chore(config): Document all configuration options

README.md

@@ -95,6 +95,22 @@ $env:SCOOP_GLOBAL='F:\GlobalScoopApps'
 # run the installer
 ```
 
+### Configure Scoop to store downloads to a Custom Directory by changing `SCOOP_CACHE`
+
+```powershell
+$env:SCOOP_CACHE='F:\ScoopCache'
+[Environment]::SetEnvironmentVariable('SCOOP_CACHE', $env:SCOOP_CACHE, 'Machine')
+# run the installer
+```
+
+### Configure Scoop to use a GitHub API token during searching and checkver by setting `SCOOP_CHECKVER_TOKEN`
+
+```powershell
+$env:SCOOP_CHECKVER_TOKEN='<paste-token-here>'
+[Environment]::SetEnvironmentVariable('SCOOP_CHECKVER_TOKEN', $env:SCOOP_CHECKVER_TOKEN, 'Machine')
+# search for an app
+```
+
 ## [Documentation](https://github.com/ScoopInstaller/Scoop/wiki)
 
 ## Multi-connection downloads with `aria2`
@@ -115,6 +131,7 @@ You can tweak the following `aria2` settings with the `scoop config` command:
 - [aria2-split](https://aria2.github.io/manual/en/html/aria2c.html#cmdoption-s) (default: 5)
 - [aria2-max-connection-per-server](https://aria2.github.io/manual/en/html/aria2c.html#cmdoption-x) (default: 5)
 - [aria2-min-split-size](https://aria2.github.io/manual/en/html/aria2c.html#cmdoption-k) (default: 5M)
+- [aria2-options](https://aria2.github.io/manual/en/html/aria2c.html#options) (default: )
 
 ## Inspiration
 

libexec/scoop-config.ps1

@@ -17,14 +17,98 @@
 # Settings
 # --------
 #
+# 7ZIPEXTRACT_USE_EXTERNAL: $true|$false
+#       External 7zip (from path) will be used for archives extraction.
+#
+# MSIEXTRACT_USE_LESSMSI: $true|$false
+#       Prefer lessmsi utility over native msiexec.
+#
+# NO_JUNCTIONS: $true|$false
+#       The 'current' version alias will not be used. Shims and shortcuts will point to specific version instead.
+#
+# SCOOP_REPO: http://github.com/ScoopInstaller/Scoop
+#       Git repository containining scoop source code.
+#       This configuration is useful for custom forks.
+#
+# SCOOP_BRANCH: master|develop
+#       Allow to use different branch than master.
+#       Could be used for testing specific functionalities before released into all users.
+#       If you want to receive updates earlier to test new functionalities use develop (see: 'https://github.com/ScoopInstaller/Scoop/issues/2939')
+#
 # proxy: [username:password@]host:port
+#       By default, Scoop will use the proxy settings from Internet Options, but with anonymous authentication.
+#
+#       * To use the credentials for the current logged-in user, use 'currentuser' in place of username:password
+#       * To use the system proxy settings configured in Internet Options, use 'default' in place of host:port
+#       * An empty or unset value for proxy is equivalent to 'default' (with no username or password)
+#       * To bypass the system proxy and connect directly, use 'none' (with no username or password)
+#
+# default-architecture: 64bit|32bit
+#       Allow to configure preferred architecture for application installation.
+#       If not specified, architecture is determined be system.
+#
+# debug: $true|$false
+#       Additional and detailed output will be shown.
+#
+# force-update: $true|$false
+#       Force apps updating to bucket's version.
+#
+# show_update_log: $true|$false
+#       Do not show changed commits on 'scoop update'
+#
+# manifest_review: $true|$false
+#       Displays the manifest of every app that's about to
+#       be installed, then asks user if they wish to proceed.
+#
+# shim: kiennq|scoopcs|71
+#       Choose scoop shim build.
+#
+# rootPath: $Env:UserProfile\scoop
+#       Path to Scoop root directory.
+#
+# globalPath: $Env:ProgramData\scoop
+#       Path to Scoop root directory for global apps.
+#
+# cachePath:
+#       For downloads, defaults to 'cache' folder under Scoop root directory.
+#
+# checkver_token:
+#       GitHub API token used to make authenticated requests.
+#       This is essential for checkver and similar functions
+#       to run without incurring rate limits.
+#
+# virustotal_api_key:
+#       API key used for uploading/scanning files using virustotal.
+#       See: 'https://support.virustotal.com/hc/en-us/articles/115002088769-Please-give-me-an-API-key'
+#
+# ARIA2 configuration
+# -------------------
+#
+# aria2-enabled: $true|$false
+#       Aria2c will be used for downloading of artifacts.
+#
+# aria2-warning-enabled: $true|$false
+#       Disable Aria2c warning which is shown while downloading.
+#
+# aria2-retry-wait: 2
+#       Number of seconds to wait between retries.
+#       See: 'https://aria2.github.io/manual/en/html/aria2c.html#cmdoption-retry-wait'
+#
+# aria2-split: 5
+#       Number of connections used for downlaod.
+#       See: 'https://aria2.github.io/manual/en/html/aria2c.html#cmdoption-s'
+#
+# aria2-max-connection-per-server: 5
+#       The maximum number of connections to one server for each download.
+#       See: 'https://aria2.github.io/manual/en/html/aria2c.html#cmdoption-x'
 #
-# By default, Scoop will use the proxy settings from Internet Options, but with anonymous authentication.
+# aria2-min-split-size: 5M
+#       Downloaded files will be splitted by this configured size and downloaded using multiple connections.
+#       See: 'https://aria2.github.io/manual/en/html/aria2c.html#cmdoption-k'
 #
-# * To use the credentials for the current logged-in user, use 'currentuser' in place of username:password
-# * To use the system proxy settings configured in Internet Options, use 'default' in place of host:port
-# * An empty or unset value for proxy is equivalent to 'default' (with no username or password)
-# * To bypass the system proxy and connect directly, use 'none' (with no username or password)
+# aria2-options:
+#       Array of additional aria2 options.
+#       See: 'https://aria2.github.io/manual/en/html/aria2c.html#options'
 
 param($name, $value)