From: Keith Packard <keithp@keithp.com>
Date: Wed, 12 Feb 2025 06:00:59 +0000 (-0800)
Subject: Add 'diff-pref' tool to show preferred-parts.ods differences
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=61c60e3ff8756908b25d5442b376acf0e015f4bd;p=hw%2Faltusmetrum

Add 'diff-pref' tool to show preferred-parts.ods differences

Converts git versions to csv and diffs those

Usage:
	diff-pref			diff working copy and HEAD
	diff-pref <rev>			diff working copy and <rev>
	diff-prev <rev-a> <rev-b>	diff two revisions

Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/bin/diff-pref b/bin/diff-pref
new file mode 100755
index 0000000..394175a
--- /dev/null
+++ b/bin/diff-pref
@@ -0,0 +1,37 @@
+#!/bin/bash
+
+AM=`dirname "$0"`/..
+
+case $# in
+    0)
+	echo "Usage: $0 <ref-a> {ref-b}" 1>&2
+	exit 1
+	;;
+    1)
+	ref_a="$1"
+	ref_b="preferred-parts.ods"
+	;;
+    2)
+	ref_a="$1"
+	ref_b="$2"
+	;;
+esac
+
+TMP_A=`mktemp -d -p .`
+TMP_B=`mktemp -d -p .`
+
+trap "rm -r '$TMP_A' '$TMP_B'" 0 1 15
+
+(cd "$AM" && git show "$ref_a":preferred-parts.ods) > "$TMP_A"/preferred-parts.ods || (echo "$ref_a: show failed"; exit 1)
+libreoffice --headless --convert-to csv "$TMP_A"/preferred-parts.ods --outdir "$TMP_A" >&/dev/null || (echo "$ref_a: convert failed"; exit 1)
+case "$ref_b" in
+    preferred-parts.ods)
+	libreoffice --headless --convert-to csv "$AM"/preferred-parts.ods --outdir "$TMP_B" >&/dev/null || (echo "$ref_b: convert failed"; exit 1)
+	;;
+    *)
+	(cd "$AM" && git show "$ref_b":preferred-parts.ods) > $TMP_B/preferred-parts.ods || (echo "$ref_b: show failed"; exit 1)
+	libreoffice --headless --convert-to csv "$TMP_B"/preferred-parts.ods --outdir "$TMP_B" >&/dev/null || (echo "$ref_b: convert failed"; exit 1)
+	;;
+esac
+
+diff --label "$ref_a" --label "$ref_b" -u "$TMP_A"/preferred-parts.csv "$TMP_B"/preferred-parts.csv