scrub-for-gpg-keys: add command line switches to disable key sources

1 files changed, 111 insertions, 52 deletions

diff --git a/scrub-for-gpg-keys b/scrub-for-gpg-keys
index 703078c..d4d6f69 100755
--- a/scrub-for-gpg-keys
+++ b/scrub-for-gpg-keys
@@ -1,54 +1,110 @@
 #!/bin/bash
 
-parabola_keyring_version=$(
-  curl -Ss 'https://repo.parabola.nu/other/parabola-keyring/' \
-  | sed '
-    s@^.*<a href="parabola-keyring-\([0-9.]\+\)\.tar\.gz">.*$@\1@
-    t
-    d
-  ' \
-  | sort -V \
-  | tail -n1
-)
-parabola_keyring="https://repo.parabola.nu/other/parabola-keyring/parabola-keyring-${parabola_keyring_version}.tar.gz"
+archlinux=true
+archlinux_arm=true
+archlinux_git=true
+local=false
+parabola=true
+wishlist=true
 
-archlinuxarm_keyring=$(
-  curl -Ss 'https://arch.eckner.net/archlinuxarm/arm/core/' \
-  | sed '
-    s@^.*<a href="archlinuxarm-keyring-\([0-9.]\+-[0-9]\+\)-any\.pkg\.tar\.xz">.*$@\1@
-    t
-    d
-  ' \
-  | sort -V \
-  | tail -n1 \
-  | sed '
-    s@^.*$@https://arch.eckner.net/archlinuxarm/arm/core/archlinuxarm-keyring-\0-any.pkg.tar.xz@
-  '
-)
+while [ $# -gt 0 ]; do
 
-{
-  {
-    find \
-      /usr/src/archlinux/{packages,community}/ \
-      /usr/src/archlinux32/packages/ \
-      ~/eigeneSkripte/archPackages/ \
-      -type f -name PKGBUILD \
-      -exec sed -n '
-        /^\s*validpgpkeys=.*)/p
-        /^\s*validpgpkeys=[^)]\+$/,/)/p
-      ' {} + 2>/dev/null \
+  case "x$1" in
+    'x-l')
+      local=true
+    ;;
+    'x--no-archlinux')
+      archlinux=false
+    ;;
+    'x--no-archlinux-arm')
+      archlinux_arm=false
+    ;;
+    'x--no-archlinux-git')
+      archlinux_git=false
+    ;;
+    'x--no-parabola')
+      parabola=false
+    ;;
+    'x--no-wishlist')
+      wishlist=false
+    ;;
+    *)
+      >&2 printf 'unknown parameter %s\n' "$1"
+      >&2 printf 'known parameters:\n'
+      >&2 printf '  -%s  %s\n' \
+        'l' 'update local keyring'
+      >&2 printf '  --no-%s\n    do not update keys from/mentioned in\n    %s\n' \
+        'archlinux' 'locally running archlinux keyring' \
+        'archlinux-arm' 'archlinuxarm keyring package' \
+        'archlinux-git' 'archlinux sources (PKGBUILDs) git repository' \
+        'parabola' 'parabola keyring package sources' \
+        'wishlist' 'our keyserver'"'"'s wishlist'
+      exit 1
+    ;;
+  esac
+  shift
+
+done
+
+if ${parabola}; then
+  parabola_keyring_version=$(
+    curl -Ss 'https://repo.parabola.nu/other/parabola-keyring/' \
+    | sed '
+      s@^.*<a href="parabola-keyring-\([0-9.]\+\)\.tar\.gz">.*$@\1@
+      t
+      d
+    ' \
+    | sort -V \
+    | tail -n1
+  )
+  parabola_keyring="https://repo.parabola.nu/other/parabola-keyring/parabola-keyring-${parabola_keyring_version}.tar.gz"
+fi
+
+if ${archlinux_arm}; then
+  archlinuxarm_keyring=$(
+    curl -Ss 'https://arch.eckner.net/archlinuxarm/arm/core/' \
     | sed '
-      s/#.*$//
-      s/^\s*validpgpkeys=(//
-      s/).*$//
+      s@^.*<a href="archlinuxarm-keyring-\([0-9.]\+-[0-9]\+\)-any\.pkg\.tar\.xz">.*$@\1@
+      t
+      d
     ' \
-    | tr -d '" \t'"'"
+    | sort -V \
+    | tail -n1 \
+    | sed '
+      s@^.*$@https://arch.eckner.net/archlinuxarm/arm/core/archlinuxarm-keyring-\0-any.pkg.tar.xz@
+    '
+  )
+fi
+
+{
+  {
+    if ${archlinux_git}; then
+      find \
+        /usr/src/archlinux/{packages,community}/ \
+        /usr/src/archlinux32/packages/ \
+        ~/eigeneSkripte/archPackages/ \
+        -type f -name PKGBUILD \
+        -exec sed -n '
+          /^\s*validpgpkeys=.*)/p
+          /^\s*validpgpkeys=[^)]\+$/,/)/p
+        ' {} + 2>/dev/null \
+      | sed '
+        s/#.*$//
+        s/^\s*validpgpkeys=(//
+        s/).*$//
+      ' \
+      | tr -d '" \t'"'"
+    fi
     curl -Ss 'https://archlinux32.org/key-wishlist'
     {
-      curl -Ss "${archlinuxarm_keyring}" \
-      | bsdtar -Oxf - usr/share/pacman/keyrings/archlinuxarm-{trusted,revoked}
-      curl -Ss "${parabola_keyring}" \
-      | bsdtar -Oxf - parabola-keyring-${parabola_keyring_version}/parabola-{trusted,revoked}
+      if ${archlinux_arm}; then
+        curl -Ss "${archlinuxarm_keyring}" \
+        | bsdtar -Oxf - usr/share/pacman/keyrings/archlinuxarm-{trusted,revoked}
+      fi
+      if ${parabola}; then
+        curl -Ss "${parabola_keyring}" \
+        | bsdtar -Oxf - parabola-keyring-${parabola_keyring_version}/parabola-{trusted,revoked}
+      fi
     } \
     | cut -d: -f1
   } \
@@ -66,17 +122,20 @@ archlinuxarm_keyring=$(
     fi
     printf '%s\n' "${key}"
   done
-  gpg --homedir /etc/pacman.d/gnupg -a --export
-  curl -Ss "${archlinuxarm_keyring}" \
-  | bsdtar -Oxf - usr/share/pacman/keyrings/archlinuxarm.gpg
-  curl -Ss "${parabola_keyring}" \
-  | bsdtar -Oxf - parabola-keyring-${parabola_keyring_version}/parabola.gpg
+  if ${archlinux}; then
+    gpg --homedir /etc/pacman.d/gnupg -a --export
+  fi
+  if ${archlinux_arm}; then
+    curl -Ss "${archlinuxarm_keyring}" \
+    | bsdtar -Oxf - usr/share/pacman/keyrings/archlinuxarm.gpg
+  fi
+  if ${parabola}; then
+    curl -Ss "${parabola_keyring}" \
+    | bsdtar -Oxf - parabola-keyring-${parabola_keyring_version}/parabola.gpg
+  fi
 } \
-| if [ "x$1" = 'x-l' ]; then
+| if ${local}; then
   sudo su http -s /bin/bash -c 'gpg --import'
-elif [ $# -ne 0 ]; then
-  >&2 echo 'only valid parameter is "-l"'
-  exit 1
 else
   ssh archlinux32 "sudo su http -s /bin/bash -c 'gpg --import'"
 fi