support local installs on Windows (#38)

Co-authored-by: Radford Smith <11401+rads@users.noreply.github.com>

CHANGELOG.md

@@ -1,5 +1,8 @@
 # Changelog
 
+## Unreleased
+- [local installs without aliases throw exception on Windows](https://github.com/babashka/bbin/issues/37)
+
 ## 0.1.3
 
 - [Fix script args being ignored when installing JARs](https://github.com/babashka/bbin/commit/ac85b8f984c8a30683c219d8d0faa32ef91e93e2)

bbin

@@ -381,10 +381,10 @@ WARNING:   - Set the BABASHKA_BBIN_BIN_DIR env variable to \"$HOME/.babashka/bbi
                 #"\."))))
 
 (defn- file-path->script-name [file-path]
-  (util/snake-case
-    (first
-      (str/split (last (str/split file-path #"/"))
-                 #"\."))))
+  (-> file-path
+    fs/file-name
+    fs/strip-ext
+    util/snake-case))
 
 (defn- bb-shebang? [s]
   (str/starts-with? s "#!/usr/bin/env bb"))

src/babashka/bbin/scripts.clj

@@ -222,10 +222,10 @@
                 #"\."))))
 
 (defn- file-path->script-name [file-path]
-  (util/snake-case
-    (first
-      (str/split (last (str/split file-path #"/"))
-                 #"\."))))
+  (-> file-path
+    fs/file-name
+    fs/strip-ext
+    util/snake-case))
 
 (defn- bb-shebang? [s]
   (str/starts-with? s "#!/usr/bin/env bb"))