[PR PATCH] hooks/post-install/06-strip-and-debug-pkgs.sh: speed up.

[leahneukirchen <leahneukirchen@users.noreply.github.com>]

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There is a new pull request by leahneukirchen against master on the void-packages repository

https://github.com/leahneukirchen/void-packages faster-strip-and-debug
https://github.com/void-linux/void-packages/pull/28278

hooks/post-install/06-strip-and-debug-pkgs.sh: speed up.
Only run file once for each file in the destdir, only double-check
when we are about to strip the ELF files.


A patch file from https://github.com/void-linux/void-packages/pull/28278.patch is attached

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From 6c1f257900c82ac5d08c821f12b30bfbb6c67736 Mon Sep 17 00:00:00 2001
From: Leah Neukirchen <leah@vuxu.org>
Date: Thu, 28 Jan 2021 01:18:07 +0100
Subject: [PATCH] hooks/post-install/06-strip-and-debug-pkgs.sh: speed up.

Only run file once for each file in the destdir, only double-check
when we are about to strip the ELF files.
---
 .../hooks/post-install/06-strip-and-debug-pkgs.sh   | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/common/hooks/post-install/06-strip-and-debug-pkgs.sh b/common/hooks/post-install/06-strip-and-debug-pkgs.sh
index b59dde5ab3c..d42c79b5c41 100644
--- a/common/hooks/post-install/06-strip-and-debug-pkgs.sh
+++ b/common/hooks/post-install/06-strip-and-debug-pkgs.sh
@@ -70,10 +70,6 @@ hook() {
 			continue
 		fi
 
-		if [[ $(file -b "$f") =~ "no machine" ]]; then
-			continue
-		fi
-
 		fname=${f##*/}
 		for x in ${nostrip_files}; do
 			if [ "$x" = "$fname" ]; then
@@ -119,6 +115,13 @@ hook() {
 			fi
 			;;
 		application/x-sharedlib*|application/x-pie-executable*)
+			local type="$(file -b "$f")"
+			if [[ $type =~ "no machine" ]]; then
+				# using ELF as a container format (e.g. guile)
+				echo "   Ignoring ELF file without machine set: ${f#$PKGDESTDIR}"
+				continue
+			fi
+
 			chmod +w "$f"
 			# shared library
 			make_debug "$f"
@@ -127,7 +130,7 @@ hook() {
 				msg_red "$pkgver: failed to strip ${f#$PKGDESTDIR}\n"
 				return 1
 			fi
-			if [[ $(file $f) =~ "interpreter " ]]; then
+			if [[ type =~ "interpreter " ]]; then
 				echo "   Stripped position-independent executable: ${f#$PKGDESTDIR}"
 			else
 				echo "   Stripped library: ${f#$PKGDESTDIR}"