bat: udpate to 0.18.1.

Also don't pipe find into head unnecessarily.  `find|head -n1` requires
find to terminate with SIGPIPE when head is dead, but
`find ... -print -quit` will allow it to quit by itself. The -quit flag
is supported by GNU findutils and busybox find.

srcpkgs/bat/template

@@ -1,6 +1,6 @@
 # Template file for 'bat'
 pkgname=bat
-version=0.18.0
+version=0.18.1
 revision=1
 build_style=cargo
 hostmakedepends="cmake llvm clang"
@@ -10,7 +10,7 @@ maintainer="John <me@johnnynator.dev>"
 license="Apache-2.0, MIT"
 homepage="https://github.com/sharkdp/bat"
 distfiles="https://github.com/sharkdp/bat/archive/v${version}.tar.gz"
-checksum=49d1b95250050df47753c213b5e48953a029c9e74753cef371051b14c9d629b8
+checksum=ab5246c3bec8745c14ca9a0473971f00fbce2fdc1ce7842e0a96676ee5eac2af
 
 pre_build() {
 	export CFLAGS_${RUST_BUILD//-/_}="${CFLAGS_host}"
@@ -25,8 +25,8 @@ post_install() {
 	manpage=$(find ${wrksrc}/target -name bat.1 | head -n1)
 	vman ${manpage}
 	# Completions are also hidden somewhere deep in the build tree
-	fish_completion=$(find ${wrksrc}/target -name bat.fish | head -n1)
+	fish_completion=$(find ${wrksrc}/target -name bat.fish -print -quit)
 	vcompletion ${fish_completion} fish
-	zsh_completion=$(find ${wrksrc}/target -name bat.zsh | head -n1)
+	zsh_completion=$(find ${wrksrc}/target -name bat.zsh -print -quit)
 	vcompletion ${zsh_completion} zsh
 }