forked from lix-project/lix
b87b9c0d1f
versions to available versions, or vice versa. For example, the following compares installed versions to available versions: $ nix-env -qc autoconf-2.59 = 2.59 automake-1.9.4 < 1.9.6 f-spot-0.0.10 - ? firefox-1.0.4 < 1.0.7 ... I.e., there are newer versions available (in the current default Nix expression) for Automake and Firefox, but not for Autoconf, and F-Spot is missing altogether. Conversely, the available versions can be compared to the installed versions: $ nix-env -qac autoconf-2.59 = 2.59 automake-1.9.6 > 1.9.4 bash-3.0 - ? firefox-1.0.7 > 1.0.4 ... Note that bash is available but no version of it is installed. If multiple versions are available for comparison, then the highest is used. E.g., if Subversion 1.2.0 is installed, and Subversion 1.1.4 and 1.2.3 are available, then `nix-env -qc' will print `< 1.2.3', not `> 1.1.4'. If higher versions are available, the version column is printed in red (using ANSI escape codes).
59 lines
2.1 KiB
Plaintext
59 lines
2.1 KiB
Plaintext
nix-env [OPTIONS...] [ARGUMENTS...]
|
|
|
|
`nix-env' is a tool to manipulate Nix user environments.
|
|
|
|
Operations:
|
|
|
|
--install / -i: add derivations to the user environment
|
|
--upgrade / -u: upgrade derivation in the user environment
|
|
--uninstall / -e: remove derivations from the user environment
|
|
--query / -q: perform a query on an environment or Nix expression
|
|
|
|
The previous operations take a list of derivation names. The special
|
|
name `*' may be used to indicate all derivations.
|
|
|
|
--switch-profile / -S [FILE]: switch to specified profile
|
|
--switch-generation / -G NUMBER: switch to specified generation of profile
|
|
--rollback: switch to the previous generation
|
|
--list-generations: list available generations of a profile
|
|
--delete-generations GENERATIONS...: deleted listed generations,
|
|
`old' for all non-current generations
|
|
|
|
--import / -I FILE: set default Nix expression
|
|
|
|
--version: output version information
|
|
--help: display help
|
|
|
|
Install / upgrade / uninstall flags:
|
|
|
|
--dry-run: show what would be done, but don't do it
|
|
|
|
Upgrade flags:
|
|
|
|
--lt: upgrade unless the current version is older (default)
|
|
--leq: upgrade unless the current version is older or current
|
|
--always: upgrade regardless of current version
|
|
|
|
Query types:
|
|
|
|
--status / -s: print installed/present status
|
|
--no-name: hide derivation names
|
|
--system: print the platform type of the derivation
|
|
--compare-versions / -c: compare version to available or installed
|
|
--drv-path: print path of derivation
|
|
--out-path: print path of derivation output
|
|
|
|
Query sources:
|
|
|
|
--installed: use installed derivations (default)
|
|
--available / -a: use derivations available in Nix expression
|
|
|
|
Options:
|
|
|
|
--profile / -p LINK: use specified profile instead of target of ~/.nix-profile
|
|
--file / -f FILE: use Nix expression FILE for installation, etc.
|
|
--verbose / -v: verbose operation (may be repeated)
|
|
--keep-failed / -K: keep temporary directories of failed builds
|
|
--preserve-installed: do not replace currently installed versions in `-i'
|
|
--system-filter SYSTEM: only use derivations for specified platform
|