C L A R I F Y T H E W O R D S

2 files changed, 19 insertions, 8 deletions

diff --git a/readme.md b/readme.md
index 51228c9..3cb9ccd 100644
--- a/readme.md
+++ b/readme.md
@@ -8,3 +8,8 @@ Script to update modpacks automatically
 Simply put the location of your `mods` folder in `pack-location.txt` and run `python update.py install`
 
 Requires the `requests` module.
+
+#### Maintenance:
+
+To check `downloads.txt` modlist for updates against `latest-urls.txt` modlist, run `python update.py check_updates`
+To automatically populate `downloads.txt` with the most recent versions of mods listed in `latest-urls.txt` run `python update.py apply_updates`
diff --git a/update.py b/update.py
index ce45c13..c62b02f 100755
--- a/update.py
+++ b/update.py
@@ -33,26 +33,27 @@ def install():
             os.remove(os.path.join(INSTALL_DIR, jar))
             print(f"Removing '{jar}'")
 
-    print("\nFinished updating pack!")
+    print("\nFinished installing mods!")
 
 
 # Using the latest urls, update downloads.txt to match the urls and have the correct sha1
 def apply_updates():
-    print("Reading update file...")
+    print("Populating downloads.txt...")
     mods = read_file("latest-urls.txt")
-    print("Downloading new versions of all mods...")
+    print("Getting new versions of all mods...")
     with open('downloads.txt', 'w') as f:
         f.write('# Format: <jarname> <hex digested sha1> <direct download url>\n')
         for mod in mods:
-            print(f"Downloading {mod[0]}...")
+            print(f"Fetching {mod[0]}...")
             resp = requests.get(mod[1])
             hsh = hashlib.sha1(resp.content)
             f.write(f'{mod[0]} {hsh.hexdigest()} {resp.url}\n')
-    print("\nDone downloading updates!")
+    print("\nDone!\nUpdates applied to downloads.txt")
+    print("[!] No mods were installed.  To update your mods folder, run 'update.py install'")
 
 # Find if any updates are available
 def check_updates():
-    print("Reading update files...")
+    print("check_updates: Checking for updates to mods...")
     latest = read_file("latest-urls.txt")
     old = read_file("downloads.txt")
     old_urls = [mod[2] for mod in old]
@@ -78,14 +79,19 @@ def read_file(fil):
 
 
 if len(sys.argv) < 2:
-    print(f"Usage: {sys.argv[0]} <apply_updates|find_updates>")
-    sys.exit(-1)
+    #install by default
+    install()
 elif sys.argv[1] == 'install':
     install()
 elif sys.argv[1] == 'apply_updates':
     apply_updates()
 elif sys.argv[1] == 'check_updates':
     check_updates()
+elif 'h' in sys.argv[1]:
+    print(f"Usage: {sys.argv[0]} <install|apply_updates|check_updates>")
+    print(" install\tdownloads mods listed in downloads.txt and populates the mods folder specified in pack-location.txt")
+    print(" apply_updates\tusing the latest downloads in latest-urls.txt, repopulates downloads.txt to reflect the most recent mod versions")
+    print(" check_updates\tcompares downloads.txt and latest-urls.txt to see if any mods can be updated")
 else:
     print(f"Usage: {sys.argv[0]} <install|apply_updates|check_updates>")
     sys.exit(-1)