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d9b245f4 MW |
1 | #! /bin/sh |
2 | ### -*-sh-*- | |
3 | ### | |
4 | ### Make autoconf-like substitutions in files | |
5 | ### | |
6 | ### (c) 2008 Mark Wooding | |
7 | ### | |
8 | ||
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. | |
26 | ||
27 | set -e | |
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28 | |
29 | ###-------------------------------------------------------------------------- | |
30 | ### Parse command line arguments. | |
31 | ||
32 | while [ $# -gt 0 ]; do | |
33 | case $1 in | |
34 | -h | --h | --he | --hel | --help) | |
35 | cat <<EOF | |
36 | Usage: auto-verison | |
37 | ||
38 | Writes on standard output the program's version number. | |
39 | EOF | |
40 | exit 0 | |
41 | ;; | |
d9b245f4 MW |
42 | --) |
43 | shift | |
44 | break | |
45 | ;; | |
46 | -) | |
47 | break | |
48 | ;; | |
49 | -*) | |
50 | echo "auto-version: unknown option \`$1'" >&2 | |
51 | exit 1 | |
52 | ;; | |
53 | *) | |
54 | break | |
55 | ;; | |
56 | esac | |
57 | shift | |
58 | done | |
59 | ||
60 | if [ $# -ne 0 ]; then | |
61 | echo >&2 "Usage: auto-version" | |
62 | exit 1 | |
63 | fi | |
64 | ||
65 | ###-------------------------------------------------------------------------- | |
66 | ### Main program. | |
67 | ||
68 | ## If this is a Git checkout then Git should be able to identify the version. | |
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69 | ## If there's also a Debian version, and that ends in a `~', then prefix the |
70 | ## Git version with this. Note that `pkg-config' is not very good, and, in | |
71 | ## particular, doesn't support the convention that `~' sorts before anything | |
72 | ## else, even the empty string, despite claiming to implement the RPM | |
73 | ## version-comparison algorithm which specifies this behaviour, so one must | |
74 | ## be careful when choosing `~' prefixes. | |
75 | if [ -e .git ] && version=$(git describe --abbrev=4 --dirty=+ 2>/dev/null); then | |
76 | debver=$(sed -n '/^.*(\(.*\)).*$/ { s::\1:p; q; }' debian/changelog) | |
77 | case $debver in *~) version=$debver$version ;; esac | |
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78 | echo "$version" |
79 | exit 0 | |
80 | fi | |
81 | ||
262d0dc4 | 82 | ## If this was unpacked from a source distribution, the RELEASE file should |
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83 | ## say what the version was. |
84 | if [ -f RELEASE ]; then | |
85 | cat RELEASE | |
86 | exit 0 | |
87 | fi | |
88 | ||
89 | ## If we're Debianized, then the Debian changelog ought to know. | |
90 | if [ -f debian/changelog ]; then | |
91 | sed -n '/^.*(\(.*\)).*$/ { s::\1:p; q; }' debian/changelog | |
92 | exit 0 | |
93 | fi | |
94 | ||
95 | ## Otherwise we're screwed. | |
96 | echo UNKNOWN | |
97 | exit 0 | |
98 | ||
99 | ###----- That's all, folks -------------------------------------------------- |