On 07/25/2013 05:06 PM, Lennart Poettering wrote: > On Sat, 20.07.13 16:37, Gerardo Exequiel Pozzi (vmlinuz...@yahoo.com.ar) > wrote: > >> Hello >> >> I am maintainer of Archiso project (The Arch Linux live ISO creator). >> >> I like a feature for systemd within unit files, mainly for importing >> /proc/cmdline in initramfs stage, or in a generic form for any other >> file with a similar format. Something like ImportOneLineFile=, like >> current EnvironmentFile=. >> >> In this way, we can use/pass parameters to Exec*= directives if needed. > > So you awant to import kernel cmdline arguments into your environment?
Yes, in a particular unit. > Note that you can do that already with the systemd.setenv= kernel > command line option. What else do you need? > Yes. But doing in this way: * Makes each variable passed, global to all units. * For each parameter that I need to process I need to prefix them. So for example archisobasedir=arch archisolabel=ARCH_201307 checksum=y becomes: systemd.setenv=archisobasedir=arch systemd.setenv=archisolabel=ARCH_201307 systemd.setenv=checksum=y And if booting via PXE, think about automatic cmdline appended by "ip=..." PXELINUX/IPAPPEND... The other solution that I have is using a service+script for parsing/dumping cmdline in a file, then import with EnvironmentFile= but does not look good. Other way maybe is using a generator, but they run too early and I need to wait for some things happens before generating units in a dynamic way. > Lennart > Thanks for your attention. -- Gerardo Exequiel Pozzi \cos^2\alpha + \sin^2\alpha = 1
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