Change in ...coreboot[master]: util/chromeos/crosfirmware.sh: Check for dependencies

[Tristan Corrick (Code Review)]

Tristan Corrick has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/30549

Change subject: util/chromeos/crosfirmware.sh: Check for dependencies
......................................................................

util/chromeos/crosfirmware.sh: Check for dependencies

crosfirmware.sh has dependencies that might not be installed on some
systems. If a dependency is missing, provide a clear message about the
issue and how to resolve it.

Change-Id: I265bd03666f1273d3c22b60aae860c48c758005b
Signed-off-by: Tristan Corrick 
---
M util/chromeos/crosfirmware.sh
1 file changed, 24 insertions(+), 3 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/49/30549/1

diff --git a/util/chromeos/crosfirmware.sh b/util/chromeos/crosfirmware.sh
index 7cd9af9..567d58e 100755
--- a/util/chromeos/crosfirmware.sh
+++ b/util/chromeos/crosfirmware.sh
@@ -14,9 +14,6 @@
 # GNU General Public License for more details.
 #

-# This script needs
-# * sharutils
-
 #DEBUG=1

export PATH="$PATH:/sbin"
@@ -26,6 +23,28 @@
    test "$DEBUG" == "1" && echo "$*"
 }

+exit_if_uninstalled() {
+	local cmd_name="$1"
+	local deb_pkg_name="$2"
+
+	if type "$cmd_name" >/dev/null 2>&1; then
+		return
+	fi
+
+	printf '`%s` was not found. ' "$cmd_name" >&2
+	printf 'On Debian-based systems, it can be installed\n' >&2
+	printf 'by running `apt install %s`.\n' "$deb_pkg_name" >&2
+
+	exit 1
+}
+
+exit_if_dependencies_are_missing() {
+	exit_if_uninstalled "uudecode" "sharutils"
+	exit_if_uninstalled "debugfs" "e2fsprogs"
+	exit_if_uninstalled "parted" "parted"
+	exit_if_uninstalled "curl" "curl"
+}
+
 get_inventory()
 {
    _conf=$1
@@ -112,6 +131,8 @@

BOARD=$1

+exit_if_dependencies_are_missing
+
 if [ "$BOARD" == "all" ]; then
    CONF=$( mktemp )
    get_inventory $CONF