On 5/13/2020 8:31 PM, Jason Gross via Cygwin wrote:
This does not explain why `ls` displays "Makefile" as "Makefile"
before I run `patch`, but displays the filename as "MAKEFILE" after I
run `patch`. Nor does it explain why this happens to patch-modified
files, but not to files modified via sed -i.
I vaguely recall from several years ago a strange patch issue that I finally
tracked down to environment variables used by patch to determine its temporary
directory. From 'man patch':
ENVIRONMENT
[...]
TMPDIR, TMP, TEMP
Directory to put temporary files in; patch uses the first environ‐
ment variable in this list that is set. If none are set, the de‐
fault is system-dependent; it is normally /tmp on Unix hosts.
Do you have any of those variables set to a value other than /tmp?
Ken
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