feat: add snigdha os keyrings file

snigdhaos-keyring/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Snigdha OS
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

snigdhaos-keyring/Makefile

@@ -0,0 +1,11 @@
+V=20240430
+
+PREFIX = /usr/local
+
+install:
+	install -dm755 $(DESTDIR)$(PREFIX)/share/pacman/keyrings/
+	install -m0644 snigdhaos{.gpg,-trusted,-revoked} $(DESTDIR)$(PREFIX)/share/pacman/keyrings/
+
+uninstall:
+	rm -f $(DESTDIR)$(PREFIX)/share/pacman/keyrings/snigdhaos{.gpg,-trusted,-revoked}
+	rmdir -p --ignore-fail-on-non-empty $(DESTDIR)$(PREFIX)/share/pacman/keyrings/

snigdhaos-keyring/PKGBUILD

@@ -0,0 +1,27 @@
+# Based on the file created for Arch Linux by:
+# Pierre Schmitz <pierre@archlinux.de>
+
+pkgname=snigdhaos-keyring
+pkgver=20240430
+pkgrel=1
+pkgdesc='Snigdha OS GPG keyring'
+arch=('any')
+url='https://snigdhaos.org'
+license=('MIT')
+install="${pkgname}.install"
+source=('Makefile'
+        'snigdhaos.gpg'
+        'snigdhaos-revoked'
+        'snigdhaos-trusted')
+validpgpkeys=(
+    '90036098D2B5C70D601D904D3EADBD4DF45A55DD'
+) # eshan
+sha256sums=('SKIP'
+            'SKIP'
+            'SKIP'
+            'SKIP')
+
+package() {
+	cd "${srcdir}"
+	make PREFIX=/usr DESTDIR=${pkgdir} install
+}

snigdhaos-keyring/snigdhaos-keyring.install

@@ -0,0 +1,14 @@
+post_upgrade() {
+	if usr/bin/pacman-key -l >/dev/null 2>&1; then
+		usr/bin/pacman-key --populate snigdhaos
+	else
+		echo " >>> Run \`pacman-key --init\` to set up your pacman keyring."
+		echo " >>> Then run \`pacman-key --populate snigdhaos\` to install the Snigdha OS keyring."
+	fi
+}
+
+post_install() {
+	if [ -x usr/bin/pacman-key ]; then
+		post_upgrade
+	fi
+}

snigdhaos-keyring/snigdhaos-trusted

@@ -0,0 +1 @@
+90036098D2B5C70D601D904D3EADBD4DF45A55DD:4:

snigdhaos-keyring/snigdhaos.gpg

@@ -0,0 +1,42 @@
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+=sH9j
+-----END PGP PUBLIC KEY BLOCK-----