On 13/02/2023 20:53, Jeff King wrote: > On Sun, Feb 12, 2023 at 09:04:26AM +0000, Eric Wong wrote: > >> Sidenote: I'm curious about the reason $(pwd) is used in some >> places while $PWD seems fine in others, so it doesn't seem to be >> a portability problem. I chose $PWD since it's faster. > It sometimes matters; one is a Windows path (with "C:\", etc) and one is > a Unix-style path. Many spots are happy with either type, but it > sometimes bites us when doing string comparisons, or in a few specific > cases. See > > https://lore.kernel.org/git/d36d8b51-f2d7-a2f5-89ea-369f49556e10@xxxxxxxx/ > > for an example. > There is guidance in t/README L680-684 though it maybe not that easy to spot. A more recent patch was https://lore.kernel.org/git/4f5c5633-f5a2-3c99-329e-3057b8d447d2@xxxxxxxx/ with slightly more details. Philip