allow customizing the command to be run

3 files changed, 13 insertions, 5 deletions

diff --git a/config.c b/config.c
index 0b75c63..d6dd8cd 100644
--- a/config.c
+++ b/config.c
@@ -194,6 +194,9 @@ static void runes_config_set(RunesTerm *t, char *key, char *val)
     else if (!strcmp(key, "cols")) {
         t->default_cols = runes_config_parse_uint(val);
     }
+    else if (!strcmp(key, "command")) {
+        t->cmd = runes_config_parse_string(val);
+    }
     else {
         fprintf(stderr, "unknown option: '%s'\n", key);
     }
diff --git a/pty-unix.c b/pty-unix.c
index 4a0d3fe..41f86bd 100644
--- a/pty-unix.c
+++ b/pty-unix.c
@@ -24,7 +24,7 @@ void runes_pty_backend_spawn_subprocess(RunesTerm *t)
         pty->slave = -1;
     }
     else {
-        char *shell;
+        char *cmd;
 
         setsid();
         ioctl(pty->slave, TIOCSCTTY, NULL);
@@ -37,9 +37,12 @@ void runes_pty_backend_spawn_subprocess(RunesTerm *t)
 
         close(pty->slave);
 
-        shell = getenv("SHELL");
-        if (!shell) {
-            shell = "/bin/sh";
+        cmd = t->cmd;
+        if (!cmd) {
+            cmd = getenv("SHELL");
+        }
+        if (!cmd) {
+            cmd = "/bin/sh";
         }
 
         /* XXX should use a different TERM value eventually, but for right now
@@ -48,7 +51,7 @@ void runes_pty_backend_spawn_subprocess(RunesTerm *t)
         unsetenv("LINES");
         unsetenv("COLUMNS");
 
-        execl(shell, shell, (char *)NULL);
+        execl(cmd, cmd, (char *)NULL);
     }
 }
 
diff --git a/term.h b/term.h
index 737b352..c2c0b53 100644
--- a/term.h
+++ b/term.h
@@ -36,6 +36,8 @@ struct runes_term {
     int default_rows;
     int default_cols;
 
+    char *cmd;
+
     char *font_name;
     PangoLayout *layout;