[git-index] implement action for staging untracked files without content

IDEA-199239

GitOrigin-RevId: 8a1208c176aa50875de62e07540384a660dbe893

plugins/git4idea/resources/META-INF/plugin.xml

@@ -336,6 +336,7 @@
       <add-to-group group-id="VcsNavBarToolbarActions" anchor="after" relative-to-action="CheckinProject"/>
     </action>
     <action id="Git.Stage.Add" class="git4idea.index.actions.GitAddAction" use-shortcut-of="ChangesView.AddUnversioned"/>
+    <action id="Git.Stage.Add.No.Content" class="git4idea.index.actions.GitAddWithoutContent"/>
     <action id="Git.Stage.Reset" class="git4idea.index.actions.GitResetAction" use-shortcut-of="ChangesView.Revert"/>
     <action id="Git.Stage.Revert" class="git4idea.index.actions.GitRevertAction" use-shortcut-of="ChangesView.Revert"/>
     <action id="Git.Stage.AcceptTheirs" class="git4idea.index.actions.GitStageAcceptTheirsAction"/>
@@ -379,6 +380,7 @@
       <reference id="Git.Stage.AcceptTheirs"/>
       <reference id="Git.Stage.AcceptYours"/>
       <reference id="Git.Stage.Add"/>
+      <reference id="Git.Stage.Add.No.Content"/>
       <reference id="Git.Stage.Reset"/>
       <reference id="Git.Stage.Revert"/>
       <reference id="$Delete"/>

plugins/git4idea/resources/messages/GitBundle.properties

@@ -825,6 +825,7 @@ stage.loading.status=Loading changes\u2026
 stage.add.action.text=Stage
 stage.add.process=Staging Files\u2026
 stage.add.error.title=Failed to Stage Files
+stage.add.no.content.action.text=Stage Without Content
 stage.reset.action.text=Unstage
 stage.reset.process=Unstaging Files\u2026
 stage.reset.error.title=Failed to Unstage Files

plugins/git4idea/src/git4idea/index/actions/StagingAreaOperation.kt

@@ -43,6 +43,19 @@ object GitAddOperation : StagingAreaOperation {
   }
 }
 
+object GitAddWithoutContentOperation : StagingAreaOperation {
+  override val actionText get() = GitBundle.messagePointer("stage.add.no.content.action.text")
+  override val progressTitle get() = GitBundle.message("stage.add.process")
+  override val icon = null
+  override val errorMessage: String get() = GitBundle.message("stage.add.error.title")
+
+  override fun matches(statusNode: GitFileStatusNode) = statusNode.kind == NodeKind.UNTRACKED
+
+  override fun processPaths(project: Project, root: VirtualFile, nodes: List<GitFileStatusNode>) {
+    GitFileUtils.addPathsToIndex(project, root, nodes.map { it.filePath })
+  }
+}
+
 object GitResetOperation : StagingAreaOperation {
   override val actionText get() = GitBundle.messagePointer("stage.reset.action.text")
   override val progressTitle get() = GitBundle.message("stage.reset.process")

plugins/git4idea/src/git4idea/index/actions/StagingAreaOperationAction.kt

@@ -20,6 +20,7 @@ import git4idea.repo.GitRepository
 import git4idea.repo.GitRepositoryManager
 
 class GitAddAction : StagingAreaOperationAction(GitAddOperation)
+class GitAddWithoutContent : StagingAreaOperationAction(GitAddWithoutContentOperation)
 class GitResetAction : StagingAreaOperationAction(GitResetOperation)
 class GitRevertAction : StagingAreaOperationAction(GitRevertOperation)