Allow cloning to an existing empty directory

diff --git a/Makefile b/Makefile
index 308dc70b5de118083a14bcb2665372a40ae6522c..dee97c1b010503acb170be08b721e69e45f5d569 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -90,6 +90,8 @@ all::
 #
 # Define NO_MMAP if you want to avoid mmap.
 #
+# Define NO_PTHREADS if you do not have or do not want to use Pthreads.
+#
 # Define NO_PREAD if you have a problem with pread() system call (e.g.
 # cygwin.dll before v1.5.22).
 #
@@ -164,6 +166,7 @@ uname_M := $(shell sh -c 'uname -m 2>/dev/null || echo not')
 uname_O := $(shell sh -c 'uname -o 2>/dev/null || echo not')
 uname_R := $(shell sh -c 'uname -r 2>/dev/null || echo not')
 uname_P := $(shell sh -c 'uname -p 2>/dev/null || echo not')
+uname_V := $(shell sh -c 'uname -v 2>/dev/null || echo not')
 
 # CFLAGS and LDFLAGS are for the users to override from the command line.
 
@@ -229,6 +232,7 @@ INSTALL = install
 RPMBUILD = rpmbuild
 TCL_PATH = tclsh
 TCLTK_PATH = wish
+PTHREAD_LIBS = -lpthread
 
 export TCL_PATH TCLTK_PATH
 
@@ -316,6 +320,7 @@ BUILT_INS += git-merge-subtree$X
 BUILT_INS += git-peek-remote$X
 BUILT_INS += git-repo-config$X
 BUILT_INS += git-show$X
+BUILT_INS += git-stage$X
 BUILT_INS += git-status$X
 BUILT_INS += git-whatchanged$X
 
@@ -389,6 +394,7 @@ LIB_H += transport.h
 LIB_H += tree.h
 LIB_H += tree-walk.h
 LIB_H += unpack-trees.h
+LIB_H += userdiff.h
 LIB_H += utf8.h
 LIB_H += wt-status.h
 
@@ -435,7 +441,6 @@ LIB_OBJS += grep.o
 LIB_OBJS += hash.o
 LIB_OBJS += help.o
 LIB_OBJS += ident.o
-LIB_OBJS += interpolate.o
 LIB_OBJS += levenshtein.o
 LIB_OBJS += list-objects.o
 LIB_OBJS += ll-merge.o
@@ -485,6 +490,7 @@ LIB_OBJS += tree-diff.o
 LIB_OBJS += tree.o
 LIB_OBJS += tree-walk.o
 LIB_OBJS += unpack-trees.o
+LIB_OBJS += userdiff.o
 LIB_OBJS += usage.o
 LIB_OBJS += utf8.o
 LIB_OBJS += walker.o
@@ -493,6 +499,7 @@ LIB_OBJS += write_or_die.o
 LIB_OBJS += ws.o
 LIB_OBJS += wt-status.o
 LIB_OBJS += xdiff-interface.o
+LIB_OBJS += preload-index.o
 
 BUILTIN_OBJS += builtin-add.o
 BUILTIN_OBJS += builtin-annotate.o
@@ -638,8 +645,7 @@ ifeq ($(uname_S),Darwin)
        endif
        NO_STRLCPY = YesPlease
        NO_MEMMEM = YesPlease
-       COMPAT_CFLAGS += -Icompat/regex
-       COMPAT_OBJS += compat/regex/regex.o
+       THREADED_DELTA_SEARCH = YesPlease
 endif
 ifeq ($(uname_S),SunOS)
        NEEDS_SOCKET = YesPlease
@@ -690,8 +696,11 @@ ifeq ($(uname_S),FreeBSD)
        BASIC_LDFLAGS += -L/usr/local/lib
        DIR_HAS_BSD_GROUP_SEMANTICS = YesPlease
        THREADED_DELTA_SEARCH = YesPlease
-       COMPAT_CFLAGS += -Icompat/regex
-       COMPAT_OBJS += compat/regex/regex.o
+       ifeq ($(shell expr "$(uname_R)" : '4\.'),2)
+               PTHREAD_LIBS = -pthread
+               NO_UINTMAX_T = YesPlease
+               NO_STRTOUMAX = YesPlease
+       endif
 endif
 ifeq ($(uname_S),OpenBSD)
        NO_STRCASESTR = YesPlease
@@ -718,8 +727,11 @@ ifeq ($(uname_S),AIX)
        INTERNAL_QSORT = UnfortunatelyYes
        NEEDS_LIBICONV=YesPlease
        BASIC_CFLAGS += -D_LARGE_FILES
-       COMPAT_CFLAGS += -Icompat/regex
-       COMPAT_OBJS += compat/regex/regex.o
+       ifneq ($(shell expr "$(uname_V)" : '[1234]'),1)
+               THREADED_DELTA_SEARCH = YesPlease
+       else
+               NO_PTHREADS = YesPlease
+       endif
 endif
 ifeq ($(uname_S),GNU)
        # GNU/Hurd
@@ -764,6 +776,7 @@ ifneq (,$(findstring MINGW,$(uname_S)))
        NO_STRCASESTR = YesPlease
        NO_STRLCPY = YesPlease
        NO_MEMMEM = YesPlease
+       NO_PTHREADS = YesPlease
        NEEDS_LIBICONV = YesPlease
        OLD_ICONV = YesPlease
        NO_C99_FORMAT = YesPlease
@@ -953,6 +966,9 @@ endif
 ifdef NO_IPV6
        BASIC_CFLAGS += -DNO_IPV6
 endif
+ifdef NO_UINTMAX_T
+       BASIC_CFLAGS += -Duintmax_t=uint32_t
+endif
 ifdef NO_SOCKADDR_STORAGE
 ifdef NO_IPV6
        BASIC_CFLAGS += -Dsockaddr_storage=sockaddr_in
@@ -1012,9 +1028,15 @@ ifdef INTERNAL_QSORT
        COMPAT_OBJS += compat/qsort.o
 endif
 
+ifdef NO_PTHREADS
+       THREADED_DELTA_SEARCH =
+       BASIC_CFLAGS += -DNO_PTHREADS
+else
+       EXTLIBS += $(PTHREAD_LIBS)
+endif
+
 ifdef THREADED_DELTA_SEARCH
        BASIC_CFLAGS += -DTHREADED_DELTA_SEARCH
-       EXTLIBS += -lpthread
        LIB_OBJS += thread-utils.o
 endif
 ifdef DIR_HAS_BSD_GROUP_SEMANTICS
@@ -1285,6 +1307,9 @@ html:
 info:
        $(MAKE) -C Documentation info
 
+pdf:
+       $(MAKE) -C Documentation pdf
+
 TAGS:
        $(RM) TAGS
        $(FIND) . -name '*.[hcS]' -print | xargs etags -a
@@ -1359,7 +1384,16 @@ check-sha1:: test-sha1$X
        ./test-sha1.sh
 
 check: common-cmds.h
-       for i in *.c; do sparse $(ALL_CFLAGS) $(SPARSE_FLAGS) $$i || exit; done
+       if sparse; \
+       then \
+               for i in *.c; \
+               do \
+                       sparse $(ALL_CFLAGS) $(SPARSE_FLAGS) $$i || exit; \
+               done; \
+       else \
+               echo 2>&1 "Did you mean 'make test'?"; \
+               exit 1; \
+       fi
 
 remove-dashes:
        ./fixup-builtins $(BUILT_INS) $(PROGRAMS) $(SCRIPTS)
@@ -1409,15 +1443,24 @@ endif
 install-doc:
        $(MAKE) -C Documentation install
 
+install-man:
+       $(MAKE) -C Documentation install-man
+
 install-html:
        $(MAKE) -C Documentation install-html
 
 install-info:
        $(MAKE) -C Documentation install-info
 
+install-pdf:
+       $(MAKE) -C Documentation install-pdf
+
 quick-install-doc:
        $(MAKE) -C Documentation quick-install
 
+quick-install-man:
+       $(MAKE) -C Documentation quick-install-man
+
 quick-install-html:
        $(MAKE) -C Documentation quick-install-html