init commit

update-integrity

@@ -0,0 +1,52 @@
+#!/bin/sh
+
+# Small script for updating the sha256 sums in PKGBUILD files.
+# Useful for AUR maintainers.
+# Automatically replaces sha256sums* with updated versions from
+# makepkg -g. Previous PKGBUILD is always backed up.
+# Requires kakoune (pacman -S kakoune)
+# Author: Daniel Fichtinger <daniel@ficd.ca>
+# License: GPLv3
+
+# check if user gave path to a PKGBUILD,
+# or a directory that contains it.
+if [ "$#" -eq 0 ]; then
+    input="$PWD"
+else
+    input="$1"
+fi
+if [ -d "$input" ]; then
+    input="$input/PKGBUILD"
+fi
+if [ "$(basename "$input")" != "PKGBUILD" ] || [ ! -f "$input" ]; then
+    echo "PKGBUILD not found!"
+    exit 1
+fi
+pwd="$(dirname "$input")"
+
+# use kak -f to perform the replacement
+# select first and last line with sha256sums
+# select union of those selections
+# replace selection with output of makepkg -g
+kak_filter='gg/sha256sums<ret>xZgg<a-/><ret>x<a-z>u|makepkg -g<ret>'
+# run the filter and write to temp file
+tempfile="$(mktemp)"
+env -C "$pwd" kak -f "$kak_filter" <"$input" >"$tempfile"
+
+# user confirmation
+${PAGER:-less} "$tempfile"
+printf 'Do you want to proceed? [y/N]: '
+read -r answer
+case "$answer" in
+    [Yy]*)
+        echo "Replacing..."
+        # back up previous
+        mv "$input" "${input}.bak"
+        mv "$tempfile" "$input"
+        ;;
+    *)
+        echo "Aborted."
+        rm "$tempfile"
+        exit 1
+        ;;
+esac