rpm-build/scripts/find-package.in

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#!/bin/sh -efu
#
# Copyright (C) 2002-2003 Dmitry V. Levin <ldv@altlinux.org>
# Copyright (C) 2007 Alexey Tourbin <at@altlinux.org>
#
# 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
RPM_FINDPACKAGE_PATH="${RPM_FINDPACKAGE_PATH-}:/bin:/sbin:/usr/bin:/usr/sbin:/usr/X11R6/bin"
RPM_FINDPACKAGE_PATH="$(IFS="$IFS:"; set -f; echo '' $RPM_FINDPACKAGE_PATH |sed -e 's/ */:/g; s/^://')"
Debug "RPM_FINDPACKAGE_PATH=$RPM_FINDPACKAGE_PATH"
# Below we use 'local Verbose=Info' to increase per-case verbosity.
Verbose=Verbose
FindByPath()
{
# Dependence name starts with `/'.
local f="$1" rep="$2" package; shift 2 || return
# Does it start with buildroot?
if [ -n "${RPM_BUILD_ROOT-}" ] && [ -z "${rep##$RPM_BUILD_ROOT*}" ]; then
Info "$f: invalid dependence: $rep"
return 1
fi
# Does it belong to buildroot?
if [ -n "${RPM_BUILD_ROOT-}" ] && [ -e "$RPM_BUILD_ROOT$rep" ]; then
$Verbose "$f: $rep -> \$RPM_BUILD_ROOT$rep (skip)"
return
fi
# Is it an alternative?
if readlink "$rep" |grep -qs '^/etc/alternatives/'; then
$Verbose "$f: $rep -> $rep (alternative)"
printf %s\\n "$rep"
return
fi
# Always try package binary index.
local idx_bin="${RPM_PKG_CONTENTS_INDEX_BIN-}" try_idx_bin=1
[ -n "$idx_bin" ] && [ -s "$idx_bin" ] && [ -r "$idx_bin" ] || try_idx_bin=
if [ -n "$try_idx_bin" ]; then
package="$(awk -v "f=$rep" '($1 == f) {print $2}' "$idx_bin" |sort -u)"
local n="$(IFS=$'\n'; set -- $package; echo $#)"
if [ "$n" = 1 ]; then
$Verbose "$f: $rep -> $package (via contents_index_bin)"
printf %s\\n "$package"
return
elif [ "$n" -gt 1 ]; then
Info "$f: $rep indexed by:$(echo '' $package)"
Info "$f: $rep -> $rep (raw, ambiguous, via contents_index_bin)"
printf %s\\n "$rep"
return
fi
fi
# Maybe try pkg complete index.
local idx_all="${RPM_PKG_CONTENTS_INDEX_ALL-}" try_idx_all=1
[ -n "$idx_all" ] && [ -s "$idx_all" ] && [ -r "$idx_all" ] || try_idx_all=
case "$try_idx_bin$rep" in
1/bin/* | 1/sbin/* | 1/usr/bin/* | 1/usr/sbin/* )
# Binary index already checked for standard *bin/* entries.
# No need to check complete index.
try_idx_all=
esac
if [ -n "$try_idx_all" ]; then
# Checking complete index is expensive.
local Verbose=Info
Info "$f: checking contents_index_all for $rep"
# Complete package index is possibly gzipped.
package="$(gzip -cdfq "$idx_all" |awk -v "f=$rep" '($1 == f) {print $2}' |sort -u)"
local n="$(IFS=$'\n'; set -- $package; echo $#)"
if [ "$n" = 1 ]; then
Info "$f: $rep -> $package (via contents_index_all)"
printf %s\\n "$package"
return
elif [ "$n" -gt 1 ]; then
Info "$f: $rep indexed by:$(echo '' $package)"
Info "$f: $rep -> $rep (raw, ambiguous, via contents_index_all)"
printf %s\\n "$rep"
return
fi
fi
# Check package database.
if package="$(rpmquery --whatprovides --queryformat='%{NAME}\n' -- "$rep")"; then
package="$(printf %s "$package" |LC_COLLATE=C sort -u)"
local n="$(IFS=$'\n'; set -- $package; echo $#)"
if [ "$n" = 1 ]; then
$Verbose "$f: $rep -> $package (via rpmdb)"
printf %s\\n "$package"
return
elif [ "$n" -gt 1 ]; then
Info "$f: $rep provided by:$(echo '' $package)"
Info "$f: $rep -> $rep (raw, ambiguous, via rpmdb)"
printf %s\\n "$rep"
return
fi
fi
# Not found; output raw dependence.
Info "$f: $rep -> $rep (raw, not found)"
printf %s\\n "$rep"
}
FindByName()
{
local f="$1" r="$2" rep package; shift 2 || return
# Check buildroot first.
if [ -n "${RPM_BUILD_ROOT-}" ]; then
local RPATH
RPATH="$(printf %s "$RPM_FINDPACKAGE_PATH" |sed -e "s|[^:]\+|$RPM_BUILD_ROOT&|g")"
if rep="$(PATH="$RPATH" /usr/bin/which -- "$r" 2>/dev/null)"; then
$Verbose "$f: $r -> \$RPM_BUILD_ROOT${rep#$RPM_BUILD_ROOT} (skip)"
return
fi
fi
# Check for pkg contents binary index.
rep= package=
if [ -n "${RPM_PKG_CONTENTS_INDEX_BIN-}" ] && [ -s "$RPM_PKG_CONTENTS_INDEX_BIN" ] && [ -r "$RPM_PKG_CONTENTS_INDEX_BIN" ]; then
local out="$(awk -v r="$r" -v RPM_FINDPACKAGE_PATH="$RPM_FINDPACKAGE_PATH" '
BEGIN {
# Here we enumerate all possible paths to keep the order;
# later we sort the result with "sort -n".
n = split(RPM_FINDPACKAGE_PATH, ary, ":")
for (i = 1; i <= n; i++) {
dir = ary[i]
sub("/+$", "", dir)
file = dir "/" r
if (dir && !(file in FILES))
FILES[file] = i
}
# By now FILES is normally something like this:
# /bin/r 1
# /sbin/r 2
# /usr/bin/r 3
# /usr/sbin/r 4
# ...
}
NF==2 && ($1 in FILES) {
# Possible output is like this:
# 3 /usr/bin/r pkgA
# 1 /bin/r pkgB
print FILES[$1] "\t" $1 "\t" $2
}
' "$RPM_PKG_CONTENTS_INDEX_BIN" |
# Best paths go first:
sort -n |
# For each package, keep only the best path:
sort -u -k3 |
# Best paths still go first:
sort -n |
# Well done, discard numbers.
cut -f2-)"
local n="$(IFS=$'\n'; set -- $out; echo $#)"
if [ "$n" = 1 ]; then
rep="$(IFS=$'\t\n'; set -- $out; printf %s "$1")"
package="$(IFS=$'\t\n'; set -- $out; printf %s "$2")"
$Verbose "$r -> $rep -> $package (via contents_index_bin)"
printf %s\\n "$package"
return
elif [ "$n" -gt 1 ]; then
local Verbose=Info
Info "$f: $r indexed by:$(printf %s "$out" |sed -e 's/\t/ -> /; s/$/,/; $s/,$//' |xargs echo '')"
rep="$(IFS=$'\t\n'; set -- $out; printf %s "$1")"
package="$(IFS=$'\t\n'; set -- $out; printf %s "$2")"
local rep2="$(IFS=$'\t\n'; set -- $out; printf %s "$3")"
if [ "$rep" = "$rep2" ]; then
Info "$f: $r -> $rep -> $rep (raw, ambiguous, via contents_index_bin)"
printf %s\\n "$rep"
return
fi
fi
fi
# Lookup in the host system.
local irep="$rep"
if rep="$(PATH="$RPM_FINDPACKAGE_PATH" /usr/bin/which --all -- "$r" 2>/dev/null)"; then
local n="$(IFS=$'\n'; set -- $rep; echo $#)"
if [ "$n" -gt 1 ]; then
n="$(IFS=$'\n'; for f in $rep; do readlink -vm "$f"; done |sort -u |wc -l)"
if [ "$n" -gt 1 ]; then
local Verbose=Info
Info "$f: which $r:$(echo '' $rep)"
fi
rep="$(IFS=$'\n'; set -- $rep; printf %s "$1")"
fi
if [ -n "$rep" ]; then
$Verbose "$f: $r -> $rep -> ... (via which)"
FindByPath "$f" "$rep"
return
fi
fi
# Reconsult pkg contents binary index.
if [ -n "$irep" ] && [ -n "$package" ]; then
rep="$irep"
$Verbose "$f: $r -> $rep -> $package (via contents_index_bin)"
printf %s\\n "$package"
return
fi
# Not found.
Info "$f: $r not found (skip)"
}
FindPackage()
{
local f="$1" r; shift || return
for r; do
local Verbose=Verbose
case "$r" in
/*)
FindByPath "$f" "$r" ;;
*/*)
Info "$f: invalid pathname $r" ;;
-*)
Info "$f: invalid command $r" ;;
'')
;;
*)
FindByName "$f" "$r" ;;
esac
done
}