Merge branch 'sb/filenames-with-dashes'

Rename bunch of source files to more consistently use dashes
instead of underscores to connect words.

* sb/filenames-with-dashes:
replace_object.c: rename to use dash in file name
sha1_file.c: rename to use dash in file name
sha1_name.c: rename to use dash in file name
exec_cmd: rename to use dash in file name
unicode_width.h: rename to use dash in file name
write_or_die.c: rename to use dashes in file name

diff --combined Makefile
index 2e198c41dcebc7efbae92678f4de63b228f0622b,7262b7c94248c40011634376e85da4af70660e3f..e7191a7e60819465bf90d9fd062fa75e8aee6212
--- 1/Makefile
--- 2/Makefile
+++ b/Makefile
@@@ -783,7 -783,6 +783,7 @@@ LIB_OBJS += branch.
  LIB_OBJS += bulk-checkin.o
  LIB_OBJS += bundle.o
  LIB_OBJS += cache-tree.o
 +LIB_OBJS += chdir-notify.o
  LIB_OBJS += checkout.o
  LIB_OBJS += color.o
  LIB_OBJS += column.o
@@@ -819,7 -818,7 +819,7 @@@ LIB_OBJS += ewah/bitmap.
  LIB_OBJS += ewah/ewah_bitmap.o
  LIB_OBJS += ewah/ewah_io.o
  LIB_OBJS += ewah/ewah_rlw.o
- LIB_OBJS += exec_cmd.o
+ LIB_OBJS += exec-cmd.o
  LIB_OBJS += fetch-object.o
  LIB_OBJS += fetch-pack.o
  LIB_OBJS += fsck.o
@@@ -889,7 -888,7 +889,7 @@@ LIB_OBJS += refs/packed-backend.
  LIB_OBJS += refs/ref-cache.o
  LIB_OBJS += ref-filter.o
  LIB_OBJS += remote.o
- LIB_OBJS += replace_object.o
+ LIB_OBJS += replace-object.o
  LIB_OBJS += repository.o
  LIB_OBJS += rerere.o
  LIB_OBJS += resolve-undo.o
@@@ -901,8 -900,8 +901,8 @@@ LIB_OBJS += server-info.
  LIB_OBJS += setup.o
  LIB_OBJS += sha1-array.o
  LIB_OBJS += sha1-lookup.o
- LIB_OBJS += sha1_file.o
- LIB_OBJS += sha1_name.o
+ LIB_OBJS += sha1-file.o
+ LIB_OBJS += sha1-name.o
  LIB_OBJS += shallow.o
  LIB_OBJS += sideband.o
  LIB_OBJS += sigchain.o
@@@ -937,7 -936,7 +937,7 @@@ LIB_OBJS += walker.
  LIB_OBJS += wildmatch.o
  LIB_OBJS += worktree.o
  LIB_OBJS += wrapper.o
- LIB_OBJS += write_or_die.o
+ LIB_OBJS += write-or-die.o
  LIB_OBJS += ws.o
  LIB_OBJS += wt-status.o
  LIB_OBJS += xdiff-interface.o
@@@ -2156,8 -2155,8 +2156,8 @@@ els
  $(OBJECTS): $(LIB_H)
  endif
  
- exec_cmd.sp exec_cmd.s exec_cmd.o: GIT-PREFIX
- exec_cmd.sp exec_cmd.s exec_cmd.o: EXTRA_CPPFLAGS = \
+ exec-cmd.sp exec-cmd.s exec-cmd.o: GIT-PREFIX
+ exec-cmd.sp exec-cmd.s exec-cmd.o: EXTRA_CPPFLAGS = \
        '-DGIT_EXEC_PATH="$(gitexecdir_SQ)"' \
        '-DBINDIR="$(bindir_relative_SQ)"' \
        '-DPREFIX="$(prefix_SQ)"'

diff --combined config.c
index 563853c4be2620d86f90734034427206ed92e613,e2b87b4764070ccc2a6dceafbd96ca158ea85f5e..62c56099bf82c44aefc7f4dcdba207a66ad76cd7
--- 1/config.c
--- 2/config.c
+++ b/config.c
@@@ -9,7 -9,7 +9,7 @@@
  #include "config.h"
  #include "repository.h"
  #include "lockfile.h"
- #include "exec_cmd.h"
+ #include "exec-cmd.h"
  #include "strbuf.h"
  #include "quote.h"
  #include "hashmap.h"
@@@ -1426,7 -1426,6 +1426,7 @@@ static int do_config_from_file(config_f
                void *data)
  {
        struct config_source top;
 +      int ret;
  
        top.u.file = f;
        top.origin_type = origin_type;
@@@ -1437,10 -1436,7 +1437,10 @@@
        top.do_ungetc = config_file_ungetc;
        top.do_ftell = config_file_ftell;
  
 -      return do_config_from(&top, fn, data);
 +      flockfile(f);
 +      ret = do_config_from(&top, fn, data);
 +      funlockfile(f);
 +      return ret;
  }
  
  static int git_config_from_stdin(config_fn_t fn, void *data)
@@@ -1455,7 -1451,9 +1455,7 @@@ int git_config_from_file(config_fn_t fn
  
        f = fopen_or_warn(filename, "r");
        if (f) {
 -              flockfile(f);
                ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename, filename, f, data);
 -              funlockfile(f);
                fclose(f);
        }
        return ret;

diff --combined sequencer.c
index a7d31e0525cead13981172851383d2f5da4f70fc,6d631d25c669db4623bae3d945aecda2132adfab..5e3a50fafc91c7ce7488c20fcb0c663c3384a862
--- 1/sequencer.c
--- 2/sequencer.c
+++ b/sequencer.c
@@@ -7,7 -7,7 +7,7 @@@
  #include "sequencer.h"
  #include "tag.h"
  #include "run-command.h"
- #include "exec_cmd.h"
+ #include "exec-cmd.h"
  #include "utf8.h"
  #include "cache-tree.h"
  #include "diff.h"
@@@ -127,7 -127,6 +127,7 @@@ static GIT_PATH_FUNC(rebase_path_rewrit
  static GIT_PATH_FUNC(rebase_path_gpg_sign_opt, "rebase-merge/gpg_sign_opt")
  static GIT_PATH_FUNC(rebase_path_orig_head, "rebase-merge/orig-head")
  static GIT_PATH_FUNC(rebase_path_verbose, "rebase-merge/verbose")
 +static GIT_PATH_FUNC(rebase_path_signoff, "rebase-merge/signoff")
  static GIT_PATH_FUNC(rebase_path_head_name, "rebase-merge/head-name")
  static GIT_PATH_FUNC(rebase_path_onto, "rebase-merge/onto")
  static GIT_PATH_FUNC(rebase_path_autostash, "rebase-merge/autostash")
@@@ -1605,7 -1604,7 +1605,7 @@@ static int do_pick_commit(enum todo_com
                }
        }
  
 -      if (opts->signoff)
 +      if (opts->signoff && !is_fixup(command))
                append_signoff(&msgbuf, 0, 0);
  
        if (is_rebase_i(opts) && write_author_script(msg.message) < 0)
@@@ -2044,11 -2043,6 +2044,11 @@@ static int read_populate_opts(struct re
                if (file_exists(rebase_path_verbose()))
                        opts->verbose = 1;
  
 +              if (file_exists(rebase_path_signoff())) {
 +                      opts->allow_ff = 0;
 +                      opts->signoff = 1;
 +              }
 +
                read_strategy_opts(opts, &buf);
                strbuf_release(&buf);
  
@@@ -3007,7 -3001,7 +3007,7 @@@ int sequencer_make_script(FILE *out, in
        init_revisions(&revs, NULL);
        revs.verbose_header = 1;
        revs.max_parents = 1;
 -      revs.cherry_pick = 1;
 +      revs.cherry_mark = 1;
        revs.limited = 1;
        revs.reverse = 1;
        revs.right_only = 1;
@@@ -3032,12 -3026,8 +3032,12 @@@
                return error(_("make_script: error preparing revisions"));
  
        while ((commit = get_revision(&revs))) {
 +              int is_empty  = is_original_commit_empty(commit);
 +
 +              if (!is_empty && (commit->object.flags & PATCHSAME))
 +                      continue;
                strbuf_reset(&buf);
 -              if (!keep_empty && is_original_commit_empty(commit))
 +              if (!keep_empty && is_empty)
                        strbuf_addf(&buf, "%c ", comment_line_char);
                strbuf_addf(&buf, "%s %s ", insn,
                            oid_to_hex(&commit->object.oid));