Set GIT_SSH_COMMAND='ssh -o "BatchMode yes"' to block prompts when using SSH auth.

CHANGELOG.md

@@ -8,7 +8,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 ### Fixed
 - Update remote HEAD branch detection to use `addenv` instead of `setenv` such that e.g.
-  ssh-agent variables are still available to the git command. ([#197][github-197])
+  ssh-agent variables are available to the git command. Also set
+  `GIT_SSH_COMMAND='ssh -o "BatchMode yes"'` to supress prompts when using ssh.
+  ([#197][github-197])
+
 
 ## [2.13.2] - 2022-04-22
 ### Fixed

src/Literate.jl

@@ -270,8 +270,12 @@ function create_configuration(inputfile; user_config, user_kwargs, type=nothing)
     fallback_edit_commit = "master"
     if (git = Sys.which("git"); git !== nothing)
         try
+            env = copy(ENV)
+            # Set environment variables to block interactive prompt
+            env["GIT_TERMINAL_PROMPT"] = "0"
+            env["GIT_SSH_COMMAND"] = get(ENV, "GIT_SSH_COMMAND", "ssh -o \"BatchMode yes\"")
             str = read(pipeline(ignorestatus(
-                addenv(`$(git) remote show origin`, ["GIT_TERMINAL_PROMPT=0"]; dir=dirname(inputfile))
+                setenv(`$(git) remote show origin`, env; dir=dirname(inputfile))
             ), stderr=devnull), String)
             if (m = match(r"^\s*HEAD branch:\s*(.*)$"m, str); m !== nothing)
                 fallback_edit_commit = String(m[1])