build and copy cli binary in postinstall script

.gitignore

@@ -4,6 +4,7 @@
 /.crystal/
 /.shards/
 /dev/
+/bin/
 
 # Libraries don't need dependency lock
 # Dependencies will be locked in application that uses them

Makefile

@@ -0,0 +1,14 @@
+all:
+
+install: ../../bin/sentry
+
+../../bin/sentry: bin/sentry ../../bin
+	cp bin/sentry ../../bin/
+
+../../bin:
+	mkdir -p ../../bin
+
+bin/sentry:
+	shards build --release sentry
+
+.PHONY: all install bin/sentry

shard.yml

@@ -1,6 +1,13 @@
 name: sentry
 version: 0.3.1
 
+scripts:
+  postinstall: make install
+
+targets:
+  sentry:
+    main: src/sentry_cli.cr
+
 authors:
   - Sam Eaton <[email protected]>
 crystal: 0.27.0

src/sentry.cr

@@ -263,13 +263,10 @@ module Sentry
             file_changed = true if (app_process && !app_process.terminated?)
           end
         end
-      rescue ex : Errno
+      rescue ex : File::Error
         # The underlining lib for reading directories will fail very rarely, crashing Sentry
         # This catches that error and allows Sentry to carry on normally
-        # https://github.com/crystal-lang/crystal/blob/59788834554399f7fe838487a83eb466e55c6408/src/errno.cr#L37
-        unless ex.to_s == "readdir: Input/output error"
-          raise ex
-        end
+        # https://github.com/crystal-lang/crystal/blob/677422167cbcce0aeea49531896dbdcadd2762db/src/crystal/system/unix/dir.cr#L19
       end
 
       start_app() if (file_changed || app_process.nil?)