=`git describe --dirty --tags --match=hrev*`
33	if [ -z "$revision" ]; then
34		# failed to find any hrev tags, use short hash instead
35		revision=`git rev-parse --short HEAD`
36	elif echo "$revision" | grep -- '-' >/dev/null; then
37		# HEAD is not directly a changeset from Haiku's central repo, so we
38		# add the current branch name as additional info
39		branchName=`git branch | grep '*' | cut -b 3-`
40		revision="$revision [$branchName]"
41	fi
42fi
43
44cd $originalDir
45
46if [ -z "$revision" ]; then
47	revision=0
48fi
49
50echo $localRev >${lastBuiltRevisionFile}
51echo $revision >${revisionFile}
52