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| 6 | PEP, see http://www.python.org/peps/pep-0001.html for instructions and links |
6 | PEP, see http://www.python.org/peps/pep-0001.html for instructions and links |
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| 14 | </head> |
257 | </head> |
| 15 | <body bgcolor="white"> |
258 | <body bgcolor="white"> |
| 16 | <table class="navigation" cellpadding="0" cellspacing="0" |
259 | <table class="navigation" cellpadding="0" cellspacing="0" |
| 17 | width="100%" border="0"> |
260 | width="100%" border="0"> |
| 18 | <tr><td class="navicon" width="150" height="35"> |
261 | <tr><td class="navicon" width="150" height="35"> |
| 19 | <a href="http://www.gentoo.org/" title="Gentoo Linux Home Page"> |
262 | <a href="http://www.gentoo.org/" title="Gentoo Linux Home Page"> |
| 20 | <img src="http://www.gentoo.org/images/gentoo-new.gif" alt="[Gentoo]" |
263 | <img src="http://www.gentoo.org/images/gentoo-new.gif" alt="[Gentoo]" |
| 21 | border="0" width="150" height="35" /></a></td> |
264 | border="0" width="150" height="35" /></a></td> |
| 22 | <td class="textlinks" align="left"> |
265 | <td class="textlinks" align="left"> |
| 23 | [<b><a href="http://www.gentoo.org/">Gentoo Linux Home</a></b>] |
266 | [<b><a href="http://www.gentoo.org/">Gentoo Linux Home</a></b>] |
| 24 | [<b><a href="http://www.gentoo.org/proj/en/glep">GLEP Index</a></b>] |
267 | [<b><a href="http://www.gentoo.org/proj/en/glep/">GLEP Index</a></b>] |
| 25 | [<b><a href="./glep-0035.txt">GLEP Source</a></b>] |
268 | [<b><a href="http://www.gentoo.org/proj/en/glep/glep-0035.txt">GLEP Source</a></b>] |
| 26 | </td></tr></table> |
269 | </td></tr></table> |
| 27 | <div class="document"> |
|
|
| 28 | <table class="rfc2822 field-list" frame="void" rules="none"> |
270 | <table class="rfc2822 docutils field-list" frame="void" rules="none"> |
| 29 | <col class="field-name" /> |
271 | <col class="field-name" /> |
| 30 | <col class="field-body" /> |
272 | <col class="field-body" /> |
| 31 | <tbody valign="top"> |
273 | <tbody valign="top"> |
| 32 | <tr class="field"><th class="field-name">GLEP:</th><td class="field-body">35</td> |
274 | <tr class="field"><th class="field-name">GLEP:</th><td class="field-body">35</td> |
| 33 | </tr> |
275 | </tr> |
| 34 | <tr class="field"><th class="field-name">Title:</th><td class="field-body">Automated consistency check for ebuilds</td> |
276 | <tr class="field"><th class="field-name">Title:</th><td class="field-body">Automated consistency check for ebuilds</td> |
| 35 | </tr> |
277 | </tr> |
| 36 | <tr class="field"><th class="field-name">Version:</th><td class="field-body">1.1</td> |
278 | <tr class="field"><th class="field-name">Version:</th><td class="field-body">1.1</td> |
| 37 | </tr> |
279 | </tr> |
| 38 | <tr class="field"><th class="field-name">Last-Modified:</th><td class="field-body"><a class="reference" href="http://www.gentoo.org/cgi-bin/viewcvs/xml/htdocs/proj/en/glep/glep-0035.txt?cvsroot=gentoo">2005/03/12 20:26:01</a></td> |
280 | <tr class="field"><th class="field-name">Last-Modified:</th><td class="field-body"><a class="reference" href="http://www.gentoo.org/cgi-bin/viewcvs.cgi/xml/htdocs/proj/en/glep/glep-0035.txt?cvsroot=gentoo">2005/03/12 20:26:01</a></td> |
| 39 | </tr> |
281 | </tr> |
| 40 | <tr class="field"><th class="field-name">Author:</th><td class="field-body">Adrian Lambeck <adrian at basicsedv.de>,</td> |
282 | <tr class="field"><th class="field-name">Author:</th><td class="field-body">Adrian Lambeck <adrian at basicsedv.de>,</td> |
| 41 | </tr> |
283 | </tr> |
| 42 | <tr class="field"><th class="field-name">Status:</th><td class="field-body">Draft</td> |
284 | <tr class="field"><th class="field-name">Status:</th><td class="field-body">Draft</td> |
| 43 | </tr> |
285 | </tr> |
| 44 | <tr class="field"><th class="field-name">Type:</th><td class="field-body">Standards Track</td> |
286 | <tr class="field"><th class="field-name">Type:</th><td class="field-body">Standards Track</td> |
| 45 | </tr> |
287 | </tr> |
| 46 | <tr class="field"><th class="field-name">Content-Type:</th><td class="field-body"><a class="reference" href="glep-0012.html">text/x-rst</a></td> |
288 | <tr class="field"><th class="field-name">Content-Type:</th><td class="field-body"><a class="reference" href="glep-0002.html">text/x-rst</a></td> |
| 47 | </tr> |
289 | </tr> |
| 48 | <tr class="field"><th class="field-name">Created:</th><td class="field-body">12-Mar-2005</td> |
290 | <tr class="field"><th class="field-name">Created:</th><td class="field-body">12-Mar-2005</td> |
| 49 | </tr> |
291 | </tr> |
| 50 | <tr class="field"><th class="field-name">Post-History:</th><td class="field-body">12-Mar-2005</td> |
292 | <tr class="field"><th class="field-name">Post-History:</th><td class="field-body">12-Mar-2005</td> |
| 51 | </tr> |
293 | </tr> |
| 52 | </tbody> |
294 | </tbody> |
| 53 | </table> |
295 | </table> |
| 54 | <hr /> |
296 | <hr /> |
| 55 | <div class="contents topic" id="contents"> |
297 | <div class="contents topic"> |
| 56 | <p class="topic-title first"><a name="contents">Contents</a></p> |
298 | <p class="topic-title first"><a id="contents" name="contents">Contents</a></p> |
| 57 | <ul class="simple"> |
299 | <ul class="simple"> |
| 58 | <li><a class="reference" href="#abstract" id="id5" name="id5">Abstract</a></li> |
300 | <li><a class="reference" href="#abstract" id="id5" name="id5">Abstract</a></li> |
| 59 | <li><a class="reference" href="#motivation" id="id6" name="id6">Motivation</a></li> |
301 | <li><a class="reference" href="#motivation" id="id6" name="id6">Motivation</a></li> |
| 60 | <li><a class="reference" href="#specification" id="id7" name="id7">Specification</a></li> |
302 | <li><a class="reference" href="#specification" id="id7" name="id7">Specification</a></li> |
| 61 | <li><a class="reference" href="#implementation" id="id8" name="id8">Implementation</a></li> |
303 | <li><a class="reference" href="#implementation" id="id8" name="id8">Implementation</a></li> |
| 62 | <li><a class="reference" href="#backwards-compatibility" id="id9" name="id9">Backwards Compatibility</a></li> |
304 | <li><a class="reference" href="#backwards-compatibility" id="id9" name="id9">Backwards Compatibility</a></li> |
| 63 | <li><a class="reference" href="#id1" id="id10" name="id10">References</a></li> |
305 | <li><a class="reference" href="#id1" id="id10" name="id10">References</a></li> |
| 64 | </ul> |
306 | </ul> |
| 65 | </div> |
307 | </div> |
| 66 | <div class="section" id="abstract"> |
308 | <div class="section"> |
| 67 | <h1><a class="toc-backref" href="#id5" name="abstract">Abstract</a></h1> |
309 | <h1><a class="toc-backref" href="#id5" id="abstract" name="abstract">Abstract</a></h1> |
| 68 | <p>This proposal is meant to enhance productivity for Gentoo developers. |
310 | <p>This proposal is meant to enhance productivity for Gentoo developers. |
| 69 | It aims to reduce the number of trivial bugs by automatically detecting them |
311 | It aims to reduce the number of trivial bugs by automatically detecting them |
| 70 | through a consistency check that is performed before checking and on a regular |
312 | through a consistency check that is performed before checking and on a regular |
| 71 | basis through the whole tree. |
313 | basis through the whole tree. |
| 72 | Why bother with trivial bugs when automated tests find them ? |
314 | Why bother with trivial bugs when automated tests find them ? |
| 73 | Save time and improve quality !</p> |
315 | Save time and improve quality !</p> |
| 74 | </div> |
316 | </div> |
| 75 | <div class="section" id="motivation"> |
317 | <div class="section"> |
| 76 | <h1><a class="toc-backref" href="#id6" name="motivation">Motivation</a></h1> |
318 | <h1><a class="toc-backref" href="#id6" id="motivation" name="motivation">Motivation</a></h1> |
| 77 | <p>When browsing <a class="reference" href="http://bugs.gentoo.org">bugs.gentoo.org</a> <a class="footnote-reference" href="#id2" id="id3" name="id3">[1]</a> you will find Bugs that take away a good |
319 | <p>When browsing <a class="reference" href="http://bugs.gentoo.org">bugs.gentoo.org</a> <a class="footnote-reference" href="#id2" id="id3" name="id3">[1]</a> you will find Bugs that take away a good |
| 78 | amount of scarce developing time that could be used otherwise. These are |
320 | amount of scarce developing time that could be used otherwise. These are |
| 79 | trivial bugs, i.e. wrong SRC_URI or cycles in DEPEND. Even worst - these bugs |
321 | trivial bugs, i.e. wrong SRC_URI or cycles in DEPEND. Even worst - these bugs |
| 80 | are sometimes reported several times so that they need to be marked as |
322 | are sometimes reported several times so that they need to be marked as |
| 81 | dublicates. Bugs of that kind are easy to find and easy to fix. By using |
323 | dublicates. Bugs of that kind are easy to find and easy to fix. By using |
| … | |
… | |
| 84 | (hopefully) be fewer bugs that need to be checked and assigned and they might |
326 | (hopefully) be fewer bugs that need to be checked and assigned and they might |
| 85 | get fixed faster.</p> |
327 | get fixed faster.</p> |
| 86 | <p>The Bugs found should be kept in an automatically generated list so that users |
328 | <p>The Bugs found should be kept in an automatically generated list so that users |
| 87 | can see that the problem has been caught and that it is being worked on.</p> |
329 | can see that the problem has been caught and that it is being worked on.</p> |
| 88 | </div> |
330 | </div> |
| 89 | <div class="section" id="specification"> |
331 | <div class="section"> |
| 90 | <h1><a class="toc-backref" href="#id7" name="specification">Specification</a></h1> |
332 | <h1><a class="toc-backref" href="#id7" id="specification" name="specification">Specification</a></h1> |
| 91 | <p>Checks need to be performed for every ebuild.</p> |
333 | <p>Checks need to be performed for every ebuild.</p> |
| 92 | <p>A report needs to be generated</p> |
334 | <p>A report needs to be generated</p> |
| 93 | <blockquote> |
335 | <blockquote> |
| 94 | <ul class="simple"> |
336 | <ul class="simple"> |
| 95 | <li>links to the specific problem need to be included</li> |
337 | <li>links to the specific problem need to be included</li> |
| … | |
… | |
| 110 | </blockquote> |
352 | </blockquote> |
| 111 | <p>There might be other checks and tests that should be run |
353 | <p>There might be other checks and tests that should be run |
| 112 | that have not come to my mind yet. Also I might have suggested something that |
354 | that have not come to my mind yet. Also I might have suggested something that |
| 113 | is not useful at all.</p> |
355 | is not useful at all.</p> |
| 114 | <p>If there are major problems (needs to be defined) within an ebuild a possible |
356 | <p>If there are major problems (needs to be defined) within an ebuild a possible |
| 115 | action could be to disable the ebuild (with <tt class="literal"><span class="pre">"-*"</span></tt>,) perhaps, and send a |
357 | action could be to disable the ebuild (with <tt class="docutils literal"><span class="pre">"-*"</span></tt>,) perhaps, and send a |
| 116 | mail to the maintainer.</p> |
358 | mail to the maintainer.</p> |
| 117 | <p>These kind of errors are not always the fault of the developers.</p> |
359 | <p>These kind of errors are not always the fault of the developers.</p> |
| 118 | <p>There should be no compilation or something like that. If an ebuild fails to |
360 | <p>There should be no compilation or something like that. If an ebuild fails to |
| 119 | build somewhere then the user should file it as a bug as usual.</p> |
361 | build somewhere then the user should file it as a bug as usual.</p> |
| 120 | </div> |
362 | </div> |
| 121 | <div class="section" id="implementation"> |
363 | <div class="section"> |
| 122 | <h1><a class="toc-backref" href="#id8" name="implementation">Implementation</a></h1> |
364 | <h1><a class="toc-backref" href="#id8" id="implementation" name="implementation">Implementation</a></h1> |
| 123 | <p>The functionality described could be implemented in three ways:</p> |
365 | <p>The functionality described could be implemented in three ways:</p> |
| 124 | <blockquote> |
366 | <blockquote> |
| 125 | <ol class="arabic"> |
367 | <ol class="arabic"> |
| 126 | <li><dl class="first"> |
368 | <li><dl class="first docutils"> |
| 127 | <dt>On the developers machine ("client") where it is run before checking</dt> |
369 | <dt>On the developers machine ("client") where it is run before checking</dt> |
| 128 | <dd><p class="first last">only for the ebuilds that changed. (client does not fit here because |
370 | <dd><p class="first last">only for the ebuilds that changed. (client does not fit here because |
| 129 | the server and client should not communicate with each other at all)</p> |
371 | the server and client should not communicate with each other at all)</p> |
| 130 | </dd> |
372 | </dd> |
| 131 | </dl> |
373 | </dl> |
| 132 | </li> |
374 | </li> |
| 133 | <li><p class="first">On the server where checks are run, i.e. once a week.</p> |
375 | <li><p class="first">On the server where checks are run, i.e. once a week.</p> |
| … | |
… | |
| 135 | <li><p class="first">On the "client" AND server</p> |
377 | <li><p class="first">On the "client" AND server</p> |
| 136 | </li> |
378 | </li> |
| 137 | </ol> |
379 | </ol> |
| 138 | <p>Of course there are cons and pros (what came to my mind so far)</p> |
380 | <p>Of course there are cons and pros (what came to my mind so far)</p> |
| 139 | <ol class="arabic"> |
381 | <ol class="arabic"> |
| 140 | <li><blockquote class="first"> |
382 | <li><dl class="first docutils"> |
| 141 | <dl> |
|
|
| 142 | <dt>pro: </dt> |
383 | <dt>pro:</dt> |
| 143 | <dd><ul class="first last simple"> |
384 | <dd><ul class="first last simple"> |
| 144 | <li>the tree can not become inconsistent in the first place (? see contra)</li> |
385 | <li>the tree can not become inconsistent in the first place (? see contra)</li> |
| 145 | <li>once an ebuild is checked there is no need to do this again</li> |
386 | <li>once an ebuild is checked there is no need to do this again</li> |
| 146 | <li>no dedicated machine necessary</li> |
387 | <li>no dedicated machine necessary</li> |
| 147 | <li>generate traffic only once on one machine</li> |
388 | <li>generate traffic only once on one machine</li> |
| 148 | <li>errors that are caught here do not bother later on</li> |
389 | <li>errors that are caught here do not bother later on</li> |
| 149 | </ul> |
390 | </ul> |
| 150 | </dd> |
391 | </dd> |
| 151 | <dt>contra:</dt> |
392 | <dt>contra:</dt> |
| 152 | <dd><ul class="first last"> |
393 | <dd><ul class="first last"> |
| 153 | <li><dl class="first"> |
394 | <li><dl class="first docutils"> |
| 154 | <dt>the consistency is based on the tool installed </dt> |
395 | <dt>the consistency is based on the tool installed</dt> |
| 155 | <dd><p class="first last">(what happens when different devs use different versions ?)</p> |
396 | <dd><p class="first last">(what happens when different devs use different versions ?)</p> |
| 156 | </dd> |
397 | </dd> |
| 157 | </dl> |
398 | </dl> |
| 158 | </li> |
399 | </li> |
| 159 | <li><dl class="first"> |
400 | <li><dl class="first docutils"> |
| 160 | <dt>what happens when the ebuild layout changes and some ebuilds</dt> |
401 | <dt>what happens when the ebuild layout changes and some ebuilds</dt> |
| 161 | <dd><p class="first last">do not get updated ?</p> |
402 | <dd><p class="first last">do not get updated ?</p> |
| 162 | </dd> |
403 | </dd> |
| 163 | </dl> |
404 | </dl> |
| 164 | </li> |
405 | </li> |
| 165 | </ul> |
406 | </ul> |
| 166 | </dd> |
407 | </dd> |
| 167 | </dl> |
408 | </dl> |
| 168 | </blockquote> |
|
|
| 169 | </li> |
409 | </li> |
| 170 | <li><blockquote class="first"> |
410 | <li><dl class="first docutils"> |
| 171 | <dl> |
|
|
| 172 | <dt>pro:</dt> |
411 | <dt>pro:</dt> |
| 173 | <dd><ul class="first last simple"> |
412 | <dd><ul class="first last simple"> |
| 174 | <li>Properties of other ebuilds might change that fit while writing an ebuild</li> |
413 | <li>Properties of other ebuilds might change that fit while writing an ebuild</li> |
| 175 | </ul> |
414 | </ul> |
| 176 | </dd> |
415 | </dd> |
| … | |
… | |
| 178 | <dd><ul class="first last"> |
417 | <dd><ul class="first last"> |
| 179 | <li><p class="first">the errors are found when the ebuild is already in CVS</p> |
418 | <li><p class="first">the errors are found when the ebuild is already in CVS</p> |
| 180 | </li> |
419 | </li> |
| 181 | <li><p class="first">the whole tree needs to be checked</p> |
420 | <li><p class="first">the whole tree needs to be checked</p> |
| 182 | </li> |
421 | </li> |
| 183 | <li><dl class="first"> |
422 | <li><dl class="first docutils"> |
| 184 | <dt>possibly creates a lot of traffic on every run</dt> |
423 | <dt>possibly creates a lot of traffic on every run</dt> |
| 185 | <dd><p class="first last">(-> is there an FTP equivalent to HTTP`s HEAD ?)</p> |
424 | <dd><p class="first last">(-> is there an FTP equivalent to HTTP`s HEAD ?)</p> |
| 186 | </dd> |
425 | </dd> |
| 187 | </dl> |
426 | </dl> |
| 188 | </li> |
427 | </li> |
| 189 | </ul> |
428 | </ul> |
| 190 | </dd> |
429 | </dd> |
| 191 | </dl> |
430 | </dl> |
| 192 | </blockquote> |
|
|
| 193 | </li> |
431 | </li> |
| 194 | <li><p class="first">see 1. and 2.</p> |
432 | <li><p class="first">see 1. and 2.</p> |
| 195 | </li> |
433 | </li> |
| 196 | </ol> |
434 | </ol> |
| 197 | </blockquote> |
435 | </blockquote> |
| 198 | <p>My favorite is 3 . All properties are checked before check-in and |
436 | <p>My favorite is 3 . All properties are checked before check-in and |
| 199 | the properties that change might be checked on a regular basis on the server. |
437 | the properties that change might be checked on a regular basis on the server. |
| 200 | Only solution 3 brings the best from 1 and 2 together while delivering the best result.</p> |
438 | Only solution 3 brings the best from 1 and 2 together while delivering the best result.</p> |
| 201 | <p>I never had a look at portage source but I can imagine that there is a library |
439 | <p>I never had a look at portage source but I can imagine that there is a library |
| 202 | that has everything that a developer needs to "query" ebuilds. If not, this |
440 | that has everything that a developer needs to "query" ebuilds. If not, this |
| 203 | would be a reason for another GLEP (?).</p> |
441 | would be a reason for another GLEP (?).</p> |
| 204 | <p>For performance I would use a database (on the server) to store the whole tree before |
442 | <p>For performance I would use a database (on the server) to store the whole tree before |
| 205 | running the checks. This is not necessary for the "client".</p> |
443 | running the checks. This is not necessary for the "client".</p> |
| 206 | </div> |
444 | </div> |
| 207 | <div class="section" id="backwards-compatibility"> |
445 | <div class="section"> |
| 208 | <h1><a class="toc-backref" href="#id9" name="backwards-compatibility">Backwards Compatibility</a></h1> |
446 | <h1><a class="toc-backref" href="#id9" id="backwards-compatibility" name="backwards-compatibility">Backwards Compatibility</a></h1> |
| 209 | <p>Not a problem for this GLEP.</p> |
447 | <p>Not a problem for this GLEP.</p> |
| 210 | </div> |
448 | </div> |
| 211 | <div class="section" id="id1"> |
449 | <div class="section"> |
| 212 | <h1><a class="toc-backref" href="#id10" name="id1">References</a></h1> |
450 | <h1><a class="toc-backref" href="#id10" id="id1" name="id1">References</a></h1> |
| 213 | <table class="footnote" frame="void" id="id2" rules="none"> |
451 | <table class="docutils footnote" frame="void" id="id2" rules="none"> |
| 214 | <colgroup><col class="label" /><col /></colgroup> |
452 | <colgroup><col class="label" /><col /></colgroup> |
| 215 | <tbody valign="top"> |
453 | <tbody valign="top"> |
| 216 | <tr><td class="label"><a name="id2">[1]</a></td><td><em>(<a class="fn-backref" href="#id3">1</a>, <a class="fn-backref" href="#id4">2</a>)</em> <a class="reference" href="http://bugs.gentoo.org">http://bugs.gentoo.org</a></td></tr> |
454 | <tr><td class="label"><a name="id2">[1]</a></td><td><em>(<a class="fn-backref" href="#id3">1</a>, <a class="fn-backref" href="#id4">2</a>)</em> <a class="reference" href="http://bugs.gentoo.org">http://bugs.gentoo.org</a></td></tr> |
| 217 | </tbody> |
455 | </tbody> |
| 218 | </table> |
456 | </table> |
| 219 | </div> |
457 | </div> |
| 220 | </div> |
|
|
| 221 | |
458 | |
|
|
459 | </div> |
|
|
460 | <div class="footer"> |
| 222 | <hr class="footer" /> |
461 | <hr class="footer" /> |
| 223 | <div class="footer"> |
|
|
| 224 | <a class="reference" href="glep-0035.txt">View document source</a>. |
462 | <a class="reference" href="glep-0035.txt">View document source</a>. |
| 225 | Generated on: 2005-03-12 20:26 UTC. |
463 | Generated on: 2006-10-10 20:23 UTC. |
| 226 | Generated by <a class="reference" href="http://docutils.sourceforge.net/">Docutils</a> from <a class="reference" href="http://docutils.sourceforge.net/rst.html">reStructuredText</a> source. |
464 | Generated by <a class="reference" href="http://docutils.sourceforge.net/">Docutils</a> from <a class="reference" href="http://docutils.sourceforge.net/rst.html">reStructuredText</a> source. |
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465 | |
| 227 | </div> |
466 | </div> |
| 228 | </body> |
467 | </body> |
| 229 | </html> |
468 | </html> |
| 230 | |
469 | |