/usr/share/avfs/extfs/trpm is in avfs 1.0.1-2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
| 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 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 | #! /bin/sh
#
# Browse contents of an installed RPM package.
# This filesystem works on the entries of the "rpms" filesystem.
#
# Written by Erik Troan (ewt@redhat.com) 1996
#            Jakub Jelinek (jj@sunsite.mff.cuni.cz) 1996
#            Tomasz K³oczko (kloczek@rudy.mif.pg.gda.pl) 1997
# minor changes by Wojtek Pilorz (wpilorz@bdk.lublin.pl) 1997
# minor changes by Michele Marziani (marziani@fe.infn.it) 1997
# slight changes to put rpm to Trpm by Balazs Nagy (julian7@kva.hu) 1998
# locale bugfix by Michal Svec (rebel@penguin.cz) 2000
# patch for listing files with correct file size by Tanmoy Bhattacharya (tanmoy@mindspring.com) 2007
# minor changes by Ralf Hoffmann (ralf@boomerangsworld.de) 2007
#
# (C) 1996 The Free Software Foundation.
#
#
# override any locale for dates
unset LC_ALL
LC_TIME=C
export LC_TIME
if rpm --nosignature --version >/dev/null 2>&1; then
  RPM="rpm --nosignature"
else
  RPM="rpm"
fi
mcrpmfs_list ()
{
    # set MCFASTRPM_DFLT to 1 for faster rpm files handling by default, to 0 for
    # slower handling
    MCFASTRPM_DFLT=0
    if test -z "$MCFASTRPM"; then
      MCFASTRPM=$MCFASTRPM_DFLT
    fi
    FILEPREF="-r--r--r--   1 root     root    "
    DESC=`$RPM -qi -- "$1"`
    if [ $? -ne 0 ]; then
       echo "$DESC" >&2
       exit 255
    fi
    DATE=`$RPM -q --qf "%{BUILDTIME:date}" -- "$1" | cut -c 5-11,21-24`
    HEADERSIZE=`echo "$DESC" | wc -c`
    f="$1"
    getsize() {
        $RPM -q --qf "$1" "$f" | wc -c
    }
    writewithsize() {
        tempvar="%{$3`echo "$1" | sed -e "s/-/}-%{/g"`}\n"
        size="`getsize "$tempvar"`"
        echo "$FILEPREF $size $DATE $2/$1"
    }
    
    echo "-r--r--r--   1 root     root  $HEADERSIZE $DATE HEADER"
    echo "-r-xr-xr-x   1 root     root    40 $DATE UNINSTALL"
    echo "dr-xr-xr-x   3 root     root	   0 $DATE INFO"
    writewithsize NAME-VERSION-RELEASE INFO
    writewithsize GROUP INFO
    writewithsize BUILDHOST INFO
    writewithsize SOURCERPM INFO
    if test "$MCFASTRPM" = 0 ; then
        test "`$RPM -q --qf \"%{DISTRIBUTION}\" \"$f\"`" = "(none)" ||
        writewithsize DISTRIBUTION INFO
        test "`$RPM -q --qf \"%{VENDOR}\" \"$f\"`" = "(none)" ||
        writewithsize VENDOR INFO
        test "`$RPM -q --qf \"%{DESCRIPTION}\" \"$f\"`" = "(none)" ||
        writewithsize DESCRIPTION INFO
        test "`$RPM -q --qf \"%{SUMMARY}\" \"$f\"`" = "(none)" ||
        writewithsize SUMMARY INFO
        if test "`$RPM -q --qf \"%{RPMTAG_PREIN}%{RPMTAG_POSTIN}%{RPMTAG_PREUN}%{RPMTAG_POSTUN}%{VERIFYSCRIPT}\" \"$f\"`" != "(none)(none)(none)(none)(none)"; then
	    echo "dr-xr-xr-x   1 root     root     0 $DATE INFO/SCRIPTS"
	    test "`$RPM -q --qf \"%{RPMTAG_PREIN}\" \"$f\"`" = '(none)' ||
	    writewithsize PREIN INFO/SCRIPTS RPMTAG_
	    test "`$RPM -q --qf \"%{RPMTAG_POSTIN}\" \"$f\"`" = '(none)' ||
	    writewithsize POSTIN INFO/SCRIPTS RPMTAG_
	    test "`$RPM -q --qf \"%{RPMTAG_PREUN}\" \"$f\"`" = '(none)' ||
	    writewithsize PREUN INFO/SCRIPTS RPMTAG_
	    test "`$RPM -q --qf \"%{RPMTAG_POSTUN}\" \"$f\"`" = '(none)' ||
	    writewithsize POSTUN INFO/SCRIPTS RPMTAG_
	    test "`$RPM -q --qf \"%{VERIFYSCRIPT}\" \"$f\"`" = '(none)' ||
	    writewithsize VERIFYSCRIPT INFO/SCRIPTS
            size="`$RPM -q --scripts "$f"|wc -c`"
            echo "$FILEPREF $size $DATE INFO/SCRIPTS/ALL"
        fi
    else
        writewithsize DISTRIBUTION INFO
        writewithsize VENDOR INFO
        writewithsize DESCRIPTION INFO
        writewithsize SUMMARY INFO
        echo "dr-xr-xr-x   1 root     root     0 $DATE INFO/SCRIPTS"
        writewithsize PREIN INFO/SCRIPTS RPMTAG_
        writewithsize POSTIN INFO/SCRIPTS RPMTAG_
        writewithsize PREUN INFO/SCRIPTS RPMTAG_
        writewithsize POSTUN INFO/SCRIPTS RPMTAG_
        writewithsize VERIFYSCRIPT INFO/SCRIPTS RPMTAG_
        size="`$RPM -q --scripts "$f"|wc -c`"
        echo "$FILEPREF $size $DATE INFO/SCRIPTS/ALL"
    fi
    if test "$MCFASTRPM" = 0 ; then
        test "`$RPM -q --qf \"%{PACKAGER}\" \"$f\"`" = "(none)" ||
	writewithsize PACKAGER INFO
        test "`$RPM -q --qf \"%{URL}\" \"$f\"`" = "(none)" ||
	writewithsize URL INFO
        test "`$RPM -q --qf \"%{SERIAL}\" \"$f\"`" = "(none)" ||
	writewithsize SERIAL INFO
        test "`$RPM -q --qf \"%{COPYRIGHT}\" \"$f\"`" = "(none)" ||
	writewithsize COPYRIGHT INFO
        test "`$RPM -q --qf \"%{LICENSE}\" \"$f\"`" = "(none)" ||
	writewithsize LICENSE INFO
    else
	writewithsize PACKAGER INFO
	writewithsize URL INFO
	writewithsize SERIAL INFO
	writewithsize COPYRIGHT INFO
	writewithsize LICENSE INFO
    fi
    size="`getsize "%{BUILDTIME:date}\n"`"
    echo "$FILEPREF $size $DATE INFO/BUILDTIME"
    writewithsize RPMVERSION INFO
    writewithsize OS INFO
    size="`getsize "%{SIZE} bytes\n"`"
    echo "$FILEPREF $size $DATE INFO/SIZE"
    if test "$MCFASTRPM" != 0 ; then
        size="`getsize "[%{REQUIRENAME} %{REQUIREFLAGS:depflags} %{REQUIREVERSION}\n]\n"`"
        $RPM -q --qf "[%{REQUIRENAME}\n]" "$f" | grep "(none)" > /dev/null ||
	echo "$FILEPREF $size $DATE INFO/REQUIRENAME"
        size="`getsize "[%{OBSOLETENAME} %|OBSOLETEFLAGS?{%{OBSOLETEFLAGS:depflags} %{OBSOLETEVERSION}}:{}|\n]\n"`"
        $RPM -q --qf "[%{OBSOLETES}\n]" "$f" | grep "(none)" > /dev/null ||
	echo "$FILEPREF $size $DATE INFO/OBSOLETES"
        size="`getsize "[%{PROVIDES}\n]\n"`"
        $RPM -q --qf "[%{PROVIDES}\n]" "$f" | grep "(none)" > /dev/null ||
	echo "$FILEPREF $size $DATE INFO/PROVIDES"
        size="`getsize "[* %{CHANGELOGTIME:date} %{CHANGELOGNAME}\n%{CHANGELOGTEXT}\n\n]\n"`"
        test "`$RPM -q --qf \"%{CHANGELOGTEXT}\" \"$f\"`" = "(none)" ||
        echo "$FILEPREF $size $DATE INFO/CHANGELOG"
    else 
	size="`getsize "[%{REQUIRENAME} %{REQUIREFLAGS:depflags} %{REQUIREVERSION}\n]\n"`"
	echo "$FILEPREF $size $DATE INFO/REQUIRENAME"
	size="`getsize "[%{OBSOLETENAME} %|OBSOLETEFLAGS?{%{OBSOLETEFLAGS:depflags} %{OBSOLETEVERSION}}:{}|\n]\n"`"
	echo "$FILEPREF $size $DATE INFO/OBSOLETES"
	size="`getsize "[%{PROVIDES}\n]\n"`"
	echo "$FILEPREF $size $DATE INFO/PROVIDES"
	size="`getsize "[* %{CHANGELOGTIME:date} %{CHANGELOGNAME}\n%{CHANGELOGTEXT}\n\n]\n"`"
        echo "$FILEPREF $size $DATE INFO/CHANGELOG"
    fi
    $RPM -qlv -- "$1" | grep '^[A-Za-z0-9-]'
}
mcrpmfs_copyout ()
{
    $RPM -qi -- "$1" >/dev/null 2>&1 || exit 255
    case "$2" in
	HEADER) $RPM -qi -- "$1" > "$3"; exit 0;;
	UNINSTALL) echo "# Run this to uninstall this RPM package" > "$3"; exit 0;;
	INFO/NAME-VERSION-RELEASE)	$RPM -q --qf "%{NAME}-%{VERSION}-%{RELEASE}\n" -- "$1" > "$3"; exit 0;;
	INFO/RELEASE)		$RPM -q --qf "%{RELEASE}\n" -- "$1" > "$3"; exit 0;;
	INFO/GROUP)		$RPM -q --qf "%{GROUP}\n" -- "$1" > "$3"; exit 0;;
	INFO/DISTRIBUTION) 	$RPM -q --qf "%{DISTRIBUTION}\n" -- "$1" > "$3"; exit 0;;
	INFO/VENDOR)		$RPM -q --qf "%{VENDOR}\n" -- "$1" > "$3"; exit 0;;
	INFO/BUILDHOST)		$RPM -q --qf "%{BUILDHOST}\n" -- "$1" > "$3"; exit 0;;
	INFO/SOURCERPM)		$RPM -q --qf "%{SOURCERPM}\n" -- "$1" > "$3"; exit 0;;
	INFO/DESCRIPTION)	$RPM -q --qf "%{DESCRIPTION}\n" -- "$1" > "$3"; exit 0;;
	INFO/PACKAGER)		$RPM -q --qf "%{PACKAGER}\n" -- "$1" > "$3"; exit 0;;
	INFO/URL)		$RPM -q --qf "%{URL}\n" -- "$1" > "$3"; exit 0;;
	INFO/BUILDTIME)		$RPM -q --qf "%{BUILDTIME:date}\n" -- "$1" > "$3"; exit 0;;
	INFO/SERIAL)		$RPM -q --qf "%{SERIAL}\n" -- "$1" > "$3"; exit 0;;
	INFO/COPYRIGHT)		$RPM -q --qf "%{COPYRIGHT}\n" -- "$1" > "$3"; exit 0;;
	INFO/LICENSE)		$RPM -q --qf "%{LICENSE}\n" -- "$1" > "$3"; exit 0;;
	INFO/RPMVERSION)	$RPM -q --qf "%{RPMVERSION}\n" -- "$1" > "$3"; exit 0;;
	INFO/REQUIRENAME)	$RPM -q --qf "[%{REQUIRENAME} %{REQUIREFLAGS:depflags} %{REQUIREVERSION}\n]\n" -- "$1" > "$3"; exit 0;;
	INFO/OBSOLETES)		$RPM -q --qf "[%{OBSOLETENAME} %|OBSOLETEFLAGS?{%{OBSOLETEFLAGS:depflags} %{OBSOLETEVERSION}}:{}|\n]\n" -- "$1" > "$3"; exit 0;;
	INFO/PROVIDES)		$RPM -q --qf "[%{PROVIDES}\n]\n" -- "$1" > "$3"; exit 0;;
	INFO/SCRIPTS/PREIN)	$RPM -q --qf "%{RPMTAG_PREIN}\n" -- "$1" > "$3"; exit 0;;
	INFO/SCRIPTS/POSTIN)	$RPM -q --qf "%{RPMTAG_POSTIN}\n" -- "$1" > "$3"; exit 0;;
	INFO/SCRIPTS/PREUN)	$RPM -q --qf "%{RPMTAG_PREUN}\n" -- "$1" > "$3"; exit 0;;
	INFO/SCRIPTS/POSTUN)	$RPM -q --qf "%{RPMTAG_POSTUN}\n" -- "$1" > "$3"; exit 0;;
	INFO/SCRIPTS/VERIFYSCRIPT)	$RPM -q --qf "%{VERIFYSCRIPT}\n" -- "$1" > "$3"; exit 0;;
	INFO/SCRIPTS/ALL)		$RPM -q --scripts -- "$1" > "$3"; exit 0;;
	INFO/SUMMARY)		$RPM -q --qf "%{SUMMARY}\n" -- "$1" > "$3"; exit 0;;
	INFO/OS)		$RPM -q --qf "%{OS}\n" -- "$1" > "$3"; exit 0;;
	INFO/CHANGELOG)		$RPM -q --qf "[* %{CHANGELOGTIME:date} %{CHANGELOGNAME}\n%{CHANGELOGTEXT}\n\n]\n" -- "$1" > "$3"; exit 0;;
	INFO/SIZE)		$RPM -q --qf "%{SIZE} bytes\n" -- "$1" > "$3"; exit 0;;
	*)
	    cp "/$2" "$3"
    esac
}
mcrpmfs_run ()
{
    $RPM -qi -- "$1" >/dev/null 2>&1 || exit 255
    case "$2" in
	UNINSTALL) echo "Uninstalling $1"; rpm -e -- "$1"; exit 0;;
    esac
}
name=`head -n 1 "$2" | sed 's/.*\///;s/\.trpm$//'`
case "$1" in
  list) mcrpmfs_list "$name"; exit 0;;
  copyout) mcrpmfs_copyout "$name" "$3" "$4"; exit 0;;
  run) mcrpmfs_run "$name" "$3"; exit 1;;
esac
exit 1
 |