Avoid trying to install svgbob when already installed

ci/test-stable.sh

@@ -13,15 +13,20 @@ _() {
 }
 
 maybe_install() {
-  for cmd in "$@"; do
-    set +e
-    "$cmd" --help > /dev/null 2>&1
-    declare exitcode=$?
-    set -e
-    if [[ $exitcode -ne 0 ]]; then
-      _ cargo install "$cmd"
-    fi
-  done
+  declare cmd=$1
+  declare crate=$2
+
+  if [[ -z $crate ]]; then
+    crate=$cmd
+  fi
+
+  set +e
+  "$cmd" --help > /dev/null 2>&1
+  declare exitcode=$?
+  set -e
+  if [[ $exitcode -ne 0 ]]; then
+    _ cargo install "$crate"
+  fi
 }
 
 _ cargo build --all --verbose
@@ -47,7 +52,7 @@ done
 # Build the HTML
 export PATH=$CARGO_HOME/bin:$PATH
 maybe_install mdbook
-maybe_install svgbob_cli
+maybe_install svgbob svgbob_cli
 _ make -C book
 
 echo --- ci/localnet-sanity.sh