comparison: openpkg/man.sh
openpkg/man.sh
- changeset 403
- 51de80f77aa2
- child 428
- f880f219c566
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| 1 #!@l_prefix@/lib/openpkg/bash | |
| 2 ## | |
| 3 ## man -- OpenPKG Tool Chain "man" command | |
| 4 ## Copyright (c) 2000-2007 OpenPKG Foundation e.V. <http://openpkg.net/> | |
| 5 ## Copyright (c) 2000-2007 Ralf S. Engelschall <http://engelschall.com/> | |
| 6 ## | |
| 7 ## Permission to use, copy, modify, and distribute this software for | |
| 8 ## any purpose with or without fee is hereby granted, provided that | |
| 9 ## the above copyright notice and this permission notice appear in all | |
| 10 ## copies. | |
| 11 ## | |
| 12 ## THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED | |
| 13 ## WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| 14 ## MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
| 15 ## IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR | |
| 16 ## CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 17 ## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 18 ## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | |
| 19 ## USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
| 20 ## ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
| 21 ## OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT | |
| 22 ## OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 23 ## SUCH DAMAGE. | |
| 24 ## | |
| 25 | |
| 26 # configuration | |
| 27 prefix="@l_prefix@" | |
| 28 | |
| 29 # minimum command line parsing | |
| 30 opt_h=no | |
| 31 while [ 1 ]; do | |
| 32 case "$1" in | |
| 33 -h | --help ) opt_h=yes; shift ;; | |
| 34 * ) break ;; | |
| 35 esac | |
| 36 done | |
| 37 if [ ".$opt_h" = .yes ]; then | |
| 38 echo "openpkg:man:USAGE: openpkg man [--help] [<section>] <command>" | |
| 39 exit 0 | |
| 40 fi | |
| 41 if [ $# -eq 1 ]; then | |
| 42 man_page="$1" | |
| 43 elif [ $# -eq 2 ]; then | |
| 44 man_sect="$1" | |
| 45 man_page="$2" | |
| 46 else | |
| 47 echo "openpkg:man:ERROR: invalid number of arguments" 1>&2 | |
| 48 exit 1 | |
| 49 fi | |
| 50 | |
| 51 # determine path to commands | |
| 52 openpkg_tools="${OPENPKG_TOOLS}" | |
| 53 openpkg_tools_cmdpath="${OPENPKG_TOOLS_CMDPATH}" | |
| 54 if [ ".${openpkg_tools}" != . -a ".${openpkg_tools_cmdpath}" = . ]; then | |
| 55 openpkg_tools_cmdpath="${openpkg_tools}/cmd:@" | |
| 56 fi | |
| 57 cmdpath="${prefix}/libexec/openpkg" | |
| 58 if [ -d "${prefix}/libexec/openpkg-tools" ]; then | |
| 59 cmdpath="${prefix}/libexec/openpkg-tools:${cmdpath}" | |
| 60 fi | |
| 61 if [ -d "${prefix}/libexec/openpkg-audit" ]; then | |
| 62 cmdpath="${prefix}/libexec/openpkg-audit:${cmdpath}" | |
| 63 fi | |
| 64 if [ ".${openpkg_tools_cmdpath}" != . ]; then | |
| 65 cmdpath=`echo "${openpkg_tools_cmdpath}" | sed -e "s;@;${cmdpath};"` | |
| 66 fi | |
| 67 openpkg_tools_cmdpath=`echo "${cmdpath}" | sed -e 's/::/:/g' -e 's/^://' -e 's/:$//'` | |
| 68 | |
| 69 # search for manual page in OpenPKG Tool Chain | |
| 70 man_file="" | |
| 71 man_type="" | |
| 72 OIFS="$IFS"; IFS=":" | |
| 73 for dir in ${openpkg_tools_cmdpath}; do | |
| 74 IFS="$OIFS" | |
| 75 for file in $dir/$man_page.${man_sect-"1"} $dir/$man_page.[1-9]; do | |
| 76 if [ -f "$file" ]; then | |
| 77 man_file="$file" | |
| 78 man_type="roff" | |
| 79 if [ ".$man_sect" = . ]; then | |
| 80 man_sect=`echo "$man_file" |\ | |
| 81 sed -e 's;^;X;' -e 's;^X.*\.\([1-9]\)$;\1;' -e 's;^X.*;;'` | |
| 82 fi | |
| 83 break | |
| 84 fi | |
| 85 done | |
| 86 if [ ".$man_type" = . ]; then | |
| 87 for file in $dir/$man_page.pod $dir/$man_page.pl $dir/$man_page.sh; do | |
| 88 if [ -f "$file" ]; then | |
| 89 if [ ".`grep '^=pod' $file`" != . ]; then | |
| 90 man_file="$file" | |
| 91 man_type="pod" | |
| 92 break | |
| 93 fi | |
| 94 fi | |
| 95 done | |
| 96 fi | |
| 97 if [ ".$man_type" != . ]; then | |
| 98 break | |
| 99 fi | |
| 100 done | |
| 101 IFS="$OIFS" | |
| 102 if [ ".$man_type" != . ]; then | |
| 103 # determine POD to Roff converter | |
| 104 pod2roff="" | |
| 105 if [ ".$man_type" = .pod ]; then | |
| 106 pod2roff=`$prefix/lib/openpkg/shtool path -p "$prefix/bin:$PATH" pod2man` | |
| 107 if [ ".$pod2roff" = . ]; then | |
| 108 echo "openpkg:man:ERROR: unable to find POD to Roff converter (pod2man)" 1>&2 | |
| 109 exit 1 | |
| 110 fi | |
| 111 if [ ".$man_sect" = . ]; then | |
| 112 man_sect=1 | |
| 113 fi | |
| 114 pod2roff="$pod2roff --section=${man_sect}" | |
| 115 pod2roff="$pod2roff --release=\"$man_page(${man_sect})\"" | |
| 116 pod2roff="$pod2roff --center=OpenPKG --date=OpenPKG" | |
| 117 pod2roff="$pod2roff --quotes=none" | |
| 118 fi | |
| 119 | |
| 120 # determine Roff to ASCII converter | |
| 121 roff2ascii=`$prefix/lib/openpkg/shtool path -p "$prefix/bin:$PATH" nroff groff` | |
| 122 if [ ".$roff2ascii" = . ]; then | |
| 123 echo "openpkg:man:ERROR: unable to find Roff to ASCII converter (nroff, groff)" 1>&2 | |
| 124 exit 1 | |
| 125 fi | |
| 126 roff2ascii="$roff2ascii -man" | |
| 127 case "$roff2ascii" in | |
| 128 */groff ) roff2ascii="$roff2ascii -Tascii" ;; | |
| 129 esac | |
| 130 | |
| 131 # determine pager | |
| 132 pager="$PAGER" | |
| 133 if [ ".$pager" = . ]; then | |
| 134 pager=`$prefix/lib/openpkg/shtool path -p "$prefix/bin:$PATH" less more cat` | |
| 135 fi | |
| 136 if [ ".$pager" = . ]; then | |
| 137 echo "openpkg:man:ERROR: unable to find text viewer ($PAGER, less, more, cat)" 1>&2 | |
| 138 exit 1 | |
| 139 fi | |
| 140 | |
| 141 # render the manual page to the TTY | |
| 142 if [ ".$man_type" = .roff ]; then | |
| 143 eval "$roff2ascii $man_file | $pager" | |
| 144 elif [ ".$man_type" = .pod ]; then | |
| 145 eval "$pod2roff $man_file | $roff2ascii | $pager" | |
| 146 fi | |
| 147 exit 0 | |
| 148 fi | |
| 149 | |
| 150 # fallback to the man(1) command | |
| 151 MANPATH="$prefix/man:$prefix/local/man:${MANPATH-/usr/man}:/usr/man:/usr/share/man" | |
| 152 export MANPATH | |
| 153 eval "exec man $man_sect $man_page" | |
| 154 |
