inject.sh: simplify remktar()

Signed-off-by: Leah Rowe <leah@libreboot.org>

include/inject.sh

@@ -13,7 +13,7 @@ cv="CONFIG_GBE_BIN_PATH"
 [ -n "$cvchk" ] && cv="$cv $cvchk"
 
 eval "`setvars "" archive boarddir IFD_platform ifdprefix tree new_mac \
-    tmpromdir board xchanged $cv`"
+    tdir board xchanged $cv`"
 
 inject()
 {
@@ -41,7 +41,8 @@ inject()
 	x_ e "$archive" f && check_release
 	check_target && patch_release
 
-	[ "$xchanged" = "y" ] && remktar
+	[ "$xchanged" != "y" ] || ( remktar ) || err
+	x_ mv "${tdir%"/bin/$board"}/bin/${relname}_${board}.tar.xz" "$archive"
 
 	xnot=" NOT" && [ "$xchanged" = "y" ] && xnot=""
 	printf "\n'%s' was%s modified\n" "$archive" "$xnot" 1>&2
@@ -80,13 +81,13 @@ patch_release()
 	[ "$nuke" = "nuke" ] || x_ ./mk download "$board"
 
 	has_hashes="n"
-	tmpromdir="$tmpromdel/bin/$board"
+	tdir="$tmpromdel/bin/$board"
 
-	remkdir "${tmpromdir%"/bin/$board"}"
-	x_ tar -xf "$archive" -C "${tmpromdir%"/bin/$board"}"
+	remkdir "${tdir%"/bin/$board"}"
+	x_ tar -xf "$archive" -C "${tdir%"/bin/$board"}"
 
 	for _hashes in "vendorhashes" "blobhashes"; do
-		e "$tmpromdir/$_hashes" f && \
+		e "$tdir/$_hashes" f && \
 		    has_hashes="y" && hashfile="$_hashes" && break; :
 	done
 
@@ -117,7 +118,7 @@ modify_mac()
 	    x_ make -C util/nvmutil clean && x_ make -C util/nvmutil && \
 	    x_ "$nvm" "$xbloc/gbe" setmac "$new_mac"
 
-	fx_ newmac x_ find "$tmpromdir" -maxdepth 1 -type f -name "*.rom"
+	fx_ newmac x_ find "$tdir" -maxdepth 1 -type f -name "*.rom"
 
 	printf "\nThe following GbE NVM data will be written:\n"
 	x_ "$nvm" "$xbloc/gbe" dump | grep -v "bytes read from file" || :
@@ -131,12 +132,7 @@ newmac()
 
 remktar()
 {
-	(
-	x_ cd "${tmpromdir%"/bin/$board"}"
+	x_ cd "${tdir%"/bin/$board"}"
 	printf "Re-building tar archive (please wait)\n"
 	mkrom_tarball "bin/$board" 1>/dev/null
-	) || err "Cannot re-generate '$archive'"
-
-	mv "${tmpromdir%"/bin/$board"}/bin/${relname}_${board}.tar.xz" \
-	    "$archive" || err "'$archive' -> Can't overwrite"; :
 }