work around an obnoxious bash "safety feature" on OpenBSD

diff --git a/git-am.sh b/git-am.sh
index f48620d5bc1dfba2012b3a7c06477f97ddef9282..c8b9cbb101f1319b6efd78ff6ae9c63efcdc991b 100755 (executable)
--- a/git-am.sh
+++ b/git-am.sh
@@ -30,6 +30,7 @@ skip            skip the current patch
 abort           restore the original branch and abort the patching operation.
 committer-date-is-author-date    lie about committer date
 ignore-date     use current timestamp for author date
+rerere-autoupdate update the index with reused conflict resolution if possible
 rebasing*       (internal use for git-rebase)"
 
 . git-sh-setup
@@ -135,7 +136,7 @@ It does not apply to blobs recorded in its index."
            export GIT_MERGE_VERBOSITY=0
     fi
     git-merge-recursive $orig_tree -- HEAD $his_tree || {
-           git rerere
+           git rerere $allow_rerere_autoupdate
            echo Failed to merge in the changes.
            exit 1
     }
@@ -204,7 +205,8 @@ check_patch_format () {
                        # discarding the indented remainder of folded lines,
                        # and see if it looks like that they all begin with the
                        # header field names...
-                       sed -n -e '/^$/q' -e '/^[       ]/d' -e p "$1" |
+                       tr -d '\015' <"$1" |
+                       sed -n -e '/^$/q' -e '/^[       ]/d' -e p |
                        sane_egrep -v '^[!-9;-~]+:' >/dev/null ||
                        patch_format=mbox
                fi
@@ -293,6 +295,7 @@ resolvemsg= resume= scissors= no_inbody_headers=
 git_apply_opt=
 committer_date_is_author_date=
 ignore_date=
+allow_rerere_autoupdate=
 
 while test $# != 0
 do
@@ -340,6 +343,8 @@ do
                committer_date_is_author_date=t ;;
        --ignore-date)
                ignore_date=t ;;
+       --rerere-autoupdate|--no-rerere-autoupdate)
+               allow_rerere_autoupdate="$1" ;;
        -q|--quiet)
                GIT_QUIET=t ;;
        --)
@@ -657,7 +662,10 @@ do
                [eE]*) git_editor "$dotest/final-commit"
                       action=again ;;
                [vV]*) action=again
-                      LESS=-S ${PAGER:-less} "$dotest/patch" ;;
+                      : ${GIT_PAGER=$(git var GIT_PAGER)}
+                      : ${LESS=-FRSX}
+                      export LESS
+                      $GIT_PAGER "$dotest/patch" ;;
                *)     action=again ;;
                esac
            done