cp - 'are the same file'

cp-error.sh

## Below is a script/log (anonymized) of an instance where I'm getting "are the same file" errors from `cp`
##  Clearly they are not "the same file", but have identical contents and the 2nd is from a `git clone` command

#!/bin/bash
# me@myhost:/mnt/c/prj/someorg/some-project$ ls -lah;
ls -lah;
# total 0
# drwxr-xr-x 1 someuser root     512 Sep 15 10:26 .
# drwxr-xr-x 1 someuser root     512 Jun  3 06:48 ..
# drwxr-xr-x 1 someuser root     512 Apr 16 10:46 .vscode
# drwxr-xr-x 1 someuser someuser 512 Sep 15 10:26 some-project
# drwxr-xr-x 1 someuser someuser 512 Sep 15 10:26 some-project_src

# me@myhost:/mnt/c/prj/someorg/some-project$ cp -ar ./some-project_src/* ./some-project/;
cp -ar ./some-project_src/* ./some-project/;
# cp: './some-project_src/CHANGELOG.md' and './some-project/CHANGELOG.md' are the same file
# cp: './some-project_src/README.md' and './some-project/README.md' are the same file
# cp: './some-project_src/cicd-aws-policy.json' and './some-project/cicd-aws-policy.json' are the same file
# cp: './some-project_src/package.json' and './some-project/package.json' are the same file
# cp: './some-project_src/scripts' and './some-project/scripts' are the same file
# cp: './some-project_src/src' and './some-project/src' are the same file
# cp: './some-project_src/template-sample.yaml' and './some-project/template-sample.yaml' are the same file
# cp: './some-project_src/test' and './some-project/test' are the same file

# me@myhost:/mnt/c/prj/someorg/some-project$ ls -lah ./some-project_src/CHANGELOG.md;
ls -lah ./some-project_src/CHANGELOG.md;
# -rw-r--r-- 1 someuser someuser 357 Sep 15 10:26 ./some-project_src/CHANGELOG.md

# me@myhost:/mnt/c/prj/someorg/some-project$ ls -lah ./some-project/CHANGELOG.md;
ls -lah ./some-project/CHANGELOG.md;
# -rw-r--r-- 1 someuser someuser 357 Sep 15 10:26 ./some-project/CHANGELOG.md

# me@myhost:/mnt/c/prj/someorg/some-project$ md5sum ./some-project_src/CHANGELOG.md;
md5sum ./some-project_src/CHANGELOG.md;
# 3d6f4c07fdae7b89d51ad0c9f7232459  ./some-project_src/CHANGELOG.md

# me@myhost:/mnt/c/prj/someorg/some-project$ md5sum ./some-project/CHANGELOG.md;
md5sum ./some-project/CHANGELOG.md;
# 3d6f4c07fdae7b89d51ad0c9f7232459  ./some-project/CHANGELOG.md