read-cache: refactor read_index_from()

diff --git a/Makefile b/Makefile
index 9d6c24503155471cc66882f6ba2040456a1cf470..05a35ad3b55bc4270150b99c49def71714f1ffe2 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -338,11 +338,6 @@ all::
 #
 # Define NATIVE_CRLF if your platform uses CRLF for line endings.
 #
-# Define XDL_FAST_HASH to use an alternative line-hashing method in
-# the diff algorithm.  It gives a nice speedup if your processor has
-# fast unaligned word loads.  Does NOT work on big-endian systems!
-# Enabled by default on x86_64.
-#
 # Define GIT_USER_AGENT if you want to change how git identifies itself during
 # network interactions.  The default is "git/$(GIT_VERSION)".
 #
@@ -1047,6 +1042,7 @@ ifeq ($(uname_S),Darwin)
                endif
        endif
        ifndef NO_APPLE_COMMON_CRYPTO
+               NO_OPENSSL = YesPlease
                APPLE_COMMON_CRYPTO = YesPlease
                COMPAT_CFLAGS += -DAPPLE_COMMON_CRYPTO
        endif
@@ -1484,10 +1480,6 @@ ifndef NO_MSGFMT_EXTENDED_OPTIONS
        MSGFMT += --check --statistics
 endif
 
-ifneq (,$(XDL_FAST_HASH))
-       BASIC_CFLAGS += -DXDL_FAST_HASH
-endif
-
 ifdef GMTIME_UNRELIABLE_ERRORS
        COMPAT_OBJS += compat/gmtime.o
        BASIC_CFLAGS += -DGMTIME_UNRELIABLE_ERRORS
@@ -2148,9 +2140,22 @@ endif
 po/build/locale/%/LC_MESSAGES/git.mo: po/%.po
        $(QUIET_MSGFMT)mkdir -p $(dir $@) && $(MSGFMT) -o $@ $<
 
-FIND_SOURCE_FILES = ( git ls-files '*.[hcS]' 2>/dev/null || \
-                       $(FIND) . \( -name .git -type d -prune \) \
-                               -o \( -name '*.[hcS]' -type f -print \) )
+FIND_SOURCE_FILES = ( \
+       git ls-files \
+               '*.[hcS]' \
+               '*.sh' \
+               ':!*[tp][0-9][0-9][0-9][0-9]*' \
+               ':!contrib' \
+               2>/dev/null || \
+       $(FIND) . \
+               \( -name .git -type d -prune \) \
+               -o \( -name '[tp][0-9][0-9][0-9][0-9]*' -prune \) \
+               -o \( -name contrib -type d -prune \) \
+               -o \( -name build -type d -prune \) \
+               -o \( -name 'trash*' -type d -prune \) \
+               -o \( -name '*.[hcS]' -type f -print \) \
+               -o \( -name '*.sh' -type f -print \) \
+       )
 
 $(ETAGS_TARGET): FORCE
        $(RM) $(ETAGS_TARGET)