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#!/bin/bash
#
# Copyright (C) 2013, 2014, 2015, 2016 Linaro, 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, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# Given a git url or a tarball name, this function will return a stamp name.
#
# $1: Stamp type: configure, build, extract, fetch.
# $2: File URL or tarball name.
# $3: Special suffix, e.g., "stage1" or "stage2"
#
get_stamp_name()
{
local component=$1
local stamptype=$2
local git_or_tar=$3
local suffix=${4:-}
local validstamp="$(echo ${stamptype} | egrep -c "^configure$|^build$|^extract$|^fetch$")"
if test ${validstamp} -lt 1; then
error "Invalid stamp type selected."
return 1
fi
local name_fragment=
if test "$(echo "${git_or_tar}" | grep -c "\.tar")" -gt 0; then
# Strip the .tar.* from the archive file to get the stamp name.
name_fragment="$(echo "${git_or_tar}" | sed -e 's:\.tar.*::')"
# Strip any preceding directory information,
# e.g., infrastructure/gmp-2.1.2.tar.xz -> gmp-2.1.2
name_fragment="$(basename ${name_fragment})"
else
name_fragment="$(get_git_tag ${git_or_tar})" || return 1
if test x"${name_fragment}" = x; then
error "Couldn't determine stamp name."
return 1
fi
fi
echo "$component-${name_fragment}${suffix:+-${suffix}}-${stamptype}.stamp"
return 0
}
# $1 Stamp Location
# $2 Stamp Name
#
create_stamp()
{
local stamp_loc=$1
local stamp_name=$2
local ret=
# Strip trailing slashes from the location directory.
stamp_loc="$(echo ${stamp_loc} | sed 's#/*$##')"
if test ! -d "${stamp_loc}"; then
notice "'${stamp_loc}' doesn't exist, creating it."
dryrun "mkdir -p \"${stamp_loc}\""
fi
local full_stamp_path=
full_stamp_path="${stamp_loc}/${stamp_name}"
dryrun "touch \"${full_stamp_path}\""
ret=$?
notice "Creating stamp ${full_stamp_path} ($(dryrun "stat -c %Y ${full_stamp_path}"))"
return ${ret}
}
#
# $1 Stamp Location
# $2 Stamp Name
# $3 File to compare stamp against
# $4 Force
#
# If stamp file is newer than the compare file return 0
# If stamp file is NOT newer than the compare file return 1
# If stamp file does not exist return 1
#
# Return Value:
#
# 1 - If the test_stamp function returns 1 then regenerate the stamp
# after processing.
#
# 0 - Otherwise the test_stamp function returns 0 which means that
# you should not proceed with processing.
#
# 255 - There is an error condition during stamp generation. This is
# a bug in abe or the filesystem.
#
check_stamp()
{
local stamp_loc=$1
local stamp_name=$2
local compare_file=$3
local stamp_type=$4
local local_force=$5
if test ! -e "${compare_file}" -a x"${dryrun}" != xyes; then
fixme "Compare file '${compare_file}' does not exist."
return 255
fi
# Strip trailing slashes from the location directory.
stamp_loc="$(echo ${stamp_loc} | sed 's#/*$##')"
# stamp_type is only used for an informational message and we want to make
# the resultant message grammatically correct.
if test x"${stamp_type}" = x"configure"; then
stamp_type="configur"
fi
if test x"${dryrun}" = xyes; then
notice "--dryrun is being used${stamp_type:+, ${stamp_type}ing..}."
return 1
fi
notice "Checking for ${stamp_loc}/${stamp_name}"
if test ${compare_file} -nt ${stamp_loc}/${stamp_name} -o x"${local_force}" = xyes; then
if test ! -e "${stamp_loc}/${stamp_name}"; then
notice "${stamp_loc}/${stamp_name} does not yet exist${stamp_type:+, ${stamp_type}ing..}."
elif test x"${local_force}" = xyes; then
notice "--force is being used${stamp_type:+, ${stamp_type}ing..}."
else
notice "${compare_file} ($(dryrun "stat -c %Y ${compare_file}")) is newer than ${stamp_loc}/${stamp_name} ($(dryrun "stat -c %Y ${stamp_loc}/${stamp_name}"))${stamp_type:+, ${stamp_type}ing..}."
if [ -d "${compare_file}" ]; then
notice "Directory stamp for ${compare_file}/ ($(dryrun "stat -c %Y ${compare_file}/"))"
fi
fi
return 1
else
notice "${stamp_loc}/${stamp_name} ($(dryrun "stat -c %Y ${stamp_loc}/${stamp_name}")) is newer than ${compare_file} ($(dryrun "stat -c %Y ${compare_file}")). Nothing to be done."
fi
return 0
}
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