rpm-build/scripts/shell.req.in

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#!/bin/sh -efu
#
# Copyright (C) 2000,2003 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
. @RPMCONFIGDIR@/find-package
ShellReq()
{
local f="$1"; shift
local t sh
t=$(file -bL "$f") || Fatal "${t:-$f: file type not available}"
case "$t" in
*"Bourne-Again shell script text"*)
sh=/bin/bash ;;
*" bash script text"*)
sh=/bin/bash ;;
*)
sh=/bin/sh ;;
esac
$sh --rpm-requires </dev/null >/dev/null ||
Fatal "$sh interpreter does not support --rpm-requires feature"
local reqs line1
if ! reqs="$($sh --rpm-requires "$f")"; then
# sh --rpm-requires failed, and stderr is already there.
# We are almost dead. The last chance to escape is to see
# if the shell is used only to re-exec another interpreter, e.g.
# exec tclsh "$0" "$@"
if line1=$(egrep -m1 -v '^[[:space:]]*(#|$)' "$f"); then
set -- $line1
if [ $# -gt 1 ] && [ "$1" = exec ]; then
Info "$f is $2 script!"
# We do no more than shebang.req does. If the script
# is not executable, shebang.req.files must have been
# already issued "executable not executable" warning.
if [ -x "$f" ]; then
FindPackage "$f" "$2"
fi
return 0
fi
fi
Fatal "$f: $sh --rpm-requires failed"
fi
reqs="$(printf %s\\n "$reqs" |sed -n 's/^\(sh\|bash\|executable\)(\(.*\))$/\2/p' |LC_COLLATE=C sort -u)"
local dname r
dname=${f#${RPM_BUILD_ROOT-}}
dname=${dname%/*}
for r in $reqs; do
case "$(type -t -- "$r")" in
alias|keyword|function|builtin)
continue ;;
esac
if grep -qs -Fx -- "$r" "${RPM_BUILD_ROOT-}$dname/.provides.sh"; then
printf %s\\n "$dname($r)"
elif grep -qs -Fx -- "$r" "$dname/.provides.sh"; then
printf %s\\n "$dname($r)"
else
FindPackage "$f" "$r"
fi
done
}
ArgvFileAction ShellReq "$@"