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+EndoForge
+---------
+Convert a Git repository into a Forge by merging this repository.
+
+
+
+
+
+
+WHAT IT DOES
+------------
+
+This repository contains the code to share itself (the repository)
+through Git-over-SSH.
+
+It also contains the code to listen for changes sent to itself through
+Git-over-SSH.
+
+
+
+
+
+
+HOW IT WORKS
+------------
+
+Git contains a program `git-receive-pack` which implements a git
+protocol server. The `git-receive-pack` expects to be launched as an SSH
+server "ForcedCommand" in a configuration that protects the server from
+untrustworthy users.
+
+Normally, the SSH server only permits users who have already uploaded
+their public keys to the server. It assumes that access should be closed
+to new users.
+
+Installing this code reverses that assumption, granting open access to
+unrecognized users. This is made safe by limiting write access to a
+GIT_NAMESPACE over which the user proves global mathematical ownership with
+their SSH client key. This means that the user cannot overwrite anyone else's
+data.
+
+The user's uploaded data is still saved and is ready to be be merged into the
+main repository manually, or even automatically.
+
+
+
+
+
+HOW TO INSTALL
+--------------
+
+Run:
+```
+  make install
+```
+
+This installs the `AnonymousAccessCommand` in the current user's home
+directory.
+
+Then, if sudo access is available, it enables anonymous access by
+editing the system `OpenSSH` configuration.
+
+
+
+
+
+
+NON-ROOT INSTALLATION
+---------------------
+
+If sudo access is not available, you can install to a different
+location:
+
+```
+  make SSH_CONFIG_DIR=.config/ssh \
+       SSHD_CONFIG_DIR=.config/ssh/config.d \
+       SSH_LIB_DIR=.local/lib/ssh \
+       install
+```
+
+Then you will need to run `OpenSSH` on a non-default port (the default
+port requires root access).
+
+
+
+
+
+
+ALTERNATIVE LOCATION OF `AnonymousAccessCommand`
+------------------------------------------------
+
+It is also possible to choose the location of the
+`AnonymousAccessCommand` itself:
+
+```
+  make USER_SSH_CONFIG_DIR=$HOME/.config/ssh \
+       install
+```
+
+First you would have to make the contents of the installed file
+`AuthorizedKeysCommand` vary according to that `Makefile` paremeter, by
+editing `Makefile`.