blob: e18b01f39c9c1da54054233b64b84717aef453f0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
#!/usr/bin/env bash
# We want to catch any unexpected failure, and exit immediately
set -e
# Download helper for bzr, to be called from the download wrapper script
#
# Call it as:
# .../bzr [-q] OUT_FILE REPO_URL REV BASENAME
#
# Environment:
# BZR : the bzr command to call
verbose=
while getopts :q OPT; do
case "${OPT}" in
q) verbose=-q;;
\?) printf "unknown option '%s'\n" "${OPTARG}" >&2; exit 1;;
esac
done
shift $((OPTIND-1))
output="${1}"
repo="${2}"
rev="${3}"
basename="${4}"
# Caller needs to single-quote its arguments to prevent them from
# being expanded a second time (in case there are spaces in them)
_bzr() {
eval ${BZR} "${@}"
}
# --per-file-timestamps comes with bzr-2.2 (released August 2010),
# so only pass it if bzr is recent enough. We compute versions as:
# major*1000 + minor
bzr_min_version=2002
bzr_version=$(($(bzr --version |
sed -r -n 's/^Bazaar \(bzr\) ([[:digit:]]+)\.([[:digit:]]+)\..*$/\1*1000+\2/p')
))
# If the version is recent enough, we can generate reproducible
# archives; otherwise, we just hope for the best (as it would
# be downloaded from the BR mirror if what we generate here does
# not match the hash we have for it).
if [ ${bzr_version} -ge ${bzr_min_version} ]; then
timestamp_opt="--per-file-timestamps"
fi
_bzr export ${verbose} --root="'${basename}/'" --format=tgz \
${timestamp_opt} - "'${repo}'" -r "'${rev}'" \
>"${output}"
|
