From 2db17e83a914586fd351437ac5323713f1e66478 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sat, 8 Feb 2020 21:21:21 -0500
Subject: [PATCH] Allow overriding the /open utility

---
 catgirl.1 |  8 ++++++++
 chat.c    |  4 +++-
 chat.h    |  1 +
 url.c     | 14 ++++++++++----
 4 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/catgirl.1 b/catgirl.1
index f489d07..6129b71 100644
--- a/catgirl.1
+++ b/catgirl.1
@@ -9,6 +9,7 @@
 .Sh SYNOPSIS
 .Nm
 .Op Fl ev
+.Op Fl O Ar open
 .Op Fl a Ar auth
 .Op Fl c Ar cert
 .Op Fl h Ar host
@@ -46,6 +47,13 @@ following their corresponding flags.
 .Pp
 The arguments are as follows:
 .Bl -tag -width Ds
+.It Fl O Ar util , Cm open = Ar util
+Set the command used by
+.Ic /open .
+The default is the first available of
+.Xr open 1 ,
+.Xr xdg-open 1 .
+.
 .It Fl a Ar user Ns : Ns Ar pass , Cm sasl-plain = Ar user Ns : Ns Ar pass
 Authenticate as
 .Ar user
diff --git a/chat.c b/chat.c
index c0c2d28..77aa61d 100644
--- a/chat.c
+++ b/chat.c
@@ -81,9 +81,10 @@ int main(int argc, char *argv[]) {
 	const char *user = NULL;
 	const char *real = NULL;
 
-	const char *Opts = "!a:c:eh:j:k:n:p:r:u:vw:";
+	const char *Opts = "!O:a:c:eh:j:k:n:p:r:u:vw:";
 	const struct option LongOpts[] = {
 		{ "insecure", no_argument, NULL, '!' },
+		{ "open", required_argument, NULL, 'O' },
 		{ "sasl-plain", required_argument, NULL, 'a' },
 		{ "cert", required_argument, NULL, 'c' },
 		{ "sasl-external", no_argument, NULL, 'e' },
@@ -103,6 +104,7 @@ int main(int argc, char *argv[]) {
 	while (0 < (opt = getopt_config(argc, argv, Opts, LongOpts, NULL))) {
 		switch (opt) {
 			break; case '!': insecure = true;
+			break; case 'O': urlOpenUtil = optarg;
 			break; case 'a': sasl = true; self.plain = optarg;
 			break; case 'c': cert = optarg;
 			break; case 'e': sasl = true;
diff --git a/chat.h b/chat.h
index 583107a..3084359 100644
--- a/chat.h
+++ b/chat.h
@@ -169,6 +169,7 @@ void completeClear(size_t id);
 size_t completeID(const char *str);
 enum Color completeColor(size_t id, const char *str);
 
+extern const char *urlOpenUtil;
 void urlScan(size_t id, const char *nick, const char *mesg);
 void urlOpenCount(size_t id, size_t count);
 void urlOpenMatch(size_t id, const char *str);
diff --git a/url.c b/url.c
index 1396765..c9c4d5c 100644
--- a/url.c
+++ b/url.c
@@ -95,7 +95,8 @@ void urlScan(size_t id, const char *nick, const char *mesg) {
 	}
 }
 
-static const char *OpenBins[] = { "open", "xdg-open" };
+const char *urlOpenUtil;
+static const char *OpenUtils[] = { "open", "xdg-open" };
 
 static void urlOpen(const char *url) {
 	pid_t pid = fork();
@@ -105,10 +106,15 @@ static void urlOpen(const char *url) {
 	close(STDIN_FILENO);
 	dup2(procPipe[1], STDOUT_FILENO);
 	dup2(procPipe[1], STDERR_FILENO);
-	for (size_t i = 0; i < ARRAY_LEN(OpenBins); ++i) {
-		execlp(OpenBins[i], OpenBins[i], url, NULL);
+	if (urlOpenUtil) {
+		execlp(urlOpenUtil, urlOpenUtil, url, NULL);
+		warn("%s", urlOpenUtil);
+		_exit(EX_CONFIG);
+	}
+	for (size_t i = 0; i < ARRAY_LEN(OpenUtils); ++i) {
+		execlp(OpenUtils[i], OpenUtils[i], url, NULL);
 		if (errno != ENOENT) {
-			warn("%s", OpenBins[i]);
+			warn("%s", OpenUtils[i]);
 			_exit(EX_CONFIG);
 		}
 	}