Multipkg - A fork of unipkg

Unfortunately, about a month or two ago, the terrible truth dawned upon me - not every GNU/Linux user uses Arch Linux.
Because of this, when packaging software, you have to bundle packages for Ubuntu, Fedora, and most of the other major flavours of GNU/Linux as well.
However, after discovering unipkg, I decided to modify it to give it much more functionality.
AUR Link
unipkg really is just a modified version of makepkg. Because I currently don't know how to make a man page, here's a nice list of what I've added to makepkg 3.4.1, or unipkg 1.0:
--forcearch <architecture> - This enables you to force a certain architecture to be written to the package even if it is not your own package. It is the maintainer's responsibility to ensure that this actually compiles for that architecture by modifying the PKGBUILD and makefiles to compile for that architecture (generally intended for 64-bit systems).
--nobuild - This does not run the build function when building a package. Useful when you've already built the files for a package but want to use them in multiple packages. When -f is used alongside this option, the pkg/ directory will not be deleted.
-P <extension> - This changes the file extension for the package (used in unipkg).
Currently, .deb and .lzm are supported. I'm working on .rpm, but for now, it isn't finished, and will result in an error if you choose it.
Several variables were also added to PKGBUILD:
bugsurl - The URL of a bug tracker.
pkglongdesc - Description for the package (multi-line description; note that periods on blank lines will automatically be added for Debian packages).
debsection - The section that the package belongs into - for debian packages.
debpriority - The priority of the package - for debian packages.
deboriginal - Original package - for debian packages.
debtags - Tags for the package - for debian packages.
debsrcpkg - A source package that the package originated from - for debian packages.
debdepends - Dependencies for debian packages.
debpredepends - Pre-dependencies (required for the pre-installation script) for debian packages.
debrecommends - Shows a warning if packages are not installed when the package is installed - for debian packages.
debsuggests - Optional dependencies for debian packages.
debconflicts - Conflicting packages for debian packages.
debreplaces - Replacements for debian packages.
debprovides - Provided packages for debian packages.
debpreinst - Pre-installation script for debian packages.
debprerm - Pre-removal script for debian packages.
debpostinst - Post-installation script for debian packages.
debpostrm - Post-removal script for debian packages.
rpmgroup - Group that the package is in - for RPM packages.
lzmpostinst - Post-installation script for slackware packages.
Something to note is that automatically, architectures will be converted to i386 and amd64 when building Debian packages. I'll probably change this later, however, these are the architectures that Ubuntu uses.
I'm trying to figure out RPM's format so that I don't have to use the official tools from the AUR, but I might eventually give up and use them. The site doesn't explain it very well.
Any suggestions are welcome.
Last edited by RetroX (2010-09-13 01:32:17)

Well, it was a direct copy from makepkg. That's a makepkg problem, not mine. It if does get modified in a future version, I will modify it.
Of course, I didn't know much bash when I initially created the package. I will keep that in mind.
Last edited by RetroX (2010-09-13 19:24:57)

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Fork is not working - BPM

I have done 2 samples using fork and in both the cases it is not working. For each message new BPM is triggered and only one step (branch) gets completed and other branch steps remain in ready state forever.
1) I have tested standard BPM pattern BpmPatternCollectMultiIf
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Under SAP help only brief description available about fork. Please share if you have good references/samples about fork (BPM).

Jai,
1)I expect following result in case of standard BPM pattern "BpmPatternCollectMultiIf"
Note: Here same message type for all 3 interfaces ( branches), no end condition, no of branches = 3
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Actual result is every time status as clock. and for each message new fork instance is created. below are the processids for 3 messages
133721
133726 -
unexpected
133731 -
unexpected
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Kevin, there are a few questions I can answer, but if you have irc you can also reach out to the #addons channel. I will also try to get in touch.
As far as I know:
* Starting point: [https://developer.mozilla.org/en-US/docs/Developing_add-ons Developing Add Ons: MDN]
* [https://developer.mozilla.org/en-US/docs/addons.mozilla.org_%28AMO%29_API_Developers%27_Guide/The_generic_AMO_API AMO API ]
* [https://developer.mozilla.org/en-US/Add-ons/Plugins/Gecko_Plugin_API_Reference/Plug-in_Development_Overview Registering Plugins and Developement Overview]
*[https://developer.mozilla.org/en-US/Add-ons/Overlay_Extensions/XUL_School/The_Essentials_of_an_Extension Install.rdf file info for extensions]
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I do not know. There are generating GUIDS [https://developer.mozilla.org/en-US/docs/Generating_GUIDs]
Be right back. I will try asking for backup.

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http://www.limit-point.com/Utilities/DeleteFork.html
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http://en.wikipedia.org/wiki/Resource_fork#The_Macintosh_file_system
http://zeroonetwenty.com/blueharvest/

Workflow error in fork step, process control, wait event

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hi,
message is self explanatory.
Activate the event trace SWELS, then do the event with SWUE and within your program (als please use SAP_WAPI function modules).
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Kind regards, Rob Dielemans

BPM process switch/fork is not processing!!

Hi Guys,
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Hi biplab das ,
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FORK is Not happening Parallel processing- It's working sequential

Hi,
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Venu.

Movies are from Netflix-finder fork is not working !

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Then you didn't look in the correct folder. Look in your home Library folder, not the main hard disk Library.
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Download and installation help for Prodesigntools links are listed on most linked pages. They are critical; especially steps 1, 2 and 3. If you click a link that does not have those steps listed, open a second window using the Lightroom 3 link to see those 'Important Instructions'.

I lost a video in iphoto. When I restore from Time Machine I get a thumbnail that says the file fork doesn't exist. How do I get it back?

I shot a video on my iPhone. This got downloaded into my iPhoto during a sync. It has been there for months and worked fine. Recently the video was accidently deleted and the trash has been emptied. I just popped open Time Machine and went back and restored my iPhoto from a back up. It appeared to restore the video as the thumbnail reappeared where it had been before. BUT, when I click on it, I get a message that says "the file fork does not exist". I was also restoring a couple of pictures as well and those restored fine. How do I get this video out of time machine with a working file fork?

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OT

BPM Fork Processing without receiving all required messages

Hi
I am developing a BPM which receives 5 different messages.
I am putting a block with Local Correlation with Block Start = New Transaction and Block End = New Transaction.
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When I am adding Receive Steps to Fork, there is an extra branch getting added to the Fork. So now I have 5 Receive steps with Abstract Interfaces and one extra step without having anything. I couldn't figure out how to get rid of this extra step. I know there is way to get rid of this extra step in Fork...but not sure how
Now, when I am testing, after receiving any 4 messages process is coming out of the Fork block and going to the next block.
As in the next block I use all the 5 messages, I am getting error there.
Can you please give your inputs what could cause this problem?
How do we get rid of extra branch in Fork which we do not use..
Thanks for your help in advance.
Regads,
Ramesh

Hello Ramesh,
When you Drag-Drop any process step in the Fork, it will create a new branch and will sit inside that branch. If you want to put the step on some specific branch then Drag the process step and take it to the desired branch and only drop when [ ] appears on that branch. To insert new branch in fork you can use Right click on Fork->Insert->New Branch.
Now for ur problem, you have set the necessary branches as 5, when u receive the 4 message(4 branches executed) and fifth branch(empty branch) will make total count to 5. Therefore, ur fork step will be executed and will not wait for the fifth msg.
HTH,
Regards,
Sami.

Query on Using fork with wait for event

Hi All,
I have a scenario in which a fork has two branches and one branch has the multiple steps along the line and also calls a subworkflow in one of the steps.
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My understanding is that when the branch one executes and is on a single step decision or have gone inside a subworkflow and wating for user decision on the workitem created
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Do I have to do any specific process control in main workflow to make sure that the subworkflow is deleted .
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Charan.

It should be taken care by itself. No additional steps required.
Regards, IA

Can't open appleworks file / resource fork issue

Hi,
I've just readt the post "Can't open old appleworks/clarisworks files".
My problem was that I got a "I/O error" when trying to open some appleworks files with appleworks 6.2.9.
I realize that I copy those file from my previous disk to a PC formated CD. Hence, some resource fork files should miss.
BUT, I don't have anymore the original files since I re-install my Mac...
If there a way to recover my files despite of this resource fork issue ? Is it possible to create again the resource fork file ?
Christophe

It's not a resource fork problem. If it were, adding the .cwk extension to the file name would likely fix it. AppleWorks 6.2.9 (the current version) can't open all ClarisWorks 4 or earlier files. It gives an I/O error. There doesn't appear to be a way to predict which files will cause problems. I've had it happen & not happen with all AppleWorks file types. These files can be opened by any other version of AppleWorks 6, including the OS 8/9 component 6.2.8. If you have the retail version of AppleWorks 6.2.9 or your “consumer” Mac came with an earlier version of AppleWorks 6 that you have updated to 6.2.9 & have Classic installed, you can "Force" AppleWorks 6 to open in Classic to open the files, save them as AW 6 files & then open them in the OS X version. Also, if you have Classic installed & have AppleWorks 5, this can be used to open the ClarisWorks files & save them as AppleWorks 5 which AppleWorks 6.2.9 can open.

Huge pauses in accept/fork server (postgresql) on 96GB S10 server

Hi,
We are deploying new hardware for our Solaris 10 Postgresql server and have stumbled onto a very confusing problem. This doesn't appear to be an obvious system limit issue, but something more complex.
The new server is:
dual Intel, four cores each, total of 16x threads w/hyperthreading enabled
96GB memory
60+ drives in several ZFS pools with cache and ZiL devices
Running Postgresql 8.2.21, 32bit binaries (which is a requirement)
Solaris 10 x64 at latest patchlevel
Default system settings
On the new server, when we attempt a connection to Postgresql, the main server process takes a very long time to accept & fork the child server process; several seconds rather than the usual 10+ milliseconds. The accept queue is processed at a glacial pace, rendering Postgresql completely unusable. During this time there are no errors from the operating system or the application and vmstat appears normal.
Now for the confusing part: Proc tools don't work
While the Postgresql process is not accepting/forking a child process, it is normal and observable using tools like truss, pstack, pmap, pfiles... However, when we attempted a pstack of the Postgresql daemon during the connect/accept/fork "hang", the pstack invocation hung for several seconds and returned no information except the PID and command-line information. A truss invocation also hung for several seconds, finally outputing a very slow stream of normal-looking output. When we gcore'd the process and tried looking at in gdb, there were only messages about address at zero, nothing to make sense of.
We lowered the Postgresql shared memory from 1500MB to 700MB and the problem stopped. We whittled down the SHM size to working/non-working sizes, but they seemed to fluctuate. We have other servers that run these amounts of shared memory without issue. Given the fluctuation, we are hesitant to assume that there is ANY shared memory size that is reliable until we understand the problem.
Now for the more confusing part: DTrace fixes the problem, at least while it is running
We tried DTraceToolkit scripts to examine the PG process. As soon as we invoked dapptrace on the PID, connections began flowing, albeit at a pace that you would expect from a DTrace'd process. When we CTRL-C'd from the DTrace script and re-attempted to connect, the problem would return. By running dapptrace or another DTrace script, we could un-stick the Postgresql server process at will and bring it back by exiting the script.
Now for the even more confusing part: Less memory is better, twice the apps is better still
* We tried an identical, in every respect, server and could reproduce the condition
* We tried an identical server, except with only 48GB memory, and could NOT reproduce the problem
* We accidentally started two Postgresql processed with 1800MB shared memory each, but ONLY THE
FIRST server was affected. Subsequent servers are not affected.
* Trying to replicate the "sacrificial" server setup, we wrote a program to allocate shared memory and
semaphores similar to a Postgreql process, then started a Postgresql process. The did not avoid the
problem for the server, which we didn't expect. Perhaps we didn't perfectly recreate the scenario.
The big questions:
* What would oddly hang during fork with SHM?
* Why would we hit this problem at 96GB memory but not 48GB?
* Why would a DTrace script alter the condition for the better?
* Why would one Postgresql process suffer the problem but not subsequent processes?
Any help would be greatly appreciated.

The problem seems to be related to or manifested in fork(). The forked process resumes immediately, but the forking process hangs for a great deal of time.
The following is the code that is run, slightly abbreviated. "child done" takes zero seconds, but "parent done" has taken between zero and 42 seconds.
int result;
time_t start,end;
start = time()
result = fork();
end = time(NULL);
if (result == 0)
elog(INFO,"fork_process:child done, %d", end - start);
else
elog(INFO,"fork_process:parent done, %d", end - start);
011-07-25 17:03:02 PDT 3787 273 INFO: 00000: MJC::fork_process:parent done, 14
2011-07-25 17:03:02 PDT 3787 309 INFO: 00000: MJC::fork_process:parent done, 0
2011-07-25 17:03:02 PDT 3787 309 INFO: 00000: MJC::fork_process:child done, 0
2011-07-25 17:03:19 PDT 3787 361 INFO: 00000: MJC::fork_process:child done, 0
2011-07-25 17:04:01 PDT 3787 361 INFO: 00000: MJC::fork_process:parent done, 42
2011-07-25 17:04:01 PDT 3787 379 INFO: 00000: MJC::fork_process:parent done, 0
2011-07-25 17:04:01 PDT 3787 379 INFO: 00000: MJC::fork_process:child done, 0
2011-07-25 17:04:01 PDT 3787 401 INFO: 00000: MJC::fork_process:parent done, 0
2011-07-25 17:04:01 PDT 3787 401 INFO: 00000: MJC::fork_process:child done, 0
2011-07-25 17:04:11 PDT 3787 469 INFO: 00000: MJC::fork_process:child done, 0
2011-07-25 17:04:32 PDT 3787 469 INFO: 00000: MJC::fork_process:parent done, 21
2011-07-25 17:04:33 PDT 3787 505 INFO: 00000: MJC::fork_process:child done, 0
2011-07-25 17:04:39 PDT 3787 505 INFO: 00000: MJC::fork_process:parent done, 6
2011-07-25 17:04:39 PDT 3787 541 INFO: 00000: MJC::fork_process:child done, 0
2011-07-25 17:05:02 PDT 3787 541 INFO: 00000: MJC::fork_process:parent done, 23
2011-07-25 17:05:02 PDT 3787 559 INFO: 00000: MJC::fork_process:parent done, 0
2011-07-25 17:05:02 PDT 3787 559 INFO: 00000: MJC::fork_process:child done, 0
2011-07-25 17:06:02 PDT 3787 595 INFO: 00000: MJC::fork_process:child done, 0
2011-07-25 17:06:15 PDT 3787 595 INFO: 00000: MJC::fork_process:parent done, 13
2011-07-25 17:07:15 PDT 3787 615 INFO: 00000: MJC::fork_process:child done, 0
Edited by: 874267 on Jul 25, 2011 5:08 PM

Multipkg - A fork of unipkg

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