Shorten permission checking to ensure we can actually write our initramfs.

These tests can be combined into an if... elif... elif... statement, and
that makes it clear they are all part of the same test.

diff --git a/dracut b/dracut
index 33d802a0e9bd521c9bacd24176d8eb387a4983fb..184b0c1c05e97b864dd8fe781a3135cb5769fdd0 100755 (executable)
--- a/dracut
+++ b/dracut
@@ -210,18 +210,14 @@ if [[ -f $outfile && ! $force ]]; then
     exit 1
 fi
 
-outdir=$(dirname "$outfile")
-if ! [[ -d "$outdir" ]]; then
+outdir=${outfile%/*}
+if [[ ! -d "$outdir" ]]; then
     echo "Can't write $outfile: Directory $outdir does not exist."
     exit 1
-fi
-
-if ! [[ -w "$outdir" ]]; then
+elif [[ ! -w "$outdir" ]]; then
     echo "No permission to write $outdir."
     exit 1
-fi
-
-if [[ -f "$outfile" ]] &&  ! [[ -w "$outfile" ]]; then
+elif [[ ! -w "$outfile" ]]; then
     echo "No permission to write $outfile."
     exit 1
 fi