Are you sure nothing is changed in those .xmp files? Might be some module has been updated and params are converted to newer version and saved back. And looking at the size it's obvious there is some difference. Also can you check if the behaviour is the same when you export files from DT GUI (without opening them in DR)?
On Sun, 5 Oct 2014 11:01:04 +0200 Joerg Beyer <joerg.be...@gmail.com> wrote: > Hi, > > I am setting up some automation with darktable-cli to generate some foto > collections. I thought using good old make (the tool to automate > compilations etc) would be a good idea, but I found out, that darktable-cli > changes the modification time of the xmp sidecar files. > > for illustration: > joerg@dilbert:~/tmp$ date > So 5. Okt 10:57:10 CEST 2014 > joerg@dilbert:~/tmp$ ls -la > insgesamt 19180 > drwx------ 2 joerg joerg 4096 Okt 5 10:57 . > drwxrwxr-x 172 joerg joerg 20480 Okt 5 09:49 .. > -rw-rw-r-- 1 joerg joerg 19606386 Okt 5 10:56 IMG_6905.CR2 > -rw-rw-r-- 1 joerg joerg 4656 Okt 5 10:56 IMG_6905.CR2.xmp > joerg@dilbert:~/tmp$ date > So 5. Okt 10:57:19 CEST 2014 > joerg@dilbert:~/tmp$ darktable-cli IMG_6905.CR2 IMG_6905.CR2.xmp > IMG_6905.jpg --width 1000 --height 1000 > [export_job] exported to `IMG_6905.jpg' > joerg@dilbert:~/tmp$ ls -la > insgesamt 19844 > drwx------ 2 joerg joerg 4096 Okt 5 10:57 . > drwxrwxr-x 172 joerg joerg 20480 Okt 5 09:49 .. > -rw-rw-r-- 1 joerg joerg 19606386 Okt 5 10:56 IMG_6905.CR2 > -rw-rw-r-- 1 joerg joerg 4674 Okt 5 10:57 IMG_6905.CR2.xmp > -rw-rw-r-- 1 joerg joerg 679573 Okt 5 10:57 IMG_6905.jpg > > you can see, that the modifiaction time for the xmp file was updated from > 10:56 to 10:57. > > It seems to be no problem, if DT can't write the xmp file, because file > permissions forbit it: > > joerg@dilbert:~/tmp$ chmod 440 IMG_6905.CR2.xmp > joerg@dilbert:~/tmp$ rm IMG_6905.jpg > joerg@dilbert:~/tmp$ darktable-cli IMG_6905.CR2 IMG_6905.CR2.xmp > IMG_6905.jpg --width 1000 --height 1000 > [export_job] exported to `IMG_6905.jpg' > joerg@dilbert:~/tmp$ ls -la > insgesamt 19844 > drwx------ 2 joerg joerg 4096 Okt 5 10:59 . > drwxrwxr-x 172 joerg joerg 20480 Okt 5 09:49 .. > -rw-rw-r-- 1 joerg joerg 19606386 Okt 5 10:56 IMG_6905.CR2 > -r--r----- 1 joerg joerg 4674 Okt 5 10:57 IMG_6905.CR2.xmp > -rw-rw-r-- 1 joerg joerg 679573 Okt 5 10:59 IMG_6905.jpg > > the jpeg file is OK. > > Would a patch to write the sidecars back to disk, only if the have changes > be accepted? > > regards > Joerg ------------------------------------------------------------------------------ Meet PCI DSS 3.0 Compliance Requirements with EventLog Analyzer Achieve PCI DSS 3.0 Compliant Status with Out-of-the-box PCI DSS Reports Are you Audit-Ready for PCI DSS 3.0 Compliance? Download White paper Comply to PCI DSS 3.0 Requirement 10 and 11.5 with EventLog Analyzer http://pubads.g.doubleclick.net/gampad/clk?id=154622311&iu=/4140/ostg.clktrk _______________________________________________ darktable-devel mailing list darktable-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/darktable-devel
