git: Add support for detached head state

2013-03-12 20:47:52 +01:00 · 2013-03-12 20:47:52 +01:00 · e8649fc440
commit e8649fc440
parent 3d711323d5
1 changed files with 4 additions and 0 deletions
--- a/4
+++ b/4
@ -660,6 +660,10 @@ _lp_git_branch()
    local gitdir="$(git rev-parse --git-dir 2>/dev/null)"
    [[ $? -ne 0 || "${gitdir##*/}" != .git ]] && return
    local branch="$(git symbolic-ref HEAD 2>/dev/null)"
+    if [[ $? -ne 0 || -z "$branch" ]] ; then
+        # In detached head state, use commit instead
+        branch="$(git rev-parse --short HEAD 2>/dev/null)"
+    fi
    [[ $? -ne 0 || -z "$branch" ]] && return
    echo "${branch#refs/heads/}"
 }