NixOS Generations Trimmer - Revision history

imported>Mike1: New confirm option added

2023-09-06T10:01:47Z

New confirm option added

@@ Line 23: / Line 23: @@
 <syntaxHighlight lang=bash>
 ❯ ./trim-generations.sh
 Keeping default: 30 generations OR 30 days, whichever is more
-Operating on profile: 	 /nix/var/nix/profiles/per-user/user/profile
+Operating on profile:    /nix/var/nix/profiles/per-user/dougal/profile
-oldest generation:             27
+        Something to do...
-current generation:            33
+Found the following generation(s) to delete:
-current generation created:    2021-09-25
+generation 75    2023-08-05, 32 day(s) old
-All generations are no more than 30 days older than current generation.
+Do you want to delete these? [Y/n]:
 </syntaxHighlight>

imported>Mike1: New defaults

2023-09-06T09:58:01Z

New defaults

← Older revision		Revision as of 09:58, 6 September 2023
Line 80:		Line 80:

	Usage:		Usage:
	trim-generations.sh ~~(defaults are: Keep~~-~~Gens=10 Keep~~-~~Days=7 Profile=user)~~		./trim-generations.sh <keep-gernerations> <keep-days> <profile>

	~~If you enter any parameters, you must enter all three.~~

			(defaults are: Keep-Gens=30 Keep-Days=30 Profile=user)

			If you enter any parameters, you must enter all three, or none to use defaults.
	Example:		Example:
	trim-generations.sh 15 10 home-manager		trim-generations.sh 15 10 home-manager
	~~...~~ this will work on the home-manager profile and keep all generations from the last 10 days, and keep at least 15 generations no matter how old.		this will work on the home-manager profile and keep all generations from the
			last 10 days, and keep at least 15 generations no matter how old.

			Profiles available are: user, home-manager, channels, system (root)

	~~Profile choices available: user, home~~-~~manager, channels, system (root only)~~		-h or --help prints this help text.
	</syntaxHighlight>		</syntaxHighlight>

imported>Mike1: New output showing defaults

2023-09-06T09:53:02Z

New output showing defaults

← Older revision		Revision as of 09:53, 6 September 2023
Line 151:		Line 151:

	Usage:		Usage:
	trim-generations.sh ~~(defaults are: Keep~~-~~Gens=10 Keep~~-~~Days=7 Profile=user)~~		./trim-generations.sh <keep-gernerations> <keep-days> <profile>

	~~If you enter any parameters, you must enter all three.~~

			(defaults are: Keep-Gens=30 Keep-Days=30 Profile=user)

			If you enter any parameters, you must enter all three, or none to use defaults.
	Example:		Example:
	trim-generations.sh 15 10 home-manager		trim-generations.sh 15 10 home-manager
	~~...~~ this will work on the home-manager profile and keep all generations from the last 10 days, and keep at least 15 generations no matter how old.		this will work on the home-manager profile and keep all generations from the
			last 10 days, and keep at least 15 generations no matter how old.

			Profiles available are: user, home-manager, channels, system (root)

	~~Profile choices available: user, home~~-~~manager, channels, system (root only)~~		-h or --help prints this help text.
	</syntaxHighlight>		</syntaxHighlight>


	[[Category:Tutorial]]		[[Category:Tutorial]]

imported>Mike1: New output shows defaults

2023-09-06T09:49:23Z

New output shows defaults

← Older revision		Revision as of 09:49, 6 September 2023
Line 95:		Line 95:
	<syntaxHighlight lang=bash>		<syntaxHighlight lang=bash>
	❯ sudo ./trim-generations.sh		❯ sudo ./trim-generations.sh
	~~Keeping default~~: ~~10 generations OR 7 days, whichever is more~~		The current defaults are:
	~~Operating on profile: /nix/var/nix/profiles/default~~		Keep-Gens=30 Keep-Days=30

	~~oldest generation~~: 8		Keep these defaults? (y/n):y
	~~oldest generation created: 2021-09-04~~		Using defaults..
	~~minutes before now~~: ~~32725~~		Keeping default: 30 generations OR 30 days, whichever is more
	~~hours before now: 545~~		Operating on profile: /nix/var/nix/profiles/system
	~~days before now~~: 22

	~~current~~ generation: 8		oldest generation: 65
	~~current~~ generation created: ~~2021~~-09-04		oldest generation created: 2023-08-05
			minutes before now: 46727
			hours before now: 778
			days before now: 32

	~~All generations are no more than 7 days older than~~ current generation.		current generation: 102
	~~Oldest gen~~ days ~~difference from current gen~~: 0		current generation created: 2023-09-04
			minutes before now: 3527
			hours before now: 58
			days before now: 2

	Nothing to do!		All generations are no more than 30 days older than current generation.
			Oldest gen days difference from current gen: 30

			Nothing to do!
	</syntaxHighlight>		</syntaxHighlight>

imported>Mike1: change script to less buggy one

2023-09-06T09:45:08Z

change script to less buggy one

← Older revision		Revision as of 09:45, 6 September 2023
Line 15:		Line 15:
	== Script (trim-generations.sh) ==		== Script (trim-generations.sh) ==

	The script is available here: [https://gist.github.com/~~Bondrake~~/~~27555c9d02c2882fd5e32f8ab3ed620b~~ Github Gist - NixOS: trim-generations.sh]		The script is available here: [https://gist.github.com/MaxwellDupre/3077cd229490cf93ecab08ef2a79c852 Github Gist - NixOS: trim-generations.sh]

	== Example script output ==		== Example script output ==

imported>Mike1: /* Without parameters (defaults) */

2023-09-04T10:14:38Z

Without parameters (defaults)

← Older revision		Revision as of 10:14, 4 September 2023
Line 23:		Line 23:
	<syntaxHighlight lang=bash>		<syntaxHighlight lang=bash>
	❯ ./trim-generations.sh		❯ ./trim-generations.sh
	Keeping default: 10 generations OR 7 days, whichever is more		Keeping default: 30 generations OR 30 days, whichever is more
	Operating on profile: /nix/var/nix/profiles/per-user/user/profile		Operating on profile: /nix/var/nix/profiles/per-user/user/profile

Line 35:		Line 35:
	current generation created: 2021-09-25		current generation created: 2021-09-25

	All generations are no more than 7 days older than current generation.		All generations are no more than 30 days older than current generation.
	Oldest gen difference from current gen: 1		Oldest gen difference from current gen: 1

imported>Nix: Fix category

2022-08-19T03:16:53Z

Fix category

← Older revision		Revision as of 03:16, 19 August 2022
Line 155:		Line 155:


	[[Category:~~Guide~~]]		[[Category:Tutorial]]

imported>Nix: reorganize page

2021-09-26T08:09:08Z

reorganize page

← Older revision		Revision as of 08:09, 26 September 2021
Line 13:		Line 13:
	* If you are a normal user, you can run on either the <code>home-manager</code> or <code>channels</code> profiles too.		* If you are a normal user, you can run on either the <code>home-manager</code> or <code>channels</code> profiles too.

	==~~= Example script output =~~==		== Script (trim-generations.sh) ==

	==== Without parameters (defaults) ====		The script is available here: [https://gist.github.com/Bondrake/27555c9d02c2882fd5e32f8ab3ed620b Github Gist - NixOS: trim-generations.sh]

			== Example script output ==

			=== Without parameters (defaults) ===

	<syntaxHighlight lang=bash>		<syntaxHighlight lang=bash>
Line 37:		Line 41:
	</syntaxHighlight>		</syntaxHighlight>

	==== With parameters ====		=== With parameters ===

	<syntaxHighlight lang=bash>		<syntaxHighlight lang=bash>
Line 66:		Line 70:
	</syntaxHighlight>		</syntaxHighlight>

	==== With parameters (not enough though) ====		=== With parameters (not enough though) ===

	Example if you accidentally don't specify all parameters / arguments.		Example if you accidentally don't specify all parameters / arguments.
Line 87:		Line 91:
	</syntaxHighlight>		</syntaxHighlight>

	==== Run as root (default) ====		=== Run as root (default) ===

	<syntaxHighlight lang=bash>		<syntaxHighlight lang=bash>
Line 109:		Line 113:
	</syntaxHighlight>		</syntaxHighlight>

	==== Run as root (on system profile) ====		=== Run as root (on system profile) ===

	<syntaxHighlight lang=bash>		<syntaxHighlight lang=bash>
Line 129:		Line 133:
	</syntaxHighlight>		</syntaxHighlight>

	==== Run as root (wrong profile) ====		=== Run as root (wrong profile) ===

	Example if you accidentally give wrong profile (no home-manager on root):		Example if you accidentally give wrong profile (no home-manager on root):
Line 151:		Line 155:


			[[Category:Guide]]


	~~== Script (trim-generations.sh) ==~~

	~~The script is available here:~~ [~~https://gist.github.com/Bondrake/27555c9d02c2882fd5e32f8ab3ed620b Github Gist - NixOS~~: ~~trim-generations.sh~~]

imported>Nix: move to gist to deal with formatting issues

2021-09-26T08:06:57Z

move to gist to deal with formatting issues

Show changes

imported>Nix: fix defaults help

2021-09-26T07:55:31Z

fix defaults help

← Older revision		Revision as of 07:55, 26 September 2021
Line 139:		Line 139:

	Usage:		Usage:
	trim-generations.sh (defaults are: Keep-Gens=3 Keep-Days=0 Profile=user)		trim-generations.sh (defaults are: Keep-Gens=10 Keep-Days=7 Profile=user)

	If you enter any parameters, you must enter all three.		If you enter any parameters, you must enter all three.
Line 161:		Line 161:

	## Defaults		## Defaults
	keepGens=10; keepDays=7		keepGensDef=10; keepDaysDef=7
			keepGens=$keepGensDef; keepDays=$keepDaysDef

	## Usage		## Usage
	usage () {		usage () {
	printf "Usage:\n\t trim-generations.sh (defaults are: Keep-Gens=$~~keepGens~~ Keep-Days=$~~keepDays~~ Profile=user)\n\n"		printf "Usage:\n\t trim-generations.sh (defaults are: Keep-Gens=$keepGensDef Keep-Days=$keepDaysDef Profile=user)\n\n"
	printf "If you enter any parameters, you must enter all three.\n\n"		printf "If you enter any parameters, you must enter all three.\n\n"
	printf "Example:\n\t trim-generations.sh 15 10 home-manager\n"		printf "Example:\n\t trim-generations.sh 15 10 home-manager\n"