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~ tilde is not suppored in a global config #996
Description
If I want to use ~ in any path in the global config, it will not parse the config and stop with a non-helpful error.
For example if I want to write a logfile to the local .config directory
log-file = "~/.config/rustic/rustic.log"
Same for sources
[[backup.sources]]
source = "~/foo"
On mac the error message is also kind of strange (without showing which config is used)
error: rustic-rs fatal error: I/O operation failed: No such file or directory (os error 2)
Reacted by Kamack38
Activity
aawsome commentedon Jan 11, 2024
As
~is IMO just a special case of variable substitution (here the env variable$HOME), I'm closing this as duplicate of #942simonsan commentedon Feb 9, 2024
Discovered this library lately: https://docs.rs/crate/shellexpand/3.1.0
Maybe worth another discussion, if we can implement it with that more easily?
Reopening for that discussion
simonsan commentedon Feb 9, 2024
Copying over the discussion points of env var expansion:
This feature is a bit more involved as there are more questions arising:
Originally posted by @aawsome in #942 (comment)
Dialga commentedon Sep 13, 2025
ditto, as a first time user, i am also affected by this.
my config has
repo = '~/repo'but instead./~/repois used.rdelaage commentedon Oct 10, 2025
I didn't see this issue before, but I think it should be closed as #1577 brings environment variable substitution in config file. Users can use something like "$HOME/.config/rustic/rustic.log", or even "${XDG_CONFIG_HOME:$HOME/.config}/rustic/rustic.log"
aawsome commentedon Oct 10, 2025
I agree with @rdelaage. With #1577, environment variable substitutions have been added allowing to use
$HOMEor${HOME}in the config profiles. I don't see the need to substitute also~.