Update cheatsheets

tldr/batch

@@ -5,8 +5,19 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # batch
 
-> This command is an alias of `at`.
+> Execute commands at a later time when the system load levels permit.
+> Results will be sent to the user's mail.
+> See also: `at`, `atq`, `atrm` `mail`.
+> More information: <https://manned.org/batch>.
 
-- View documentation for the original command:
+- Start the `atd` daemon:
 
-`tldr at`
+`systemctl start atd`
+
+- Execute commands from `stdin` (press `Ctrl + D` when done):
+
+`batch`
+
+- Execute a command from `stdin`:
+
+`echo "{{./make_db_backup.sh}}" | batch`

tldr/linux/emerge

@@ -15,7 +15,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Update all packages, including dependencies:
 
-`sudo emerge -uDNav @world`
+`sudo emerge {{-avuDN|--ask --verbose --update --deep --newuse}} @world`
 
 - Resume a failed updated, skipping the failing package:
 
@@ -23,16 +23,16 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Install a new package, with confirmation:
 
-`sudo emerge -av {{package}}`
+`sudo emerge {{-av|--ask --verbose}} {{package}}`
 
-- Remove a package, with confirmation:
+- Remove a package and its dependencies with confirmation:
 
-`sudo emerge -Cav {{package}}`
+`sudo emerge {{-avc|--ask --verbose --depclean}} {{package}}`
 
-- Remove orphaned packages (that were installed only as dependencies):
+- Remove orphaned packages (installed as dependencies but no longer required by any package):
 
-`sudo emerge -avc`
+`sudo emerge {{-avc|--ask --verbose --depclean}}`
 
 - Search the package database for a keyword:
 
-`emerge -S {{keyword}}`
+`emerge {{-S|--searchdesc}} {{keyword}}`

tldr/linux/kwallet-query

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# kwallet-query
+
+> Read and write to a KDE Wallet.
+> More information: <https://manned.org/kwallet-query>.
+
+- List all entries in the `Passwords` folder of `kdewallet`:
+
+`kwallet-query {{kdewallet}} {{-l|--list-entries}}`
+
+- List all entries in a specific folder:
+
+`kwallet-query {{kdewallet}} {{-l|--list-entries}} {{-f|--folder}} {{folder_name}}`
+
+- List all available folders:
+
+`kwallet-query  {{kdewallet}} {{-l|--list-entries}} {{-f|--folder}} ""`

tldr/vitest

@@ -0,0 +1,41 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# vitest
+
+> Fast, modern testing framework built for Vite, offering seamless integration, TypeScript support, and a Jest-compatible API for unit, integration, and snapshot testing.
+> More information: <https://vitest.dev/guide>.
+
+- Run all available tests:
+
+`vitest run`
+
+- Run the test suites from the given files:
+
+`vitest run {{path/to/file1 path/to/file2 ...}}`
+
+- Run the test suites from files within the current and subdirectories, whose paths match the given regular expression:
+
+`vitest run {{regular_expression1}} {{regular_expression2}}`
+
+- Run the tests whose names match the given regular expression:
+
+`vitest run --testNamePattern {{regular_expression}}`
+
+- Watch files for changes and automatically re-run related tests:
+
+`vitest`
+
+- Run tests with coverage:
+
+`vitest run --coverage`
+
+- Run all tests but stops immediately after the first test failure:
+
+`vitest run --bail=1`
+
+- Display help:
+
+`vitest --help`