From c74bce5532f69d85802ce0507636d7149f35551c Mon Sep 17 00:00:00 2001
From: Darren 'Tadgy' Austin <darren@afterdark.org.uk>
Date: Fri, 3 Nov 2023 21:56:22 +0000
Subject: [PATCH] Handle the .gitconfig-* files in .bashrc.

---
 .bashrc | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/.bashrc b/.bashrc
index 1b8c05d..8f7bc1e 100644
--- a/.bashrc
+++ b/.bashrc
@@ -558,6 +558,26 @@ hash ssh ssh-add >/dev/null 2>&1 && ssh() {
   command "${_EXEC:-${FUNCNAME[0]}}" "$@"
 }
 
+# Handle the ~/.gitconfig link.
+if [[ -e "$HOME/.gitconfig-$USER@$HOSTNAME" ]]; then
+  FILENAME=".gitconfig-$USER@$HOSTNAME"
+elif [[ -e "$HOME/.gitconfig-$USER@*.${HOSTNAME#*.}" ]]; then
+  FILENAME=".gitconfig-$USER@*.${HOSTNAME#*.}"
+elif [[ -e "$HOME/.gitconfig-$USER@*" ]]; then
+  FILENAME=".gitconfig-$USER@*"
+elif [[ -e "$HOME/.gitconfig-*@$HOSTNAME" ]]; then
+  FILENAME=".gitconfig-*@$HOSTNAME"
+elif [[ -e "$HOME/.gitconfig-*.${HOSTNAME#*.}" ]]; then
+  FILENAME=".gitconfig-*.${HOSTNAME#*.}"
+elif [[ -e "$HOME/.gitconfig-default" ]]; then
+  FILENAME=".gitconfig-default"
+else
+  (cd "$HOME" && [[ -L ".gitconfig" ]] && rm -f ".gitconfig")
+  printf "%s: %s\\n" "${BASH_SOURCE##*/}" "failed to update .gitconfig symlink" >&2
+fi
+[[ -n "$FILENAME" ]] && (cd "$HOME" && ln -sf "$FILENAME" ".gitconfig")
+unset FILENAME
+
 # Platform specific set up.
 if [[ "$PLATFORM" = "Linux" ]]; then
   # Linux specific functions.