edsp: use a limited scenario based on bool-array

[apt.git] / cmdline / apt-key.in

diff --git a/cmdline/apt-key.in b/cmdline/apt-key.in
index cfd4be35d3e6062860e6fbcd150877d00c7bce0f..b309142cf8471f71b56f83d29f691ffe67889517 100644 (file)
--- a/cmdline/apt-key.in
+++ b/cmdline/apt-key.in
@@ -193,7 +193,7 @@ remove_key_from_keyring() {
        get_fingerprints_of_keyring "$KEYRINGFILE" > "$FINGERPRINTS"
 
         # strip leading 0x, if present:
-        KEY="$(printf %s "$KEY" | sed s/^0x//)"
+        KEY="${KEY#0x}"
 
        # check if the key is in this keyring
        if ! grep -iq "^[0-9A-F]*${KEY}$" "$FINGERPRINTS"; then
@@ -493,8 +493,21 @@ create_gpg_home() {
 }
 
 prepare_gpg_home() {
+    # crude detection if we are called from a maintainerscript where the
+    # package depends on gnupg or not. We accept recommends here as
+    # well as the script hopefully uses apt-key optionally then like e.g.
+    # debian-archive-keyring for (upgrade) cleanup did
+    if [ -n "$DPKG_MAINTSCRIPT_PACKAGE" ]; then
+       if ! dpkg-query --show --showformat '${Pre-Depends}${Depends}${Recommends}\n' "$DPKG_MAINTSCRIPT_PACKAGE" 2>/dev/null | grep -q gnupg; then
+           cat >&2 <<EOF
+Warning: The $DPKG_MAINTSCRIPT_NAME maintainerscript of the package $DPKG_MAINTSCRIPT_PACKAGE
+Warning: seems to use apt-key (provided by apt) without depending on gnupg or gnupg2.
+Warning: This will BREAK in the future and should be fixed by the package maintainer(s).
+Note: Check first if apt-key functionality is needed at all - it probably isn't!
+EOF
+       fi
+    fi
     eval "$(apt-config shell GPG_EXE Apt::Key::gpgcommand)"
-
     if [ -n "$GPG_EXE" ] && command_available "$GPG_EXE"; then
        true
     elif command_available 'gpg'; then