gopls: use the = form in flag parameter printing rather than a space

For #41860

Change-Id: I9956d06aa26df54f57a4fedb30b36fe39f19ee3e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/367840
Trust: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
gopls-CI: kokoro <noreply+kokoro@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>

internal/lsp/cmd/cmd.go

@@ -167,7 +167,7 @@ func printFlagDefaults(s *flag.FlagSet) {
 		f := entry[0]
 		name, usage := flag.UnquoteUsage(f)
 		if len(name) > 0 {
-			b.WriteString(" ")
+			b.WriteString("=")
 			b.WriteString(name)
 		}
 		// Boolean flags of one ASCII letter are so common we

internal/lsp/cmd/usage/serve.hlp

@@ -7,23 +7,23 @@ The server communicates using JSONRPC2 on stdin and stdout, and is intended to b
 a child of an editor process.
 
 server-flags:
-  -debug string
+  -debug=string
     	serve debug information on the supplied address
-  -listen string
+  -listen=string
     	address on which to listen for remote connections. If prefixed by 'unix;', the subsequent address is assumed to be a unix domain socket. Otherwise, TCP is used.
-  -listen.timeout duration
+  -listen.timeout=duration
     	when used with -listen, shut down the server when there are no connected clients for this duration
-  -logfile string
+  -logfile=string
     	filename to log to. if value is "auto", then logging to a default output file is enabled
-  -mode string
+  -mode=string
     	no effect
-  -port int
+  -port=int
     	port on which to run gopls for debugging purposes
-  -remote.debug string
+  -remote.debug=string
     	when used with -remote=auto, the -debug value used to start the daemon
-  -remote.listen.timeout duration
+  -remote.listen.timeout=duration
     	when used with -remote=auto, the -listen.timeout value used to start the daemon (default 1m0s)
-  -remote.logfile string
+  -remote.logfile=string
     	when used with -remote=auto, the -logfile value used to start the daemon
   -rpc.trace
     	print the full rpc trace in lsp inspector format

internal/lsp/cmd/usage/usage.hlp

@@ -39,33 +39,33 @@ Features
   workspace_symbol  search symbols in workspace
 
 flags:
-  -debug string
+  -debug=string
     	serve debug information on the supplied address
-  -listen string
+  -listen=string
     	address on which to listen for remote connections. If prefixed by 'unix;', the subsequent address is assumed to be a unix domain socket. Otherwise, TCP is used.
-  -listen.timeout duration
+  -listen.timeout=duration
     	when used with -listen, shut down the server when there are no connected clients for this duration
-  -logfile string
+  -logfile=string
     	filename to log to. if value is "auto", then logging to a default output file is enabled
-  -mode string
+  -mode=string
     	no effect
-  -ocagent string
+  -ocagent=string
     	the address of the ocagent (e.g. http://localhost:55678), or off (default "off")
-  -port int
+  -port=int
     	port on which to run gopls for debugging purposes
-  -profile.cpu string
+  -profile.cpu=string
     	write CPU profile to this file
-  -profile.mem string
+  -profile.mem=string
     	write memory profile to this file
-  -profile.trace string
+  -profile.trace=string
     	write trace log to this file
-  -remote string
+  -remote=string
     	forward all commands to a remote lsp specified by this flag. With no special prefix, this is assumed to be a TCP address. If prefixed by 'unix;', the subsequent address is assumed to be a unix domain socket. If 'auto', or prefixed by 'auto;', the remote address is automatically resolved based on the executing environment.
-  -remote.debug string
+  -remote.debug=string
     	when used with -remote=auto, the -debug value used to start the daemon
-  -remote.listen.timeout duration
+  -remote.listen.timeout=duration
     	when used with -remote=auto, the -listen.timeout value used to start the daemon (default 1m0s)
-  -remote.logfile string
+  -remote.logfile=string
     	when used with -remote=auto, the -logfile value used to start the daemon
   -rpc.trace
     	print the full rpc trace in lsp inspector format

internal/lsp/cmd/usage/workspace_symbol.hlp

@@ -8,6 +8,6 @@ Example:
 	$ gopls workspace_symbol -matcher fuzzy 'wsymbols'
 
 workspace_symbol-flags:
-  -matcher string
+  -matcher=string
     	specifies the type of matcher: fuzzy, caseSensitive, or caseInsensitive.
     	The default is caseInsensitive.