| #!/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 | sed -n '/\//s,.*\s\(/[^ ]*\).*,\1,p' | 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 |