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git diff filter breaks interactive commands in windows terminal with Bash #6511
Description
Existing issues matching what you're seeing
- I was not able to find an open or closed issue matching what I'm seeing
Git for Windows version
git version 2.56.0.windows.3
cpu: x86_64
built from commit: 0e9926caea36270e3e9067b5ac512ac0335a004a
sizeof-long: 4
sizeof-size_t: 8
shell-path: D:/git-sdk-64/usr/bin/sh
rust: disabled
feature: fsmonitor--daemon
gettext: enabled
libcurl: 8.23.0
OpenSSL: OpenSSL 3.5.9 29 Sep 2026
zlib: 1.3.2
SHA-1: SHA1_DC
SHA-256: SHA256_BLK
default-ref-format: files
default-hash: sha1Windows version
Windows 11
Windows CPU architecture
x86_64 (64-bit)
Additional Windows version information
Microsoft Windows [Version 10.0.26200.9711]Options set during installation
Editor Option: VIM
Custom Editor Path:
Default Branch Option:
Path Option: Cmd
SSH Option: OpenSSH
Tortoise Option: false
CURL Option: WinSSL
CRLF Option: CRLFCommitAsIs
Bash Terminal Option: ConHost
Git Pull Behavior Option: Merge
Use Credential Manager: Enabled
Performance Tweaks FSCache: Enabled
Enable Symlinks: Disabled
Enable FSMonitor: DisabledOther interesting things
The bug doesn't reproduce on mintty and Windows Terminal with PowerShell.
Interactive commands with diffFilter used to work fine until release 2.56.0.
Terminal/shell
Bash
Commands that trigger the issue
GIT_CONFIG_GLOBAL=/dev/null git -c interactive.diffFilter=cat add -ipExpected behaviour
Interactive session to work: to be able to type into the prompt, and to be albe to exit using Ctrl+C or Ctrl+D.
Actual behaviour
Cannot type, cannot exit with Ctrl+C or Ctrl+D. I have to kill the git process from task manager.
# Not using any diffFilter doesn't trigger the issue:
GIT_CONFIG_GLOBAL=/dev/null git add -ip
# Invoking git in winpty also avoid the issue:
GIT_CONFIG_GLOBAL=/dev/null winpty git -c interactive.diffFilter=cat add -ip
Repository
No response
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