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-rwxr-xr-xgit-checkout.sh21
1 files changed, 12 insertions, 9 deletions
diff --git a/git-checkout.sh b/git-checkout.sh
index 5a73887..3250f64 100755
--- a/git-checkout.sh
+++ b/git-checkout.sh
@@ -140,22 +140,25 @@ fi
[ -z "$new" ] && new=$old && new_name="$old_name"
-# If we don't have an old branch that we're switching to,
+# If we don't have an existing branch that we're switching to,
# and we don't have a new branch name for the target we
-# are switching to, then we'd better just be checking out
-# what we already had
+# are switching to, then we are detaching our HEAD from any
+# branch. However, if "git checkout HEAD" detaches the HEAD
+# from the current branch, even though that may be logically
+# correct, it feels somewhat funny. More importantly, we do not
+# want "git checkout" nor "git checkout -f" to detach HEAD.
if test -z "$branch$newbranch" && test "$new" != "$old"
then
- # NEEDSWORK: we would want to have this command here
- # that allows us to detach the HEAD atomically.
- # git update-ref --detach HEAD "$new"
+ # NEEDSWORK: we would want to have a command here
+ # that allows us to detach the HEAD atomically. Perhaps
+ # something like "git update-ref --detach HEAD $new"
echo "$new" >"$GIT_DIR/HEAD.new" &&
mv "$GIT_DIR/HEAD.new" "$GIT_DIR/HEAD" || die "Cannot detach HEAD"
if test -n "$oldbranch"
then
- echo >&2 "WARNING: you are not on ANY branch anymore.
+ echo >&2 "warning: you are not on ANY branch anymore.
If you meant to create a new branch from the commit, you need -b to
associate a new branch with the wanted checkout. Example:
git checkout -b <new_branch_name> $arg
@@ -165,8 +168,8 @@ fi
if [ "X$old" = X ]
then
- echo "warning: You do not appear to currently be on a branch." >&2
- echo "warning: Forcing checkout of $new_name." >&2
+ echo >&2 "warning: You appear to be on a branch yet to be born."
+ echo >&2 "warning: Forcing checkout of $new_name."
force=1
fi