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Issue with GitHub Copilot in VS Code when using Git Bash on Windows #249444

Open
@iwangbowen

Description

@iwangbowen

Type: Bug

Issue with GitHub Copilot in VS Code when using Git Bash on Windows

When using GitHub Copilot's agent mode in Windows with Git Bash, there's a consistent path format issue. The agent initially uses Windows path format (backslashes) when executing commands involving file paths, which causes errors in Git Bash. Only after failing does it switch to Git Bash compatible paths (forward slashes).

Could this be fixed by either:

  1. Making the agent recognize Git Bash environment automatically
  2. Adding configuration options to set preferred path format
  3. Using special prompt instructions to inform the agent about the correct path format to use

VS Code version: Code - Insiders 1.101.0-insider (496ebc4, 2025-05-21T05:04:29.987Z)
OS version: Windows_NT x64 10.0.26100
Modes:

System Info
Item Value
CPUs 13th Gen Intel(R) Core(TM) i5-1340P (16 x 2189)
GPU Status 2d_canvas: enabled
canvas_oop_rasterization: enabled_on
direct_rendering_display_compositor: disabled_off_ok
gpu_compositing: enabled
multiple_raster_threads: enabled_on
opengl: enabled_on
rasterization: enabled
raw_draw: disabled_off_ok
skia_graphite: disabled_off
video_decode: enabled
video_encode: enabled
vulkan: disabled_off
webgl: enabled
webgl2: enabled
webgpu: enabled
webnn: disabled_off
Load (avg) undefined
Memory (System) 63.64GB (31.12GB free)
Process Argv --crash-reporter-id 3df60e69-6e36-46e5-9b3d-020ce9a3ab01
Screen Reader no
VM 0%
Extensions (147)
Extension Author (truncated) Version
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powershell ms- 2025.3.0
remote-explorer ms- 0.6.2025051209
remote-repositories ms- 0.43.2024112101
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vscode-serial-monitor ms- 0.13.250520001
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omegasheets-vscode rep 0.2.0
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code-spell-checker str 4.1.0
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shellcheck tim 0.37.7
vscode-decompiler tin 0.1.0
pdf tom 1.2.2
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errorlens use 3.26.0
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(1 theme extensions excluded)

A/B Experiments
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