build: bump version to 0.9.0

Feat/parse shell version

build.zig.zon

@@ -10,7 +10,7 @@
 
     // This is a [Semantic Version](https://semver.org/).
     // In a future version of Zig it will be used for package deduplication.
-    .version = "0.8.1",
+    .version = "0.9.0",
 
     // Together with name, this represents a globally unique package
     // identifier. This field is generated by the Zig toolchain when the

src/linux/user.zig

@@ -22,9 +22,26 @@ pub fn getShell(allocator: std.mem.Allocator) ![]u8 {
 
     _ = try child.wait();
 
+    if (std.mem.indexOf(u8, shell, "bash") != null) {
+        const bash_version = parseBashVersion(output);
+        defer allocator.free(output);
+        return try std.fmt.allocPrint(allocator, "{s} {s}", .{ "bash", bash_version.? });
+    }
+
     return output;
 }
 
+fn parseBashVersion(shell_version_output: []u8) ?[]u8 {
+    const end_index = std.mem.indexOf(u8, shell_version_output, "(");
+    if (end_index == null) return null;
+
+    const version_keyword = "version ";
+    const version_keyword_index = std.mem.indexOf(u8, shell_version_output[0..end_index.?], version_keyword);
+    if (version_keyword_index == null) return null;
+
+    return shell_version_output[version_keyword_index.? + version_keyword.len .. end_index.?];
+}
+
 pub fn getTerminalName(allocator: std.mem.Allocator) ![]u8 {
     const term_program = std.process.getEnvVarOwned(allocator, "TERM_PROGRAM") catch |err| if (err == error.EnvironmentVariableNotFound) {
         return allocator.dupe(u8, "Unknown");

src/macos/user.zig

@@ -25,9 +25,26 @@ pub fn getShell(allocator: std.mem.Allocator) ![]u8 {
 
     _ = try child.wait();
 
+    if (std.mem.indexOf(u8, shell, "bash") != null) {
+        const bash_version = parseBashVersion(output);
+        defer allocator.free(output);
+        return try std.fmt.allocPrint(allocator, "{s} {s}", .{ "bash", bash_version.? });
+    }
+
     return output;
 }
 
+fn parseBashVersion(shell_version_output: []u8) ?[]u8 {
+    const end_index = std.mem.indexOf(u8, shell_version_output, "(");
+    if (end_index == null) return null;
+
+    const version_keyword = "version ";
+    const version_keyword_index = std.mem.indexOf(u8, shell_version_output[0..end_index.?], version_keyword);
+    if (version_keyword_index == null) return null;
+
+    return shell_version_output[version_keyword_index.? + version_keyword.len .. end_index.?];
+}
+
 pub fn getTerminalName(allocator: std.mem.Allocator) ![]u8 {
     const term_program = std.process.getEnvVarOwned(allocator, "TERM_PROGRAM") catch |err| if (err == error.EnvironmentVariableNotFound) {
         return allocator.dupe(u8, "Unknown");