From 7d120b7939aa5bae68dbb5fc2f877cc8220c6929 Mon Sep 17 00:00:00 2001
From: David Vazgenovich Shakaryan <dvshakaryan@gmail.com>
Date: Mon, 27 Mar 2023 00:18:01 -0700
Subject: make prioritisation behaviour more configurable

---
 backomp | 29 ++++++++++++++++++++---------
 1 file changed, 20 insertions(+), 9 deletions(-)

diff --git a/backomp b/backomp
index 750576b..aba6450 100755
--- a/backomp
+++ b/backomp
@@ -6,13 +6,16 @@ set -e
 function flr(n, s) { return int(n / s) * s }
 
 BEGIN {
-	split("h d w m", buckets)
-	for (i in buckets) {
-		if (match(retain, "([*0-9]+)" buckets[i], md) && md[1])
-			ret[buckets[i]] = md[1]
+	split("h d w m", arr)
+	for (i = 1; i <= length(arr); ++i) {
+		b = arr[i]
 
-		if (index(replace, buckets[i]))
-			repl[buckets[i]] = 1
+		if (!match(retain, "([*0-9]+)" b, md))
+			continue
+		ret[b] = md[1]
+		buckets[++n_buckets] = b
+
+		repl[b] = !!index(replace, b)
 	}
 }
 
@@ -25,14 +28,22 @@ BEGIN {
 	bt["m"] = mktime(strftime("%Y %m", t, 1) " 01 00 00 00", 1)
 	bt["w"] = bt["m"] + flr(t - bt["m"], 7*24*60*60)
 
-	for (i = 1; i <= length(buckets); ++i) {
+	for (i = 1; i <= n_buckets; ++i) {
 		b = buckets[i]
 
-		if (!ret[b] || (b in repl && (b, bt[b]) in bkeep))
-			continue
+		if (skip = (repl[b] && bt[b] == last[b, b])) {
+			for (j = 1; j < i; ++j) {
+				skip = (bt[buckets[j]] != last[b, buckets[j]])
+				if (!skip) break
+			}
+			if (skip) next
+		}
 
 		if ((b, bt[b]) in bkeep || ret[b] == "*" || bc[b]++ < ret[b])
 			bkeep[b, bt[b]] = $1
+
+		for (j in buckets)
+			last[b, buckets[j]] = bt[buckets[j]]
 	}
 }
 
-- 
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