From b9f5cda917a391c1c6612903980381f6e746318a7b83a9a281bb72d37429efb3 Mon Sep 17 00:00:00 2001
From: Adam Majer <amajer@suse.com>
Date: Fri, 1 Feb 2019 15:58:55 +0000
Subject: [PATCH] - Change the shell script to regular executable

OBS-URL: https://build.opensuse.org/package/show/devel:languages:nodejs/nodejs-common?expand=0&rev=11
---
 node                  | 11 ------
 node.c                | 85 +++++++++++++++++++++++++++++++++++++++++++
 nodejs-common.changes |  5 +++
 nodejs-common.spec    | 22 +++++------
 4 files changed, 100 insertions(+), 23 deletions(-)
 delete mode 100644 node
 create mode 100644 node.c

diff --git a/node b/node
deleted file mode 100644
index aa4ce44..0000000
--- a/node
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/bin/sh
-
-PROG=$(basename $0)
-PROG_VERSION=${NODE_VERSION:--default}
-
-if [ ! -x /usr/bin/${PROG}${PROG_VERSION} ]; then
-    echo "${PROG}${PROG_VERSION} is unavailable."
-    exit 127
-fi
-exec /usr/bin/${PROG}${PROG_VERSION} "$@"
-
diff --git a/node.c b/node.c
new file mode 100644
index 0000000..0bec3ef
--- /dev/null
+++ b/node.c
@@ -0,0 +1,85 @@
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+const unsigned min_version = 4;
+const unsigned max_version = 20;
+const char *default_version = "-default";
+
+const char * const supported_execs[] = {
+	"node",
+	"npm",
+	"npx",
+	NULL
+};
+
+
+static void __attribute__((noreturn)) printInvalidVersion(const char *version) {
+	fprintf(stderr, "Invalid node version: %s\n", version);
+	exit(-2);
+}
+
+
+int main(int argc, char *argv[])
+{
+	if (argc < 1) {
+		fprintf(stderr, "Invalid parameters ... no basename?\n");
+		return 128;
+	}
+
+	/* Verify we are called with supported name */
+	const char *program_name = basename(argv[0]);
+	const char * const * bn = supported_execs;
+
+	for (; *bn!=NULL; bn++) {
+		if (strcmp(*bn, program_name) == 0)
+			break;
+	}
+
+	if (*bn == NULL) {
+		fprintf(stderr, "Invalid program called: '%s'\n", program_name);
+		return 129;
+	}
+
+	/* Verify we have one of probably supported versions */
+	const char *version = getenv("NODE_VERSION");
+	char *endptr = 0;
+	if (version == NULL || strcmp(version, default_version) == 0)
+		version = default_version;
+
+	unsigned long node_ver = strtoul(version, &endptr, 10);
+
+	if (*endptr == '\0' &&
+	    ( node_ver < min_version || node_ver > max_version))
+	{
+		printInvalidVersion(version);
+	}
+	else if (*endptr != '\0' && version != default_version)
+	{
+		printInvalidVersion(version);
+	}
+
+	/* Generate our program path and check that we can execute it */
+	char *program_path, *program;
+	if (asprintf(&program, "%s%s", *bn, version) == -1 ||
+	    asprintf(&program_path, "/usr/bin/%s", program) == -1) {
+
+		fputs("Memory allocation error... terminating\n", stderr);
+		return 130;
+	}
+
+	if (access(program_path, X_OK) != 0) {
+		perror(program_path);
+		return -1;
+	}
+
+	argv[0] = program;
+
+	execv(program_path, argv);
+	perror("execv failed");
+	return -1;
+}
+
diff --git a/nodejs-common.changes b/nodejs-common.changes
index 769a088..e1e6140 100644
--- a/nodejs-common.changes
+++ b/nodejs-common.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Feb  1 15:03:12 UTC 2019 - adam.majer@suse.de
+
+- Change the shell script to regular executable
+
 -------------------------------------------------------------------
 Fri Jun 22 12:31:05 UTC 2018 - dcassany@suse.de
 
diff --git a/nodejs-common.spec b/nodejs-common.spec
index d051e58..f85d09a 100644
--- a/nodejs-common.spec
+++ b/nodejs-common.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package nodejs-common
 #
-# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -12,7 +12,7 @@
 # license that conforms to the Open Source Definition (Version 1.9)
 # published by the Open Source Initiative.
 
-# Please submit bugfixes or comments via http://bugs.opensuse.org/
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
 
@@ -26,22 +26,20 @@
 ###########################################################
 
 Name:           nodejs-common
-Version:        2.0
+Version:        3.0
 Release:        0
 Summary:        Common files for the NodeJS ecosystem
 License:        MIT
 Group:          Development/Languages/NodeJS
 Url:            https://github.com/AdamMajer/nodejs-packaging
-Source1:        node
+Source1:        node.c
 Source2:        LICENSE
 Requires:       nodejs
 Conflicts:      nodejs4 < 4.8.4
 Conflicts:      nodejs6 < 6.11.1
 Conflicts:      nodejs7 < 7.10.1
 Conflicts:      nodejs8 < 8.1.4
-
-BuildArch:      noarch
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
+BuildRequires:  gcc
 
 %description
 Common NodeJS files that allow recursive invocation of Node executable
@@ -50,17 +48,17 @@ while retaining the same codestream version.
 %prep
 %build
 cp %{S:2} .
+gcc ${RPM_OPT_FLAGS} -g -o node %{S:1}
 
 %install
-install -D -m 0755 %{S:1} %{buildroot}%{_bindir}/node
-ln -s node %{buildroot}%{_bindir}/npm
-ln -s node %{buildroot}%{_bindir}/npx
+install -D -m 0755 node %{buildroot}%{_bindir}/node
+ln node %{buildroot}%{_bindir}/npm
+ln node %{buildroot}%{_bindir}/npx
 
 %files
-%defattr(-,root,root)
+%license LICENSE
 %{_bindir}/node
 %{_bindir}/npm
 %{_bindir}/npx
-%license LICENSE
 
 %changelog