From eba7cbe696c9772ba99da979ac163d68866d7192 Mon Sep 17 00:00:00 2001
From: Shane Kilkelly <shane.kilkelly@overleaf.com>
Date: Thu, 14 Jan 2021 13:56:19 +0000
Subject: [PATCH] Implement gzip in FSGitRepoStore

---
 .../bridge/repo/FSGitRepoStore.java           | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/bridge/repo/FSGitRepoStore.java b/services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/bridge/repo/FSGitRepoStore.java
index 72eb44a5b4..c440f30115 100644
--- a/services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/bridge/repo/FSGitRepoStore.java
+++ b/services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/bridge/repo/FSGitRepoStore.java
@@ -139,6 +139,15 @@ public class FSGitRepoStore implements RepoStore {
         return Tar.bz2.zip(getDotGitForProject(projectName), sizePtr);
     }
 
+    @Override
+    public InputStream gzipProject(
+        String projectName,
+        long[] sizePtr
+    ) throws IOException {
+        Project.checkValidProjectName(projectName);
+        return Tar.gzip.zip(getDotGitForProject(projectName), sizePtr);
+    }
+
     @Override
     public void gcProject(String projectName) throws IOException {
         Project.checkValidProjectName(projectName);
@@ -171,6 +180,25 @@ public class FSGitRepoStore implements RepoStore {
         Tar.bz2.unzip(dataStream, getDirForProject(projectName));
     }
 
+    @Override
+    public void ungzipProject(
+      String projectName,
+      InputStream dataStream
+    ) throws IOException {
+        Preconditions.checkArgument(
+            Project.isValidProjectName(projectName),
+            "[%s] invalid project name: ",
+            projectName
+        );
+        Preconditions.checkState(
+            getDirForProject(projectName).mkdirs(),
+          "[%s] directories for " +
+            "evicted project already exist",
+            projectName
+        );
+        Tar.gzip.unzip(dataStream, getDirForProject(projectName));
+    }
+
     private File getDirForProject(String projectName) {
         Project.checkValidProjectName(projectName);
         return Paths.get(