hscript, tools: Support shell writing in Simulator

2 files changed, 15 insertions, 6 deletions

diff --git a/hscript/meta.cc b/hscript/meta.cc
index dc29b0c..4fef42a 100644
--- a/hscript/meta.cc
+++ b/hscript/meta.cc
@@ -89,6 +89,7 @@ bool Hostname::execute(ScriptOptions opts) const {
     if(opts.test(Simulate)) {
         output_info("installfile:" + std::to_string(this->lineno()),
                     "hostname: set hostname to '" + actual + "'");
+        std::cout << "hostname " << actual << std::endl;
     } else {
         if(sethostname(actual.c_str(), actual.size()) == -1) {
             output_error("installfile:" + std::to_string(this->lineno()),
@@ -102,6 +103,8 @@ bool Hostname::execute(ScriptOptions opts) const {
     if(opts.test(Simulate)) {
         output_info("installfile:" + std::to_string(this->lineno()),
                     "hostname: write '" + actual + "' to /etc/hostname");
+        std::cout << "printf '%s' " << actual << " > /target/etc/hostname"
+                  << std::endl;
     } else {
         std::ofstream hostname_f("/target/etc/hostname");
         if(!hostname_f) {
@@ -165,6 +168,8 @@ bool Repository::execute(ScriptOptions opts) const {
         output_info("installfile:" + std::to_string(this->lineno()),
                     "repository: write '" + this->value() +
                     "' to /etc/apk/repositories");
+        std::cout << "echo '" << this->value() <<
+                     "' >> /target/etc/apk/repositories" << std::endl;
     } else {
         std::ofstream repo_f("/target/etc/apk/repositories",
                              std::ios_base::ate);
diff --git a/tools/hscript-simulate/simulator.cc b/tools/hscript-simulate/simulator.cc
index 0342894..95bdde6 100644
--- a/tools/hscript-simulate/simulator.cc
+++ b/tools/hscript-simulate/simulator.cc
@@ -45,12 +45,16 @@ int main(int argc, char *argv[]) {
         return EXIT_FAILURE;
     }
 
-    bold_if_pretty(std::cout);
-    std::cout << "HorizonScript Simulation Utility version 0.1.0";
-    reset_if_pretty(std::cout);
-    std::cout << std::endl;
-    std::cout << "Copyright (c) 2019 Adélie Linux and contributors.  AGPL-3.0 license." << std::endl;
-    std::cout << std::endl;
+    if(isatty(1)) {
+        bold_if_pretty(std::cout);
+        std::cout << "HorizonScript Simulation Utility version 0.1.0";
+        reset_if_pretty(std::cout);
+        std::cout << std::endl;
+        std::cout << "Copyright (c) 2019 Adélie Linux and contributors.  AGPL-3.0 license." << std::endl;
+        std::cout << std::endl;
+    } else {
+        std::cout << "#!/bin/sh" << std::endl << std::endl;
+    }
 
     my_script = Horizon::Script::load(installfile, opts);
     if(my_script == nullptr) {