add list subcommand

3 files changed, 22 insertions, 5 deletions

diff --git a/.SRCINFO b/.SRCINFO
index 12ce80f014c0..2c29cde64660 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = linux-preserve-modules
 	pkgdesc = a pacman hook that preserves linux kernel modules until reboot
-	pkgver = 1.2.0
+	pkgver = 1.3.0
 	pkgrel = 1
 	url = https://aur.archlinux.org/packages/linux-preserve-modules
 	arch = any
@@ -10,6 +10,6 @@ pkgbase = linux-preserve-modules
 	source = linux-preserve-modules
 	sha256sums = 666c8f92f798a006b83740afae4dc832e4d38209eb866b2019cb32b8798bfdbf
 	sha256sums = 206fb01f2740fc6359fea93f2280b43e18613a15b629f94581eb1f9f4e53e1d6
-	sha256sums = 6a4ea823aa6020252fdf648792745a731e43a93fd293a663d162ebcf5da3ca5d
+	sha256sums = a889adb3de2eb086348466ca198195aa6f00f0aee97510a157cde51c08e29123
 
 pkgname = linux-preserve-modules
diff --git a/PKGBUILD b/PKGBUILD
index 764e33fa2b7a..5958529048aa 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,7 +1,7 @@
 # Maintainer: Ferdinand B <theferdi265@gmail.com>
 
 pkgname=linux-preserve-modules
-pkgver=1.2.0
+pkgver=1.3.0
 pkgrel=1
 pkgdesc="a pacman hook that preserves linux kernel modules until reboot"
 url="https://aur.archlinux.org/packages/linux-preserve-modules"
@@ -13,7 +13,7 @@ source=(linux-preserve-modules.hook
         linux-preserve-modules)
 sha256sums=('666c8f92f798a006b83740afae4dc832e4d38209eb866b2019cb32b8798bfdbf'
             '206fb01f2740fc6359fea93f2280b43e18613a15b629f94581eb1f9f4e53e1d6'
-            '6a4ea823aa6020252fdf648792745a731e43a93fd293a663d162ebcf5da3ca5d')
+            'a889adb3de2eb086348466ca198195aa6f00f0aee97510a157cde51c08e29123')
 
 package() {
     install -Dm644 "$srcdir/linux-preserve-modules.hook" "$pkgdir/usr/share/libalpm/hooks/10-linux-preserve-modules.hook"
diff --git a/linux-preserve-modules b/linux-preserve-modules
index a0dae5ebea08..3727499fad64 100755
--- a/linux-preserve-modules
+++ b/linux-preserve-modules
@@ -156,8 +156,24 @@ preserve-modules-unlink-all() {
     exit 0
 }
 
+preserve-modules-list() {
+    if [[ $# -gt 0 ]]; then
+        echo "usage: linux-preserve-modules list" >&2
+        exit 1
+    fi
+
+    # find kernels with .preserved marker file
+    LINKED_KERNELS=( $(find /usr/lib/modules -maxdepth 2 -type f -name .preserved | cut -d/ -f5) )
+    echo "info: found ${#LINKED_KERNELS[@]} kernels with linked modules" >&2
+
+    # list kernels
+    echo "${LINKED_KERNELS[@]}"
+
+    exit 0
+}
+
 usage() {
-    echo "usage: linux-preserve-modules <copy|link|unlink|unlink-all> [release]" >&2
+    echo "usage: linux-preserve-modules <copy|link|unlink|unlink-all|list> [release]" >&2
     exit 1
 }
 
@@ -180,6 +196,7 @@ main() {
         link) preserve-modules-link "$@";;
         unlink) preserve-modules-unlink "$@";;
         unlink-all) preserve-modules-unlink-all "$@";;
+        list) preserve-modules-list "$@";;
         *) usage;;
     esac
 }