From: Daan De Meyer <daan.j.demeyer@gmail.com>
Date: Thu, 21 Apr 2022 12:47:23 +0000 (+0200)
Subject: kernel-install: Skip execution if $KERNEL_INSTALL_BYPASS=1
X-Git-Tag: v251-rc2~79
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a2a9d541087d32cc8fc95f80169e962ec785b87e;p=thirdparty%2Fsystemd.git

kernel-install: Skip execution if $KERNEL_INSTALL_BYPASS=1
---

diff --git a/docs/ENVIRONMENT.md b/docs/ENVIRONMENT.md
index 5f02f888a5e..257874d95c0 100644
--- a/docs/ENVIRONMENT.md
+++ b/docs/ENVIRONMENT.md
@@ -441,3 +441,10 @@ SYSTEMD_HOME_DEBUG_SUFFIX=foo \
   use for LUKS home directories, overriding the built-in default mount
   options. There's one variable for each of the supported file systems for the
   LUKS home directory backend.
+
+`kernel-install`:
+
+* `$KERNEL_INSTALL_BYPASS` – If set to "1", execution of kernel-install is skipped
+  when kernel-install is invoked. This can be useful if kernel-install is invoked
+  unconditionally as a child process by another tool, such as package managers
+  running kernel-install in a postinstall script.
diff --git a/src/kernel-install/kernel-install.in b/src/kernel-install/kernel-install.in
index f6d262f5226..293ed044d16 100755
--- a/src/kernel-install/kernel-install.in
+++ b/src/kernel-install/kernel-install.in
@@ -67,6 +67,11 @@ for i; do
     fi
 done
 
+if [ "$KERNEL_INSTALL_BYPASS" = "1" ]; then
+    echo "kernel-install: Skipping execution because KERNEL_INSTALL_BYPASS=1"
+    exit 0
+fi
+
 export KERNEL_INSTALL_VERBOSE=0
 if [ "$1" = "--verbose" ] || [ "$1" = "-v" ]; then
     shift