pkg/shell: Add -l as a no-op flag.

elves · Jul 22, 2024 · df3efaf · df3efaf
1 parent d5bfaf2
commit df3efaf
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Showing 2 changed files with 12 additions and 3 deletions.
diff --git a/pkg/shell/shell.go b/pkg/shell/shell.go
@@ -53,10 +53,12 @@ type Program struct {
 }
 
 func (p *Program) RegisterFlags(fs *prog.FlagSet) {
-	// Support -i so that programs that expect shells to support it (like
-	// "script") don't error when they invoke Elvish.
+	// script(1) (and possibly other programs) assume shells support -i
 	fs.Bool("i", false,
-		"A no-op flag, introduced for POSIX compatibility")
+		"A no-op flag, introduced for compatibility")
+	// termux (and possibly other programs) assume shells support -l
+	fs.Bool("l", false,
+		"A no-op flag, introduced for compatibility")
 	fs.BoolVar(&p.codeInArg, "c", false,
 		"Treat the first argument as code to execute")
 	fs.BoolVar(&p.compileOnly, "compileonly", false,

diff --git a/pkg/shell/shell_test.elvts b/pkg/shell/shell_test.elvts
@@ -1,5 +1,12 @@
 //each:elvish-in-global
 
+///////////////
+# no-op flags #
+///////////////
+
+~> elvish -i -l -c 'echo hello'
+hello
+
 /////////////////////
 # XDG library paths #
 /////////////////////