rpm-build/autodeps/linux.prov.in
Ivan Zakharyaschev d13f11fe4f find-provides: removed optimization for empty lists of files
The same reasons as for find-requires:

1. can be buggy in future;
2. give a chance to the methods to generate some special Provides
2016-04-07 13:58:27 +03:00

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#!/bin/sh -efu
#
# Copyright (C) 2000-2007,2011 Dmitry V. Levin <ldv@altlinux.org>
# Copyright (C) 2007 Alexey Tourbin <at@altlinux.org>
#
# find-provides - generate list of linux-specific package provides.
# Inspired by tool with same name from RPM distribution.
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
. @RPMCONFIGDIR@/functions
ValidateBuildRoot
. @RPMCONFIGDIR@/tmpdir.sh
methods=$(SetupMethods prov "$RPM_FINDPROV_METHOD")
if [ -z "$methods" ]; then
Info 'AutoProv disabled, nothing to do'
cat > /dev/null
exit 0
fi
# filter file list through TOPDIR and SKIPLIST patterns
while IFS= read -r f; do
fname="${f#$RPM_BUILD_ROOT}"
printf '%s\n' "$fname" >&3
if [ -n "${RPM_FINDPROV_TOPDIR-}" ] && [ -z "${fname%%$RPM_FINDPROV_TOPDIR/*}" ]; then
Debug "skip $f due to RPM_FINDPROV_TOPDIR=$RPM_FINDPROV_TOPDIR"
continue
fi
if [ -n "${RPM_FINDPROV_SKIPLIST-}" ]; then
for skip in $RPM_FINDPROV_SKIPLIST; do
if [ -z "${fname##$skip}" ]; then
Debug "skip $f due to RPM_FINDPROV_SKIPLIST pattern $skip"
continue 2
fi
done
fi
if [ -L "$f" ]; then
to="$(readlink "$f")"
if [ -n "$to" -a -z "${to##/*}" ]; then
Info "absolute symbolic link $f -> $to is not going to provide anything"
continue
elif ! [ -e "$f" ]; then
Info "broken symbolic link $f -> $to is not going to provide anything"
continue
fi
fi
printf '%s\n' "$f"
done >"$tmpdir"/files 3>"$RPM_BUILD_ROOT/.files:$RPM_SUBPACKAGE_NAME"
# filter file list through file(1) to append types (dereference symlinks)
if ! file -L -NF$'\t' -f "$tmpdir"/files >"$tmpdir"/files+types; then
sed -n '/\t *ERROR:/p' "$tmpdir"/files+types >&2
exit 1
fi
found=
RunMethod()
{
local exe="$1"; shift
local filter="$exe".files
if ! [ -x "$filter" ]; then
# XXX should be Fatal
Info "$filter not available"
return
fi
local filelist="$tmpdir/${exe##*/}".files
local deplist="$tmpdir/${exe##*/}".deps
Debug "running $filter"
"$filter" <"$tmpdir"/files+types >"$filelist" ||
Fatal "$filter failed"
Verbose "$filter: $(wc -l <"$filelist") files"
[ -s "$filelist" ] || return 0
# XXX validate $filelist
Debug "running $exe"
"$exe" <"$filelist" >"$deplist" ||
Fatal "$exe failed"
if [ -s "$deplist" ]; then
LC_COLLATE=C sort -u -o "$deplist" "$deplist"
Verbose "$exe: $(wc -l <"$deplist") dependencies"
found=1
else
rm -f "$deplist"
fi
}
Info "running scripts ($methods)"
RunMethods prov "$methods" RunMethod
if [ -n "$found" ]; then
(set +f && LC_ALL=C sort -u -m "$tmpdir"/*.deps) >"$tmpdir"/find-provides-deps || false
if [ -n "${RPM_FIND_PROVIDES_FILTER-}" ]; then
(eval "set -x; $RPM_FIND_PROVIDES_FILTER") <"$tmpdir"/find-provides-deps >"$tmpdir"/filter-provides-deps
[ $? = 0 ] || Fatal "filter failed"
(cd "$tmpdir" && diff -U1 find-provides-deps filter-provides-deps) >&2 ||:
cat "$tmpdir"/filter-provides-deps
else
cat "$tmpdir"/find-provides-deps
fi
fi