comparison: openpkg/openpkg.sh
openpkg/openpkg.sh
- changeset 36
- 88242dc55a66
- child 428
- f880f219c566
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| 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 ## | |
| 27 | |
| 28 ## | |
| 29 ## command line parsing | |
| 30 ## | |
| 31 | |
| 32 # command line options defaults | |
| 33 opt_prefix="" | |
| 34 opt_tools="" | |
| 35 opt_version=no | |
| 36 opt_help=no | |
| 37 | |
| 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 \"${0} --help\" for list of valid options" 1>&2; exit 1 ;; | |
| 52 * ) break ;; | |
| 53 esac | |
| 54 done | |
| 55 | |
| 56 ## | |
| 57 ## determine OpenPKG locations | |
| 58 ## | |
| 59 | |
| 60 # determine path to OpenPKG instance | |
| 61 openpkg_prefix="@l_prefix@" | |
| 62 if [ ".${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 \"${openpkg_prefix}\"" 1>&2 | |
| 77 exit 1 | |
| 78 fi | |
| 79 | |
| 80 # allow convenient all-in-one specification of OpenPKG Tool Chain locations | |
| 81 # (assuming the filesystem layout of an uninstalled OpenPKG Tool Chain) | |
| 82 openpkg_tools="${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 | |
| 94 | |
| 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 "${cmdpath}" | sed -e 's/::/:/g' -e 's/^://' -e 's/:$//'` | |
| 110 | |
| 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 "${apipath}" | sed -e 's/::/:/g' -e 's/^://' -e 's/:$//'` | |
| 122 | |
| 123 ## | |
| 124 ## execute stand-alone option commands in advance | |
| 125 ## | |
| 126 | |
| 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 " \$ ${openpkg_prefix}/bin/openpkg [<option> ...] \\" | |
| 141 echo " <command> [<command-option> ...] [<command-argument> ...]" | |
| 142 echo "" | |
| 143 echo "where <option> is one of the following global options:" | |
| 144 echo " -p, --prefix sets the OpenPKG instance prefix (also: \${OPENPKG_PREFIX})" | |
| 145 echo " -t, --tools sets the OpenPKG tool chain prefix (also: \${OPENPKG_TOOLS})" | |
| 146 echo " -v, --version display OpenPKG version/release" | |
| 147 echo " -h, --help display this usage help message" | |
| 148 echo "" | |
| 149 echo "where <command> is one of the following commands:" | |
| 150 echo " rpm (provided by bootstrap package)" | |
| 151 echo " rpmbuild (provided by bootstrap package)" | |
| 152 echo " rpm2cpio (provided by bootstrap package)" | |
| 153 echo " rpm-config (provided by bootstrap package)" | |
| 154 echo " uuid (provided by bootstrap package)" | |
| 155 echo " rc (provided by bootstrap package)" | |
| 156 echo " lsync (provided by bootstrap package)" | |
| 157 echo " man (provided by bootstrap package)" | |
| 158 # install command intentionally left out in above display! | |
| 159 | |
| 160 # dynamically figure out add-on commands | |
| 161 for cmd in rpm rpmbuild rpm2cpio rpm-config uuid rc lsync man install; do | |
| 162 id=`echo "${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 \"${openpkg_prefix}/bin/openpkg man <command>\" for more details." | |
| 191 echo "" | |
| 192 exit 0 | |
| 193 fi | |
| 194 | |
| 195 # implement stand-alone "--version" option | |
| 196 if [ ".${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 | |
| 202 | |
| 203 ## | |
| 204 ## determine command details and execute command appropriately | |
| 205 ## | |
| 206 | |
| 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 | |
| 213 | |
| 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}" | |
| 223 | |
| 224 # skip (currently) not existing directory | |
| 225 if [ ! -d ${dir} ]; then | |
| 226 continue | |
| 227 fi | |
| 228 | |
| 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 | |
| 264 | |
| 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}" | |
| 281 | |
| 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 | |
| 290 | |
| 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};"` | |
| 296 | |
| 297 # execute command | |
| 298 eval "exec ${cmd_shell} ${cmd_path} \${1+\"\$@\"}" | |
| 299 |
