patch command incorrectly capitalizes filenames that live on external USB flash drives

[Marco Atzeri]

Am 28.04.2020 um 21:27 schrieb Jason Gross via Cygwin:
> Consider the following script in foo.sh:
> ```
> #!/usr/bin/env bash
> 
> set -ex
> 
> cd "$1"
> rm -rf foo
> mkdir foo
> cd foo
> cat > Makefile <<EOF
> a
> b
> c
> d
> e
> EOF
> cat > diff <<EOF
> diff --git a/Makefile b/Makefile
> index 9405325..86d2f8c 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -1,5 +1,5 @@
>   a
>   b
> -c
> +ccc
>   d
>   e
> EOF
> patch -p1 -i ./diff
> ls
> ```
> 
> If I run `./foo.sh /cygdrive/c/`, I get, as expected,
> ```
> + cd /cygdrive/c/
> + rm -rf foo
> + mkdir foo
> + cd foo
> + cat
> + cat
> + patch -p1 -i ./diff
> patching file Makefile
> + ls
> diff  Makefile
> ```
> 
> If I instead run `./foo.sh /cygdrive/h/`, I get
> ```
> + cd /cygdrive/h/
> + rm -rf foo
> + mkdir foo
> + cd foo
> + cat
> + cat
> + patch -p1 -i ./diff
> patching file Makefile
> + ls
> diff  MAKEFILE
> ```
> 
> My C drive is an internal SSD (NTFS), my H drive is an external flash
> drive (FAT32).  I installed cygwin with the commands:


use a flash driver with NTFS and check the difference

I doubt it is a patch issue