diff options
-rwxr-xr-x | git-rebase.sh | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/git-rebase.sh b/git-rebase.sh index 6ec155cf03..6503113a84 100755 --- a/git-rebase.sh +++ b/git-rebase.sh @@ -34,6 +34,8 @@ set_reflog_action rebase require_work_tree cd_to_toplevel +LF=' +' OK_TO_SKIP_PRE_REBASE= RESOLVEMSG=" When you have resolved this problem run \"git rebase --continue\". @@ -417,7 +419,22 @@ fi # Make sure the branch to rebase onto is valid. onto_name=${newbase-"$upstream_name"} -onto=$(git rev-parse --verify "${onto_name}^0") || exit +if left=$(expr "$onto_name" : '\(.*\)\.\.\.') && + right=$(expr "$onto_name" : '\.\.\.\(.*\)$') && + : ${left:=HEAD} ${right:=HEAD} && + onto=$(git merge-base "$left" "$right") +then + case "$onto" in + ?*"$LF"?*) + die "$onto_name: there are more than one merge bases" + ;; + '') + die "$onto_name: there is no merge base" + ;; + esac +else + onto=$(git rev-parse --verify "${onto_name}^0") || exit +fi # If a hook exists, give it a chance to interrupt run_pre_rebase_hook "$upstream_arg" "$@" |