From 7683acc382b5499d718487ccfef6050436c17d4e Mon Sep 17 00:00:00 2001
From: Mirek Kratochvil <exa.exa@gmail.com>
Date: Sat, 27 Dec 2025 15:13:59 +0100
Subject: initial toolification

---
 README.md            |  2 ++
 blames.awk           | 21 +++++++++++++++++++++
 find-base-commits.sh | 40 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 63 insertions(+)
 create mode 100644 README.md
 create mode 100644 blames.awk
 create mode 100755 find-base-commits.sh

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..7932770
--- /dev/null
+++ b/README.md
@@ -0,0 +1,2 @@
+# `git deli` the git delinearizer
+
diff --git a/blames.awk b/blames.awk
new file mode 100644
index 0000000..ff817f1
--- /dev/null
+++ b/blames.awk
@@ -0,0 +1,21 @@
+#!/usr/bin/env gawk
+
+BEGIN {
+	file="";
+	ranges="";
+}
+
+match($0, /^\+\+\+ b\/(.+)$/, matched) {
+	if(ranges!="") print(ranges, "--", file);
+	file=matched[1];
+	ranges="";
+}
+
+match($0, /^@@ -([0-9]+),([0-9]+) /, matched) && file!="" {
+	if(matched[2]!="0")
+		ranges = ranges " -L " matched[1] ",+" matched[2];
+}
+
+END {
+	if(ranges!="") print(ranges, "--", file);
+}
diff --git a/find-base-commits.sh b/find-base-commits.sh
new file mode 100755
index 0000000..3e16227
--- /dev/null
+++ b/find-base-commits.sh
@@ -0,0 +1,40 @@
+#!/bin/bash
+
+extend_bases () {
+  shas="$1"
+  new="$2"
+  for sha in $shas ; do
+    [ "$sha" = "$new" ] && continue
+    ${DELI_GIT_IS_ANCESTOR_CMD:-git merge-base --is-ancestor} "$sha" "$new"
+    res=$?
+    case $res in
+    0) ;;
+    1) echo "$sha" ;;
+    *) echo "$0: ancestor finding failed" >&2
+       exit 1 ;;
+    esac
+  done
+  old=no
+  for sha in $shas ; do
+    [ "$sha" = "$new" ] && continue
+    ${DELI_GIT_IS_ANCESTOR_CMD:-git merge-base --is-ancestor} "$new" "$sha"
+    res=$?
+    case $res in
+    0) old=yes ; break ;;
+    1) ;;
+    *) echo "$0: ancestor finding failed" >&2
+       exit 1 ;;
+    esac
+  done
+  [ $old = no ] && echo "$new"
+}
+
+bases=""
+
+while read sha ; do
+  bases=$( extend_bases "$bases" "$sha" )
+done
+
+for sha in $bases ; do
+  echo "$sha"
+done
-- 
cgit v1.2.3