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|
#!/bin/sh
# Parse git version into its separate components.
#
# Copyright (C) 2017 Robert Krawitz
#
# 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 2, 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
usage() {
echo "Usage: $cmd [info] [default] [version]"
echo " info can be empty, or one of major, minor, micro, extra, git"
echo " info can also be extra-git, core-version (major.minor),"
echo " base-version (major.minor.micro),"
echo " full-version (major.minor.micro[-extra]), or all"
echo " default is the default value if not in a git repository."
echo " version is the input version in lieu of git describe (for testing)"
exit 1
}
cmd="$0"
if [ "$#" -gt 3 ] ; then
usage
fi
root="/home/rlk/sandbox/gutenprint-5.2"
if [ -z "$3" ] ; then
if [ -d "$root/.git" ] ; then
git describe --dirty --always --first-parent 2>/dev/null | sed 's/^[^0-9]*-//' > "$root/git-version-stamp"
fi
if [ -f "$root/git-version-stamp" ] ; then
description=`cat "$root/git-version-stamp"`
else
description='(unknown)'
fi
else
description=$3
fi
# If we don't have git or this is not a repository, simply return the default value
if [ -z "$description" ] ; then
echo "$2"
exit 0
fi
get_major() {
echo "$1" | sed -e 's/[-_\.].*//'
}
get_minor() {
echo "$1" | sed -e 's/^[0-9]*[-_\.]//' \
-e 's/[-_\.].*//'
}
get_micro() {
echo "$1" | sed -e 's/^[0-9]*[-_\.][0-9]*[-_\.]//' \
-e 's/[-_\.].*//'
}
get_extra() {
echo "$1" | sed -e 's/^[0-9]*[-_\.][0-9]*[-_\.][0-9]*\([a-zA-Z]\|\)//' \
-e 's/-\([0-9]*-\|\)g[0-9a-zA-Z]*\(-dirty\|\)$//' \
-e 's/^_/-/'
}
get_git() {
echo "$1" | sed -e 's/^[0-9]*[-_\.][0-9]*[-_\.][0-9]*\([a-zA-Z]\|\)//' \
-e 's/^[-_\.][a-zA-Z][a-zA-Z]*[0-9]*\([a-zA-Z]\|\)//' \
-e 's/^[-_\.]/-/'
}
get_extra_git() {
echo "$1" | sed -e 's/^[0-9]*[-_\.][0-9]*[-_\.][0-9]*\([a-zA-Z]\|\)//' \
-e 's/^[-_\.]/-/'
}
get_core_version() {
echo "$1" | sed -e 's/^\([0-9]*[-_\.][0-9]*\).*/\1/' \
-e 's/[-_\.]/./g'
}
get_base_version() {
echo "$1" | sed -e 's/^\([0-9]*[-_\.][0-9]*[-_\.][0-9]*\([a-zA-Z]\|\)\).*/\1/' \
-e 's/[-_\.]/./g'
}
get_full_version() {
echo "$1" | sed -e 's/-[0-9]*-g[0-9a-z]*\(-dirty\|\)$//' \
-e 's/[-_\.]/=/g' \
-e 's/=/./' \
-e 's/=/./' \
-e 's/=/-/'
}
get_all() {
echo "$1" | sed -e 's/[-_\.]/=/g' \
-e 's/=/./' \
-e 's/=/./' \
-e 's/=/-/g'
}
case "$1" in
major) get_major "$description" ;;
minor) get_minor "$description" ;;
micro) get_micro "$description" ;;
extra) get_extra "$description" ;;
git) get_git "$description" ;;
extra-git) get_extra_git "$description" ;;
core-version) get_core_version "$description" ;;
base-version) get_base_version "$description" ;;
full-version) get_full_version "$description" ;;
''|all) get_all "$description" ;;
*) usage ;;
esac
exit 0
|
