t1509: update prepare script to be able to run t1509 in chroot again

Tested on Gentoo and OpenSUSE 13.1, both x86-64 Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Nguyễn Thái Ngọc Duy committed Apr 18, 2015 at 18:22 UTC 64f2589a094c30be17d980434d1c33c03ac585c7
1 file changed +29 -9
t/t1509/prepare-chroot.sh
+29 -9
@@ -14,25 +14,45 @@ xmkdir() {
14
15 R="$1"
16
17 +[ "$(id -u)" -eq 0 ] && die "This script should not be run as root, what if it does rm -rf /?"
18 [ -n "$R" ] || die "usage: prepare-chroot.sh <root>"
19 [ -x git ] || die "This script needs to be executed at git source code's top directory"
19 -[ -x /bin/busybox ] || die "You need busybox"
20 +if [ -x /bin/busybox ]; then
21 + BB=/bin/busybox
22 +elif [ -x /usr/bin/busybox ]; then
23 + BB=/usr/bin/busybox
24 +else
25 + die "You need busybox"
26 +fi
27
28 xmkdir "$R" "$R/bin" "$R/etc" "$R/lib" "$R/dev"
22 -[ -c "$R/dev/null" ] || die "/dev/null is missing. Do mknod $R/dev/null c 1 3 && chmod 666 $R/dev/null"
29 +touch "$R/dev/null"
30 echo "root:x:0:0:root:/:/bin/sh" > "$R/etc/passwd"
31 echo "$(id -nu):x:$(id -u):$(id -g)::$(pwd)/t:/bin/sh" >> "$R/etc/passwd"
32 echo "root::0:root" > "$R/etc/group"
33 echo "$(id -ng)::$(id -g):$(id -nu)" >> "$R/etc/group"
34
28 -[ -x "$R/bin/busybox" ] || cp /bin/busybox "$R/bin/busybox"
29 -[ -x "$R/bin/sh" ] || ln -s /bin/busybox "$R/bin/sh"
30 -[ -x "$R/bin/su" ] || ln -s /bin/busybox "$R/bin/su"
35 +[ -x "$R$BB" ] || cp $BB "$R/bin/busybox"
36 +for cmd in sh su ls expr tr basename rm mkdir mv id uname dirname cat true sed diff; do
37 + ln -f -s /bin/busybox "$R/bin/$cmd"
38 +done
39
40 mkdir -p "$R$(pwd)"
41 rsync --exclude-from t/t1509/excludes -Ha . "$R$(pwd)"
34 -ldd git | grep '/' | sed 's,.*\s\(/[^ ]*\).*,\1,' | while read i; do
35 - mkdir -p "$R$(dirname $i)"
36 - cp "$i" "$R/$i"
42 +# Fake perl to reduce dependency, t1509 does not use perl, but some
43 +# env might slip through, see test-lib.sh, unset.*PERL_PATH
44 +sed 's|^PERL_PATH=.*|PERL_PATH=/bin/true|' GIT-BUILD-OPTIONS > "$R$(pwd)/GIT-BUILD-OPTIONS"
45 +for cmd in git $BB;do
46 + ldd $cmd | grep '/' | sed 's,.*\s\(/[^ ]*\).*,\1,' | while read i; do
47 + mkdir -p "$R$(dirname $i)"
48 + cp "$i" "$R/$i"
49 + done
50 done
38 -echo "Execute this in root: 'chroot $R /bin/su - $(id -nu)'"
51 +cat <<EOF
52 +All is set up in $R, execute t1509 with the following commands:
53 +
54 +sudo chroot $R /bin/su - $(id -nu)
55 +IKNOWWHATIAMDOING=YES ./t1509-root-worktree.sh -v -i
56 +
57 +When you are done, simply delete $R to clean up
58 +EOF