Add secureblue (#71)

Author: woodknack

config/secureblue/secureblue.cfg

@@ -0,0 +1,33 @@
+# Secureblue (Fedora Atomic-based Live ISO)
+# https://secureblue.dev
+
+iso_pattern="secureblue-*.iso"
+
+for isofile in ($dev,*)$iso_dir/$iso_pattern; do
+	if [ -e "$isofile" ]; then
+		regexp --set=isoname "$iso_dir/(.*)" "$isofile"
+
+		submenu "$isoname ->" "$isofile" "$iso_dir/$isoname" {
+			iso_path="$3"
+			LOOPBACK "$2"
+			probe --label --set=cd_label (loop)
+			isocfg="iso-scan/filename=$iso_path"
+			bootoptions="root=live:CDLABEL=$cd_label rd.live.image quiet rhgb"
+			linux_path="(loop)/boot/vmlinuz"
+			initrd_path="(loop)/boot/initramfs.img"
+
+			menuentry "secureblue Live ISO" {
+				echo Loading kernel...
+				linux $linux_path $isocfg $bootoptions
+				echo Loading initrd...
+				initrd $initrd_path
+			}
+			menuentry "secureblue Live ISO (Basic Graphics Mode)" {
+				echo Loading kernel...
+				linux $linux_path $isocfg $bootoptions nomodeset
+				echo Loading initrd...
+				initrd $initrd_path
+			}
+		}
+	fi
+done

docs/Supported_OS.md

@@ -64,6 +64,7 @@ Below is just a list of tested and working systems. The actual number of support
 | [Qubes OS](https://www.qubes-os.org) | [Qubes-R4.2.1-rc1-x86_64.iso](https://ftp.qubes-os.org/iso/Qubes-R4.2.1-rc1-x86_64.iso) | yes | [no](../config/qubes-os) | no | - |
 | [Rocky Linux](https://rockylinux.org) | [Rocky-9.3-x86_64-boot.iso](https://download.rockylinux.org/pub/rocky/9/isos/x86_64/Rocky-9.3-x86_64-boot.iso) | yes | [no](../config/rocky) | yes | Rocky |
 |  | [Rocky-9.3-x86_64-minimal.iso](https://download.rockylinux.org/pub/rocky/9/isos/x86_64/Rocky-9.3-x86_64-minimal.iso) | yes | [no](../config/rocky) | yes | Rocky |
+| [Secureblue](https://secureblue.dev) |  | yes | [no](../config/secureblue) | yes | Fedora |
 | [ShredOS](https://github.com/PartialVolume/shredos.x86_64) | [shredos-2024.11_27_x86-64_0.38_20250125_vanilla.iso](https://github.com/PartialVolume/shredos.x86_64/releases/download/v2024.11_27_x86-64_0.38/shredos-2024.11_27_x86-64_0.38_20250125_vanilla.iso) | yes | [no](../config/shredos) | no | - |
 | [Slax](https://www.slax.org) | [slax-64bit-debian-12.2.0.iso](https://ftp.sh.cvut.cz/slax/Slax-12.x/slax-64bit-debian-12.2.0.iso) | no | [no](../config/slax) | no | - |
 |  | [slax-64bit-slackware-15.0.4.iso](https://ftp.sh.cvut.cz/slax/Slax-15.x/slax-64bit-slackware-15.0.4.iso) | no | [no](../config/slax) | no | - |