Add vcs-info

git-svn-id: svn+ssh://asteria.noreply.org/svn/weaselutils/trunk@398 bc3d92e2-beff-0310-a7cd-cc87d7ac0ede

1 files changed, 35 insertions, 0 deletions

diff --git a/zshfunc/vcs-info/VCS_INFO_git_getbranch b/zshfunc/vcs-info/VCS_INFO_git_getbranch
new file mode 100644
index 0000000..03c5fa5
--- /dev/null
+++ b/zshfunc/vcs-info/VCS_INFO_git_getbranch
@@ -0,0 +1,35 @@
+VCS_INFO_git_getbranch () { #{{{
+    local gitbranch gitdir=$1
+    local gitsymref='git symbolic-ref HEAD'
+
+    if    [[ -d "${gitdir}/rebase-apply" ]] \
+       || [[ -d "${gitdir}/rebase" ]]       \
+       || [[ -d "${gitdir}/../.dotest" ]]   \
+       || [[ -f "${gitdir}/MERGE_HEAD" ]] ; then
+        gitbranch="$(${(z)gitsymref} 2> /dev/null)"
+        [[ -z ${gitbranch} ]] && [[ -r ${gitdir}/rebase-apply/head-name ]] \
+            && gitbranch="$(< ${gitdir}/rebase-apply/head-name)"
+
+    elif   [[ -f "${gitdir}/rebase-merge/interactive" ]] \
+        || [[ -d "${gitdir}/rebase-merge" ]] ; then
+        gitbranch="$(< ${gitdir}/rebase-merge/head-name)"
+
+    elif   [[ -f "${gitdir}/.dotest-merge/interactive" ]] \
+        || [[ -d "${gitdir}/.dotest-merge" ]] ; then
+        gitbranch="$(< ${gitdir}/.dotest-merge/head-name)"
+
+    else
+        gitbranch="$(${(z)gitsymref} 2> /dev/null)"
+
+        if [[ $? -ne 0 ]] ; then
+            gitbranch="$(git describe --exact-match HEAD 2>/dev/null)"
+
+            if [[ $? -ne 0 ]] ; then
+                gitbranch="${${"$(< $gitdir/HEAD)"}[1,7]}..."
+            fi
+        fi
+    fi
+
+    printf '%s' "${gitbranch##refs/heads/}"
+    return 0
+}