use camel case for all variables

Author: Mic92

src/get-facts.sh

@@ -1,21 +1,21 @@
 #!/bin/sh
-set -efu "${enable_debug:-}"
+set -efu "${enableDebug:-}"
 has() {
   command -v "$1" >/dev/null && echo "y" || echo "n"
 }
-is_nixos=$(if test -f /etc/os-release && grep -Eq 'ID(_LIKE)?="?nixos"?' /etc/os-release; then echo "y"; else echo "n"; fi)
+isNixos=$(if test -f /etc/os-release && grep -Eq 'ID(_LIKE)?="?nixos"?' /etc/os-release; then echo "y"; else echo "n"; fi)
 cat <<FACTS
-is_os=$(uname)
-is_arch=$(uname -m)
-is_kexec=$(if test -f /etc/is_kexec; then echo "y"; else echo "n"; fi)
-is_nixos=$is_nixos
-is_installer=$(if [ "$is_nixos" = "y" ] && grep -Eq 'VARIANT_ID="?installer"?' /etc/os-release; then echo "y"; else echo "n"; fi)
-is_container=$(if [ "$(has systemd-detect-virt)" = "y" ]; then systemd-detect-virt --container; else echo "none"; fi)
-has_ipv6_only=$(if [ "$(has ip)" = "n" ] || ip r g 1 >/dev/null 2>/dev/null || ! ip -6 r g :: >/dev/null 2>/dev/null; then echo "n"; else echo "y"; fi)
-has_tar=$(has tar)
-has_sudo=$(has sudo)
-has_doas=$(has doas)
-has_wget=$(has wget)
-has_curl=$(has curl)
-has_setsid=$(has setsid)
+isOs=$(uname)
+isArch=$(uname -m)
+isKexec=$(if test -f /etc/is_kexec; then echo "y"; else echo "n"; fi)
+isNixos=$isNixos
+isInstaller=$(if [ "$isNixos" = "y" ] && grep -Eq 'VARIANT_ID="?installer"?' /etc/os-release; then echo "y"; else echo "n"; fi)
+isContainer=$(if [ "$(has systemd-detect-virt)" = "y" ]; then systemd-detect-virt --container; else echo "none"; fi)
+hasIpv6Only=$(if [ "$(has ip)" = "n" ] || ip r g 1 >/dev/null 2>/dev/null || ! ip -6 r g :: >/dev/null 2>/dev/null; then echo "n"; else echo "y"; fi)
+hasTar=$(has tar)
+hasSudo=$(has sudo)
+hasDoas=$(has doas)
+hasWget=$(has wget)
+hasCurl=$(has curl)
+hasSetsid=$(has setsid)
 FACTS