Files
Scoop/bin/checkver.ps1
T

113 lines
2.4 KiB
PowerShell

# checks websites for newer versions using an (optional) regular expression defined in the manifest
# use $dir to specify a manifest directory to check from, otherwise ./bucket is used
param($app, $dir)
. "$psscriptroot\..\lib\core.ps1"
. "$psscriptroot\..\lib\manifest.ps1"
. "$psscriptroot\..\lib\config.ps1"
if(!$dir) { $dir = "$psscriptroot\..\bucket" }
$dir = resolve-path $dir
$search = "*"
if($app) { $search = $app }
# get apps to check
$queue = @()
gci $dir "$search.json" | % {
$json = parse_json "$dir\$_"
if($json.checkver) {
$queue += ,@($_, $json)
}
}
# clear any existing events
get-event | % {
remove-event $_.sourceidentifier
}
# start all downloads
$queue | % {
$wc = new-object net.webclient
register-objectevent $wc downloadstringcompleted -ea stop | out-null
$name, $json = $_
$url = $json.checkver.url
if(!$url) { $url = $json.homepage }
$state = new-object psobject @{
app = (strip_ext $name);
url = $url;
json = $json;
}
$wc.downloadstringasync($url, $state)
}
# wait for all to complete
$in_progress = $queue.length
while($in_progress -gt 0) {
$ev = wait-event
remove-event $ev.sourceidentifier
$in_progress--
$state = $ev.sourceeventargs.userstate
$app = $state.app
$json = $state.json
$url = $state.url
$expected_ver = $json.version
$err = $ev.sourceeventargs.error
$page = $ev.sourceeventargs.result
$regexp = $json.checkver.re
if(!$regexp) { $regexp = $json.checkver }
$regexp = "(?s)$regexp"
write-host "$app`: " -nonewline
if($err) {
write-host "ERROR: $err" -f darkyellow
} else {
if($page -match $regexp) {
$ver = $matches[1]
if($ver -eq $expected_ver) {
write-host "$ver" -f darkgreen
} else {
write-host "$ver" -f darkred -nonewline
write-host " (scoop version is $expected_ver)"
}
} else {
write-host "couldn't match '$regexp' in $url" -f darkred
}
}
}
<#
write-host "checking $(strip_ext (fname $_))..." -nonewline
$expected_ver = $json.version
$url = $json.checkver.url
if(!$url) { $url = $json.homepage }
$regexp = $json.checkver.re
if(!$regexp) { $regexp = $json.checkver }
$page = $wc.downloadstring($url)
if($page -match $regexp) {
$ver = $matches[1]
if($ver -eq $expected_ver) {
write-host "$ver" -f darkgreen
} else {
write-host "$ver" -f darkred -nonewline
write-host " (scoop version is $expected_ver)"
}
} else {
write-host "couldn't match '$regexp' in $url" -f darkred
}
#>