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|
#!/bin/bash
#
# This file is part of the flashrom project.
#
# Copyright (C) 2005 coresystems GmbH <stepan@coresystems.de>
# Copyright (C) 2009,2010 Carl-Daniel Hailfinger
# Copyright (C) 2010 Chromium OS Authors
#
# 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 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, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
EXIT_SUCCESS=0
EXIT_FAILURE=1
# Make sure we don't get translated output
export LC_ALL=C
svn_revision() {
svnversion -cn . 2>/dev/null | \
sed -e "s/.*://" -e "s/\([0-9]*\).*/\1/" | \
grep "[0-9]" ||
svn info . 2>/dev/null | \
awk '/^Revision:/ {print $$2 }' | \
grep "[0-9]" ||
git svn info . 2>/dev/null | \
awk '/^Revision:/ {print $$2 }' | \
grep "[0-9]" ||
echo ''
}
svn_url() {
echo $(svn info 2>/dev/null |
grep URL: |
sed 's/.*URL:[[:blank:]]*//' |
grep ^.
)
}
svn_timestamp() {
local date_format="+%Y-%m-%d %H:%M:%S"
local timestamp
# are there local changes in the client?
if svn status | egrep '^ *[ADMR] *' > /dev/null ; then
timestamp=$(date "${date_format} +")
else
# No local changes, get date of the last log record.
local last_commit_date=$(svn info | grep '^Last Changed Date:' | awk '{print $4" "$5" "$6}')
timestamp=$(date --utc --date "${last_commit_date}" \
"${date_format} UTC")
fi
echo "${timestamp}"
}
git_revision() {
echo $(git log --oneline | head -1 | awk '{print $1}')
}
# Retrieve svn revision using git log data (for git mirrors)
gitsvn_revision() {
local r
git log|
grep git-svn-id|
sed 's/.*git-svn-id:[[:blank:]]*\([^@]\+\)@[0-9]\+[[:blank:]]\+\([^[:blank:]]\+\)/\1 \2/'|
sort|
uniq|
read url uuid
r=$(git log --grep="git-svn-id.*$uuid"| grep git-svn-id | \
sed 's/.*@//;s/[[:blank:]].*//'| \
sort -n | \
tail -1)
echo "${r}"
}
git_timestamp() {
local date_format="+%b %d %Y %H:%M:%S"
local timestamp
# are there local changes in the client?
if git status | \
egrep '^# Change(s to be committed|d but not updated):$' > /dev/null
then
timestamp=$(date "${date_format} +")
else
# No local changes, get date of the last log record.
local last_commit_date=$(git log | head -3 | grep '^Date:' | \
awk '{print $3" "$4" "$6" "$5" "$7}')
timestamp=$(date --utc --date "${last_commit_date}" \
"${date_format} UTC")
fi
echo "${timestamp}"
}
git_url() {
# Only the first line of `git remote' is considered.
echo $(git remote show origin 2>/dev/null |
grep 'Fetch URL:' |
sed 's/.*URL:[[:blank:]]*//' |
grep ^.
)
}
scm_url() {
local url
if [ -d ".svn" ] ; then
url=$(svn_url)
elif [ -d ".git" ] ; then
url=$(git_url)
fi
echo "${url}"
}
# Retrieve timestamp since last modification. If the sources are pristine,
# then the timestamp will match that of the SCM's more recent modification
# date.
timestamp() {
local t
if [ -d ".svn" ] ; then
t=$(svn_timestamp)
elif [ -d ".git" ] ; then
t=$(git_timestamp)
fi
echo ${t}
}
# Retrieve local SCM revision info. This is useful if we're working in
# a even different SCM than upstream.
#
# If local copy is svn, then there is nothing to do here.
# If local copy is git, then retrieve useful git revision info
local_revision() {
local r
if [ -d ".git" ] ; then
r=$(git_revision)
fi
echo ${r}
}
# Get the upstream flashrom revision stored in SVN metadata.
#
# If the local copy is svn, then use svnversion
# If the local copy is git, then scrape upstream revision from git logs
upstream_revision() {
local r
if [ -d ".svn" ] ; then
r=$(svn_revision)
elif [ -d ".git" ] ; then
r=$(gitsvn_revision)
fi
echo "${r}"
}
show_help() {
echo "Usage:
${0} <option>
Options
-h or --help
Display this message.
-u or --upstream
upstream flashrom revision
-l or --local
local revision (if different from upstream)
-t or --timestamp
timestamp of most recent modification
-U or --url
url associated with local copy of flashrom
"
return
}
if [ ! -n "${1}" ]
then
show_help;
echo "No options specified";
exit ${EXIT_SUCCESS}
fi
# The is the main loop
while [[ ${1} = -* ]];
do
case ${1} in
-h|--help)
show_help;
shift;;
-u|--upstream)
echo "$(upstream_revision)";
shift;;
-l|--local)
echo "$(local_revision)";
shift;;
-t|--timestamp)
echo "$(timestamp)";
shift;;
-U|--url)
echo "$(scm_url)";
shift;;
*)
show_help;
echo "invalid option: ${1}"
exit ${EXIT_FAILURE}
esac;
done
exit ${EXIT_SUCCESS}
|
