```
function Convert-Control {
    Param($full)
    .\vcpkg.exe format-manifest $full
    $root = $full.Substring(0, $full.Length - 7) # CONTROL
    $new = $root + 'vcpkg.json'
    $content = Get-Content -Raw $new
    $asJson = ConvertFrom-Json $content -AsHashtable -Depth 100
    $oldVersion = $asJson['port-version']
    if ($null -eq $oldVersion) {
        $oldVersionFull = $asJson['version-string']
        Write-Host "Got version $oldVersionFull"
        $match = [System.Text.RegularExpressions.Regex]::Match($oldVersionFull, '^(.+)-(\d+)$')
        if ($match.Success -and -not [System.Text.RegularExpressions.Regex]::IsMatch($oldVersionFull, '^\d\d\d\d-\d\d-\d\d$')) {
            $newFullVersion = [string]$match.Groups[1].Value
            $oldVersion = [int]$match.Groups[2].Value
            Write-Host "newFullVersion $newFullVersion oldVersion $oldVersion"
            $newVersion = $oldVersion + 1
            $asJson['version-string'] = $newFullVersion
            Write-Host "Previous version for $full extracted from version field -- setting version-string $newFullVersion and port-version $newVersion"
        } else {
            Write-Host "No previous version for $full -- setting 1"
            $newVersion = 1
        }
    } else {
        $newVersion = [int]$oldVersion + 1
        Write-Host "New version for $full : $newVersion"
    }

    $asJson['port-version'] = $newVersion

    $content = ConvertTo-Json $asJson -Depth 100
    Set-Content -Path $new -Value $content
    .\vcpkg.exe format-manifest $new
}

Get-ChildItem ports\CONTROL -Recurse | Foreach-Object {
    Convert-Control $_.FullName
}

git commit -am "this message"
.\vcpkg.exe x-add-version -all
git commit -a --amend
```

vcpkg will now fail on failure to apply patches except when using `--head`.

* [vcpkg] Add "Homepage" field to the CONTROL files.

* [many ports] Updates 2019.05.08

* Undo changes for failure ports grpc libjpeg-turbo curl cartographer

* [guetzli] Patch to handle breaking changes in butteraugli

* [various ports] remove references to CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS

* [alac,benchmark,capnproto] Fix  check_linkage call

* [fastlz] Fix SHA512

* [coroutine] Fix dynamic build

* [folly] Find double-conversion

* [gamma] Use vcpkg_from_github

* [librsync] Enable static builds

* [netcdf-cxx4] Fix SHA512

* [octomap] Fix static build

* [tidy-html5] Fix static build

* [various ports] remove custom messages for shared/static builds, modernize some scripts in the meantime

* [folly] Use ras0219's fix for link paths

* [octomap] Fix exported targets

* [uvatlas] Set tool download SHA512

* [duktape+python2] fix portfile to call configure with correct python version, manage python2 also outside win32

* [suitesparse] osx fix

* [gtkmm] Call vcpkg_check_linkage after including vcpkg functions

* [duktape] Resolve conflicts

* [duktape] FIxed typo in Python paths

* [wangle] Find zlib

* [openssl-uwp] Fix SHA512

* [glib] Allow static builds on non-Windows

* [suitesparse] Fix build on Windows

* [multiple ports] Bump CONTROL version

* [multiple ports] Fix description indent

* [directxtk] Fix CONTROL file

* [bde,duktape,qpid-proton] Build packages with python2 installed

* [binn] remove CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS

* [gdal,live555,uriparser] Fix regressions

* [live555] Update to 2019.04.24