]> git.saurik.com Git - apt.git/blob - vendor/getinfo
don't leak on error in listparser creation
[apt.git] / vendor / getinfo
1 #!/bin/sh
2 # small helper to extract information form *.ent files
3
4 BASEDIR="$(readlink -f "$(dirname $0)")"
5 INFO="$(readlink -f "${BASEDIR}/current/apt-vendor.ent")"
6 VERBATIM="${BASEDIR}/../doc/apt-verbatim.ent"
7
8 if [ -z "$INFO" ] || [ ! -e "$INFO" ]; then
9 echo >&2 'The current vendor is not valid or not chosen by the buildsystem yet.'
10 exit 1
11 fi
12
13 getrawfield() {
14 awk "/<!ENTITY $1/ {f=NR} f && NR-1==f { print; exit 0 }" RS='"' "${2:-$INFO}"
15 }
16
17 getfield() {
18 local FIELD="$(getrawfield "$@")"
19 FIELD="${FIELD#*>}"
20 echo "${FIELD%<*}"
21 }
22
23 case "$1" in
24 debian-stable-codename|debian-oldstable-codename|debian-testing-codename|ubuntu-codename)
25 getrawfield "$1" "$VERBATIM"
26 ;;
27 keyring-package|keyring-filename|keyring-master-filename|keyring-removed-filename|keyring-uri|current-codename)
28 exec $0 'vendor' "$@"
29 ;;
30 vendor)
31 getfield "$2"
32 ;;
33 verbatim)
34 getfield "$2" "$VERBATIM"
35 ;;
36 *)
37 echo >&2 "Unknown data field $1 requested"
38 exit 2
39 ;;
40 esac