1 files changed, 93 insertions, 0 deletions
diff --git a/src/pkg.c b/src/pkg.c
new file mode 100644
index 0000000..fe79b64
--- /dev/null
+++ b/src/pkg.c
@@ -0,0 +1,93 @@
+/*
+
+  pkgit - package it!
+
+  Copyright (C) 2026 dacctal
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+*/
+
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "common.h"
+#include "log.h"
+#include "pkg.h"
+#include "state.h"
+#include "str.h"
+
+static str get_destdir(str *cwd, str *arg) {
+	str result = {0};
+	if (str_first(arg) == '.' && arg->len == 1) {
+		result = str_format("%.*s/%.*s", str_fmt(&config.inst_dirs.src), str_fmt(cwd));
+	} else {
+		str name = {0};
+		if (str_find_char(arg, '/') != 0) name = str_from_after_delim(arg, '/');
+		else str_copy_into(&name, arg);
+		result = str_format("%.*s/%.*s", str_fmt(&config.inst_dirs.src), str_fmt(&name));
+		str_free(&name);
+	}
+	return result;
+}
+
+static str get_pkgsrc(package_t *pkg) {
+	if (pkg->is_local == 1)
+		return str_format("%.*s/%.*s", str_fmt(&config.inst_dirs.src), str_fmt(&pkg->name));
+	else
+		return str_format("%.*s/%.*s/%.*s", str_fmt(&config.inst_dirs.src),
+			str_fmt(&pkg->name), str_fmt(&pkg->version));
+}
+
+static void assign_pkg_version(package_t *pkg, str *new_arg_str) {
+	if (str_find_char(new_arg_str, '@')) {
+		pkg->version = str_from_after_delim(new_arg_str, '@');
+		pkg->name.len -= pkg->version.len + 1;
+	} else str_copy_cstr_into(&pkg->version, "HEAD");;
+}
+
+package_t pkg_create(str *arg) {
+	package_t pkg = { .is_local = false, };
+
+	assign_pkg_version(&pkg, arg);
+
+	char cwd_cstr[MAX_PATH_LEN];
+	getcwd(cwd_cstr, MAX_PATH_LEN);
+	str cwd = mstr(cwd_cstr);
+	str destdir = get_destdir(&cwd, arg);
+
+	if (strncmp(arg->data, "http", 4) == 0 || strncmp(arg->data, "ssh", 3) == 0) {
+		str_copy_into(&pkg.url, arg);
+		pkg.name = str_from_after_delim(arg, '/');
+	} else if (str_equal_cstr(arg, ".")) {
+		str_copy_cstr_into(&pkg.url, "");
+		pkg.name = str_from_after_delim(&cwd, '/');
+		pkg.is_local = true;
+	} else if (pkg_exists(arg)) {
+		str_copy_into(&pkg.name, arg);
+		pkg.url = pkg_get_url(&pkg);
+//	} else if (is_installed_locally) {
+//		str_copy_cstr_into(&pkg.url, "");
+//		pkg.name = str_from_after_delim(&destdir, '/');
+//		pkg.is_local = true;
+	} else {
+		log_error("'%.*s' is not a valid package", str_fmt(arg));
+		str_free(&cwd);
+		str_free(&destdir);
+		str_free(arg);
+		abort();
+	}
+
+	return pkg;
+}