1 files changed, 31 insertions, 0 deletions
diff --git a/Omni/Agent/Git.hs b/Omni/Agent/Git.hs
index b1978f2..4c06cf6 100644
--- a/Omni/Agent/Git.hs
+++ b/Omni/Agent/Git.hs
@@ -13,6 +13,10 @@ module Omni.Agent.Git
     getCurrentBranch,
     branchExists,
     isMerged,
+    listBranches,
+    showFile,
+    getRepoRoot,
+    runGit,
     main,
     test,
   )
@@ -199,3 +203,30 @@ isMerged repo branch target = do
   let cmd = (Process.proc "git" ["merge-base", "--is-ancestor", Text.unpack branch, Text.unpack target]) {Process.cwd = Just repo}
   (code, _, _) <- Process.readCreateProcessWithExitCode cmd ""
   pure (code == Exit.ExitSuccess)
+
+listBranches :: FilePath -> Text -> IO [Text]
+listBranches repo pat = do
+  let cmd = (Process.proc "git" ["branch", "--list", Text.unpack pat, "--format=%(refname:short)"]) {Process.cwd = Just repo}
+  (code, out, _) <- Process.readCreateProcessWithExitCode cmd ""
+  case code of
+    Exit.ExitSuccess -> pure <| filter (not <. Text.null) (Text.lines (Text.pack out))
+    _ -> panic "git branch list failed"
+
+showFile :: FilePath -> Text -> FilePath -> IO (Maybe Text)
+showFile repo branch path = do
+  let cmd = (Process.proc "git" ["show", Text.unpack branch <> ":" <> path]) {Process.cwd = Just repo}
+  (code, out, _) <- Process.readCreateProcessWithExitCode cmd ""
+  case code of
+    Exit.ExitSuccess -> pure <| Just (Text.pack out)
+    _ -> pure Nothing
+
+getRepoRoot :: FilePath -> IO FilePath
+getRepoRoot dir = do
+  let cmd = (Process.proc "git" ["rev-parse", "--show-toplevel"]) {Process.cwd = Just dir}
+  (code, out, _) <- Process.readCreateProcessWithExitCode cmd ""
+  case code of
+    Exit.ExitSuccess -> pure <| strip out
+    _ -> panic "git rev-parse failed"
+
+runGit :: FilePath -> [String] -> IO ()
+runGit = git