use backslash character to escape special characters in the bash command to make the error message output correctly.

zhaoqxu · copybara-github · commit 824889ac0b0c · 2023-11-13T15:53:52.000-08:00
PiperOrigin-RevId: 582110416
Change-Id: I917a36ac6a6a2073a4c591580bb57c3614587d95
diff --git a/rules/proguard.bzl b/rules/proguard.bzl
@@ -662,7 +662,7 @@ def _merge_proguard_maps(
 def _fail_action(ctx, *outputs):
     ctx.actions.run_shell(
         outputs = [output for output in outputs if output != None],
-        command = "echo \"Unable to run proguard without `proguard_specs`\"; exit 1;",
+        command = "echo \"Unable to run proguard without \\`proguard_specs\\`\"; exit 1;",
     )
 
 proguard = struct(

Original file line number	Diff line number	Diff line change
`@@ -662,7 +662,7 @@ def _merge_proguard_maps(`
`662`	`662`	`def _fail_action(ctx, *outputs):`
`663`	`663`	`ctx.actions.run_shell(`
`664`	`664`	`outputs = [output for output in outputs if output != None],`
`665`		- command = "echo \"Unable to run proguard without `proguard_specs`\"; exit 1;",
	`665`	+ command = "echo \"Unable to run proguard without \\`proguard_specs\\`\"; exit 1;",
`666`	`666`	`)`
`667`	`667`
`668`	`668`	`proguard = struct(`