Merge branch 'jc/attr'

* 'jc/attr': (28 commits)
  lockfile: record the primary process.
  convert.c: restructure the attribute checking part.
  Fix bogus linked-list management for user defined merge drivers.
  Simplify calling of CR/LF conversion routines
  Document gitattributes(5)
  Update 'crlf' attribute semantics.
  Documentation: support manual section (5) - file formats.
  Simplify code to find recursive merge driver.
  Counto-fix in merge-recursive
  Fix funny types used in attribute value representation
  Allow low-level driver to specify different behaviour during internal merge.
  Custom low-level merge driver: change the configuration scheme.
  Allow the default low-level merge driver to be configured.
  Custom low-level merge driver support.
  Add a demonstration/test of customized merge.
  Allow specifying specialized merge-backend per path.
  merge-recursive: separate out xdl_merge() interface.
  Allow more than true/false to attributes.
  Document git-check-attr
  Change attribute negation marker from '!' to '-'.
  ...

diff --cc .gitignore
Simple merge

diff --cc Documentation/config.txt
Simple merge

diff --cc Makefile
index 173c8b68c0c49bf8614a8e929f3b3d392db9eaa3,e14cc10047a5a688e5c26ca3acf73d0346bf2b67..c9c2a5fb6685333895b6ab28a4ae355a6ac378bb
--- 1/Makefile
--- 2/Makefile
+++ b/Makefile
@@@ -283,7 -283,7 +283,7 @@@ LIB_H = 
        diff.h object.h pack.h pkt-line.h quote.h refs.h list-objects.h sideband.h \
        run-command.h strbuf.h tag.h tree.h git-compat-util.h revision.h \
        tree-walk.h log-tree.h dir.h path-list.h unpack-trees.h builtin.h \
-       utf8.h reflog-walk.h patch-ids.h decorate.h
 -      utf8.h reflog-walk.h patch-ids.h attr.h
++      utf8.h reflog-walk.h patch-ids.h attr.h decorate.h
  
  DIFF_OBJS = \
        diff.o diff-lib.o diffcore-break.o diffcore-order.o \
@@@ -305,7 -305,7 +305,7 @@@ LIB_OBJS = 
        write_or_die.o trace.o list-objects.o grep.o match-trees.o \
        alloc.o merge-file.o path-list.o help.o unpack-trees.o $(DIFF_OBJS) \
        color.o wt-status.o archive-zip.o archive-tar.o shallow.o utf8.o \
-       convert.o decorate.o
 -      convert.o attr.o
++      convert.o attr.o decorate.o
  
  BUILTIN_OBJS = \
        builtin-add.o \

diff --cc builtin-apply.c
Simple merge

diff --cc cache.h
Simple merge

diff --cc diff.c
Simple merge

diff --cc entry.c
index 50ffae40c76478a10d1c3fc9623105e7f14f863e,3771209f1956f6aa3990e512187c8037e240c818..84f78025ff9f24d3ef9b2412894e18f3d9fc1859
--- 1/entry.c
--- 2/entry.c
+++ b/entry.c
@@@ -78,17 -65,22 +78,17 @@@ static void *read_blob_entry(struct cac
  static int write_entry(struct cache_entry *ce, char *path, struct checkout *state, int to_tempfile)
  {
        int fd;
 -      void *new;
 -      unsigned long size;
        long wrote;
 -      enum object_type type;
  
 -      new = read_sha1_file(ce->sha1, &type, &size);
 -      if (!new || type != OBJ_BLOB) {
 -              if (new)
 -                      free(new);
 -              return error("git-checkout-index: unable to read sha1 file of %s (%s)",
 -                      path, sha1_to_hex(ce->sha1));
 -      }
        switch (ntohl(ce->ce_mode) & S_IFMT) {
 -              char *buf;
 +              char *buf, *new;
-               unsigned long size, nsize;
++              unsigned long size;
  
        case S_IFREG:
 +              new = read_blob_entry(ce, path, &size);
 +              if (!new)
 +                      return error("git-checkout-index: unable to read sha1 file of %s (%s)",
 +                              path, sha1_to_hex(ce->sha1));
                if (to_tempfile) {
                        strcpy(path, ".merge_file_XXXXXX");
                        fd = mkstemp(path);

diff --cc merge-recursive.c
Simple merge

diff --cc sha1_file.c
Simple merge