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| 123 .rm #[ #] #H #V #F C | |
| 124 .\" ======================================================================== | |
| 125 .\" | |
| 126 .IX Title "MAKEPROXY 8" | |
| 127 .TH MAKEPROXY 8 "OpenPKG" "MAKEPROXY(8)" "OpenPKG" | |
| 128 .\" For nroff, turn off justification. Always turn off hyphenation; it makes | |
| 129 .\" way too many mistakes in technical documents. | |
| 130 .if n .ad l | |
| 131 .nh | |
| 132 .SH "NAME" | |
| 133 openpkg makeproxy \-\- Make Proxy OpenPKG RPM Package | |
| 134 .SH "SYNOPSIS" | |
| 135 .IX Header "SYNOPSIS" | |
| 136 \&\fBopenpkg makeproxy\fR | |
| 137 [\fB\-h\fR|\fB\-\-help\fR] | |
| 138 [\fB\-V\fR|\fB\-\-version\fR] | |
| 139 [\fB\-d\fR|\fB\-\-debug\fR] | |
| 140 [\fB\-v\fR|\fB\-\-verbose\fR] | |
| 141 [\fB\-m\fR|\fB\-\-master\fR \fImaster-prefix\fR] | |
| 142 [\fB\-s\fR|\fB\-\-slave\fR \fIslave-prefix\fR] | |
| 143 [\fB\-t\fR|\fB\-\-tmpdir\fR \fIdirectory\fR] | |
| 144 [\fB\-o\fR|\fB\-\-output\fR \fIdirectory\fR|\fIslave-package-file\fR|\f(CW\*(C`\-\*(C'\fR] | |
| 145 [\fImaster-package-name\fR|\fImaster-package-file\fR|\f(CW\*(C`\-\*(C'\fR] | |
| 146 .SH "DESCRIPTION" | |
| 147 .IX Header "DESCRIPTION" | |
| 148 \&\fBopenpkg makeproxy\fR creates a \fIproxy\fR binary \fBOpenPKG\fR \s-1RPM\s0 package | |
| 149 for a \fIslave\fR \fBOpenPKG\fR instance by emulating a regular binary | |
| 150 \&\fBOpenPKG\fR \s-1RPM\s0 package from a \fImaster\fR \fBOpenPKG\fR instance. | |
| 151 .PP | |
| 152 A proxy package contains (virtually) the same contents as the regular | |
| 153 package, but in the form of a shadow tree. Such a shadow tree consists | |
| 154 of the same physical directory structure but with all files replaced by | |
| 155 symbolic links pointing to the regular files in the master \fBOpenPKG\fR | |
| 156 instance. | |
| 157 .PP | |
| 158 A proxy package is useful if multiple closely related \fBOpenPKG\fR | |
| 159 instances are installed on the same system. In this case lots of | |
| 160 dependent (and this way required, although not explicitly wanted) | |
| 161 packages have to be installed in \fIevery\fR \fBOpenPKG\fR instance. Think | |
| 162 about packages like \fBopenssl\fR, \fBperl\fR, \fBgcc\fR, etc. This can be both | |
| 163 very time-consuming and become a maintenance nightmare on upgrades. | |
| 164 Instead, you can select a master \fBOpenPKG\fR instance, install those | |
| 165 regular packages physically there only and install simple proxy packages | |
| 166 for them in all other slave \fBOpenPKG\fR instances. | |
| 167 .PP | |
| 168 Keep in mind that this obviously works correctly for packages which | |
| 169 do \fInot\fR have hard-coded dependencies to their \fBOpenPKG\fR instance | |
| 170 (configuration files, etc). For other packages it might also work, | |
| 171 but be at least be warned about side-effects! Additionally, make sure | |
| 172 you always keep proxy packages in sync with the regular package by | |
| 173 recreating the proxy packages after the regular packages have changed. | |
| 174 .SH "SHADOW TREE" | |
| 175 .IX Header "SHADOW TREE" | |
| 176 The shadow tree of a proxy package \fBname\fR contain the following three | |
| 177 types of paths: | |
| 178 .IP "\fIslave-prefix\fR[/\fIdir\fR]" 4 | |
| 179 .IX Item "slave-prefix[/dir]" | |
| 180 This is a physical directory for the slave \fBOpenPKG\fR instance, exactly | |
| 181 as it exists in the regular package of the master \fBOpenPKG\fR instance. | |
| 182 .ie n .IP "\fIslave-prefix\fR[/\fIdir\fR]/\fIfile\fR \-> \fIrevdir\fR\*(C`/.prefix\-\*(C'\fBfoo\fR[/\fIdir\fR]/\fIfile\fR" 4 | |
| 183 .el .IP "\fIslave-prefix\fR[/\fIdir\fR]/\fIfile\fR \-> \fIrevdir\fR\f(CW\*(C`/.prefix\-\*(C'\fR\fBfoo\fR[/\fIdir\fR]/\fIfile\fR" 4 | |
| 184 .IX Item "slave-prefix[/dir]/file -> revdir/.prefix-foo[/dir]/file" | |
| 185 This is a virtual file (symbolic link) for the slave \fBOpenPKG\fR | |
| 186 instance, indirectly pointing to the corresponding file of the regular | |
| 187 package in the master \fBOpenPKG\fR instance. The \fIrevdir\fR is a reverse | |
| 188 path corresponding to \fIdir\fR, i.e., for each sub-directory step in | |
| 189 \&\fIdir\fR it contains a "\f(CW\*(C`../\*(C'\fR" parent directory step. | |
| 190 .ie n .IP "\fIslave-prefix\fR\*(C`/.prefix\-\*(C'\fBfoo\fR \-> \fImaster-prefix\fR" 4 | |
| 191 .el .IP "\fIslave-prefix\fR\f(CW\*(C`/.prefix\-\*(C'\fR\fBfoo\fR \-> \fImaster-prefix\fR" 4 | |
| 192 .IX Item "slave-prefix/.prefix-foo -> master-prefix" | |
| 193 This is a virtual file (symbolic link) for the slave \fBOpenPKG\fR | |
| 194 instance, directly pointing to the prefix of the master \fBOpenPKG\fR | |
| 195 instance. This allows one to redirect a whole package to | |
| 196 a different \fBOpenPKG\fR instance by manually changing the | |
| 197 \&\fIslave-prefix\fR\f(CW\*(C`/.prefix\-\*(C'\fR\fBfoo\fR symbolic link. The idea is that this | |
| 198 link even could be automatically controlled by a higher-level facility. | |
| 199 .SH "OPTIONS" | |
| 200 .IX Header "OPTIONS" | |
| 201 The following command line options and arguments are supported: | |
| 202 .IP "\fB\-h\fR, \fB\-\-help\fR" 4 | |
| 203 .IX Item "-h, --help" | |
| 204 Print the usage message and immediately exit. | |
| 205 .IP "\fB\-V\fR, \fB\-\-version\fR" 4 | |
| 206 .IX Item "-V, --version" | |
| 207 Print program version. | |
| 208 .IP "\fB\-v\fR, \fB\-\-verbose\fR" 4 | |
| 209 .IX Item "-v, --verbose" | |
| 210 Enable printing of verbose messages on \fIstderr\fR summarizing the internal processing. | |
| 211 .IP "\fB\-d\fR, \fB\-\-debug\fR" 4 | |
| 212 .IX Item "-d, --debug" | |
| 213 Enable printing of debug messages on \fIstderr\fR showing the executed shell commands. | |
| 214 .IP "\fB\-m\fR, \fB\-\-master\fR \fImaster-prefix\fR" 4 | |
| 215 .IX Item "-m, --master master-prefix" | |
| 216 Set the filesystem path prefix of the \fImaster\fR \fBOpenPKG\fR instance. | |
| 217 If not specified, the prefix is determined from the master package. | |
| 218 .IP "\fB\-s\fR, \fB\-\-slave\fR \fIslave-prefix\fR" 4 | |
| 219 .IX Item "-s, --slave slave-prefix" | |
| 220 Set the filesystem path prefix of the \fIslave\fR \fBOpenPKG\fR instance. | |
| 221 If not specified, the prefix defaults to the prefix of | |
| 222 the \fBOpenPKG\fR instance the \f(CW\*(C`openpkg makeproxy\*(C'\fR command is run from. | |
| 223 .IP "\fB\-t\fR, \fB\-\-tmpdir\fR \fIdirectory\fR" 4 | |
| 224 .IX Item "-t, --tmpdir directory" | |
| 225 Set a particular temporary directory. The default is \f(CW$TMPDIR\fR or | |
| 226 \&\f(CW\*(C`/tmp\*(C'\fR (in that order). | |
| 227 .ie n .IP "\fB\-o\fR, \fB\-\-output\fR \fIdirectory\fR|\fIslave-package-file\fR|\*(C`\-\*(C'" 4 | |
| 228 .el .IP "\fB\-o\fR, \fB\-\-output\fR \fIdirectory\fR|\fIslave-package-file\fR|\f(CW\*(C`\-\*(C'\fR" 4 | |
| 229 .IX Item "-o, --output directory|slave-package-file|-" | |
| 230 Set the location where to write the output proxy \s-1RPM\s0 package for the | |
| 231 slave \fBOpenPKG\fR instance. The argument "\f(CW\*(C`\-\*(C'\fR" indicates that the output | |
| 232 proxy \s-1RPM\s0 package is written to \fIstdout\fR. The default is "\f(CW\*(C`.\*(C'\fR" (the | |
| 233 current working directory). If the output location is a directory and | |
| 234 the regular \s-1RPM\s0 package of the master \fBOpenPKG\fR instance is named | |
| 235 "\fIname\fR\f(CW\*(C`\-\*(C'\fR\fIversion\fR\f(CW\*(C`\-\*(C'\fR\fIrelease\fR\f(CW\*(C`.\*(C'\fR\fIarch\fR\f(CW\*(C`\-\*(C'\fR\fIos\fR\f(CW\*(C`\-\*(C'\fR\fItag1\fR\f(CW\*(C`.rp | |
| 236 m\*(C'\fR\*(L", then the output proxy \s-1RPM\s0 package is named | |
| 237 \&\*(R"\fIname\fR\f(CW\*(C`\-\*(C'\fR\fIversion\fR\f(CW\*(C`\-\*(C'\fR\fIrelease\fR\f(CW\*(C`+PROXY\*(C'\fR\f(CW\*(C`.\*(C'\fR\fIarch\fR\f(CW\*(C`\-\*(C'\fR\fIos\fR\f(CW\*(C`\-\*(C'\fR\fIt | |
| 238 ag2\fR\f(CW\*(C`.rpm\*(C'\fR" in the output directory (\fItag1\fR and \fItag2\fR are the tags | |
| 239 of the master and slave \fBOpenPKG\fR instances). | |
| 240 .ie n .IP "\fImaster-package-file\fR|\*(C`\-\*(C'" 4 | |
| 241 .el .IP "\fImaster-package-file\fR|\f(CW\*(C`\-\*(C'\fR" 4 | |
| 242 .IX Item "master-package-file|-" | |
| 243 Set the location where to read the input regular \s-1RPM\s0 package. The | |
| 244 special argument "\f(CW\*(C`\-\*(C'\fR" indicates that the input regular \s-1RPM\s0 package is | |
| 245 read from \fIstdin\fR (the default). | |
| 246 .SH "EXAMPLE" | |
| 247 .IX Header "EXAMPLE" | |
| 248 Assume you have three \fBOpenPKG\fR instances on a system: \f(CW\*(C`/usr/opkg\*(C'\fR | |
| 249 (the master instance), \f(CW\*(C`/v/foo/sw\*(C'\fR (a project instance) and \f(CW\*(C`/v/bar/sw\*(C'\fR | |
| 250 (another project instance). Now let us install the \fBOpenPKG\fR \fBbash\fR package in | |
| 251 all three locations, but only once physically. | |
| 252 .PP | |
| 253 .Vb 5 | |
| 254 \& # build and install regular binary RPM package for /usr/opkg | |
| 255 \& $ /usr/opkg/bin/openpkg rpm \-\-rebuild \e | |
| 256 \& bash\-3.1.17\-20060622.src.rpm | |
| 257 \& $ /usr/opkg/bin/openpkg rpm \-Uvh \e | |
| 258 \& /usr/opkg/RPM/PKG/bash\-3.1.17\-20060622.*.rpm | |
| 259 \& | |
| 260 \& # build and install proxy RPM package for /v/foo/sw | |
| 261 \& # (using the regular binary RPM package of /usr/opkg) | |
| 262 \& $ /v/foo/sw/bin/openpkg makeproxy \-\-output=/v/foo/RPM/PKG/ \e | |
| 263 \& /usr/opkg/RPM/PKG/bash\-3.1.17\-20060622.*.rpm | |
| 264 \& $ /v/foo/sw/bin/openpkg rpm \-Uvh \e | |
| 265 \& /v/foo/RPM/PKG/bash\-3.1.17\-20060622+PROXY.*.rpm | |
| 266 \& | |
| 267 \& # build and install proxy RPM package for /v/bar/sw | |
| 268 \& # (using the installed package of /usr/opkg) | |
| 269 \& $ /v/bar/sw/bin/openpkg makeproxy \-\-output=/v/bar/RPM/PKG/ \e | |
| 270 \& \-\-master=/usr/opkg bash | |
| 271 \& $ /v/bar/sw/bin/openpkg rpm \-Uvh \e | |
| 272 \& /v/bar/RPM/PKG/bash\-3.1.17\-20060622+PROXY.*.rpm | |
| 273 .Ve | |
| 274 .SH "SEE ALSO" | |
| 275 .IX Header "SEE ALSO" | |
| 276 \&\fBOpenPKG\fR http://www.openpkg.org/, | |
| 277 \&\fBopenpkg rpm\fR, \fIln\fR\|(1). | |
| 278 .SH "HISTORY" | |
| 279 .IX Header "HISTORY" | |
| 280 \&\fBopenpkg makeproxy\fR was developed in February 2002 by Ralf S. | |
| 281 Engelschall <rse@engelschall.com> for the \fBOpenPKG\fR | |
| 282 project after an idea for virtual packages by Thomas Lotterer | |
| 283 <thomas@lotterer.net>. The implementation was completely | |
| 284 worked off in August 2006. | |
| 285 .SH "AUTHOR" | |
| 286 .IX Header "AUTHOR" | |
| 287 .Vb 3 | |
| 288 \& Ralf S. Engelschall | |
| 289 \& rse@engelschall.com | |
| 290 \& www.engelschall.com | |
| 291 .Ve |
