From cc735dbbfc79e14548db7378a85380dfbf3513ff Mon Sep 17 00:00:00 2001
From: David Runge <dvzrv@archlinux.org>
Date: Sat, 1 May 2021 16:51:28 +0200
Subject: [PATCH] Force PGP signature file extension

archiso/mkarchiso:
Force the file extension in use for the PGP signatures of the rootfs to always be .sig.
When gnupg's 'armor' configuration option is used, the output otherwise defaults to using .asc.
As the verification hook in mkinitcpio-archiso expects the .sig file extension, verifying the rootfs will fail in that
scenario.
---
 archiso/mkarchiso | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/archiso/mkarchiso b/archiso/mkarchiso
index 939a7a3..f4af2ad 100755
--- a/archiso/mkarchiso
+++ b/archiso/mkarchiso
@@ -227,10 +227,11 @@ _mkchecksum() {
 _mksignature() {
     _msg_info "Signing SquashFS image..."
     cd -- "${isofs_dir}/${install_dir}/${arch}"
+    # always use the .sig file extension, as that is what mkinitcpio-archiso's hooks expect
     if [[ -e "${isofs_dir}/${install_dir}/${arch}/airootfs.sfs" ]]; then
-        gpg --detach-sign --default-key "${gpg_key}" airootfs.sfs
+        gpg --output airootfs.sfs.sig --detach-sign --default-key "${gpg_key}" airootfs.sfs
     elif [[ -e "${isofs_dir}/${install_dir}/${arch}/airootfs.erofs" ]]; then
-        gpg --detach-sign --default-key "${gpg_key}" airootfs.erofs
+        gpg --output airootfs.erofs.sig --detach-sign --default-key "${gpg_key}" airootfs.erofs
     fi
     cd -- "${OLDPWD}"
     _msg_info "Done!"