Debugger issues related to path mappings and case sensitive paths

[DonJayamanne]

• If drive letter is in lower case, then path mappings will not work

• Note: Its possible drive letter can be in lower case (e.g. user set path in shell using a lower case drive letter, e.g. cd c:/x.... (at this point, all paths have lower case c).

• Debugging opens new all-lowercase file Debugging opens new all-lowercase file #5049 (PTVSD)

• Debugger does not work with google drives designated as g: or any drive letter Debugger does not work with google drives designated as g: or any drive letter #4658 (VSCode)

• Remote debugging fails due to incorrect path mappings Remote debugging fails due to incorrect path mappings #5075 (PTVSD, Path Mapping)

• Remote debugging failed Remote debugging failed with warning "pydev debugger: warning: try to add breakpoint to file that does not exist" #5094 (PTVSD, Path Mapping)

• Duplicate file tab during debugging on Windows Duplicate file tab during debugging on Windows #4166

• Multi process debugging with launch does not work due to path mappings

  • Solution Using "request": "launch" item in launch.json for debugging does not send pathMappings #3568 April Sprint

• VS Code opening duplicate window with remote debugging and live reloading VS Code opening duplicate window with remote debugging and live reloading #3185 (VS Code Inconsistent drive letters in debugger breaking Python debugger vscode#67523)

[DonJayamanne]

Discussed with @qubitron
If path makings had lower case drive letter, things won't work.
Similarly we other issues

[DonJayamanne]

Another symptom of this #3185 & microsoft/ptvsd#973

[luabud]

@DonJayamanne why is it needs-spec?

[DonJayamanne]

Needs spec from debugger team.

[DonJayamanne]

@karthiknadig Please confirm the changes in #7024 are as expected.

[karthiknadig]

Closing this as stale. Please create separate bugs if this are still occurring.