Check-in by ben on 2025-11-12 15:39:33

  Quit if no new commits exist since last time coprolit.awk was
  run.

  INSERTED    DELETED
        14          0 coprolit.awk
        14          0 TOTAL over 1 changed file

Index: coprolit.awk
==================================================================
--- coprolit.awk
+++ coprolit.awk
@@ -833,10 +833,11 @@
     } else {
         _timeline_opt = ""
     }
     _download_count = 0
 
+    quit_if_uptodate(_work)
     fossil_configuration(_conf)
     if (length(_conf["project-name"]) == 0) {
         print "Error: Could not find fossil project name"
         exit 1
     }
@@ -925,10 +926,23 @@
         line++
     }
     println(out, "  " buf)
     return
 }
+
+function quit_if_uptodate(workdir,     cmd, path) {
+    cmd = "fossil timeline -n 1 --oneline -R " _repo
+    if ((cmd | getline) > 0) {
+        path = workdir "/info/" $1
+        if (exists(path "/gophermap") || exists(path "/index.gph")) {
+            printf "Directory %s up-to-date, quitting early...\n", _work
+            exit 0
+        }
+    }
+    close(cmd)
+    return
+}
 
 function reference(out, refs,     i) {
     info(out, "")
     info(out, "# Reference")
     info(out, "")