[PATCH v4 06/13] scripts: Use shell expansion to get partition path

[Demi Marie Obenour <demiobenour@gmail.com>]

Avoids a pointless call to awk.  No functional change intended.

Signed-off-by: Demi Marie Obenour <demiobenour@gmail.com>
---
Changes since v2:

- Move into separate commit.
---
 scripts/make-gpt.sh | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/scripts/make-gpt.sh b/scripts/make-gpt.sh
index c3f16e6c029d1d27d3da9e05e50945a56bfad9f8..7baa3cd42ad8b0b664f56c68c1f254f3c2965623 100644
--- a/scripts/make-gpt.sh
+++ b/scripts/make-gpt.sh
@@ -28,13 +28,6 @@ fillPartition() {
 	lseek -S 1 "$start" cat "$3" 1<>"$1"
 }
 
-# Prints the partition path from a PATH:PARTTYPE[:PARTUUID[:PARTLABEL]] string.
-partitionPath() {
-	awk -F: '{print $1}' <<EOF
-$1
-EOF
-}
-
 scriptsDir="$(dirname "$0")"
 
 out="$1"
@@ -49,8 +42,7 @@ for partition; do
 		sizeMiB=${BASH_REMATCH[1]}
 		partition=${partition%:*}
 	else
-		partitionPath=$(partitionPath "$partition")
-		sizeMiB=$(sizeMiB "$partitionPath")
+		sizeMiB=$(sizeMiB "${partition%%:*}")
 	fi
 	table+=$'\n'"size=${sizeMiB}MiB,$(awk -f "$scriptsDir/sfdisk-field.awk" -v partition="$partition")"
 	gptBytes=$((gptBytes + sizeMiB * ONE_MiB))
@@ -64,7 +56,6 @@ EOF
 
 n=0
 for partition; do
-	partitionPath=$(partitionPath "$partition")
-	fillPartition "$out" "$n" "$partitionPath"
+	fillPartition "$out" "$n" "${partition%%:*}"
 	n=$((n + 1))
 done

-- 
2.52.0