On Fri, 13 May 2022 09:11:30 +0200 Ulrich Mueller <u...@gentoo.org> wrote:
> Recently Debian has started to transition away from the "which" > command. [1] > > which is a non-POSIX command which prints out the location of > specified executables that are in your path. Unfortunately, there are > several versions of the program around which are not compatible with > each other. We package the GNU version as sys-apps/which, which is in > the system set since 2004. > > Already in 2007, vapier asked developers to avoid which in ebuilds. > [2] The replacement in most circumstances is "type -p" which is a bash > builtin command. > > So, should we join the "which hunt", with the goal of removing > sys-apps/which from the system set and from stage1? I think the first > step would be to identify which packages use which, and add it as an > explicit dependency. (Maybe the tinderbox could help there?) A bug for > this [3] has already been filed by mgorny some time ago. > > Unfortunately, the command pops up in unexpected places, e.g. it > appears to be an (indirect) build-time dependency of systemd. [4] > > Ulrich > > [1] https://lwn.net/Articles/874049/ > [2] > https://archives.gentoo.org/gentoo-dev/message/e04d4db72572dd5fec48e87c6b18c525 > [3] https://bugs.gentoo.org/646588 [4] https://bugs.gentoo.org/502084 To solve this exact issue I wrote a pure shell script to find executable files in the user's $PATH. It should work with posix compatible shell and about as fast as which(1). https://notabug.org/orbea/exists/src/master/exists.sh There are a lot of tests as well. https://notabug.org/orbea/exists/src/master/test.sh
