From c8bae7493d2f2910b57f13ded012e86bdcfb0532 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 16:47:53 +0200
Subject: Adding upstream version 1:2.39.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 t/t1509/prepare-chroot.sh | 58 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100755 t/t1509/prepare-chroot.sh

(limited to 't/t1509/prepare-chroot.sh')

diff --git a/t/t1509/prepare-chroot.sh b/t/t1509/prepare-chroot.sh
new file mode 100755
index 0000000..6d47e2c
--- /dev/null
+++ b/t/t1509/prepare-chroot.sh
@@ -0,0 +1,58 @@
+#!/bin/sh
+
+die() {
+	echo >&2 "$@"
+	exit 1
+}
+
+xmkdir() {
+	while [ -n "$1" ]; do
+		[ -d "$1" ] || mkdir "$1" || die "Unable to mkdir $1"
+		shift
+	done
+}
+
+R="$1"
+
+[ "$(id -u)" -eq 0 ] && die "This script should not be run as root, what if it does rm -rf /?"
+[ -n "$R" ] || die "usage: prepare-chroot.sh <root>"
+[ -x git ] || die "This script needs to be executed at git source code's top directory"
+if [ -x /bin/busybox ]; then
+	BB=/bin/busybox
+elif [ -x /usr/bin/busybox ]; then
+	BB=/usr/bin/busybox
+else
+	die "You need busybox"
+fi
+
+xmkdir "$R" "$R/bin" "$R/etc" "$R/lib" "$R/dev"
+touch "$R/dev/null"
+echo "root:x:0:0:root:/:/bin/sh" > "$R/etc/passwd"
+echo "$(id -nu):x:$(id -u):$(id -g)::$(pwd)/t:/bin/sh" >> "$R/etc/passwd"
+echo "root::0:root" > "$R/etc/group"
+echo "$(id -ng)::$(id -g):$(id -nu)" >> "$R/etc/group"
+
+[ -x "$R$BB" ] || cp $BB "$R/bin/busybox"
+for cmd in sh su ls expr tr basename rm mkdir mv id uname dirname cat true sed diff; do
+	ln -f -s /bin/busybox "$R/bin/$cmd"
+done
+
+mkdir -p "$R$(pwd)"
+rsync --exclude-from t/t1509/excludes -Ha . "$R$(pwd)"
+# Fake perl to reduce dependency, t1509 does not use perl, but some
+# env might slip through, see test-lib.sh, unset.*PERL_PATH
+sed 's|^PERL_PATH=.*|PERL_PATH=/bin/true|' GIT-BUILD-OPTIONS > "$R$(pwd)/GIT-BUILD-OPTIONS"
+for cmd in git $BB;do 
+	ldd $cmd | grep '/' | sed 's,.*\s\(/[^ ]*\).*,\1,' | while read i; do
+		mkdir -p "$R$(dirname $i)"
+		cp "$i" "$R/$i"
+	done
+done
+cat <<EOF
+All is set up in $R, execute t1509 with the following commands:
+
+sudo chroot $R /bin/su - $(id -nu)
+IKNOWWHATIAMDOING=YES ./t1509-root-worktree.sh -v -i
+
+When you are done, simply delete $R to clean up
+EOF
-- 
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