From 153d299a41b9be4e15dab1ca29bb93a74bd2445d Mon Sep 17 00:00:00 2001
From: Andrew Cady <d@jerkface.net>
Date: Fri, 29 Apr 2016 14:36:26 -0400
Subject: fix paths (in progress)

---
 btrfs-functions.sh | 161 -----------------------------------------------------
 1 file changed, 161 deletions(-)
 delete mode 100644 btrfs-functions.sh

(limited to 'btrfs-functions.sh')

diff --git a/btrfs-functions.sh b/btrfs-functions.sh
deleted file mode 100644
index b83b94d..0000000
--- a/btrfs-functions.sh
+++ /dev/null
@@ -1,161 +0,0 @@
-push()
-{
-    $(ARGS_NE mnt src dst_dir)
-
-    now=$(date +%F.%H%M%S) || die
-    snap_dir=$mnt/snapshot.$now
-    prev_dir=$mnt/snapshot.prev
-
-    local BTRFS_RECEIVE_DESTINATION_PATH="$dst_dir"
-    push_helper true "$snap_dir" "$prev_dir" "$src" local_btrfs_receiver
-}
-
-push_simple()
-{
-    $(ARGS_NE mnt src dst_dir)
-    local BTRFS_RECEIVE_DESTINATION_PATH="$dst_dir"
-    push_helper false "$mnt" "$src" local_btrfs_receiver
-}
-
-sex()
-{
-    (set -x; "$@")
-}
-
-local_btrfs_receiver()
-{
-    btrfs receive "$BTRFS_RECEIVE_DESTINATION_PATH"
-}
-
-shellescape()
-{
-    if [ "$BASH_VERSION" ]; then
-        printf %q "$1"
-    else
-        bash -c 'printf %q "$1"' bash "$1"
-    fi
-}
-
-remote_btrfs_receiver()
-{
-    ssh "$BTRFS_RECEIVE_DESTINATION_HOST" -- "btrfs receive $(shellescape "$BTRFS_RECEIVE_DESTINATION_PATH")"
-}
-
-push_helper()
-{
-    $(ARGS     keep_as_prev snap_dir prev_dir src dst_pipe)
-    $(NONEMPTY keep_as_prev snap_dir          src dst_pipe)
-
-    local full_dest rw_dest
-
-    btrfs subvolume snapshot -r "$src" "$snap_dir" || die
-
-    if [ "$prev_dir" -a -d "$prev_dir" ]; then
-        btrfs send -p "$prev_dir" "$snap_dir"
-    else
-        btrfs send "$snap_dir"
-    fi | "$dst_pipe" || die
-
-    if [ "$dst_pipe" = local_btrfs_receiver ]; then
-        local dst="$BTRFS_RECEIVE_DESTINATION_PATH"
-        full_dest=$dst/$(basename "$snap_dir")
-        rw_dest=$full_dest.rw
-        btrfs subvolume snapshot "$full_dest" "$rw_dest"  || die
-        btrfs_replace_default_subvolume_with "$rw_dest"
-    fi
-
-    if $keep_as_prev && [ "$prev_dir" ]
-    then
-        # keep the pushed snapshot in order to reuse it on subsequent pushes.
-        with_dir "$prev_dir"  btrfs subvolume delete  || die
-        sex mv "$snap_dir" "$prev_dir"                || die
-    else
-        btrfs subvolume delete "$snap_dir"
-    fi
-}
-
-btrfs_mountpoint()
-{
-    $(ARGS_NE dir)
-    btrfs filesystem show -m "$dir" >/dev/null 2>&1
-}
-
-btrfs_get_mountpoint()
-{
-    $(ARGS_NE dir)
-    while [ "$dir" -a "$dir" != '.' ]; do
-        if btrfs_mountpoint "$dir"
-        then printf '%s\n' "$dir"
-             return
-        fi
-        dir=$(dirname "$dir")
-    done
-    false
-}
-
-btrfs_show_default_path()
-{
-    $(ARGS_NE mp)
-    local path
-    mp=$(btrfs_get_mountpoint "$mp") || die # TODO: fix caller?
-    btrfs_mountpoint "$mp" || die "not a mountpoint: $mp"
-    path=$(btrfs subvolume get-default "$mp"/|sed -n -e 's/.* path //p')
-    if [ "$path" ]; then
-        printf '%s\n' "$mp/$path"
-    else
-        printf '%s\n' "$mp"
-    fi
-}
-
-btrfs_show_default_id()
-{
-    $(ARGS_NE mp)
-    local id
-    mp=$(btrfs_get_mountpoint "$mp") || die # TODO: fix caller?
-    btrfs_mountpoint "$mp" || die "not a mountpoint: $mp"
-    id=$(btrfs subvolume get-default "$mp"/|sed -n -e 's/^ID \([^ ]*\) .*/\1/p')
-    [ "$id" ] || return
-    echo $id
-}
-
-btrfs_replace_default_subvolume_with()
-{
-    $(ARGS_NE new_default)
-    local old_default old_default_id new_default_id
-    old_default_id=$(btrfs_show_default_id "$new_default")       || die
-    new_default_id=$(btrfs_show_subvolume_id "$new_default")     || die
-
-    [ "$new_default_id" = "$old_default_id" ] && return
-
-    if [ "$old_default_id" != 5 ]; then
-        old_default=$(btrfs_show_default_path "$new_default")    || die
-    else
-        old_default=
-    fi
-
-    btrfs subvolume set-default "$new_default_id" "$new_default" || die
-
-    if [ "$old_default" ]; then
-        btrfs subvolume delete "$old_default"
-        sex mv "$new_default" "$old_default"
-    fi
-}
-
-btrfs_show_subvolume_id()
-{
-    $(ARGS_NE path)
-    local result
-    result=$(btrfs subvolume show "$path" | sed -n -e 's/^[ \t]*Subvolume ID:[ \t]*//p; s/.*is toplevel subvolume/5/p')
-    if [ "$result" ]
-    then printf '%s\n' "$result"
-    else false
-    fi
-}
-
-with_dir()
-{
-    $(ARGS_NE d)
-    shift
-    [ -d "$d" ] || return 0
-    "$@" "$d"
-}
-- 
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