Let antigen-selfupdate works when in submodule

ChangZhuo Chen
1 parent 01aae9e3ba
Showing 1 changed file with 6 additions and 1 deletions Side-by-side Diff
antigen.zsh
@@ -316,11 +316,16 @@ antigen-revert () {
 # "what's new" message.
 antigen-selfupdate () {
     ( cd $_ANTIGEN_INSTALL_DIR
-        if [[ ! -d .git ]]; then
+        if [[ ! ( -d .git || -f .git ) ]]; then
             echo "Your copy of antigen doesn't appear to be a git clone. " \
                 "The 'selfupdate' command cannot work in this case."
             return 1
         fi
+        local head="$(git rev-parse --abbrev-ref HEAD)"
+        if [[ $head == "HEAD" ]]; then
+            # If current head is detached HEAD, checkout to master branch.
+            git checkout master
+        fi
         git pull
     )
 }
...	...	@@ -316,11 +316,16 @@ antigen-revert () {
316	316	# "what's new" message.
317	317	antigen-selfupdate () {
318	318	( cd $_ANTIGEN_INSTALL_DIR
319		- if [[ ! -d .git ]]; then
	319	+ if [[ ! ( -d .git \|\| -f .git ) ]]; then
320	320	echo "Your copy of antigen doesn't appear to be a git clone. " \
321	321	"The 'selfupdate' command cannot work in this case."
322	322	return 1
323	323	fi
	324	+ local head="$(git rev-parse --abbrev-ref HEAD)"
	325	+ if [[ $head == "HEAD" ]]; then
	326	+ # If current head is detached HEAD, checkout to master branch.
	327	+ git checkout master
	328	+ fi
324	329	git pull
325	330	)
326	331	}