Add list argument, add script for shellcheck fix

install.py

@@ -142,22 +142,23 @@ class Installer:
         failed_installs = []
 
         ui.info_2("Installing packages...")
-        for package in packages:
+        for i, package in enumerate(packages):
             if self.operating_system == "arch based":
                 command = "sudo pacman -S --needed --noconfirm {}"\
                           .format(package)
             elif self.operating_system == "debian based":
                 command = "sudo apt install -y {}".format(package)
 
+            ui.info_count(i, len(packages), package, end="... ")
             install = subprocess.run(command, check=False, shell=True,
                                      stdout=subprocess.DEVNULL,
                                      stderr=subprocess.DEVNULL)
 
             if install.returncode != 0:
-                ui.info(ui.cross, package)
+                ui.info(ui.cross)
                 failed_installs.append(package)
             else:
-                ui.info(ui.check, package)
+                ui.info(ui.check)
 
         if len(failed_installs) > 0:
             ui.warning("These packages failed to install:")
@@ -177,8 +178,10 @@ class Installer:
 
         ui.info_2("Running", "`{}`".format(command))
         runned = subprocess.run(command, check=False, shell=True)
+
         if runned.returncode != 0:
             ui.warning("`{}` failed".format(command))
+
         self.base_dir.chdir()
 
     def do_symlink(self, src: str, dest: str, condition: str = "true") -> None:
@@ -263,7 +266,7 @@ class Installer:
         if not programs:
             ui.info("No programs were specified.",
                     "Fetching from the configuration file.")
-            programs = sorted(self.conf.keys())
+            programs = list(self.conf.keys())
             for program in programs:
                 if ui.ask_yes_no("Do you wish to install {}?".format(program)):
                     self.install_program(program)
@@ -339,6 +342,12 @@ def main() -> None:
         action="store_true",
         help="Overwrite existing files",
     )
+    parser.add_argument(
+        "-l",
+        "--list_programs",
+        action="store_true",
+        help="List all programs from the configuration file.",
+    )
     parser.add_argument(
         "--update",
         action="store_true",
@@ -349,10 +358,18 @@ def main() -> None:
 
     programs = args.programs
     force = args.force
+    list_programs = args.list_programs
     update = args.update
 
     installer = Installer(force=force, update=update)
-    installer.install(programs=programs)
+
+    if list_programs:
+        ui.info("The following items were found in the config file:")
+        for program in installer.conf.keys():
+            ui.info_1(program)
+
+    else:
+        installer.install(programs=programs)
 
 
 if __name__ == "__main__":

shellcheck_binary_fix.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+
+## This script is a workaround for installing shellcheck with the precompiled
+# binary. It is intended to be run when the shellcheck package isn't found via
+# pacman.
+
+RED=$(tput setaf 1)
+GREEN=$(tput setaf 2)
+ORANGE=$(tput setaf 3)
+NC=$(tput sgr0)
+
+if ! sudo pacman -S --needed shellcheck; then
+  echo "  ${ORANGE}Shellcheck was not found with pacman, downloading pre-compiled binary${NC}"
+  scversion="stable"
+  architechture=$(uname -m)
+  if [ -e ~/Downloads/shellcheck-${scversion} ]; then
+    rm -r ~/Downloads/shellcheck-${scversion} && echo "  ${ORANGE}Found and removed pre-existing shellcheck folder${NC}"
+  fi
+  cd ~/Downloads || exit 1
+  echo "  Downloading shellcheck ${scversion} binary for ${architechture}..."
+  if wget -qO- "https://storage.googleapis.com/shellcheck/shellcheck-${scversion?}.linux.${architechture?}.tar.xz" | tar -xJv; then
+    echo "  ${GREEN}Successfully downloaded and extracted shellcheck.${NC}"
+    echo "  Copying executable to /usr/bin/ ..."
+    sudo cp "shellcheck-${scversion}/shellcheck" /usr/bin/ && shellcheck --version
+    if rm -r ~/Downloads/shellcheck-${scversion}; then
+      echo "  ${GREEN}Removed shellcheck installation folder${NC}"
+    else
+      echo "  ${RED}Was unable to remove shellcheck installation folder${NC}"
+      exit 1
+    fi
+  else
+    echo "  ${RED}Was unable to download shellcheck binary${NC}"
+  fi
+fi