Replace `where` with bash-compatible `hash`

Bash throws a wonky on `where` while zsh was fine. Simpler to just use
`hash` like this since AFAICT it will be mostly equivalent.

1 files changed, 1 insertions, 1 deletions

diff --git a/environment b/environment
index e10a5c8..4952a08 100644
--- a/environment
+++ b/environment
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 bin_available() {
-	where "$1" | grep -vq ccache
+	hash "$1" 2>/dev/null
 }
 
 export GPG_TTY=$(tty)