diff options
author | Robert P. J. Day <rpjday@crashcourse.ca> | 2014-06-18 14:25:40 +0300 |
---|---|---|
committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2014-06-18 13:48:39 +0100 |
commit | 5b1c329804f9f3fadcc46452390f537052ff7d0e (patch) | |
tree | 5b5235937c811663998995acaca1913a9d6905d7 /bitbake/doc/bitbake-user-manual/bitbake-user-manual-fetching.xml | |
parent | 8be77bb03f74ffce650d97e6fd663c47e5f38c92 (diff) | |
download | poky-5b1c329804f9f3fadcc46452390f537052ff7d0e.tar.gz |
bitbake: bitbake-user-manual-fetching.xml: Grammar, typo, and tweaks.
Various grammatical and typo tweaks all in fetching chapter, including
moving CVS section after wget section for more logical content flow.
(Bitbake rev: 39bbc8f82894ca521d35645cd618dd131fde38ef)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'bitbake/doc/bitbake-user-manual/bitbake-user-manual-fetching.xml')
-rw-r--r-- | bitbake/doc/bitbake-user-manual/bitbake-user-manual-fetching.xml | 94 |
1 files changed, 48 insertions, 46 deletions
diff --git a/bitbake/doc/bitbake-user-manual/bitbake-user-manual-fetching.xml b/bitbake/doc/bitbake-user-manual/bitbake-user-manual-fetching.xml index 42a1db0902..09207b9fd5 100644 --- a/bitbake/doc/bitbake-user-manual/bitbake-user-manual-fetching.xml +++ b/bitbake/doc/bitbake-user-manual/bitbake-user-manual-fetching.xml | |||
@@ -8,14 +8,14 @@ | |||
8 | BitBake's fetch module is a standalone piece of library code | 8 | BitBake's fetch module is a standalone piece of library code |
9 | that deals with the intricacies of downloading source code | 9 | that deals with the intricacies of downloading source code |
10 | and files from remote systems. | 10 | and files from remote systems. |
11 | Fetching source code is one of the corner stones of building software. | 11 | Fetching source code is one of the cornerstones of building software. |
12 | As such, this module forms an important part of BitBake. | 12 | As such, this module forms an important part of BitBake. |
13 | </para> | 13 | </para> |
14 | 14 | ||
15 | <para> | 15 | <para> |
16 | The current fetch module is called "fetch2" and refers to the | 16 | The current fetch module is called "fetch2" and refers to the |
17 | fact that it is the second major version of the API. | 17 | fact that it is the second major version of the API. |
18 | The original version is obsolete and removed from the codebase. | 18 | The original version is obsolete and has been removed from the codebase. |
19 | Thus, in all cases, "fetch" refers to "fetch2" in this | 19 | Thus, in all cases, "fetch" refers to "fetch2" in this |
20 | manual. | 20 | manual. |
21 | </para> | 21 | </para> |
@@ -60,17 +60,19 @@ | |||
60 | <note> | 60 | <note> |
61 | For convenience, the naming in these examples matches | 61 | For convenience, the naming in these examples matches |
62 | the variables used by OpenEmbedded. | 62 | the variables used by OpenEmbedded. |
63 | If you want to see the above code in action, examine | ||
64 | the OpenEmbedded class file <filename>base.bbclass</filename>. | ||
63 | </note> | 65 | </note> |
64 | The <filename>SRC_URI</filename> and <filename>WORKDIR</filename> | 66 | The <filename>SRC_URI</filename> and <filename>WORKDIR</filename> |
65 | variables are not coded into the fetcher. | 67 | variables are not hardcoded into the fetcher, since those fetcher |
66 | They variables can (and are) called with different variable names. | 68 | methods can be (and are) called with different variable names. |
67 | In OpenEmbedded for example, the shared state (sstate) code uses | 69 | In OpenEmbedded for example, the shared state (sstate) code uses |
68 | the fetch module to fetch the sstate files. | 70 | the fetch module to fetch the sstate files. |
69 | </para> | 71 | </para> |
70 | 72 | ||
71 | <para> | 73 | <para> |
72 | When the <filename>download()</filename> method is called, | 74 | When the <filename>download()</filename> method is called, |
73 | BitBake tries to fulfill the URLs by looking for source files | 75 | BitBake tries to resolve the URLs by looking for source files |
74 | in a specific search order: | 76 | in a specific search order: |
75 | <itemizedlist> | 77 | <itemizedlist> |
76 | <listitem><para><emphasis>Pre-mirror Sites:</emphasis> | 78 | <listitem><para><emphasis>Pre-mirror Sites:</emphasis> |
@@ -84,7 +86,7 @@ | |||
84 | <filename>SRC_URI</filename>). | 86 | <filename>SRC_URI</filename>). |
85 | </para></listitem> | 87 | </para></listitem> |
86 | <listitem><para><emphasis>Mirror Sites:</emphasis> | 88 | <listitem><para><emphasis>Mirror Sites:</emphasis> |
87 | If fetch failures occur, BitBake next uses mirror location as | 89 | If fetch failures occur, BitBake next uses mirror locations as |
88 | defined by the | 90 | defined by the |
89 | <link linkend='var-MIRRORS'><filename>MIRRORS</filename></link> | 91 | <link linkend='var-MIRRORS'><filename>MIRRORS</filename></link> |
90 | variable. | 92 | variable. |
@@ -149,7 +151,7 @@ | |||
149 | <para> | 151 | <para> |
150 | File integrity is of key importance for reproducing builds. | 152 | File integrity is of key importance for reproducing builds. |
151 | For non-local archive downloads, the fetcher code can verify | 153 | For non-local archive downloads, the fetcher code can verify |
152 | sha256 and md5 checksums to ensure the archives have been | 154 | SHA-256 and MD5 checksums to ensure the archives have been |
153 | downloaded correctly. | 155 | downloaded correctly. |
154 | You can specify these checksums by using the | 156 | You can specify these checksums by using the |
155 | <filename>SRC_URI</filename> variable with the appropriate | 157 | <filename>SRC_URI</filename> variable with the appropriate |
@@ -260,8 +262,8 @@ | |||
260 | <para> | 262 | <para> |
261 | This submodule handles URLs that begin with | 263 | This submodule handles URLs that begin with |
262 | <filename>file://</filename>. | 264 | <filename>file://</filename>. |
263 | The filename you specify with in the URL can | 265 | The filename you specify within the URL can be |
264 | either be an absolute or relative path to a file. | 266 | either an absolute or relative path to a file. |
265 | If the filename is relative, the contents of the | 267 | If the filename is relative, the contents of the |
266 | <link linkend='var-FILESPATH'><filename>FILESPATH</filename></link> | 268 | <link linkend='var-FILESPATH'><filename>FILESPATH</filename></link> |
267 | variable is used in the same way | 269 | variable is used in the same way |
@@ -286,15 +288,45 @@ | |||
286 | </para> | 288 | </para> |
287 | 289 | ||
288 | <para> | 290 | <para> |
289 | Here are some example URLs: | 291 | Here are a couple example URLs, the first relative and |
292 | the second absolute: | ||
290 | <literallayout class='monospaced'> | 293 | <literallayout class='monospaced'> |
291 | SRC_URI = "file://relativefile.patch" | 294 | SRC_URI = "file://relativefile.patch" |
292 | SRC_URI = "file://relativefile.patch;this=ignored" | ||
293 | SRC_URI = "file:///Users/ich/very_important_software" | 295 | SRC_URI = "file:///Users/ich/very_important_software" |
294 | </literallayout> | 296 | </literallayout> |
295 | </para> | 297 | </para> |
296 | </section> | 298 | </section> |
297 | 299 | ||
300 | <section id='http-ftp-fetcher'> | ||
301 | <title>HTTP/FTP wget fetcher (<filename>http://</filename>, <filename>ftp://</filename>, <filename>https://</filename>)</title> | ||
302 | |||
303 | <para> | ||
304 | This fetcher obtains files from web and FTP servers. | ||
305 | Internally, the fetcher uses the wget utility. | ||
306 | </para> | ||
307 | |||
308 | <para> | ||
309 | The executable and parameters used are specified by the | ||
310 | <filename>FETCHCMD_wget</filename> variable, which defaults | ||
311 | to sensible values. | ||
312 | The fetcher supports a parameter "downloadfilename" that | ||
313 | allows the name of the downloaded file to be specified. | ||
314 | Specifying the name of the downloaded file is useful | ||
315 | for avoiding collisions in | ||
316 | <link linkend='var-DL_DIR'><filename>DL_DIR</filename></link> | ||
317 | when dealing with multiple files that have the same name. | ||
318 | </para> | ||
319 | |||
320 | <para> | ||
321 | Some example URLs are as follows: | ||
322 | <literallayout class='monospaced'> | ||
323 | SRC_URI = "http://oe.handhelds.org/not_there.aac" | ||
324 | SRC_URI = "ftp://oe.handhelds.org/not_there_as_well.aac" | ||
325 | SRC_URI = "ftp://you@oe.handhelds.org/home/you/secret.plan" | ||
326 | </literallayout> | ||
327 | </para> | ||
328 | </section> | ||
329 | |||
298 | <section id='cvs-fetcher'> | 330 | <section id='cvs-fetcher'> |
299 | <title>CVS fetcher (<filename>(cvs://</filename>)</title> | 331 | <title>CVS fetcher (<filename>(cvs://</filename>)</title> |
300 | 332 | ||
@@ -334,7 +366,7 @@ | |||
334 | The supported parameters are as follows: | 366 | The supported parameters are as follows: |
335 | <itemizedlist> | 367 | <itemizedlist> |
336 | <listitem><para><emphasis>"method":</emphasis> | 368 | <listitem><para><emphasis>"method":</emphasis> |
337 | The protocol over which to communicate with the cvs server. | 369 | The protocol over which to communicate with the CVS server. |
338 | By default, this protocol is "pserver". | 370 | By default, this protocol is "pserver". |
339 | If "method" is set to "ext", BitBake examines the | 371 | If "method" is set to "ext", BitBake examines the |
340 | "rsh" parameter and sets <filename>CVS_RSH</filename>. | 372 | "rsh" parameter and sets <filename>CVS_RSH</filename>. |
@@ -394,36 +426,6 @@ | |||
394 | </para> | 426 | </para> |
395 | </section> | 427 | </section> |
396 | 428 | ||
397 | <section id='http-ftp-fetcher'> | ||
398 | <title>HTTP/FTP wget fetcher (<filename>http://</filename>, <filename>ftp://</filename>, <filename>https://</filename>)</title> | ||
399 | |||
400 | <para> | ||
401 | This fetcher obtains files from web and FTP servers. | ||
402 | Internally, the fetcher uses the wget utility. | ||
403 | </para> | ||
404 | |||
405 | <para> | ||
406 | The executable and parameters used are specified by the | ||
407 | <filename>FETCHCMD_wget</filename> variable, which defaults | ||
408 | to a sensible values. | ||
409 | The fetcher supports a parameter "downloadfilename" that | ||
410 | allows the name of the downloaded file to be specified. | ||
411 | Specifying the name of the downloaded file is useful | ||
412 | for avoiding collisions in | ||
413 | <link linkend='var-DL_DIR'><filename>DL_DIR</filename></link> | ||
414 | when dealing with multiple files that have the same name. | ||
415 | </para> | ||
416 | |||
417 | <para> | ||
418 | Some example URLs are as follows: | ||
419 | <literallayout class='monospaced'> | ||
420 | SRC_URI = "http://oe.handhelds.org/not_there.aac" | ||
421 | SRC_URI = "ftp://oe.handhelds.org/not_there_as_well.aac" | ||
422 | SRC_URI = "ftp://you@oe.handheld.sorg/home/you/secret.plan" | ||
423 | </literallayout> | ||
424 | </para> | ||
425 | </section> | ||
426 | |||
427 | <section id='svn-fetcher'> | 429 | <section id='svn-fetcher'> |
428 | <title>Subversion (SVN) Fetcher (<filename>svn://</filename>)</title> | 430 | <title>Subversion (SVN) Fetcher (<filename>svn://</filename>)</title> |
429 | 431 | ||
@@ -476,14 +478,14 @@ | |||
476 | </section> | 478 | </section> |
477 | 479 | ||
478 | <section id='git-fetcher'> | 480 | <section id='git-fetcher'> |
479 | <title>GIT Fetcher (<filename>git://</filename>)</title> | 481 | <title>Git Fetcher (<filename>git://</filename>)</title> |
480 | 482 | ||
481 | <para> | 483 | <para> |
482 | This fetcher submodule fetches code from the Git | 484 | This fetcher submodule fetches code from the Git |
483 | source control system. | 485 | source control system. |
484 | The fetcher works by creating a bare clone of the | 486 | The fetcher works by creating a bare clone of the |
485 | remote into <filename>GITDIR</filename>, which is | 487 | remote into <filename>GITDIR</filename>, which is |
486 | usually <filename>DL_DIR/git</filename>. | 488 | usually <filename>DL_DIR/git2</filename>. |
487 | This bare clone is then cloned into the work directory during the | 489 | This bare clone is then cloned into the work directory during the |
488 | unpack stage when a specific tree is checked out. | 490 | unpack stage when a specific tree is checked out. |
489 | This is done using alternates and by reference to | 491 | This is done using alternates and by reference to |
@@ -571,7 +573,7 @@ | |||
571 | </section> | 573 | </section> |
572 | 574 | ||
573 | <section id='gitsm-fetcher'> | 575 | <section id='gitsm-fetcher'> |
574 | <title>GIT Submodule Fetcher (<filename>gitsm://</filename>)</title> | 576 | <title>Git Submodule Fetcher (<filename>gitsm://</filename>)</title> |
575 | 577 | ||
576 | <para> | 578 | <para> |
577 | This fetcher submodule inherits from the | 579 | This fetcher submodule inherits from the |
@@ -579,7 +581,7 @@ | |||
579 | that fetcher's behavior by fetching a repository's submodules. | 581 | that fetcher's behavior by fetching a repository's submodules. |
580 | <link linkend='var-SRC_URI'><filename>SRC_URI</filename></link> | 582 | <link linkend='var-SRC_URI'><filename>SRC_URI</filename></link> |
581 | is passed to the Git fetcher as described in the | 583 | is passed to the Git fetcher as described in the |
582 | "<link linkend='git-fetcher'>GIT Fetcher (<filename>git://</filename>)</link>" | 584 | "<link linkend='git-fetcher'>Git Fetcher (<filename>git://</filename>)</link>" |
583 | section. | 585 | section. |
584 | <note> | 586 | <note> |
585 | <title>Notes and Warnings</title> | 587 | <title>Notes and Warnings</title> |