Merge branch 'maint'

diff --git a/git-sh-setup.sh b/git-sh-setup.sh
index 8d54b73d3208064829613499580bad541586c725..aa16b8356507e4e669ee5c4cb4b5a667942d559e 100644 (file)
--- a/git-sh-setup.sh
+++ b/git-sh-setup.sh
@@ -145,6 +145,35 @@ require_work_tree () {
        die "fatal: $0 cannot be used without a working tree."
 }
 
+require_clean_work_tree () {
+       git rev-parse --verify HEAD >/dev/null || exit 1
+       git update-index -q --ignore-submodules --refresh
+       err=0
+
+       if ! git diff-files --quiet --ignore-submodules
+       then
+               echo >&2 "Cannot $1: You have unstaged changes."
+               err=1
+       fi
+
+       if ! git diff-index --cached --quiet --ignore-submodules HEAD --
+       then
+               if [ $err = 0 ]
+               then
+                   echo >&2 "Cannot $1: Your index contains uncommitted changes."
+               else
+                   echo >&2 "Additionally, your index contains uncommitted changes."
+               fi
+               err=1
+       fi
+
+       if [ $err = 1 ]
+       then
+               test -n "$2" && echo >&2 "$2"
+               exit 1
+       fi
+}
+
 get_author_ident_from_commit () {
        pick_author_script='
        /^author /{
@@ -206,5 +235,20 @@ case $(uname -s) in
        find () {
                /usr/bin/find "$@"
        }
+       is_absolute_path () {
+               case "$1" in
+               [/\\]* | [A-Za-z]:*)
+                       return 0 ;;
+               esac
+               return 1
+       }
        ;;
+*)
+       is_absolute_path () {
+               case "$1" in
+               /*)
+                       return 0 ;;
+               esac
+               return 1
+       }
 esac