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# Copyright 2013 Lars Wirzenius
#
# 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/>.
#
# =*= License: GPL-3+ =*=
# Run Obnam in a safe way that ignore's any configuration files
# outside the test. The first argument MUST be the client name. The
# configuration file $DATADIR/$1.conf is used, if it exists. In addition,
# the environment variables specified in $DATADIR/$1.env are added for
# the duration of running Obnam.
run_obnam()
{
local name="$1"
shift
# Create the config file, if it doesn't already exist.
local conf="$DATADIR/$name.conf"
if [ ! -e "$conf" ]
then
add_to_config "$name" client-name "$name"
fi
# Always turn off weak-random, or else anything that uses
# encryption will take a long time. We don't need strong random
# numbers for tests.
add_to_config "$name" weak-random yes
(
if [ -e "$DATADIR/$name.env" ]
then
. "$DATADIR/$name.env"
fi
"$SRCDIR/obnam" --no-default-config --config "$conf" \
--quiet --log-level debug --log "$DATADIR/obnam.log" "$@"
)
}
# Add an environment variable to the Obnam run.
add_to_env()
{
local user="$1"
local var="$2"
local value="$3"
printf 'export %s=%s\n' "$var" "$value" >> "$DATADIR/$user.env"
}
# Add a setting to the configuration file for a given client.
add_to_config()
{
local client="$1"
local filename="$DATADIR/$client.conf"
local key="$2"
local value="$3"
if [ ! -e "$filename" ]
then
printf '[config]\n' > "$filename"
printf 'client-name = %s\n' "$client" >> "$filename"
fi
printf '%s = %s\n' "$key" "$value" >> "$filename"
}
# Attempt to run a command, which may fail. Capture its stdout,
# stderr, and exit code.
attempt()
{
if "$@" \
> "$DATADIR/attempt.stdout" \
2> "$DATADIR/attempt.stderr"
then
exit=0
else
exit=$?
fi
echo "$exit" > "$DATADIR/attempt.exit"
}
# Match captured output from attempt against a regular expression.
attempt_matches()
{
grep "$2" "$DATADIR/attempt.$1"
}
# Check exit code of latest attempt.
attempt_exit_was()
{
grep -Fx "$1" "$DATADIR/attempt.exit"
}
# Normalise time fields in a manifest that vary uncontrollably on
# some filesystems.
normalise_manifest_times()
{
sed '/^Mtime:/s/\.[0-9]* / /' "$@"
}
# Create a manifest with summain of a directory.
manifest()
{
summain -r "$1" --exclude Ino --exclude Dev | normalise_manifest_times
}
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