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git-version-gen
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Created
Sun, Nov 10, 18:51
Size
5 KB
Mime Type
text/x-shellscript
Expires
Tue, Nov 12, 18:51 (2 d)
Engine
blob
Format
Raw Data
Handle
16811261
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R3600 invenio-infoscience
git-version-gen
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#!/bin/sh
# Print a version string.
scriptversion
=
2010-12-21.16;
# UTC
## Note by Tibor Simko: This is `git-version-gen' script taken from
## gnulib 20100704+stable-1, with added support for vX.Y.Z-rcN style
## of tags in Invenio. Look for lines with the string Tibor.
# Copyright (C) 2007-2010 Free Software Foundation, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This script is derived from GIT-VERSION-GEN from GIT: http://git.or.cz/.
# It may be run two ways:
# - from a git repository in which the "git describe" command below
# produces useful output (thus requiring at least one signed tag)
# - from a non-git-repo directory containing a .tarball-version file, which
# presumes this script is invoked like "./git-version-gen .tarball-version".
# In order to use intra-version strings in your project, you will need two
# separate generated version string files:
#
# .tarball-version - present only in a distribution tarball, and not in
# a checked-out repository. Created with contents that were learned at
# the last time autoconf was run, and used by git-version-gen. Must not
# be present in either $(srcdir) or $(builddir) for git-version-gen to
# give accurate answers during normal development with a checked out tree,
# but must be present in a tarball when there is no version control system.
# Therefore, it cannot be used in any dependencies. GNUmakefile has
# hooks to force a reconfigure at distribution time to get the value
# correct, without penalizing normal development with extra reconfigures.
#
# .version - present in a checked-out repository and in a distribution
# tarball. Usable in dependencies, particularly for files that don't
# want to depend on config.h but do want to track version changes.
# Delete this file prior to any autoconf run where you want to rebuild
# files to pick up a version string change; and leave it stale to
# minimize rebuild time after unrelated changes to configure sources.
#
# It is probably wise to add these two files to .gitignore, so that you
# don't accidentally commit either generated file.
#
# Use the following line in your configure.ac, so that $(VERSION) will
# automatically be up-to-date each time configure is run (and note that
# since configure.ac no longer includes a version string, Makefile rules
# should not depend on configure.ac for version updates).
#
# AC_INIT([GNU project],
# m4_esyscmd([build-aux/git-version-gen .tarball-version]),
# [bug-project@example])
#
# Then use the following lines in your Makefile.am, so that .version
# will be present for dependencies, and so that .tarball-version will
# exist in distribution tarballs.
#
# BUILT_SOURCES = $(top_srcdir)/.version
# $(top_srcdir)/.version:
# echo $(VERSION) > $@-t && mv $@-t $@
# dist-hook:
# echo $(VERSION) > $(distdir)/.tarball-version
case
$#
in
1|2
)
;;
*
)
echo
1>&2
"Usage: $0 \$srcdir/.tarball-version"
\
'[TAG-NORMALIZATION-SED-SCRIPT]'
exit
1;;
esac
tarball_version_file
=
$1
tag_sed_script
=
"${2:-s/x/x/}"
nl
=
'
'
# Avoid meddling by environment variable of the same name.
v
=
# First see if there is a tarball-only version file.
# then try "git describe", then default.
if
test
-f
$tarball_version_file
then
v
=
`
cat
$tarball_version_file
`
||
exit
1
case
$v
in
*
$nl
*
)
v
=
;;
# reject multi-line output
[
0-9
]
*
)
;;
*
)
v
=
;;
esac
test
-z
"$v"
\
&&
echo
"$0: WARNING: $tarball_version_file seems to be damaged"
1>&2
fi
if
test
-n
"$v"
then
:
# use $v
elif
test
-d .git
\
&&
v
=
`
git describe --abbrev
=
4 --match
=
'v*'
HEAD 2>/dev/null
\
||
git describe --abbrev
=
4 HEAD 2>/dev/null
`
\
&&
v
=
`
printf
'%s\n'
"$v"
| sed
"$tag_sed_script"
`
\
&&
case
$v
in
v
[
0-9
]
*
)
;;
*
)
(
exit
1
)
;;
esac
then
# Tibor: add __MINUS__ hack to support vX.Y.Z-rcN style of tags:
v
=
`
echo
"$v"
| sed
's/-rc/__MINUS__rc/'
`
# Is this a new git that lists number of commits since the last
# tag or the previous older version that did not?
# Newer: v6.10-77-g0f8faeb
# Older: v6.10-g0f8faeb
case
$v
in
*-*-*
)
: git describe is okay three part flavor ;;
*-*
)
: git describe is older two part flavor
# Recreate the number of commits and rewrite such that the
# result is the same as if we were using the newer version
# of git describe.
vtag
=
`
echo
"$v"
| sed
's/-.*//'
`
numcommits
=
`
git rev-list
"$vtag"
..HEAD | wc -l
`
v
=
`
echo
"$v"
| sed
"s/\(.*\)-\(.*\)/\1-$numcommits-\2/"
`
;
;;
esac
# Change the first '-' to a '.', so version-comparing tools work properly.
# Remove the "g" in git describe's output string, to save a byte.
v
=
`
echo
"$v"
| sed
's/-/./;s/\(.*\)-g/\1-/'
`
;
# Tibor: revert back from __MINUS__ hack:
v
=
`
echo
"$v"
| sed
's/__MINUS__rc/-rc/'
`
else
v
=
UNKNOWN
fi
v
=
`
echo
"$v"
|sed
's/^v//'
`
# Don't declare a version "dirty" merely because a time stamp has changed.
git update-index --refresh > /dev/null 2>&1
dirty
=
`
sh -c
'git diff-index --name-only HEAD'
2>/dev/null
`
||
dirty
=
case
"$dirty"
in
''
)
;;
*
)
# Append the suffix only if there isn't one already.
case
$v
in
*-dirty
)
;;
*
)
v
=
"$v-dirty"
;;
esac
;;
esac
# Omit the trailing newline, so that m4_esyscmd can use the result directly.
echo
"$v"
| tr -d
"$nl"
# Local variables:
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC"
# time-stamp-end: "; # UTC"
# End:
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