openpkg/man.sh

Tue, 31 Jul 2012 09:20:53 +0200

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 31 Jul 2012 09:20:53 +0200
changeset 421
3285b64e3857
child 428
f880f219c566
permissions
-rw-r--r--

Import package vendor original specs for necessary manipulations.

michael@13 1 #!@l_prefix@/lib/openpkg/bash
michael@13 2 ##
michael@13 3 ## man -- OpenPKG Tool Chain "man" command
michael@13 4 ## Copyright (c) 2000-2007 OpenPKG Foundation e.V. <http://openpkg.net/>
michael@13 5 ## Copyright (c) 2000-2007 Ralf S. Engelschall <http://engelschall.com/>
michael@13 6 ##
michael@13 7 ## Permission to use, copy, modify, and distribute this software for
michael@13 8 ## any purpose with or without fee is hereby granted, provided that
michael@13 9 ## the above copyright notice and this permission notice appear in all
michael@13 10 ## copies.
michael@13 11 ##
michael@13 12 ## THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
michael@13 13 ## WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
michael@13 14 ## MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
michael@13 15 ## IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
michael@13 16 ## CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
michael@13 17 ## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
michael@13 18 ## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
michael@13 19 ## USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
michael@13 20 ## ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
michael@13 21 ## OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
michael@13 22 ## OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
michael@13 23 ## SUCH DAMAGE.
michael@13 24 ##
michael@13 25
michael@13 26 # configuration
michael@13 27 prefix="@l_prefix@"
michael@13 28
michael@13 29 # minimum command line parsing
michael@13 30 opt_h=no
michael@13 31 while [ 1 ]; do
michael@13 32 case "$1" in
michael@13 33 -h | --help ) opt_h=yes; shift ;;
michael@13 34 * ) break ;;
michael@13 35 esac
michael@13 36 done
michael@13 37 if [ ".$opt_h" = .yes ]; then
michael@13 38 echo "openpkg:man:USAGE: openpkg man [--help] [<section>] <command>"
michael@13 39 exit 0
michael@13 40 fi
michael@13 41 if [ $# -eq 1 ]; then
michael@13 42 man_page="$1"
michael@13 43 elif [ $# -eq 2 ]; then
michael@13 44 man_sect="$1"
michael@13 45 man_page="$2"
michael@13 46 else
michael@13 47 echo "openpkg:man:ERROR: invalid number of arguments" 1>&2
michael@13 48 exit 1
michael@13 49 fi
michael@13 50
michael@13 51 # determine path to commands
michael@13 52 openpkg_tools="${OPENPKG_TOOLS}"
michael@13 53 openpkg_tools_cmdpath="${OPENPKG_TOOLS_CMDPATH}"
michael@13 54 if [ ".${openpkg_tools}" != . -a ".${openpkg_tools_cmdpath}" = . ]; then
michael@13 55 openpkg_tools_cmdpath="${openpkg_tools}/cmd:@"
michael@13 56 fi
michael@13 57 cmdpath="${prefix}/libexec/openpkg"
michael@13 58 if [ -d "${prefix}/libexec/openpkg-tools" ]; then
michael@13 59 cmdpath="${prefix}/libexec/openpkg-tools:${cmdpath}"
michael@13 60 fi
michael@13 61 if [ -d "${prefix}/libexec/openpkg-audit" ]; then
michael@13 62 cmdpath="${prefix}/libexec/openpkg-audit:${cmdpath}"
michael@13 63 fi
michael@13 64 if [ ".${openpkg_tools_cmdpath}" != . ]; then
michael@13 65 cmdpath=`echo "${openpkg_tools_cmdpath}" | sed -e "s;@;${cmdpath};"`
michael@13 66 fi
michael@13 67 openpkg_tools_cmdpath=`echo "${cmdpath}" | sed -e 's/::/:/g' -e 's/^://' -e 's/:$//'`
michael@13 68
michael@13 69 # search for manual page in OpenPKG Tool Chain
michael@13 70 man_file=""
michael@13 71 man_type=""
michael@13 72 OIFS="$IFS"; IFS=":"
michael@13 73 for dir in ${openpkg_tools_cmdpath}; do
michael@13 74 IFS="$OIFS"
michael@13 75 for file in $dir/$man_page.${man_sect-"1"} $dir/$man_page.[1-9]; do
michael@13 76 if [ -f "$file" ]; then
michael@13 77 man_file="$file"
michael@13 78 man_type="roff"
michael@13 79 if [ ".$man_sect" = . ]; then
michael@13 80 man_sect=`echo "$man_file" |\
michael@13 81 sed -e 's;^;X;' -e 's;^X.*\.\([1-9]\)$;\1;' -e 's;^X.*;;'`
michael@13 82 fi
michael@13 83 break
michael@13 84 fi
michael@13 85 done
michael@13 86 if [ ".$man_type" = . ]; then
michael@13 87 for file in $dir/$man_page.pod $dir/$man_page.pl $dir/$man_page.sh; do
michael@13 88 if [ -f "$file" ]; then
michael@13 89 if [ ".`grep '^=pod' $file`" != . ]; then
michael@13 90 man_file="$file"
michael@13 91 man_type="pod"
michael@13 92 break
michael@13 93 fi
michael@13 94 fi
michael@13 95 done
michael@13 96 fi
michael@13 97 if [ ".$man_type" != . ]; then
michael@13 98 break
michael@13 99 fi
michael@13 100 done
michael@13 101 IFS="$OIFS"
michael@13 102 if [ ".$man_type" != . ]; then
michael@13 103 # determine POD to Roff converter
michael@13 104 pod2roff=""
michael@13 105 if [ ".$man_type" = .pod ]; then
michael@13 106 pod2roff=`$prefix/lib/openpkg/shtool path -p "$prefix/bin:$PATH" pod2man`
michael@13 107 if [ ".$pod2roff" = . ]; then
michael@13 108 echo "openpkg:man:ERROR: unable to find POD to Roff converter (pod2man)" 1>&2
michael@13 109 exit 1
michael@13 110 fi
michael@13 111 if [ ".$man_sect" = . ]; then
michael@13 112 man_sect=1
michael@13 113 fi
michael@13 114 pod2roff="$pod2roff --section=${man_sect}"
michael@13 115 pod2roff="$pod2roff --release=\"$man_page(${man_sect})\""
michael@13 116 pod2roff="$pod2roff --center=OpenPKG --date=OpenPKG"
michael@13 117 pod2roff="$pod2roff --quotes=none"
michael@13 118 fi
michael@13 119
michael@13 120 # determine Roff to ASCII converter
michael@13 121 roff2ascii=`$prefix/lib/openpkg/shtool path -p "$prefix/bin:$PATH" nroff groff`
michael@13 122 if [ ".$roff2ascii" = . ]; then
michael@13 123 echo "openpkg:man:ERROR: unable to find Roff to ASCII converter (nroff, groff)" 1>&2
michael@13 124 exit 1
michael@13 125 fi
michael@13 126 roff2ascii="$roff2ascii -man"
michael@13 127 case "$roff2ascii" in
michael@13 128 */groff ) roff2ascii="$roff2ascii -Tascii" ;;
michael@13 129 esac
michael@13 130
michael@13 131 # determine pager
michael@13 132 pager="$PAGER"
michael@13 133 if [ ".$pager" = . ]; then
michael@13 134 pager=`$prefix/lib/openpkg/shtool path -p "$prefix/bin:$PATH" less more cat`
michael@13 135 fi
michael@13 136 if [ ".$pager" = . ]; then
michael@13 137 echo "openpkg:man:ERROR: unable to find text viewer ($PAGER, less, more, cat)" 1>&2
michael@13 138 exit 1
michael@13 139 fi
michael@13 140
michael@13 141 # render the manual page to the TTY
michael@13 142 if [ ".$man_type" = .roff ]; then
michael@13 143 eval "$roff2ascii $man_file | $pager"
michael@13 144 elif [ ".$man_type" = .pod ]; then
michael@13 145 eval "$pod2roff $man_file | $roff2ascii | $pager"
michael@13 146 fi
michael@13 147 exit 0
michael@13 148 fi
michael@13 149
michael@13 150 # fallback to the man(1) command
michael@13 151 MANPATH="$prefix/man:$prefix/local/man:${MANPATH-/usr/man}:/usr/man:/usr/share/man"
michael@13 152 export MANPATH
michael@13 153 eval "exec man $man_sect $man_page"
michael@13 154

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