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 '-'.
  ...

.gitignore

@@ -16,6 +16,7 @@ git-blame
 git-branch
 git-bundle
 git-cat-file
+git-check-attr
 git-check-ref-format
 git-checkout
 git-checkout-index

Documentation/Makefile

@@ -2,9 +2,10 @@ MAN1_TXT= \
 	$(filter-out $(addsuffix .txt, $(ARTICLES) $(SP_ARTICLES)), \
 		$(wildcard git-*.txt)) \
 	gitk.txt
+MAN5_TXT=gitattributes.txt
 MAN7_TXT=git.txt
 
-DOC_HTML=$(patsubst %.txt,%.html,$(MAN1_TXT) $(MAN7_TXT))
+DOC_HTML=$(patsubst %.txt,%.html,$(MAN1_TXT) $(MAN5_TXT) $(MAN7_TXT))
 
 ARTICLES = tutorial
 ARTICLES += tutorial-2
@@ -23,12 +24,14 @@ SP_ARTICLES = howto/revert-branch-rebase user-manual
 DOC_HTML += $(patsubst %,%.html,$(ARTICLES) $(SP_ARTICLES))
 
 DOC_MAN1=$(patsubst %.txt,%.1,$(MAN1_TXT))
+DOC_MAN5=$(patsubst %.txt,%.5,$(MAN1_TXT))
 DOC_MAN7=$(patsubst %.txt,%.7,$(MAN7_TXT))
 
 prefix?=$(HOME)
 bindir?=$(prefix)/bin
 mandir?=$(prefix)/man
 man1dir=$(mandir)/man1
+man5dir=$(mandir)/man5
 man7dir=$(mandir)/man7
 # DESTDIR=
 
@@ -53,15 +56,19 @@ all: html man
 
 html: $(DOC_HTML)
 
-$(DOC_HTML) $(DOC_MAN1) $(DOC_MAN7): asciidoc.conf
+$(DOC_HTML) $(DOC_MAN1) $(DOC_MAN5) $(DOC_MAN7): asciidoc.conf
 
-man: man1 man7
+man: man1 man5 man7
 man1: $(DOC_MAN1)
+man5: $(DOC_MAN5)
 man7: $(DOC_MAN7)
 
 install: man
-	$(INSTALL) -d -m755 $(DESTDIR)$(man1dir) $(DESTDIR)$(man7dir)
+	$(INSTALL) -d -m755 $(DESTDIR)$(man1dir)
+	$(INSTALL) -d -m755 $(DESTDIR)$(man5dir)
+	$(INSTALL) -d -m755 $(DESTDIR)$(man7dir)
 	$(INSTALL) -m644 $(DOC_MAN1) $(DESTDIR)$(man1dir)
+	$(INSTALL) -m644 $(DOC_MAN5) $(DESTDIR)$(man5dir)
 	$(INSTALL) -m644 $(DOC_MAN7) $(DESTDIR)$(man7dir)
 
 
@@ -99,7 +106,7 @@ cmd-list.made: cmd-list.perl $(MAN1_TXT)
 git.7 git.html: git.txt core-intro.txt
 
 clean:
-	rm -f *.xml *.xml+ *.html *.html+ *.1 *.7 howto-index.txt howto/*.html doc.dep
+	rm -f *.xml *.xml+ *.html *.html+ *.1 *.5 *.7 howto-index.txt howto/*.html doc.dep
 	rm -f $(cmds_txt) *.made
 
 %.html : %.txt
@@ -109,7 +116,7 @@ clean:
 		sed -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' >$@+
 	mv $@+ $@
 
-%.1 %.7 : %.xml
+%.1 %.5 %.7 : %.xml
 	xmlto -m callouts.xsl man $<
 
 %.xml : %.txt

Documentation/cmd-list.perl

@@ -84,6 +84,7 @@ sub format_one {
 git-cat-file                            plumbinginterrogators
 git-checkout-index                      plumbingmanipulators
 git-checkout                            mainporcelain
+git-check-attr                          purehelpers
 git-check-ref-format                    purehelpers
 git-cherry                              ancillaryinterrogators
 git-cherry-pick                         mainporcelain

Documentation/config.txt

@@ -525,6 +525,19 @@ merge.verbosity::
 	conflicts, 2 outputs conflicts and file changes.  Level 5 and
 	above outputs debugging information.  The default is level 2.
 
+merge.<driver>.name::
+	Defines a human readable name for a custom low-level
+	merge driver.  See gitlink:gitattributes[5] for details.
+
+merge.<driver>.driver::
+	Defines the command that implements a custom low-level
+	merge driver.  See gitlink:gitattributes[5] for details.
+
+merge.<driver>.recursive::
+	Names a low-level merge driver to be used when
+	performing an internal merge between common ancestors.
+	See gitlink:gitattributes[5] for details.
+
 pack.window::
 	The size of the window used by gitlink:git-pack-objects[1] when no
 	window size is given on the command line. Defaults to 10.

Documentation/git-check-attr.txt

@@ -0,0 +1,37 @@
+git-check-attr(1)
+=================
+
+NAME
+----
+git-check-attr - Display gitattributes information.
+
+
+SYNOPSIS
+--------
+'git-check-attr' attr... [--] pathname...
+
+DESCRIPTION
+-----------
+For every pathname, this command will list if each attr is 'unspecified',
+'set', or 'unset' as a gitattribute on that pathname.
+
+OPTIONS
+-------
+\--::
+	Interpret all preceding arguments as attributes, and all following
+	arguments as path names. If not supplied, only the first argument will
+	be treated as an attribute.
+
+
+Author
+------
+Written by Junio C Hamano <junkio@cox.net>
+
+Documentation
+--------------
+Documentation by James Bowes.
+
+GIT
+---
+Part of the gitlink:git[7] suite
+