${__git_dir:+--git-dir="$__git_dir"} "$@" 2>/dev/null
}
+# Helper function to read the first line of a file into a variable.
+# __git_eread requires 2 arguments, the file path and the name of the
+# variable, in that order.
+#
+# This is taken from git-prompt.sh.
+__git_eread ()
+{
+ test -r "$1" && IFS=$'\r\n' read -r "$2" <"$1"
+}
+
+# Runs git in $__git_repo_path to determine whether a pseudoref exists.
+# 1: The pseudo-ref to search
+__git_pseudoref_exists ()
+{
+ local ref=$1
+
+ # If the reftable is in use, we have to shell out to 'git rev-parse'
+ # to determine whether the ref exists instead of looking directly in
+ # the filesystem to determine whether the ref exists. Otherwise, use
+ # Bash builtins since executing Git commands are expensive on some
+ # platforms.
+ if __git_eread "$__git_repo_path/HEAD" head; then
+ b="${head#ref: }"
+ if [ "$b" == "refs/heads/.invalid" ]; then
+ __git -C "$__git_repo_path" rev-parse --verify --quiet "$ref" 2>/dev/null
+ return $?
+ fi
+ fi
+
+ [ -f "$__git_repo_path/$ref" ]
+}
+
# Removes backslash escaping, single quotes and double quotes from a word,
# stores the result in the variable $dequoted_word.
# 1: The word to dequote.
_git_cherry_pick ()
{
__git_find_repo_path
- if [ -f "$__git_repo_path"/CHERRY_PICK_HEAD ]; then
+ if __git_pseudoref_exists CHERRY_PICK_HEAD; then
__gitcomp "$__git_cherry_pick_inprogress_options"
return
fi
__git_find_repo_path
local merge=""
- if [ -f "$__git_repo_path/MERGE_HEAD" ]; then
+ if __git_pseudoref_exists MERGE_HEAD; then
merge="--merge"
fi
case "$prev,$cur" in
_git_restore ()
{
+ __git_find_repo_path
case "$prev" in
-s)
__git_complete_refs
__gitcomp_builtin restore
;;
*)
- if __git rev-parse --verify --quiet HEAD >/dev/null; then
+ if __git_pseudoref_exists HEAD; then
__git_complete_index_file "--modified"
fi
esac
_git_revert ()
{
__git_find_repo_path
- if [ -f "$__git_repo_path"/REVERT_HEAD ]; then
+ if __git_pseudoref_exists REVERT_HEAD; then
__gitcomp "$__git_revert_inprogress_options"
return
fi
__git_find_repo_path
local merge=""
- if [ -f "$__git_repo_path/MERGE_HEAD" ]; then
+ if __git_pseudoref_exists MERGE_HEAD; then
merge="--merge"
fi
case "$cur" in