OpenPKG Specs: openpkg/openpkg.sh@9ef907fab3b7

     1 #!@l_prefix@/lib/openpkg/bash

     2 ##

     3 ##  openpkg -- OpenPKG Tool Chain

     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 ##  openpkg.sh: Execution Frontend (Language: Bourne-Shell)

    26 ##

    28 ##

    29 ##  command line parsing

    30 ##

    32 #   command line options defaults

    33 opt_prefix=""

    34 opt_tools=""

    35 opt_version=no

    36 opt_help=no

    38 #   process command line options by iterating over arguments

    39 for opt

    40 do

    41     case "${opt}" in

    42         -*=*) arg=`echo "${opt}" | sed 's/^[-_a-zA-Z0-9]*=//'` ;;

    43            *) arg='' ;;

    44     esac

    45     case "${opt}" in

    46         -v|--version ) opt_version=yes;     shift ;;

    47         -h|--help    ) opt_help=yes;        shift ;;

    48         --prefix=*   ) opt_prefix="${arg}"; shift ;;

    49         --tools=*    ) opt_tools="${arg}";  shift ;;

    50         -* ) echo "openpkg:ERROR: Invalid command-line option \"${opt}\"." 1>&2

    51              echo "openpkg:ERROR: Run \"${0} --help\" for list of valid options" 1>&2; exit 1 ;;

    52         *  ) break ;;

    53     esac

    54 done

    56 ##

    57 ##  determine OpenPKG locations

    58 ##

    60 #   determine path to OpenPKG instance

    61 openpkg_prefix="@l_prefix@"

    62 if [ ".${OPENPKG_PREFIX}" != . ]; then

    63     openpkg_prefix="${OPENPKG_PREFIX}"

    64 fi

    65 if [ ".${opt_prefix}" != . ]; then

    66     openpkg_prefix="${opt_prefix}"

    67 fi

    68 if [ -x "${openpkg_prefix}/bin/openpkg" -a -x "${openpkg_prefix}/libexec/openpkg/rpm" ]; then

    69     #   OpenPKG 2.0 and higher

    70     true

    71 elif [ -f "${openpkg_prefix}/bin/rpm" -a -x "${openpkg_prefix}/lib/openpkg/rpm" ]; then

    72     #   OpenPKG 1.x

    73     echo "openpkg:ERROR: OpenPKG 1.x instance found under \"${openpkg_prefix}\" (not supported)" 1>&2

    74     exit 1

    75 else

    76     echo "openpkg:ERROR: no OpenPKG instance found under \"${openpkg_prefix}\"" 1>&2

    77     exit 1

    78 fi

    80 #   allow convenient all-in-one specification of OpenPKG Tool Chain locations

    81 #   (assuming the filesystem layout of an uninstalled OpenPKG Tool Chain)

    82 openpkg_tools="${OPENPKG_TOOLS}"

    83 openpkg_tools_cmdpath="${OPENPKG_TOOLS_CMDPATH}"

    84 openpkg_tools_apipath="${OPENPKG_TOOLS_APIPATH}"

    85 if [ ".${opt_tool}" != . ]; then

    86     openpkg_tools="${opt_tools}"

    87 fi

    88 if [ ".${openpkg_tools}" != . -a ".${openpkg_tools_cmdpath}" = . ]; then

    89     openpkg_tools_cmdpath="${openpkg_tools}/cmd:@"

    90 fi

    91 if [ ".${openpkg_tools}" != . -a ".${openpkg_tools_apipath}" = . ]; then

    92     openpkg_tools_apipath="${openpkg_tools}/api:@"

    93 fi

    95 #   determine path to OpenPKG Tool Chain commands

    96 cmdpath="${openpkg_prefix}/libexec/openpkg"

    97 if [ -d "${openpkg_prefix}/libexec/openpkg-tools" ]; then

    98     #   openpkg-tools package overrides

    99     cmdpath="${openpkg_prefix}/libexec/openpkg-tools:${cmdpath}"

   100 fi

   101 if [ -d "${openpkg_prefix}/libexec/openpkg-audit" ]; then

   102     #   openpkg-audit package overrides

   103     cmdpath="${openpkg_prefix}/libexec/openpkg-audit:${cmdpath}"

   104 fi

   105 if [ ".${openpkg_tools_cmdpath}" != . ]; then

   106     #   user supplied path overrides

   107     cmdpath=`echo "${openpkg_tools_cmdpath}" | sed -e "s;@;${cmdpath};"`

   108 fi

   109 openpkg_tools_cmdpath=`echo "${cmdpath}" | sed -e 's/::/:/g' -e 's/^://' -e 's/:$//'`

   111 #   determine path to OpenPKG Tool Chain API

   112 apipath=""

   113 if [ -d "${openpkg_prefix}/lib/openpkg-tools" ]; then

   114     #   openpkg-tools package overrides

   115     apipath="${openpkg_prefix}/lib/openpkg-tools:${apipath}"

   116 fi

   117 if [ ".${openpkg_tools_apipath}" != . ]; then

   118     #   user supplied path overrides

   119     apipath=`echo "${openpkg_tools_apipath}" | sed -e "s;@;${apipath};"`

   120 fi

   121 openpkg_tools_apipath=`echo "${apipath}" | sed -e 's/::/:/g' -e 's/^://' -e 's/:$//'`

   123 ##

   124 ##  execute stand-alone option commands in advance

   125 ##

   127 #   implement stand-alone "--help" option

   128 if [ ".${opt_help}" = .yes ]; then

   129     release=`${openpkg_prefix}/libexec/openpkg/rpm --eval '%{l_openpkg_release}'`

   130     echo ""

   131     echo "This is ${release} <http://www.openpkg.org/>"

   132     echo "Cross-Platform Unix Software Packaging Facility"

   133     echo ""

   134     echo "Copyright (c) 2000-2007 OpenPKG Foundation e.V. <http://openpkg.net/>"

   135     echo "Copyright (c) 2000-2007 Ralf S. Engelschall <http://engelschall.com/>"

   136     echo ""

   137     echo "The command \"${openpkg_prefix}/bin/openpkg\" is the official command-line"

   138     echo "execution frontend of the OpenPKG tool chain. Its usage is:"

   139     echo ""

   140     echo "  \$ ${openpkg_prefix}/bin/openpkg [<option> ...] \\"

   141     echo "     <command> [<command-option> ...] [<command-argument> ...]"

   142     echo ""

   143     echo "where <option> is one of the following global options:"

   144     echo "  -p, --prefix    sets the OpenPKG instance prefix   (also: \${OPENPKG_PREFIX})"

   145     echo "  -t, --tools     sets the OpenPKG tool chain prefix (also: \${OPENPKG_TOOLS})"

   146     echo "  -v, --version   display OpenPKG version/release"

   147     echo "  -h, --help      display this usage help message"

   148     echo ""

   149     echo "where <command> is one of the following commands:"

   150     echo "  rpm             (provided by bootstrap package)"

   151     echo "  rpmbuild        (provided by bootstrap package)"

   152     echo "  rpm2cpio        (provided by bootstrap package)"

   153     echo "  rpm-config      (provided by bootstrap package)"

   154     echo "  uuid            (provided by bootstrap package)"

   155     echo "  rc              (provided by bootstrap package)"

   156     echo "  lsync           (provided by bootstrap package)"

   157     echo "  man             (provided by bootstrap package)"

   158     #   install command intentionally left out in above display!

   160     #   dynamically figure out add-on commands

   161     for cmd in rpm rpmbuild rpm2cpio rpm-config uuid rc lsync man install; do

   162         id=`echo "${cmd}" | sed -e 's/-/_/g'`

   163         eval "__cmd_seen_${id}=yes"

   164     done

   165     OIFS="${IFS}"; IFS=":"

   166     for dir in ${openpkg_tools_cmdpath}; do

   167         IFS="${OIFS}"

   168         if [ ! -d ${dir} ]; then

   169             continue

   170         fi

   171         for cmd in `cd ${dir} 2>/dev/null && echo *`; do

   172             name=`echo "${cmd}" | sed -e 's/\.sh$//' -e 's/\.pl$//' \

   173                  -e 's/^/X/' -e 's/^X\([a-z][a-zA-Z0-9_-]*\)$/\1/' -e 's/^X.*$//'`

   174             if [ ".${name}" != . ]; then

   175                 if [ -f ${dir}/${cmd} ]; then

   176                     id=`echo "${name}" | sed -e 's/-/_/g'`

   177                     eval "seen=\$__cmd_seen_${id}"

   178                     if [ ".${seen}" != .yes ]; then

   179                         echo "${name}" | awk '{ printf("  %-15s (provided by add-on package)\n", $0); }'

   180                         eval "__cmd_seen_${id}=yes"

   181                     fi

   182                 fi

   183             fi

   184         done

   185     done

   186     IFS="${OIFS}"

   187     echo ""

   188     echo "where <command-option> and <command-argument> are <command> specific"

   189     echo "options and arguments. Run \"${openpkg_prefix}/bin/openpkg <command> --help\""

   190     echo "and \"${openpkg_prefix}/bin/openpkg man <command>\" for more details."

   191     echo ""

   192     exit 0

   193 fi

   195 #   implement stand-alone "--version" option

   196 if [ ".${opt_version}" = .yes ]; then

   197     release=`${openpkg_prefix}/libexec/openpkg/rpm --eval '%{l_openpkg_release}'`

   198     version=`${openpkg_prefix}/libexec/openpkg/rpm -q --qf '%{version}' openpkg`

   199     echo "${release} (${version})"

   200     exit 0

   201 fi

   203 ##

   204 ##  determine command details and execute command appropriately

   205 ##

   207 #   command line sanity check

   208 if [ ${#} -eq 0 ]; then

   209     echo "openpkg:ERROR: Invalid command-line arguments." 1>&2

   210     echo "openpkg:ERROR: Run \"${openpkg_prefix}/bin/openpkg --help\" for list of valid arguments." 1>&2

   211     exit 1

   212 fi

   214 #   search command by iterating over all command directories

   215 cmd="${1}"

   216 shift

   217 cmd_path=""

   218 cmd_shell=""

   219 cmd_stack="${OPENPKG_TOOLS_CMDSTACK}"

   220 OIFS="${IFS}"; IFS=":"

   221 for dir in ${openpkg_tools_cmdpath}; do

   222     IFS="${OIFS}"

   224     #   skip (currently) not existing directory

   225     if [ ! -d ${dir} ]; then

   226         continue

   227     fi

   229     #   check for various command implementations

   230     if [ -x ${dir}/${cmd} ]; then

   231         #   found executable stand-alone binary

   232         cmd_path="${dir}/${cmd}"

   233         cmd_shell=""

   234     elif [ -f ${dir}/${cmd}.sh ]; then

   235         #   found non-executable Bourne-Shell script

   236         cmd_path="${dir}/${cmd}.sh"

   237         cmd_shell="${openpkg_prefix}/lib/openpkg/bash"

   238     elif [ -f ${dir}/${cmd}.pl ]; then

   239         #   found non-executable Perl script

   240         cmd_path="${dir}/${cmd}.pl"

   241         if [ -x ${openpkg_prefix}/bin/perl ]; then

   242             cmd_shell="${openpkg_prefix}/bin/perl"

   243         else

   244             cmd_shell=`${openpkg_prefix}/lib/openpkg/shtool path -p "$PATH:$openpkg_prefix/lib/openpkg" -m perl 2>&1`

   245             if [ ".${cmd_shell}" = . ]; then

   246                 echo "openpkg:ERROR: No Perl interpreter found in \${PATH}" 1>&2

   247                 exit 1

   248             fi

   249         fi

   250         #   provide Perl module include path(s) to API

   251         OIFS="${IFS}"; IFS=":"

   252         for dir2 in ${openpkg_tools_apipath}; do

   253             IFS="${OIFS}"

   254             if [ ! -d ${dir2} ]; then

   255                 continue

   256             fi

   257             cmd_shell="${cmd_shell} -I${dir2}"

   258         done

   259         IFS="${OIFS}"

   260     else

   261         #   command not found, continue searching

   262         continue

   263     fi

   265     #   check whether to use this found command or to continue searching

   266     #   for next command implementation in sequence (in order to support

   267     #   flexible nested command wrapping)

   268     cmd_last=`echo "${cmd_stack}" | sed -e 's;:.*$;;'`

   269     if [ ".${cmd_last}" = ".${cmd}" ]; then

   270         #   we were last command on stack, so pop us from call

   271         #   stack and continue searching for next implementation

   272         cmd_stack=`echo "${cmd_stack}" | sed -e 's;^[^:][^:]*:*;;'`

   273         continue

   274     else

   275         #   last command on stack was different, so stop

   276         #   searching because we found the implementation

   277         break

   278     fi

   279 done

   280 IFS="${OIFS}"

   282 #   sanity check search result

   283 if [ ".${cmd_path}" = . ]; then

   284     echo "openpkg:ERROR: No such command \"${cmd}\" found in command path" 1>&2

   285     echo "openpkg:ERROR: (${openpkg_tools_cmdpath})." 1>&2

   286     echo "openpkg:ERROR: Set \${OPENPKG_TOOLS_CMDPATH} appropriately." 1>&2

   287     echo "openpkg:ERROR: Run \"${openpkg_prefix}/bin/openpkg --help\" for list of valid commands." 1>&2

   288     exit 1

   289 fi

   291 #   export essential run-time information to command

   292 export OPENPKG_PREFIX="$openpkg_prefix"

   293 export OPENPKG_TOOLS_CMDPROG="${0}"

   294 export OPENPKG_TOOLS_CMDNAME="${cmd}"

   295 export OPENPKG_TOOLS_CMDSTACK=`echo "${OPENPKG_TOOLS_CMDSTACK}" | sed -e 's;^\(.\);:\1;' -e "s;^;${cmd};"`

   297 #   execute command

   298 eval "exec ${cmd_shell} ${cmd_path} \${1+\"\$@\"}"

OpenPKG Specs / file revision

openpkg/openpkg.sh@9ef907fab3b7

openpkg/openpkg.sh