From a80aed7ee1f125aa56ab8a87831201942d39284a Mon Sep 17 00:00:00 2001
From: Leah Rowe <leah@libreboot.org>
Date: Sat, 3 May 2025 05:25:11 +0100
Subject: lib.sh: add fe_ which is fx_ but err on find

In the mk script, we need fx_ to not return errors on the
find command, since it's searching a bunch of directories
where some of them may not exist.

All other instances where fx_ is used, must return an error
if the directory being searched doesn't exist.

For this, fe_() is introduced, which does the same as fx_
but with this much stricter check.

Signed-off-by: Leah Rowe <leah@libreboot.org>
---
 include/inject.sh |  6 +++---
 include/lib.sh    | 13 ++++++++++++-
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/include/inject.sh b/include/inject.sh
index 0886adc8..2e821d86 100644
--- a/include/inject.sh
+++ b/include/inject.sh
@@ -283,7 +283,7 @@ extract_tbfw()
 	chkvars TBFW_size # size in bytes, matching TBFW's flash IC
 	x_ mkdir -p tmp
 
-	x_ rm -f tmp/tb.bin && fx_ copy_tbfw "$appdir" -type f -name "TBT.bin"
+	x_ rm -f tmp/tb.bin && fe_ copy_tbfw "$appdir" -type f -name "TBT.bin"
 
 	x_ dd if=/dev/null of=tmp/tb.bin bs=1 seek=$TBFW_size
 	x_ cp "tmp/tb.bin" "$_dest"
@@ -421,7 +421,7 @@ patch_release_roms()
 	x_ mkdir -p "tmp"
 
 	if readkconfig; then
-		fx_ prep_rom "$tmpromdir" -maxdepth 1 -type f -name "*.rom"
+		fe_ prep_rom "$tmpromdir" -maxdepth 1 -type f -name "*.rom"
 		[ "$nukemode" != "nuke" ] || \
 			printf "Make sure you inserted vendor files: %s\n" \
 			    "$vguide" > "$tmpromdir/README.md" || :
@@ -571,7 +571,7 @@ modify_mac()
 	[ "$new_mac" != "restore" ] && x_ make -C util/nvmutil && \
 	    x_ "$nvm" tmp/gbe setmac "$new_mac"
 
-	fx_ newmac "$tmpromdir" -maxdepth 1 -type f -name "*.rom"
+	fe_ newmac "$tmpromdir" -maxdepth 1 -type f -name "*.rom"
 
 	printf "\nGbE NVM written to '%s':\n" "$archive"
 	x_ "$nvm" tmp/gbe dump | grep -v "bytes read from file" || :
diff --git a/include/lib.sh b/include/lib.sh
index 507a37c1..3f5e5d37 100644
--- a/include/lib.sh
+++ b/include/lib.sh
@@ -128,11 +128,22 @@ setvars()
 	printf "%s\n" "${_setvars% }"
 }
 
+fe_()
+{
+	find_ex "x_" "$@"
+}
+
 fx_()
 {
+	find_ex "" "$@"
+}
+
+find_ex()
+{
+	errx="$1" && shift 1
 	fd="`mktemp`"
 	xx="$1" && shift 1
-	find "$@" | sort > "$fd" || $err "!find $(echo "$@") > \"$fd\""
+	$errx find "$@" | sort > "$fd" || $err "!find $(echo "$@") > \"$fd\""
 	while read -r fx; do
 		"$xx" "$fx" || break; :
 	done < "$fd"
-- 
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