From 0b245b7ad19141758a59912c9919e7a669e8ff81 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.

(cherry picked from commit 8b5e8f4fba5728f2b3e90fcd1ab15df77e3ea0e8)
---
 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 0c54c5504..c7f61ab80 100644
--- a/src/libfetchers/unix/git.cc
+++ b/src/libfetchers/unix/git.cc
@@ -343,7 +343,8 @@ 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);
             }
         }
     }