tAdd maintenance info to the readme. - devuan-keyring - Devuan keyring package
 (HTM) git clone https://git.parazyd.org/devuan-keyring
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 (DIR) README
       ---
 (DIR) commit b74bf64ed1810e3c075fdda62c584ba37fa19fed
 (DIR) parent adebf96379a5e9595b6ec90cd35711c6f7b41d96
 (HTM) Author: parazyd <parazyd@dyne.org>
       Date:   Mon,  9 Nov 2020 23:04:39 +0100
       
       Add maintenance info to the readme.
       
       Diffstat:
         M README.md                           |      27 ++++++++++++++++++++++++++-
       
       1 file changed, 26 insertions(+), 1 deletion(-)
       ---
 (DIR) diff --git a/README.md b/README.md
       t@@ -1,4 +1,29 @@
        devuan-keyring
        ==============
        
       -signing public keyring for devuan packages
       +Public keyring for Devuan packages and the Devuan Archive.
       +
       +
       +Maintenance
       +-----------
       +
       +### Adding a key
       +
       +```
       +$ gpg --no-default-keyring --keyring=${keyring}.gpg --import < /path/to/key
       +```
       +
       +### Removing a key
       +
       +```
       +$ gpg --no-default-keyring --keyring=${keyring-valid}.gpg --export $keyid \
       +        | gpg --no-default-keyring --keyring=${keyring-removed-keys}.gpg --import
       +$ gpg --no-default-keyring --keyring=${keyring-valid}.gpg \
       +        --delete-key $keyid
       +```
       +
       +### Generating SHA512SUMS.txt.asc
       +
       +```
       +$ sha512sum keyrings/*.gpg | gpg --clearsign > SHA512SUMS.txt.asc
       +```