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Make enter_chroot not be chatty unless you use --verbose

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Change-Id: I352ae16a248483da35575b5d74889b3d2e6683cc

BUG=chromium-os:11672
TEST=Ran manually.

Review URL: http://codereview.chromium.org/6250170
This commit is contained in:
Don Garrett 2011-02-04 14:59:56 -08:00
parent ca9b334e8e
commit ad3f059401
1 changed files with 20 additions and 12 deletions
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32
enter_chroot.sh
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@ -51,6 +51,7 @@ DEFINE_boolean official_build $FLAGS_FALSE \
DEFINE_boolean mount $FLAGS_FALSE "Only set up mounts." DEFINE_boolean mount $FLAGS_FALSE "Only set up mounts."
DEFINE_boolean unmount $FLAGS_FALSE "Only tear down mounts." DEFINE_boolean unmount $FLAGS_FALSE "Only tear down mounts."
DEFINE_boolean ssh_agent $FLAGS_TRUE "Import ssh agent." DEFINE_boolean ssh_agent $FLAGS_TRUE "Import ssh agent."
DEFINE_boolean verbose $FLAGS_FALSE "Print out actions taken"
# More useful help # More useful help
FLAGS_HELP="USAGE: $0 [flags] [VAR=value] [-- command [arg1] [arg2] ...] FLAGS_HELP="USAGE: $0 [flags] [VAR=value] [-- command [arg1] [arg2] ...]
@ -69,6 +70,13 @@ the command nor args should include single quotes. For example:
Otherwise, provides an interactive shell. Otherwise, provides an interactive shell.
" "
# Version of info from common.sh that only echos if --verbose is set.
function v_info {
if [ $FLAGS_verbose -eq $FLAGS_TRUE ]; then
info "$1"
fi
}
# Double up on the first '--' argument. Why? For enter_chroot, we want to # Double up on the first '--' argument. Why? For enter_chroot, we want to
# emulate the behavior of sudo for setting environment vars. That is, we want: # emulate the behavior of sudo for setting environment vars. That is, we want:
# ./enter_chroot [flags] [VAR=val] [-- command] # ./enter_chroot [flags] [VAR=val] [-- command]
@ -134,7 +142,7 @@ function setup_env {
flock 200 flock 200
echo $$ >> "$LOCKFILE" echo $$ >> "$LOCKFILE"
info "Mounting chroot environment." v_info "Mounting chroot environment."
# Mount only if not already mounted # Mount only if not already mounted
MOUNTED_PATH="$(readlink -f "$FLAGS_chroot/proc")" MOUNTED_PATH="$(readlink -f "$FLAGS_chroot/proc")"
@ -188,10 +196,10 @@ function setup_env {
2>/dev/null)" 2>/dev/null)"
fi fi
if [[ ( -z "$CHROME_ROOT" ) || ( ! -d "${CHROME_ROOT}/src" ) ]]; then if [[ ( -z "$CHROME_ROOT" ) || ( ! -d "${CHROME_ROOT}/src" ) ]]; then
info "Not mounting chrome source" v_info "Not mounting chrome source"
sudo rm -f "${FLAGS_chroot}${CHROME_ROOT_CONFIG}" sudo rm -f "${FLAGS_chroot}${CHROME_ROOT_CONFIG}"
else else
info "Mounting chrome source at: $INNER_CHROME_ROOT" v_info "Mounting chrome source at: $INNER_CHROME_ROOT"
echo "$CHROME_ROOT" | \ echo "$CHROME_ROOT" | \
sudo dd of="${FLAGS_chroot}${CHROME_ROOT_CONFIG}" sudo dd of="${FLAGS_chroot}${CHROME_ROOT_CONFIG}"
mkdir -p "$MOUNTED_PATH" mkdir -p "$MOUNTED_PATH"
@ -203,7 +211,7 @@ function setup_env {
MOUNTED_PATH="$(readlink -f "${FLAGS_chroot}${INNER_DEPOT_TOOLS_ROOT}")" MOUNTED_PATH="$(readlink -f "${FLAGS_chroot}${INNER_DEPOT_TOOLS_ROOT}")"
if [ -z "$(mount | grep -F "on $MOUNTED_PATH ")" ]; then if [ -z "$(mount | grep -F "on $MOUNTED_PATH ")" ]; then
if [ $(which gclient 2>/dev/null) ]; then if [ $(which gclient 2>/dev/null) ]; then
info "Mounting depot_tools" v_info "Mounting depot_tools"
DEPOT_TOOLS=$(dirname "$(which gclient)") DEPOT_TOOLS=$(dirname "$(which gclient)")
mkdir -p "$MOUNTED_PATH" mkdir -p "$MOUNTED_PATH"
if ! sudo mount --bind "$DEPOT_TOOLS" "$MOUNTED_PATH"; then if ! sudo mount --bind "$DEPOT_TOOLS" "$MOUNTED_PATH"; then
@ -273,11 +281,11 @@ function teardown_env {
fi fi
if [ -s "$LOCKFILE" ]; then if [ -s "$LOCKFILE" ]; then
info "At least one other pid is running in the chroot, so not" v_info "At least one other pid is running in the chroot, so not"
info "tearing down env." v_info "tearing down env."
else else
MOUNTED_PATH=$(readlink -f "$FLAGS_chroot") MOUNTED_PATH=$(readlink -f "$FLAGS_chroot")
info "Unmounting chroot environment." v_info "Unmounting chroot environment."
# sort the list of mounts in reverse order, to ensure umount of # sort the list of mounts in reverse order, to ensure umount of
# cascading mounts in proper order # cascading mounts in proper order
for i in \ for i in \
@ -290,10 +298,10 @@ function teardown_env {
if [ $FLAGS_mount -eq $FLAGS_TRUE ]; then if [ $FLAGS_mount -eq $FLAGS_TRUE ]; then
setup_env setup_env
info "Make sure you run" v_info "Make sure you run"
info " $0 --unmount" v_info " $0 --unmount"
info "before deleting $FLAGS_chroot" v_info "before deleting $FLAGS_chroot"
info "or you'll end up deleting $FLAGS_trunk too!" v_info "or you'll end up deleting $FLAGS_trunk too!"
exit 0 exit 0
fi fi
@ -333,7 +341,7 @@ CHROMEOS_VERSION_TRACK=$CHROMEOS_VERSION_TRACK CHROMEOS_VERSION_AUSERVER=$CHROME
if [ -d "$HOME/.subversion" ]; then if [ -d "$HOME/.subversion" ]; then
# Bind mounting .subversion into chroot # Bind mounting .subversion into chroot
info "mounting ~/.subversion into chroot" v_info "mounting ~/.subversion into chroot"
MOUNTED_PATH="$(readlink -f "${FLAGS_chroot}/home/${USER}/.subversion")" MOUNTED_PATH="$(readlink -f "${FLAGS_chroot}/home/${USER}/.subversion")"
if [ -z "$(mount | grep -F "on $MOUNTED_PATH ")" ]; then if [ -z "$(mount | grep -F "on $MOUNTED_PATH ")" ]; then
mkdir -p "$MOUNTED_PATH" mkdir -p "$MOUNTED_PATH"