Fix debugging issues

#36
A stopgap for ^

BuildServiceShim/BUILD

@@ -5,8 +5,13 @@ cc_binary(
     srcs = ["main.c"],
 )
 
+sh_library(
+    name = "BuildServiceShim_deps",
+    data = ["stub.sh"],
+)
+
 sh_binary(
     name = "BuildServiceShim",
     srcs = [":main"],
-    data = glob(["*.sh"]),
+    deps = [":BuildServiceShim_deps"]
 )

BuildServiceShim/main.c

@@ -1,7 +1,15 @@
 #include <stdlib.h>
 
 int main(int ac, char** av) {
-    // Run a bash script "stub" adjacent to the binary
-    system("/bin/bash -c \"$(dirname $XCBBUILDSERVICE_PATH)/BuildServiceShim.runfiles/__main__/BuildServiceShim/stub.sh\"");
-    return 0;
+    // FIXME: not good assumptions:
+    // - the BUILDSERVICE_PATH ( self ) is deep in bazel-out
+    // https://github.com/jerrymarino/xcbuildkit/issues/36
+    int st = system("/bin/bash -c \"$(dirname $(dirname $(dirname $XCBBUILDSERVICE_PATH)))/BuildServiceShim/stub.sh\"");
+
+    // This atleast crashes it if its wrong
+    if (WEXITSTATUS(st) == 0x10) {
+        return 0;
+    } else {
+        return 1;
+    }
 }

BuildServiceShim/stub.sh

@@ -1,26 +1,22 @@
 #!/bin/bash
 
-# The service is adjacent to this program
-# The layer of indirection is useful for debugging and not
-# a production component
-SERVICE="$(dirname $(dirname $XCBBUILDSERVICE_PATH))/BazelBuildService_app_dir/BazelBuildService.app/Contents/MacOS/BazelBuildService"
-
 function redirect() {
-    #tee  >($SERVICE) /tmp/xcbuild.out
     /usr/bin/env - XCBUILD_TRACING_URL=/tmp/xcbuild.trace TERM="${TERM}" SHELL="${SHELL}" PATH="${PATH}" HOME="${HOME}" \
     tee  /tmp/xcbuild.in | \
     $XCODE/Contents/SharedFrameworks/XCBuild.framework/PlugIns/XCBBuildService.bundle/Contents/MacOS/XCBBuildService | \
     tee  /tmp/xcbuild.out
 }
 
 function replace() {
+    local SERVICE="$DEBUG_BUILDSERVICE_PATH"
     /usr/bin/env - TERM="${TERM}" SHELL="${SHELL}" PATH="${PATH}" HOME="${HOME}" \
     tee  /tmp/xcbuild.in | $SERVICE | tee /tmp/xcbuild.out
 }
 
-# This simply redirects stdin and stdout of Xcode's build service
-if [[ "${BUILD_SERVICE_REDIRECT:-false}" == "true" ]]; then
-    redirect
-else
+if [[ -n "$DEBUG_BUILDSERVICE_PATH" ]]; then
+    echo "[stub.sh] Replacing ($DEBUG_BUILDSERVICE_PATH)" >> /tmp/xcbuild.log
     replace
+else
+    echo "[stub.sh] Shimming" >> /tmp/xcbuild.log
+    redirect
 fi