From 8dd4dfc841de65af95b716515cbfe55b3630a390 Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@lukeshu.com>
Date: Sat, 6 May 2023 17:54:46 -0600
Subject: mv scripts examples

---
 scripts/diff-dump-tree.sh | 34 ------------------
 scripts/main.sh           | 89 -----------------------------------------------
 scripts/mount.sh          | 21 -----------
 3 files changed, 144 deletions(-)
 delete mode 100755 scripts/diff-dump-tree.sh
 delete mode 100755 scripts/main.sh
 delete mode 100755 scripts/mount.sh

(limited to 'scripts')

diff --git a/scripts/diff-dump-tree.sh b/scripts/diff-dump-tree.sh
deleted file mode 100755
index c3de337..0000000
--- a/scripts/diff-dump-tree.sh
+++ /dev/null
@@ -1,34 +0,0 @@
-#!/bin/bash
-readonly image=../scratch/new.img
-
-######################################################################
-
-set -e
-(
-	cd ../btrfs-progs
-	if ! test -f configure; then
-		./autogen.sh
-	fi
-	if ! test -f config.status; then
-		./configure \
-			--disable-documentation \
-			--enable-experimental
-	fi
-	make
-)
-
-make build
-
-######################################################################
-
-diff -u \
-     <(../btrfs-progs/btrfs inspect dump-tree --noscan --csum-items "$image" |
-	       sed -e 's/ UNKNOWN.0 / UNTYPED /g' \
-		   -e 's/\b18446744073709551615\b/-1/g' \
-		   -e 's/INODE_REF 6)/INODE_REF ROOT_TREE_DIR)/g' \
-		   -e 's/ROOT_BACKREF 5)/ROOT_BACKREF FS_TREE)/g' \
-		   ) \
-     <(./bin/btrfs-rec inspect dump-trees --pv="$image" |
-	       sed -E \
-		   -e 's/([0-9]),/\1/g' \
-		   )
diff --git a/scripts/main.sh b/scripts/main.sh
deleted file mode 100755
index 082576a..0000000
--- a/scripts/main.sh
+++ /dev/null
@@ -1,89 +0,0 @@
-#!/bin/bash
-readonly image=../scratch/dump-zero.img
-
-######################################################################
-
-set -e
-
-run-btrfs-rec() {
-	local tgt=$1; shift
-	local log=${tgt%.*}.log
-	if test -s "$tgt"; then
-		return
-	fi
-	{
-		set -x;
-		command time --verbose \
-			./bin/btrfs-rec \
-			--pv="$image" \
-			--profile.cpu="${tgt%.*}.cpu.pprof" \
-			--profile.allocs="${tgt%.*}.allocs.pprof" \
-			"$@"
-	} >"$tgt" 2> >(tee >&2 "$log")
-}
-
-set -x
-make build
-gendir="${image%.img}.gen"
-mkdir -p "$gendir"
-export GOMEMLIMIT="$(awk '/^MemTotal:/{ print $2 "KiB" }' </proc/meminfo)"
-{ set +x; } &>/dev/null
-
-######################################################################
-
-# 0: initial scan ##########################################
-
-run-btrfs-rec $gendir/0.scandevices.json \
-    inspect rebuild-mappings scan
-run-btrfs-rec $gendir/0.nodes.json \
-    inspect rebuild-mappings list-nodes $gendir/0.scandevices.json
-
-# 1-2: rebuild chunk/dev-ext/blockgroup trees ##############
-
-run-btrfs-rec $gendir/1.mappings.json \
-    inspect rebuild-mappings process $gendir/0.scandevices.json
-
-# 1.mappings.log says:
-#
-#     detailed report:
-#     ... unmapped physical region: dev=1 beg=0x0000000000000000 end=0x0000000000100000 (size=0x0000000000100000)
-#     ... unmapped physical region: dev=1 beg=0x0000000000500000 end=0x0000000001500000 (size=0x0000000001000000)
-#     ... unmapped physical region: dev=1 beg=0x0000003b9e650000 end=0x0000003b9e656000 (size=0x0000000000006000)
-#     ... umapped summed logical region:  beg=0x0000000000d00000 end=0x0000000001500000 (size=0x0000000000800000)
-#     ... umapped block group:            beg=0x0000000000500000 end=0x0000000000d00000 (size=0x0000000000800000) flags=METADATA|single
-#     ... umapped block group:            beg=0x0000000000d00000 end=0x0000000001500000 (size=0x0000000000800000) flags=DATA|single
-#
-# Those 2 block groups clearly both slot in to that 2nd physical
-# region (which is roughly beg=5MB end=22MB).  Since that whole
-# region's data was lost (roughly the 1st 100MB was lost), it doesn't
-# matter which order we put the 2 block groups in within that physical
-# region.  So just put them in laddr order.
-#
-# And then run that through `rebuild-mappings process` again to fill in the
-# flags and normalize it.
-run-btrfs-rec $gendir/2.mappings.json \
-    --mappings=<(sed <$gendir/1.mappings.json \
-      -e '2a{"LAddr":5242880,"PAddr":{"Dev":1,"Addr":5242880},"Size":1},' \
-      -e '2a{"LAddr":13631488,"PAddr":{"Dev":1,"Addr":13631488},"Size":1},') \
-    inspect rebuild-mappings process $gendir/0.scandevices.json
-
-# 3: rebuild other trees ###################################
-
-run-btrfs-rec $gendir/3.trees.json \
-    --mappings=$gendir/2.mappings.json \
-    --node-list=$gendir/0.nodes.json \
-    inspect rebuild-trees
-
-# 4: dump data from the FS #################################
-
-run-btrfs-rec $gendir/4.ls-files.txt \
-    --mappings=$gendir/2.mappings.json \
-    --node-list=$gendir/0.nodes.json \
-    --trees=$gendir/3.trees.json \
-    inspect ls-files
-
-run-btrfs-rec $gendir/4.ls-trees.txt \
-    --mappings=$gendir/2.mappings.json \
-    --node-list=$gendir/0.nodes.json \
-    --trees=$gendir/3.trees.json \
-    inspect ls-trees
diff --git a/scripts/mount.sh b/scripts/mount.sh
deleted file mode 100755
index 4894e94..0000000
--- a/scripts/mount.sh
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/bin/bash
-readonly image=../scratch/dump-zero.img
-
-######################################################################
-
-set -e
-set -x
-
-make build
-
-gendir="${image%.img}.gen"
-mountpoint="${image%.img}.mnt"
-mkdir -p "$mountpoint"
-
-sudo ./bin/btrfs-rec \
-     --pv="$image"
-     --mappings="$gendir/2.mappings.json" \
-     --rebuild \
-     inspect mount \
-     --skip-filesums \
-     "$mountpoint"
-- 
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