From 8b5e8f4fba5728f2b3e90fcd1ab15df77e3ea0e8 Mon Sep 17 00:00:00 2001
From: Graham Christensen <graham@grahamc.com>
Date: Sun, 12 May 2024 16:42:43 -0400
Subject: [PATCH] git putFile: support flake maximalists

Passing the commit message as an argument causes update failures on repositories with lots of flake inputs. In some cases, the commit message is over 250,000 bytes.
---
 src/libfetchers/unix/git.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/libfetchers/unix/git.cc b/src/libfetchers/unix/git.cc
index fbdac1fe6..fa7ef3621 100644
--- a/src/libfetchers/unix/git.cc
+++ b/src/libfetchers/unix/git.cc
@@ -342,7 +342,8 @@ struct GitInputScheme : InputScheme
                 logger->pause();
                 Finally restoreLogger([]() { logger->resume(); });
                 runProgram("git", true,
-                    { "-C", repoInfo.url, "--git-dir", repoInfo.gitDir, "commit", std::string(path.rel()), "-m", *commitMsg });
+                    { "-C", repoInfo.url, "--git-dir", repoInfo.gitDir, "commit", std::string(path.rel()), "-F", "-" },
+                    *commitMsg);
             }
         }
     }