Merge branch 'jc/squash'

* jc/squash:
git-merge --squash

diff --combined git-commit.sh
index 128db6c52a878a421a67c658dfd175f774c24fea,9f49651cfdce101af3ba2c1980121d9ccea8a194..d7f3ade493762140c9a5a888ac67f8435e737f10
--- 1/git-commit.sh
--- 2/git-commit.sh
+++ b/git-commit.sh
@@@ -566,6 -566,9 +566,9 @@@ the
  elif test -f "$GIT_DIR/MERGE_HEAD" && test -f "$GIT_DIR/MERGE_MSG"
  then
        cat "$GIT_DIR/MERGE_MSG"
+ elif test -f "$GIT_DIR/SQUASH_MSG"
+ then
+       cat "$GIT_DIR/SQUASH_MSG"
  fi | git-stripspace >"$GIT_DIR"/COMMIT_EDITMSG
  
  case "$signoff" in
@@@ -663,7 -666,7 +666,7 @@@ els
  fi
  if [ "$?" != "0" -a ! -f "$GIT_DIR/MERGE_HEAD" -a -z "$amend" ]
  then
-       rm -f "$GIT_DIR/COMMIT_EDITMSG"
+       rm -f "$GIT_DIR/COMMIT_EDITMSG" "$GIT_DIR/SQUASH_MSG"
        run_status
        exit 1
  fi
@@@ -693,18 -696,13 +696,18 @@@ t
        fi
  esac
  
 -sed -e '
 -    /^diff --git a\/.*/{
 -      s///
 -      q
 -    }
 -    /^#/d
 -' "$GIT_DIR"/COMMIT_EDITMSG |
 +if test -z "$no_edit"
 +then
 +    sed -e '
 +        /^diff --git a\/.*/{
 +          s///
 +          q
 +      }
 +      /^#/d
 +    ' "$GIT_DIR"/COMMIT_EDITMSG
 +else
 +    cat "$GIT_DIR"/COMMIT_EDITMSG
 +fi |
  git-stripspace >"$GIT_DIR"/COMMIT_MSG
  
  if cnt=`grep -v -i '^Signed-off-by' "$GIT_DIR"/COMMIT_MSG |
@@@ -734,7 -732,7 +737,7 @@@ els
        false
  fi
  ret="$?"
- rm -f "$GIT_DIR/COMMIT_MSG" "$GIT_DIR/COMMIT_EDITMSG"
+ rm -f "$GIT_DIR/COMMIT_MSG" "$GIT_DIR/COMMIT_EDITMSG" "$GIT_DIR/SQUASH_MSG"
  if test -d "$GIT_DIR/rr-cache"
  then
        git-rerere