BitbucketServerAutomation/Functions/Set-BBServerDefaultBranch.ps1

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

function Set-BBServerDefaultBranch
{
    <#
    .SYNOPSIS
    Sets the default branch in a repository.
 
    .DESCRIPTION
    The `Set-BBServerDefaultBranch` function sets the specified branch as the default branch in a repository.
     
    .EXAMPLE
    Set-BBServerDefaultBranch -Connection $conn -ProjectKey 'TestProject' -RepoName 'TestRepo' -BranchName 'develop'
 
    Demonstrates how to set the branch named 'develop' as the default branch in the `TestRepo` repository.
    #>

    [CmdletBinding()]
    param(
        [Parameter(Mandatory=$true)]
        [object]
        # An object that defines what Bitbucket Server to connect to and the credentials to use when connecting.
        $Connection,

        [Parameter(Mandatory=$true)]
        [string]
        # The key/ID that identifies the project where the repository resides. This is *not* the project name.
        $ProjectKey,

        [Parameter(Mandatory=$true)]
        [string]
        # The name of a specific repository.
        $RepoName,

        [Parameter(Mandatory=$true)]
        [string]
        # The name of the branch to configure as the default branch.
        $BranchName
    )
    
    Set-StrictMode -Version 'Latest'
    
    $resourcePath = ('projects/{0}/repos/{1}/branches/default' -f $ProjectKey, $RepoName)
    
    $getCurrentBranch = Get-BBServerBranch -Connection $Connection -ProjectKey $ProjectKey -RepoName $RepoName -BranchName $BranchName
    if( !$getCurrentBranch )
    {
        Write-Error -Message ('A branch with the name ''{0}'' does not exist in the ''{1}'' repository and cannot be set as the default. Use the `New-BBServerBranch` function to create new branches.' -f $BranchName, $RepoName)
        return
    }
    
    $defaultBranchConfig = @{ id = $getCurrentBranch.id }
    $setDefaultBranch = Invoke-BBServerRestMethod -Connection $Connection -Method 'PUT' -ApiName 'api' -ResourcePath $resourcePath -InputObject $defaultBranchConfig
    
    $getCurrentBranch = Get-BBServerBranch -Connection $Connection -ProjectKey $ProjectKey -RepoName $RepoName -BranchName $BranchName
    return $getCurrentBranch
}