chiark - git - mdw - cfd/blob

1 #! /bin/sh

2 ### -*-sh-*-

3 ###

4 ### Guess at the project's version number

5 ###

7 ###

9 ###----- Licensing notice ---------------------------------------------------

10 ###

11 ### This file is part of the Common Files Distribution (`common').

12 ###

13 ### `Common' is free software; you can redistribute it and/or modify

14 ### it under the terms of the GNU General Public License as published by

15 ### the Free Software Foundation; either version 2 of the License, or

16 ### (at your option) any later version.

17 ###

18 ### `Common' is distributed in the hope that it will be useful,

19 ### but WITHOUT ANY WARRANTY; without even the implied warranty of

20 ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

21 ### GNU General Public License for more details.

22 ###

23 ### You should have received a copy of the GNU General Public License

24 ### along with `common'; if not, write to the Free Software Foundation,

25 ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

27 set -e

28 VERSION="@VERSION@"

30 ###--------------------------------------------------------------------------

31 ### Parse command line arguments.

33 while [ $# -gt 0 ]; do

34 case $1 in

35 -h | --h | --he | --hel | --help)

36 cat <<EOF

37 Usage: auto-verison

39 Writes on standard output the program's version number.

40 EOF

41 exit 0

42 ;;

43 -v | --v | --ve | --ver | --vers | --versi | --versio | --version)

44 echo "auto-version: Common Files Distribution version $VERSION"

45 exit 0

46 ;;

47 --)

48 shift

49 break

50 ;;

51 -)

52 break

53 ;;

54 -*)

55 echo "auto-version: unknown option \`$1'" >&2

56 exit 1

57 ;;

58 *)

59 break

60 ;;

61 esac

62 shift

63 done

65 if [ $# -ne 0 ]; then

66 echo >&2 "Usage: auto-version"

67 exit 1

68 fi

70 ###--------------------------------------------------------------------------

71 ### Main program.

73 ## Get the Debian version, if there is one.

74 if [ -f debian/changelog ]; then

75 debver=$(sed -n '/^.*($.*$).*$/ { s::\1:p; q; }' debian/changelog)

76 else

77 unset debver

78 fi

80 ## If this is a Git checkout then Git should be able to identify the version.

81 ## If there's also a Debian version, and that ends in a `~', then prefix the

82 ## Git version with this. Note that `pkg-config' is not very good, and, in

83 ## particular, doesn't support the convention that `~' sorts before anything

84 ## else, even the empty string, despite claiming to implement the RPM

85 ## version-comparison algorithm which specifies this behaviour, so one must

86 ## be careful when choosing `~' prefixes.

87 if [ -e .git ] && version=$(git describe --abbrev=4 --dirty=+ 2>/dev/null); then

88 case ${debver-nil} in *~) version=$debver$version ;; esac

89 echo "$version"

90 exit 0

91 fi

93 ## If this was unpacked from a source distribution, the RELEASE file sould

94 ## say what the version was.

95 if [ -f RELEASE ]; then

96 cat RELEASE

97 exit 0

98 fi

100 ## If we're Debianized, then the Debian changelog ought to know.

101 case ${debver+t} in

102 t) echo "$debver"; exit 0 ;;

103 esac

104

105 ## Otherwise we're screwed.

106 echo UNKNOWN

107 exit 0

108

109 ###----- That's all, folks --------------------------------------------------