azure-sdk-for-cpp/eng/common/scripts/Helpers/git-helpers.ps1
2022-03-24 14:52:26 -07:00

39 lines
1.7 KiB
PowerShell

# cSpell:ignore Committish
# cSpell:ignore PULLREQUEST
# cSpell:ignore TARGETBRANCH
# cSpell:ignore SOURCECOMMITID
function Get-ChangedFiles {
param (
[string]$SourceCommittish= "${env:SYSTEM_PULLREQUEST_SOURCECOMMITID}",
[string]$TargetCommittish = ("origin/${env:SYSTEM_PULLREQUEST_TARGETBRANCH}" -replace "refs/heads/"),
[string]$DiffPath,
[string]$DiffFilterType = "d"
)
# If ${env:SYSTEM_PULLREQUEST_TARGETBRANCH} is empty, then return empty.
if (!$TargetCommittish -or ($TargetCommittish -eq "origin/")) {
Write-Host "There is no target branch passed in. "
return ""
}
# Add config to disable the quote and encoding on file name.
# Ref: https://github.com/msysgit/msysgit/wiki/Git-for-Windows-Unicode-Support#disable-quoted-file-names
# Ref: https://github.com/msysgit/msysgit/wiki/Git-for-Windows-Unicode-Support#disable-commit-message-transcoding
# Git PR diff: https://docs.github.com/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/about-comparing-branches-in-pull-requests#three-dot-and-two-dot-git-diff-comparisons
$command = "git -c core.quotepath=off -c i18n.logoutputencoding=utf-8 diff `"$TargetCommittish...$SourceCommittish`" --name-only --diff-filter=$DiffFilterType"
if ($DiffPath) {
$command = $command + " -- `'$DiffPath`'"
}
Write-Host $command
$changedFiles = Invoke-Expression -Command $command
if(!$changedFiles) {
Write-Host "No changed files in git diff between $TargetCommittish and $SourceCommittish"
}
else {
Write-Host "Here are the diff files:"
foreach ($file in $changedFiles) {
Write-Host " $file"
}
}
return $changedFiles
}