Print error messages when necessary

CHANGELOG.rst

@@ -1,6 +1,14 @@
 Changelog for packaging-scripts
 ===============================
 
+Version 1.6.0
+-------------
+
+* pug2
+
+  * Print error messages from gist when necessary
+
+
 Version 1.5.3
 -------------
 

bin/pug2

@@ -82,20 +82,39 @@ if __name__ == "__main__":
     gist_id = config.get(CONFIG_SECTION, CONFIG_OPTION_ID)
 
     if gist_id == "":
+        try:
             print("No gist ID detected, creating new.")
             gist_process = subprocess.run(
                 f"pacman -Qqen | gist --filename {gist_filename} --description {gist_description}",
                 capture_output=True,
+                text=True,
                 shell=True,
+                check=True,
             )
-        config[CONFIG_SECTION][CONFIG_OPTION_ID] = extract_gist_id(gist_process.stdout)
+        except subprocess.CalledProcessError as e:
+            print(e.stdout.strip(), file=sys.stderr)
+            sys.exit(e.returncode)
+        else:
+            config[CONFIG_SECTION][CONFIG_OPTION_ID] = extract_gist_id(
+                gist_process.stdout
+            )
+            print("Gist creation complete.")
+
     elif package_lists_match(gist_id):
         print("Package lists match, no update necessary.")
         sys.exit(0)
     else:
+        try:
             print("Package lists differ, updating.")
             subprocess.run(
                 f"pacman -Qqen | gist --update {gist_id} --filename {gist_filename} --description {gist_description}",
                 capture_output=True,
+                text=True,
                 shell=True,
+                check=True,
             )
+        except subprocess.CalledProcessError as e:
+            print(e.stdout.strip(), file=sys.stderr)
+            sys.exit(e.returncode)
+        else:
+            print("Update complete.")

misc/pug.hook

@@ -7,5 +7,6 @@ Target = *
 
 [Action]
 Depends = coreutils
+Depends = packaging-scripts
 When = PostTransaction
 Exec = /usr/bin/pug2