Revert "get.sh: put tmpclone dirs in xbtmp"

This reverts commit 01a779d4eb.

This commit broke ./mk -d coreboot for vendor files in lbmk.

include/get.sh

@@ -3,7 +3,10 @@
 # Copyright (c) 2022 Caleb La Grange <thonkpeasant@protonmail.com>
 
 eval "`setvars "" loc url bkup_url subcurl subhash subgit subgit_bkup \
-    depend subcurl_bkup tmpgit`"
+    depend subcurl_bkup`"
+
+tmpgit="$xbtmp/gitclone"
+tmpgitcache="$XBMK_CACHE/tmpgit"
 
 fetch_targets()
 {
@@ -28,7 +31,7 @@ clone_project()
 	loc="$XBMK_CACHE/clone/$project" && singletree "$project" && \
 	    loc="src/$project"
 
-	e "$loc" d missing && git_prep \
+	e "$loc" d missing && remkdir "${tmpgit%/*}" && git_prep \
 	    "$url" "$bkup_url" "$xbmkpwd/config/$project/patches" "$loc"; :
 }
 
@@ -39,10 +42,6 @@ git_prep()
 	_patchdir="$3"
 	_loc="$4" # $1 and $2 are gitrepo and gitrepo_backup
 
-	tmpgit="`mktemp -d || err "can't make tmpgit"`" || err
-	x_ rm -Rf "$tmpgit"
-	x_ mkdir -p "${tmpgit%/*}"
-
 	chkvars rev
 	xbget git "$1" "$2" "$tmpgit" "$rev" "$_patchdir"
 	if singletree "$project" || [ $# -gt 4 ]; then
@@ -135,9 +134,7 @@ try_copy()
 try_git()
 {
 	gitdest="`findpath "$1"`" || err "Can't get readpath for '$1'"
-	tmpgitcache="`mktemp -d || err "can't make tmpgitcache"`" || err
 	x_ rm -Rf "$tmpgitcache"
-	x_ mkdir -p "${tmpgitcache%/*}"
 
 	[ -d "$gitdest" ] || ( x_ git clone "$2" "$tmpgitcache" ) || return 1
 	[ -d "$gitdest" ] || x_ mkdir -p "${gitdest%/*}"

include/tree.sh

@@ -65,6 +65,8 @@ trees()
 	targets="$*"
 	cmd="build_targets $targets"
 	singletree "$project" && cmd="build_project"
+
+	remkdir "${tmpgit%/*}"
 }
 
 build_project()