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>Managing the Package Repository</TITLE
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><DIV
CLASS="CHAPTER"
><H1
><A
NAME="MANAGING-PACKAGE-REPOSITORY">Chapter 29. Managing the Package Repository</H1
><DIV
CLASS="TOC"
><DL
><DT
><B
>Table of Contents</B
></DT
><DT
><A
HREF="managing-package-repository.html#PACKAGE-INSTALLATION"
>Package Installation</A
></DT
><DT
><A
HREF="package-structure.html"
>Package Structure</A
></DT
></DL
></DIV
><P
>A source distribution of <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> consists of a number of
        packages, such as the kernel, the C library, and the
        &micro;ITRON subsystems. These are
        individually versioned in the tree structure of the source
        code, to support distribution on a per-package basis and to
        support third party packages whose versioning systems might be
        different. The <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> <SPAN
CLASS="APPLICATION"
>Package
          Administration Tool</SPAN
> is used to manage the
        installation and removal of packages from a variety of sources
        with potentially multiple versions.</P
><P
>The presence of the version information in the source tree
        structure might be a hindrance to the use of a separate source
        control system such as <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>CVS</I
></SPAN
> or
        <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>SourceSafe</I
></SPAN
>. To work
        in this way, you can rename all the version components to some
        common name (such as &#8220;current&#8221;) thus unifying the
        structure of source trees from distinct <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> releases.</P
><P
>The <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> build system will treat any such name as just another
version of the package(s), and support building in exactly the same
way. However, performing this rename invalidates any existing build
trees that referred to the versioned source tree, so do the rename
first, before any other work, and do a complete rebuild afterwards.</P
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="PACKAGE-INSTALLATION">Package Installation</H1
><P
>Package installation and removal is performed using the
          <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> <SPAN
CLASS="APPLICATION"
>Package Administration Tool</SPAN
>. This
          tool is a Tcl script named
        <B
CLASS="COMMAND"
>ecosadmin.tcl</B
> which allows
          the user to add new <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> packages and new versions of
          existing packages to an <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> repository. Such packages must
          be distributed as a single file in the <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> package
          distribution format. Unwanted packages may also be removed
          from the repository using this tool. A graphical version of
          the tool is provided as part of the
          <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> <SPAN
CLASS="APPLICATION"
>Configuration Tool</SPAN
>.</P
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN3071">Using the Administration Tool</H2
><P
>The graphical
version of the <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> <SPAN
CLASS="APPLICATION"
>Package
Administration Tool</SPAN
>, provided as part of the
<SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> <SPAN
CLASS="APPLICATION"
>Configuration
Tool</SPAN
>, provides functions equivalent to the command-line
version for those who prefer a Windows-based interface.</P
><P
>It may be invoked in one of two ways:</P
><P
></P
><UL
><LI
><P
>from the <SPAN
CLASS="GUIMENU"
>start menu</SPAN
> (by default
                <SPAN
CLASS="GUIMENUITEM"
>Start-&gt;Programs-&gt;
                  eCos-&gt;Package Administration
                  Tool</SPAN
>)</P
></LI
><LI
><P
>from the <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> <SPAN
CLASS="APPLICATION"
>Configuration
                  Tool</SPAN
> via the
                <SPAN
CLASS="GUIMENUITEM"
>Tools-&gt;Administration</SPAN
>
                menu item</P
></LI
></UL
><P
><P
><IMG
SRC="pix/admin.png"></P
></P
><P
>The main window of the tool displays the packages which are
currently installed in the form of a tree. The installed versions
of each package may be examined by expanding the tree.</P
><P
>Packages may be added to the <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> repository by clicking on
the <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Add</I
></SPAN
> button. The <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> package distribution
file to be added is then selected via a <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>File Open</I
></SPAN
> dialog
box.</P
><P
>Packages may be removed by selecting a package in the tree
and then clicking on the <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Remove</I
></SPAN
> button. If
a package node is selected, all versions of the selected package
will be removed. If a package version node is selected, only the
selected version of the package will be removed.</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN3099">Using the command line</H2
><P
>The <B
CLASS="COMMAND"
>ecosadmin.tcl</B
>
            script is located in the base of the <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> repository. Use
            a command of the following form under versions of
            UNIX:</P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>$ tclsh ecosadmin.tcl &lt;command&gt;</PRE
></TD
></TR
></TABLE
><P
>Under Windows, a command of the following form may be used
at the Cygwin command line prompt:</P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>$ cygtclsh80 ecosadmin.tcl &lt;command&gt;</PRE
></TD
></TR
></TABLE
><P
>The following commands are available:</P
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><B
CLASS="COMMAND"
>add &lt;file&gt;</B
></DT
><DD
><P
>Adds the packages contained with the specified package distribution
file to the <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> repository and updates the package database accordingly.
By convention, <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> package distribution files are given the <TT
CLASS="FILENAME"
>.epk</TT
> suffix.</P
></DD
><DT
><B
CLASS="COMMAND"
>remove &lt;package&gt; [ --version=&lt;version&gt; ]</B
></DT
><DD
><P
>Removes the specified package from the <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
>
                  repository and updates the package database
                  accordingly. Where the optional version qualifier is
                  used, only the specified version of the package is
                  removed.</P
></DD
><DT
><B
CLASS="COMMAND"
>list</B
></DT
><DD
><P
>Produces a list of the packages which
                  are currently installed and their versions. The
                  available templates and hardware targets are also
                  listed.</P
></DD
></DL
></DIV
><P
>Note that is is possible to remove critical packages
            such as the common HAL package using this tool. Users
            should take care to avoid such errors since core <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
>
            packages may only be re-installed in the context of a
            complete re-installation of <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
>.</P
></DIV
></DIV
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1	28	unneback	`<!-- Copyright (C) 2003 Red Hat, Inc. -->`
2			`<!-- This material may be distributed only subject to the terms -->`
3			`<!-- and conditions set forth in the Open Publication License, v1.0 -->`
4			`<!-- or later (the latest version is presently available at -->`
5			`<!-- http://www.opencontent.org/openpub/). -->`
6			`<!-- Distribution of the work or derivative of the work in any -->`
7			`<!-- standard (paper) book form is prohibited unless prior -->`
8			`<!-- permission is obtained from the copyright holder. -->`
9			`<HTML`
10			`><HEAD`
11			`><TITLE`
12			`>Managing the Package Repository</TITLE`
13			`><meta name="MSSmartTagsPreventParsing" content="TRUE">`
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15			`NAME="GENERATOR"`
16			`CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+`
17			`"><LINK`
18			`REL="HOME"`
19			`TITLE="eCos User Guide"`
20			`HREF="ecos-user-guide.html"><LINK`
21			`REL="UP"`
22			`TITLE="Configuration and the Package Repository"`
23			`HREF="configuration-and-the-package-repository.html"><LINK`
24			`REL="PREVIOUS"`
25			`TITLE="Modifying the Memory Layout"`
26			`HREF="modifying-the-memory-layout.html"><LINK`
27			`REL="NEXT"`
28			`TITLE="Package Structure"`
29			`HREF="package-structure.html"></HEAD`
30			`><BODY`
31			`CLASS="CHAPTER"`
32			`BGCOLOR="#FFFFFF"`
33			`TEXT="#000000"`
34			`LINK="#0000FF"`
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40			`SUMMARY="Header navigation table"`
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43			`CELLPADDING="0"`
44			`CELLSPACING="0"`
45			`><TR`
46			`><TH`
47			`COLSPAN="3"`
48			`ALIGN="center"`
49			`>eCos User Guide</TH`
50			`></TR`
51			`><TR`
52			`><TD`
53			`WIDTH="10%"`
54			`ALIGN="left"`
55			`VALIGN="bottom"`
56			`><A`
57			`HREF="modifying-the-memory-layout.html"`
58			`ACCESSKEY="P"`
59			`>Prev</A`
60			`></TD`
61			`><TD`
62			`WIDTH="80%"`
63			`ALIGN="center"`
64			`VALIGN="bottom"`
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66			`><TD`
67			`WIDTH="10%"`
68			`ALIGN="right"`
69			`VALIGN="bottom"`
70			`><A`
71			`HREF="package-structure.html"`
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73			`>Next</A`
74			`></TD`
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76			`></TABLE`
77			`><HR`
78			`ALIGN="LEFT"`
79			`WIDTH="100%"></DIV`
80			`><DIV`
81			`CLASS="CHAPTER"`
82			`><H1`
83			`><A`
84			`NAME="MANAGING-PACKAGE-REPOSITORY">Chapter 29. Managing the Package Repository</H1`
85			`><DIV`
86			`CLASS="TOC"`
87			`><DL`
88			`><DT`
89			`><B`
90			`>Table of Contents</B`
91			`></DT`
92			`><DT`
93			`><A`
94			`HREF="managing-package-repository.html#PACKAGE-INSTALLATION"`
95			`>Package Installation</A`
96			`></DT`
97			`><DT`
98			`><A`
99			`HREF="package-structure.html"`
100			`>Package Structure</A`
101			`></DT`
102			`></DL`
103			`></DIV`
104			`><P`
105			`>A source distribution of <SPAN`
106			`CLASS="PRODUCTNAME"`
107			`>eCos</SPAN`
108			`> consists of a number of`
109			`packages, such as the kernel, the C library, and the`
110			`µITRON subsystems. These are`
111			`individually versioned in the tree structure of the source`
112			`code, to support distribution on a per-package basis and to`
113			`support third party packages whose versioning systems might be`
114			`different. The <SPAN`
115			`CLASS="PRODUCTNAME"`
116			`>eCos</SPAN`
117			`> <SPAN`
118			`CLASS="APPLICATION"`
119			`>Package`
120			`Administration Tool</SPAN`
121			`> is used to manage the`
122			`installation and removal of packages from a variety of sources`
123			`with potentially multiple versions.</P`
124			`><P`
125			`>The presence of the version information in the source tree`
126			`structure might be a hindrance to the use of a separate source`
127			`control system such as <SPAN`
128			`CLASS="emphasis"`
129			`><I`
130			`CLASS="EMPHASIS"`
131			`>CVS</I`
132			`></SPAN`
133			`> or`
134			`<SPAN`
135			`CLASS="emphasis"`
136			`><I`
137			`CLASS="EMPHASIS"`
138			`>SourceSafe</I`
139			`></SPAN`
140			`>. To work`
141			`in this way, you can rename all the version components to some`
142			`common name (such as “current”) thus unifying the`
143			`structure of source trees from distinct <SPAN`
144			`CLASS="PRODUCTNAME"`
145			`>eCos</SPAN`
146			`> releases.</P`
147			`><P`
148			`>The <SPAN`
149			`CLASS="PRODUCTNAME"`
150			`>eCos</SPAN`
151			`> build system will treat any such name as just another`
152			`version of the package(s), and support building in exactly the same`
153			`way. However, performing this rename invalidates any existing build`
154			`trees that referred to the versioned source tree, so do the rename`
155			`first, before any other work, and do a complete rebuild afterwards.</P`
156			`><DIV`
157			`CLASS="SECT1"`
158			`><H1`
159			`CLASS="SECT1"`
160			`><A`
161			`NAME="PACKAGE-INSTALLATION">Package Installation</H1`
162			`><P`
163			`>Package installation and removal is performed using the`
164			`<SPAN`
165			`CLASS="PRODUCTNAME"`
166			`>eCos</SPAN`
167			`> <SPAN`
168			`CLASS="APPLICATION"`
169			`>Package Administration Tool</SPAN`
170			`>. This`
171			`tool is a Tcl script named`
172			`<B`
173			`CLASS="COMMAND"`
174			`>ecosadmin.tcl</B`
175			`> which allows`
176			`the user to add new <SPAN`
177			`CLASS="PRODUCTNAME"`
178			`>eCos</SPAN`
179			`> packages and new versions of`
180			`existing packages to an <SPAN`
181			`CLASS="PRODUCTNAME"`
182			`>eCos</SPAN`
183			`> repository. Such packages must`
184			`be distributed as a single file in the <SPAN`
185			`CLASS="PRODUCTNAME"`
186			`>eCos</SPAN`
187			`> package`
188			`distribution format. Unwanted packages may also be removed`
189			`from the repository using this tool. A graphical version of`
190			`the tool is provided as part of the`
191			`<SPAN`
192			`CLASS="PRODUCTNAME"`
193			`>eCos</SPAN`
194			`> <SPAN`
195			`CLASS="APPLICATION"`
196			`>Configuration Tool</SPAN`
197			`>.</P`
198			`><DIV`
199			`CLASS="SECT2"`
200			`><H2`
201			`CLASS="SECT2"`
202			`><A`
203			`NAME="AEN3071">Using the Administration Tool</H2`
204			`><P`
205			`>The graphical`
206			`version of the <SPAN`
207			`CLASS="PRODUCTNAME"`
208			`>eCos</SPAN`
209			`> <SPAN`
210			`CLASS="APPLICATION"`
211			`>Package`
212			`Administration Tool</SPAN`
213			`>, provided as part of the`
214			`<SPAN`
215			`CLASS="PRODUCTNAME"`
216			`>eCos</SPAN`
217			`> <SPAN`
218			`CLASS="APPLICATION"`
219			`>Configuration`
220			`Tool</SPAN`
221			`>, provides functions equivalent to the command-line`
222			`version for those who prefer a Windows-based interface.</P`
223			`><P`
224			`>It may be invoked in one of two ways:</P`
225			`><P`
226			`></P`
227			`><UL`
228			`><LI`
229			`><P`
230			`>from the <SPAN`
231			`CLASS="GUIMENU"`
232			`>start menu</SPAN`
233			`> (by default`
234			`<SPAN`
235			`CLASS="GUIMENUITEM"`
236			`>Start->Programs->`
237			`eCos->Package Administration`
238			`Tool</SPAN`
239			`>)</P`
240			`></LI`
241			`><LI`
242			`><P`
243			`>from the <SPAN`
244			`CLASS="PRODUCTNAME"`
245			`>eCos</SPAN`
246			`> <SPAN`
247			`CLASS="APPLICATION"`
248			`>Configuration`
249			`Tool</SPAN`
250			`> via the`
251			`<SPAN`
252			`CLASS="GUIMENUITEM"`
253			`>Tools->Administration</SPAN`
254			`>`
255			`menu item</P`
256			`></LI`
257			`></UL`
258			`><P`
259			`><P`
260			`><IMG`
261			`SRC="pix/admin.png"></P`
262			`></P`
263			`><P`
264			`>The main window of the tool displays the packages which are`
265			`currently installed in the form of a tree. The installed versions`
266			`of each package may be examined by expanding the tree.</P`
267			`><P`
268			`>Packages may be added to the <SPAN`
269			`CLASS="PRODUCTNAME"`
270			`>eCos</SPAN`
271			`> repository by clicking on`
272			`the <SPAN`
273			`CLASS="emphasis"`
274			`><I`
275			`CLASS="EMPHASIS"`
276			`>Add</I`
277			`></SPAN`
278			`> button. The <SPAN`
279			`CLASS="PRODUCTNAME"`
280			`>eCos</SPAN`
281			`> package distribution`
282			`file to be added is then selected via a <SPAN`
283			`CLASS="emphasis"`
284			`><I`
285			`CLASS="EMPHASIS"`
286			`>File Open</I`
287			`></SPAN`
288			`> dialog`
289			`box.</P`
290			`><P`
291			`>Packages may be removed by selecting a package in the tree`
292			`and then clicking on the <SPAN`
293			`CLASS="emphasis"`
294			`><I`
295			`CLASS="EMPHASIS"`
296			`>Remove</I`
297			`></SPAN`
298			`> button. If`
299			`a package node is selected, all versions of the selected package`
300			`will be removed. If a package version node is selected, only the`
301			`selected version of the package will be removed.</P`
302			`></DIV`
303			`><DIV`
304			`CLASS="SECT2"`
305			`><H2`
306			`CLASS="SECT2"`
307			`><A`
308			`NAME="AEN3099">Using the command line</H2`
309			`><P`
310			`>The <B`
311			`CLASS="COMMAND"`
312			`>ecosadmin.tcl</B`
313			`>`
314			`script is located in the base of the <SPAN`
315			`CLASS="PRODUCTNAME"`
316			`>eCos</SPAN`
317			`> repository. Use`
318			`a command of the following form under versions of`
319			`UNIX:</P`
320			`><TABLE`
321			`BORDER="5"`
322			`BGCOLOR="#E0E0F0"`
323			`WIDTH="70%"`
324			`><TR`
325			`><TD`
326			`><PRE`
327			`CLASS="SCREEN"`
328			`>$ tclsh ecosadmin.tcl <command></PRE`
329			`></TD`
330			`></TR`
331			`></TABLE`
332			`><P`
333			`>Under Windows, a command of the following form may be used`
334			`at the Cygwin command line prompt:</P`
335			`><TABLE`
336			`BORDER="5"`
337			`BGCOLOR="#E0E0F0"`
338			`WIDTH="70%"`
339			`><TR`
340			`><TD`
341			`><PRE`
342			`CLASS="SCREEN"`
343			`>$ cygtclsh80 ecosadmin.tcl <command></PRE`
344			`></TD`
345			`></TR`
346			`></TABLE`
347			`><P`
348			`>The following commands are available:</P`
349			`><P`
350			`></P`
351			`><DIV`
352			`CLASS="VARIABLELIST"`
353			`><DL`
354			`><DT`
355			`><B`
356			`CLASS="COMMAND"`
357			`>add <file></B`
358			`></DT`
359			`><DD`
360			`><P`
361			`>Adds the packages contained with the specified package distribution`
362			`file to the <SPAN`
363			`CLASS="PRODUCTNAME"`
364			`>eCos</SPAN`
365			`> repository and updates the package database accordingly.`
366			`By convention, <SPAN`
367			`CLASS="PRODUCTNAME"`
368			`>eCos</SPAN`
369			`> package distribution files are given the <TT`
370			`CLASS="FILENAME"`
371			`>.epk</TT`
372			`> suffix.</P`
373			`></DD`
374			`><DT`
375			`><B`
376			`CLASS="COMMAND"`
377			`>remove <package> [ --version=<version> ]</B`
378			`></DT`
379			`><DD`
380			`><P`
381			`>Removes the specified package from the <SPAN`
382			`CLASS="PRODUCTNAME"`
383			`>eCos</SPAN`
384			`>`
385			`repository and updates the package database`
386			`accordingly. Where the optional version qualifier is`
387			`used, only the specified version of the package is`
388			`removed.</P`
389			`></DD`
390			`><DT`
391			`><B`
392			`CLASS="COMMAND"`
393			`>list</B`
394			`></DT`
395			`><DD`
396			`><P`
397			`>Produces a list of the packages which`
398			`are currently installed and their versions. The`
399			`available templates and hardware targets are also`
400			`listed.</P`
401			`></DD`
402			`></DL`
403			`></DIV`
404			`><P`
405			`>Note that is is possible to remove critical packages`
406			`such as the common HAL package using this tool. Users`
407			`should take care to avoid such errors since core <SPAN`
408			`CLASS="PRODUCTNAME"`
409			`>eCos</SPAN`
410			`>`
411			`packages may only be re-installed in the context of a`
412			`complete re-installation of <SPAN`
413			`CLASS="PRODUCTNAME"`
414			`>eCos</SPAN`
415			`>.</P`
416			`></DIV`
417			`></DIV`
418			`></DIV`
419			`><DIV`
420			`CLASS="NAVFOOTER"`
421			`><HR`
422			`ALIGN="LEFT"`
423			`WIDTH="100%"><TABLE`
424			`SUMMARY="Footer navigation table"`
425			`WIDTH="100%"`
426			`BORDER="0"`
427			`CELLPADDING="0"`
428			`CELLSPACING="0"`
429			`><TR`
430			`><TD`
431			`WIDTH="33%"`
432			`ALIGN="left"`
433			`VALIGN="top"`
434			`><A`
435			`HREF="modifying-the-memory-layout.html"`
436			`ACCESSKEY="P"`
437			`>Prev</A`
438			`></TD`
439			`><TD`
440			`WIDTH="34%"`
441			`ALIGN="center"`
442			`VALIGN="top"`
443			`><A`
444			`HREF="ecos-user-guide.html"`
445			`ACCESSKEY="H"`
446			`>Home</A`
447			`></TD`
448			`><TD`
449			`WIDTH="33%"`
450			`ALIGN="right"`
451			`VALIGN="top"`
452			`><A`
453			`HREF="package-structure.html"`
454			`ACCESSKEY="N"`
455			`>Next</A`
456			`></TD`
457			`></TR`
458			`><TR`
459			`><TD`
460			`WIDTH="33%"`
461			`ALIGN="left"`
462			`VALIGN="top"`
463			`>Modifying the Memory Layout</TD`
464			`><TD`
465			`WIDTH="34%"`
466			`ALIGN="center"`
467			`VALIGN="top"`
468			`><A`
469			`HREF="configuration-and-the-package-repository.html"`
470			`ACCESSKEY="U"`
471			`>Up</A`
472			`></TD`
473			`><TD`
474			`WIDTH="33%"`
475			`ALIGN="right"`
476			`VALIGN="top"`
477			`>Package Structure</TD`
478			`></TR`
479			`></TABLE`
480			`></DIV`
481			`></BODY`
482			`></HTML`
483			`>`

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