Initial commit

4 files changed, 107 insertions, 0 deletions

diff --git a/.SRCINFO b/.SRCINFO
new file mode 100644
index 000000000000..c9dde7d5678a
--- /dev/null
+++ b/.SRCINFO
@@ -0,0 +1,14 @@
+pkgbase = remove-orphaned-kernels
+	pkgdesc = pacman -Rs orphaned kernel and driver packages, excluding currently-running.
+	pkgver = 1.0
+	pkgrel = 1
+	url = https://aur.archlinux.org/packages/remove-orphaned-kernels/
+	arch = any
+	license = GPL
+	depends = python
+	depends = sudo
+	source = remove-orphaned-kernels
+	sha256sums = a6939f973aa8013944354db38d4b42e0bcf69673fbabbc804af9842d27101649
+
+pkgname = remove-orphaned-kernels
+
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 000000000000..e72c9f355319
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+pkg
+src
+*.pkg.*
\ No newline at end of file
diff --git a/PKGBUILD b/PKGBUILD
new file mode 100644
index 000000000000..fb5d1a369546
--- /dev/null
+++ b/PKGBUILD
@@ -0,0 +1,16 @@
+# Maintainer: Chris Billington <chrisjbillington@gmail.com>
+pkgname=remove-orphaned-kernels
+pkgver=1.0
+pkgrel=1
+pkgdesc="pacman -Rs orphaned kernel and driver packages, excluding currently-running."
+arch=('any')
+url="https://aur.archlinux.org/packages/${pkgname}/"
+license=('GPL')
+depends=('python' 'sudo')
+source=("${pkgname}")
+sha256sums=('a6939f973aa8013944354db38d4b42e0bcf69673fbabbc804af9842d27101649')
+
+package() {
+  install -m755 -d "${pkgdir}/usr/bin/"
+  install -m755 "${srcdir}/${pkgname}" "${pkgdir}/usr/bin/${pkgname}"
+}
\ No newline at end of file
diff --git a/remove-orphaned-kernels b/remove-orphaned-kernels
new file mode 100755
index 000000000000..9e257f2cba38
--- /dev/null
+++ b/remove-orphaned-kernels
@@ -0,0 +1,74 @@
+#! /usr/bin/python
+from subprocess import run
+import sys
+import os
+
+MODULES = '/usr/lib/modules'
+
+
+def get_output(*cmd):
+    return run(cmd, capture_output=True).stdout.decode('utf8').strip()
+
+
+def yn_choice(message, default='y'):
+    try:
+        choices = 'Y/n' if default.lower() in ('y', 'yes') else 'y/N'
+        choice = input("%s\n(%s): " % (message, choices))
+        values = ('y', 'yes', '') if default == 'y' else ('y', 'yes')
+        return choice.strip().lower() in values
+    except (KeyboardInterrupt, EOFError):
+        sys.exit(1)
+
+
+running_kernel = get_output('uname', '-r')
+running_pkgs = get_output('pacman', '-Qoq', f'{MODULES}/{running_kernel}')
+all_kernels = [f'{MODULES}/{k}' for k in os.listdir(MODULES)]
+all_pkgs = get_output('pacman', '-Qoq', *all_kernels).split()
+orphaned_packages = get_output('pacman', '-Qdtq', *all_pkgs).split()
+
+non_orphaned = []
+orphaned_not_running = []
+orphaned_running = []
+
+for pkg in sorted(all_pkgs):
+    orphaned = pkg in orphaned_packages
+    running = pkg in running_pkgs
+
+    if orphaned and not running:
+        orphaned_not_running.append(pkg)
+    elif orphaned:
+        orphaned_running.append(pkg)
+    else:
+        non_orphaned.append(pkg)
+
+if non_orphaned:
+    print(
+        "The following required or explicitly-installed kernel packages will be kept:"
+    )
+    for pkg in non_orphaned:
+        print('    ', pkg)
+
+    print()
+
+if orphaned_running:
+    print(
+        "The following orphaned packages for the currently running kernel will be kept:"
+    )
+    for pkg in orphaned_running:
+        print('    ', pkg)
+
+    print()
+
+if orphaned_not_running:
+    print("The following orphaned kernel packages will be removed:")
+    for pkg in orphaned_not_running:
+        print('    ', pkg)
+
+    print()
+
+if not orphaned_not_running:
+    print("Nothing to do")
+    sys.exit(0)
+
+if yn_choice("Continue?"):
+    sys.exit(run(['sudo', 'pacman', '-Rs'] + orphaned_not_running).returncode)