From 2d4e384597040b63b8bc34b8db32a9c4e0f39afc Mon Sep 17 00:00:00 2001
From: Andrew Cady <d@jerkface.net>
Date: Sun, 25 Jun 2023 18:23:08 -0400
Subject: move large files into btrfs subvolume

---
 .gitignore    |  3 +--
 Makefile      | 43 ++++++++++++++++++-------------------------
 sha256sum.txt | 16 ++++++++--------
 3 files changed, 27 insertions(+), 35 deletions(-)

diff --git a/.gitignore b/.gitignore
index e4fbb9c..24fdeeb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,2 @@
-Super-UEFIinSecureBoot-Disk_v*.zip
-/*/Super-UEFIinSecureBoot-Disk.img
+/_images/
 /*/BOOTX64.EFI
diff --git a/Makefile b/Makefile
index 987e707..90331e1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,39 +1,32 @@
-ver = 3
+version = 3
 efi_files = BOOTX64.EFI
-zip = Super-UEFIinSecureBoot-Disk_v$(ver).zip
-img = $(ver)/Super-UEFIinSecureBoot-Disk.img
-
-ver_files = $(addprefix $(ver)/,$(efi_files))
+zip = _images/Super-UEFIinSecureBoot-Disk_v$(version).zip
+img = _images/$(version)/Super-UEFIinSecureBoot-Disk.img
+sum_file = sha256sum.txt
+extracted_efi_files = $(addprefix $(version)/,$(efi_files))
 
-all: $(ver_files)
+sha256_check_file = grep ' $(1)$$' < $(sum_file) | sha256sum -c
 
+all: $(extracted_efi_files)
 clean:
-	rm -f $(ver_files)
-
+	rm -f $(extracted_efi_files)
+image: $(img)
 view: $(zip)
 	unzip -v $^
 
-image: $(img)
-
-$(ver):
+$(version):
 	mkdir $@
-
-sum_file = sha256sum.txt
-
-define sha256_check_file
-	grep ' $(1)$$' < $(sum_file) | sha256sum -c
-endef
-
-$(img): | $(zip) $(ver)
+_images/$(version):
+	btrfs subvolume create $@
+$(img): $(zip) | $(dir $(img))
 	$(call sha256_check_file,$(zip))
-	unzip -d $(ver) $(zip)
-
+	unzip -d $(dir $@) $<
+	touch $(img)
 $(zip):
-	wget -c https://github.com/ValdikSS/Super-UEFIinSecureBoot-Disk/releases/download/$(ver)/$@ -O $@~tmp
+	wget -c https://github.com/ValdikSS/Super-UEFIinSecureBoot-Disk/releases/download/$(version)/$@ -O $@~tmp
 	mv $@~tmp $@
-
-$(ver_files): $(img) $(ver)
+$(extracted_efi_files): $(img) | $(version)
 	$(call sha256_check_file,$(img))
-	sudo systemd-run --working-directory $(ver) --wait -P -p PrivateMounts=yes -- \
+	sudo systemd-run --working-directory $(version) --wait -P -p PrivateMounts=yes -- \
 		$$PWD/src/extract-part1-files.bash $$PWD/$(img) $(addprefix EFI/BOOT/,$(efi_files))
 	$(call sha256_check_file,$@)
diff --git a/sha256sum.txt b/sha256sum.txt
index 0383acc..63275ca 100644
--- a/sha256sum.txt
+++ b/sha256sum.txt
@@ -1,12 +1,12 @@
 e6cb6a3dcbd85954e5123759461198af67658aa425a6186ffc9b57b772f9158f  3-2/BOOTX64.EFI
-ba2d8b89abf467a2ac06dc93a48eac69a086eca8145ca50428cc1f9b8e4a0315  3-2/Super-UEFIinSecureBoot-Disk.img
 e6cb6a3dcbd85954e5123759461198af67658aa425a6186ffc9b57b772f9158f  3-3/BOOTX64.EFI
-22960c778adcd9deb4321bec7a8f4a25effbbdcc9068942a724102a24d328b40  3-3/Super-UEFIinSecureBoot-Disk.img
 62bbc1295c118952b7db11690635f52929dafa384bc1e587f042916b121a6a56  3-4/BOOTX64.EFI
-a94ac8c7a72093398614e8ea0a92fe98fd37fc49a9366a43d5086049d05e6a0a  3-4/Super-UEFIinSecureBoot-Disk.img
 475552c7476ad45e42344eee8b30d44c264d200ac2468428aa86fc8795fb6e34  3/BOOTX64.EFI
-1a06df3ecfd8656fdf0bb5699b84f52b321c976d13801c9790aadf11ca6d14af  3/Super-UEFIinSecureBoot-Disk.img
-72fbec0e5459dc13a264b9e539fc8f068203de5daf9804965f75cfc68ab21675  Super-UEFIinSecureBoot-Disk_v3-2.zip
-793da93c21530be4abb6b745a5d9110bd86ef091e760e9b3d7983e11edabbe4a  Super-UEFIinSecureBoot-Disk_v3-3.zip
-9e113856e81d7c800dd4d16d4875cf6bd218f5e779e2643dd904d309bff85842  Super-UEFIinSecureBoot-Disk_v3-4.zip
-3743c557ed41b3949fa92294e690834b1945ce25d55a71d009886dc0a13deb18  Super-UEFIinSecureBoot-Disk_v3.zip
+ba2d8b89abf467a2ac06dc93a48eac69a086eca8145ca50428cc1f9b8e4a0315  _images/3-2/Super-UEFIinSecureBoot-Disk.img
+22960c778adcd9deb4321bec7a8f4a25effbbdcc9068942a724102a24d328b40  _images/3-3/Super-UEFIinSecureBoot-Disk.img
+a94ac8c7a72093398614e8ea0a92fe98fd37fc49a9366a43d5086049d05e6a0a  _images/3-4/Super-UEFIinSecureBoot-Disk.img
+1a06df3ecfd8656fdf0bb5699b84f52b321c976d13801c9790aadf11ca6d14af  _images/3/Super-UEFIinSecureBoot-Disk.img
+72fbec0e5459dc13a264b9e539fc8f068203de5daf9804965f75cfc68ab21675  _images/Super-UEFIinSecureBoot-Disk_v3-2.zip
+793da93c21530be4abb6b745a5d9110bd86ef091e760e9b3d7983e11edabbe4a  _images/Super-UEFIinSecureBoot-Disk_v3-3.zip
+9e113856e81d7c800dd4d16d4875cf6bd218f5e779e2643dd904d309bff85842  _images/Super-UEFIinSecureBoot-Disk_v3-4.zip
+3743c557ed41b3949fa92294e690834b1945ce25d55a71d009886dc0a13deb18  _images/Super-UEFIinSecureBoot-Disk_v3.zip
-- 
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