| Summary: | please document what subset of shell is supported in os-release | ||
|---|---|---|---|
| Product: | systemd | Reporter: | Simon McVittie <smcv> |
| Component: | general | Assignee: | Lennart Poettering <lennart> |
| Status: | RESOLVED FIXED | QA Contact: | |
| Severity: | enhancement | ||
| Priority: | medium | ||
| Version: | unspecified | ||
| Hardware: | Other | ||
| OS: | All | ||
| Whiteboard: | |||
| i915 platform: | i915 features: | ||
Context: I've opened <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=659853> asking Debian's base-files package (the one with /etc/debian_version) to also provide /etc/os-release. Fixed in git. And thanks for pushing this in Debian! Much appreciated! |
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os-release is documented like this: "The basic file format of os-release is a newline-separated list of environment-like shell-compatible variable assignments. It is possible to source the configuration from shell scripts, however, beyond mere variable assignments no shell features are supported" This doesn't say whether double-quoted and/or single-quoted strings are supported, whether the usual set of '\' escapes inside double-quoted strings are supported, or whether this sort of thing (which would work in a shell) works: # expands to: O'Reilly "Undocumentable" Linux PRETTY_NAME="O'Reilly "'"Undocumentable" Linux' My guess would be that "", '' and \ escapes should work, but multiple concatenated quoted strings don't/shouldn't. It'd also be nice if shell-style comments (unquoted #) were supported, as they are in many configuration files (even those with ad-hoc formats).