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annotate build-aux/git-version-gen @ 9175:c7f825e034ad

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* build-aux/git-version-gen: New file, from coreutils. For details, see http://git.sv.gnu.org/gitweb/?p=coreutils.git;a=commitdiff;h=bfe49f506
author Jim Meyering <jim@meyering.net>
date Sun, 02 Sep 2007 22:42:45 +0000
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children 595a77da32de
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9175
c7f825e034ad * build-aux/git-version-gen: New file, from coreutils. For details, see
Jim Meyering <jim@meyering.net>
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1 #!/bin/sh
c7f825e034ad * build-aux/git-version-gen: New file, from coreutils. For details, see
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2 # Print a version string.
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3 # This script is derived from GIT-VERSION-GEN from GIT: http://git.or.cz/.
c7f825e034ad * build-aux/git-version-gen: New file, from coreutils. For details, see
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4 scriptversion=2007-06-30.12
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5
c7f825e034ad * build-aux/git-version-gen: New file, from coreutils. For details, see
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6 # Copyright (C) 2007 Free Software Foundation
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7 #
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8 # This program is free software; you can redistribute it and/or modify
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9 # it under the terms of the GNU General Public License as published by
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10 # the Free Software Foundation; either version 3, or (at your option)
c7f825e034ad * build-aux/git-version-gen: New file, from coreutils. For details, see
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11 # any later version.
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12 #
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13 # This program is distributed in the hope that it will be useful,
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14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
c7f825e034ad * build-aux/git-version-gen: New file, from coreutils. For details, see
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16 # GNU General Public License for more details.
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17 #
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18 # You should have received a copy of the GNU General Public License
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19 # along with this program; if not, write to the Free Software
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20 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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21 # 02110-1301, USA.
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22
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23 case $# in
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24 2) ;;
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25 *) echo 1>&2 "Usage: $0 \$VERSION \$srcdir/.version"; exit 1;;
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26 esac
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27
c7f825e034ad * build-aux/git-version-gen: New file, from coreutils. For details, see
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28 default_version=$1
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29 tarball_version_file=$2
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30 nl='
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31 '
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32
c7f825e034ad * build-aux/git-version-gen: New file, from coreutils. For details, see
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33 # First see if there is a tarball-only version file.
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34 # then try git-describe, then default.
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35 if test -f $tarball_version_file
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36 then
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37 v=`cat $tarball_version_file` || exit 1
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38 case $v in
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39 *$nl*) v= ;; # reject multi-line output
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40 [0-9]*) ;;
c7f825e034ad * build-aux/git-version-gen: New file, from coreutils. For details, see
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41 *) v= ;;
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42 esac
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43 test -z "$v" \
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44 && echo "$0: WARNING: $tarball_version_file seems to be damaged" 1>&2
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45 fi
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46
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47 if test -n "$v"
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48 then
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49 : # use $v
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50 elif test -d .git \
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51 && v=`git describe --abbrev=4 HEAD 2>/dev/null` \
c7f825e034ad * build-aux/git-version-gen: New file, from coreutils. For details, see
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52 && case $v in
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53 v[0-9]*) ;;
c7f825e034ad * build-aux/git-version-gen: New file, from coreutils. For details, see
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54 *) (exit 1) ;;
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55 esac
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56 then
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57 # Remove the "g" in git-describe's output string; change each - to a '.'
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58 v=`echo "$v" | sed 's/\(.*\)-g/\1-/;s/-/./g'`;
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59 else
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60 v=$default_version
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61 fi
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62
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63 v=`echo "$v" |sed 's/^v//'`
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64
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65 dirty=`sh -c 'git diff-index --name-only HEAD' 2>/dev/null` || dirty=
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66 case "$dirty" in
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67 '') ;;
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68 *) # Append the suffix only if there isn't one already.
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69 case $v in
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70 *-dirty) ;;
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71 *) v="$v-dirty" ;;
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72 esac ;;
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73 esac
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74
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75 # Omit the trailing newline, so that m4_esyscmd can use the result directly.
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76 echo "$v" | tr -d '\012'
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77
c7f825e034ad * build-aux/git-version-gen: New file, from coreutils. For details, see
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78 # Local variables:
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79 # eval: (add-hook 'write-file-hooks 'time-stamp)
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80 # time-stamp-start: "scriptversion="
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81 # time-stamp-format: "%:y-%02m-%02d.%02H"
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82 # time-stamp-end: "$"
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83 # End: