There is already a "fish" shell.
diff -ur bsd-games-2.17.orig/fish/Makefrag bsd-games-2.17/fish/Makefrag
--- bsd-games-2.17.orig/fish/Makefrag	1970-01-01 07:00:01.000000000 +0700
+++ bsd-games-2.17/fish/Makefrag	2020-08-06 19:18:43.204492847 +0700
@@ -31,7 +31,7 @@
 fish_all:	fish/fish fish/fish.instr fish/fish.6

 fish_install:	fish_all
-	$(INSTALL_BINARY) fish/fish $(INSTALL_PREFIX)$(GAMESDIR)/fish
+	$(INSTALL_BINARY) fish/fish $(INSTALL_PREFIX)$(GAMESDIR)/fish-game
	$(HIDE_GAME) fish
	$(INSTALL_DATA) fish/fish.instr $(INSTALL_PREFIX)$(FISH_INSTRFILE)
	$(INSTALL_MANUAL) fish/fish.6
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<tr><td><span title='2024-03-17 12:53:21 +0100'>2024-03-17</span></td><td><a href='/guix/commit/gnu/tests/messaging.scm?id=85083527ddb5d4672ae069590aa65ec6ebce96e1'>gnu: tests: Fix prosody system test.</a><span class='msg-avail'>...<span class='msg-tooltip'>The test was failing because the sasl module no longer accepts PLAIN auth on
insecure connections.

* gnu/tests/messaging.scm (%test-prosody): Configure test prosody to allow all
auth types on insecure connections.

Change-Id: I142f3b6ccbdde4bdde86ce0698fea7d5509fc200
Signed-off-by: Liliana Marie Prikler &lt;liliana.prikler@gmail.com&gt;
</span></span></td><td>Carlo Zancanaro</td></tr>