From 22f22406d18233bf8b10b7d5c452893a4bb77fc5 Mon Sep 17 00:00:00 2001
From: Chris Cummins <chrisc.101@gmail.com>
Date: Sun, 12 Jan 2020 18:37:42 +0000
Subject: [PATCH] Write commit message to local cache.

Signed-off-by: format 2020.01.12 <github.com/ChrisCummins/format>

[Exported from 6f77cd82ffc80c2814574d6ad9455e0c0a419daf]
---
 tools/format/format.py   | 2 +-
 tools/format/git_util.py | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/tools/format/format.py b/tools/format/format.py
index 0fe453ff..7f0f50ac 100644
--- a/tools/format/format.py
+++ b/tools/format/format.py
@@ -126,7 +126,7 @@ def Main(argv):
     print("\n".join(sorted(formatters.keys())))
     return
   elif FLAGS.install_pre_commit_hook:
-    git_util.InstallPreCommitHookOrDie()
+    git_util.InstallPreCommitHookOrDie(cache_dir)
     return
 
   # Acquire an inter-process lock. This does not need to be released - cleanup
diff --git a/tools/format/git_util.py b/tools/format/git_util.py
index 77e4d618..0c6f8c50 100644
--- a/tools/format/git_util.py
+++ b/tools/format/git_util.py
@@ -92,7 +92,7 @@ def GitAddOrDie(paths: Iterable[pathlib.Path]):
     sys.exit(1)
 
 
-def InstallPreCommitHookOrDie():
+def InstallPreCommitHookOrDie(cache_path: pathlib.Path):
   git_root = GetGitRootOrDie()
 
   hooks_dir = git_root / ".git" / "hooks"
@@ -121,10 +121,10 @@ def InstallPreCommitHookOrDie():
     f.write(
       f"""\
 #!/usr/bin/env bash
-cp $1 /tmp/format_pre_commit_message.txt
+cp $1 {cache_path / 'git_commit_message.txt'}
 echo -e "\\n\\nSigned-off-by: format {version} <github.com/ChrisCummins/format>" > $1
-cat /tmp/format_pre_commit_message.txt >> $1
-rm -f /tmp/format_pre_commit_message.txt
+cat {cache_path / 'git_commit_message.txt'} >> $1
+rm -f {cache_path / 'git_commit_message.txt'}
 """
     )
   os.chmod(prepare_commit_msg, 0o744)