Fix for PopOS os_release problem (#311)

* Fix for PopOS os_release problem

Fixes issue #276

* Added Pop!_OS detection

* Removed redundant abort code in Pop!_OS detection

* Added exit case for pressing 'N' or not pressing anything

Also fixed weird whitespace issue with backslash

* Changed to "Operation aborted by user" for 'N'

* Update auto_cpufreq/core.py

Co-authored-by: bobslept <38557801+bobslept@users.noreply.github.com>

Co-authored-by: bobslept <38557801+bobslept@users.noreply.github.com>

auto_cpufreq/core.py

@@ -78,7 +78,29 @@ def get_config(config_file=''):
     return get_config.dict
 
 # get distro name
-dist_name = distro.id()
+try:
+    dist_name = distro.id()
+except PermissionError:
+    # Current work-around for distros like Pop!_OS where symlink causes permission issues
+    print("Warning: Cannot get distro name")
+    if os.path.exists("/etc/pop-os/os-release"):
+        print("Pop!_OS detected")
+        print("Pop!_OS uses a symbolic link for the os-release file, this causes issues and can be fixed by converting to a hard link")
+        print("Attempting to change symlink to hard link for /etc/os-release -> /etc/pop-os/os-release")
+
+        yN = input("Continue? [y/N] ")
+        if yN.lower() == "y":
+            print("Creating hard link for /etc/os-release")
+            # Backup /etc/os-release
+            os.system("sudo mv /etc/os-release /etc/os-release-backup")
+            # Create hard link to /etc/os-release
+            os.system("sudo ln /etc/pop-os/os-release /etc/os-release")
+        else:
+            print("Operation aborted by user")
+            sys.exit(1)
+    else:
+        print("Aborting...")
+        sys.exit(1)
 
 # display running version of auto-cpufreq
 def app_version():
@@ -1085,4 +1107,4 @@ def running_daemon():
         exit(1)
     elif os.getenv("PKG_MARKER") == "SNAP" and dcheck == "enabled":
         daemon_running_msg()
-        exit(1)
+        exit(1)