From 5155c9073bb33bef1e0a20a44274d1744ad686d7 Mon Sep 17 00:00:00 2001
From: Adrian Ho <the.gromgit@gmail.com>
Date: Sat, 8 Oct 2022 21:57:44 +0800
Subject: [PATCH] update*: enforce sane symlinks setting

Otherwise, a global `core.symlinks = false` setting, likely in a WSL context, breaks Aliases and any other places that use symlinks.

Also enforce consistency in `git config` settings across instances.

Ref: https://github.com/Homebrew/homebrew-core/issues/112539
---
 Library/Homebrew/cmd/update-reset.sh | 2 ++
 Library/Homebrew/cmd/update.sh       | 7 ++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/cmd/update-reset.sh b/Library/Homebrew/cmd/update-reset.sh
index bfd1234e5e..d701da7c41 100644
--- a/Library/Homebrew/cmd/update-reset.sh
+++ b/Library/Homebrew/cmd/update-reset.sh
@@ -56,6 +56,8 @@ homebrew-update-reset() {
       opoo "No remote 'origin' in ${DIR}, skipping update and reset!"
       continue
     fi
+    git -C "${DIR}" config --bool core.autocrlf false
+    git -C "${DIR}" config --bool core.symlinks true
     ohai "Fetching ${DIR}..."
     git -C "${DIR}" fetch --force --tags origin
     git -C "${DIR}" remote set-head origin --auto >/dev/null
diff --git a/Library/Homebrew/cmd/update.sh b/Library/Homebrew/cmd/update.sh
index 83fe382987..2f75802821 100644
--- a/Library/Homebrew/cmd/update.sh
+++ b/Library/Homebrew/cmd/update.sh
@@ -45,6 +45,7 @@ git_init_if_necessary() {
     trap '{ rm -rf .git; exit 1; }' EXIT
     git init
     git config --bool core.autocrlf false
+    git config --bool core.symlinks true
     if [[ "${HOMEBREW_BREW_DEFAULT_GIT_REMOTE}" != "${HOMEBREW_BREW_GIT_REMOTE}" ]]
     then
       echo "HOMEBREW_BREW_GIT_REMOTE set: using ${HOMEBREW_BREW_GIT_REMOTE} for Homebrew/brew Git remote URL."
@@ -67,6 +68,7 @@ git_init_if_necessary() {
     trap '{ rm -rf .git; exit 1; }' EXIT
     git init
     git config --bool core.autocrlf false
+    git config --bool core.symlinks true
     if [[ "${HOMEBREW_CORE_DEFAULT_GIT_REMOTE}" != "${HOMEBREW_CORE_GIT_REMOTE}" ]]
     then
       echo "HOMEBREW_CORE_GIT_REMOTE set: using ${HOMEBREW_CORE_GIT_REMOTE} for Homebrew/core Git remote URL."
@@ -269,7 +271,10 @@ EOS
   export HOMEBREW_UPDATE_BEFORE"${TAP_VAR}"="${INITIAL_REVISION}"
 
   # ensure we don't munge line endings on checkout
-  git config core.autocrlf false
+  git config --bool core.autocrlf false
+
+  # make sure symlinks are saved as-is
+  git config --bool core.symlinks true
 
   if [[ "${DIR}" == "${HOMEBREW_CORE_REPOSITORY}" && -n "${HOMEBREW_LINUXBREW_CORE_MIGRATION}" ]]
   then