Merge part of jc/portable branch

diff --git a/Makefile b/Makefile
index 3b7fccb..821f637 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -55,6 +55,11 @@ all:
 #
 # Define NO_ICONV if your libc does not properly support iconv.
 #
+# Define NO_ACCURATE_DIFF if your diff program at least sometimes misses
+# a missing newline at the end of the file.
+#
+# Define NO_PYTHON if you want to loose all benefits of the recursive merge.
+#
 # Define COLLISION_CHECK below if you believe that SHA1's
 # 1461501637330902918203684832716283019655932542976 hashes do not give you
 # sufficient guarantee that no collisions between objects will ever happen.
@@ -273,6 +278,16 @@ ifeq ($(uname_S),AIX)
        NO_STRCASESTR=YesPlease
        NEEDS_LIBICONV=YesPlease
 endif
+ifeq ($(uname_S),IRIX64)
+       NO_IPV6=YesPlease
+       NO_SETENV=YesPlease
+       NO_STRCASESTR=YesPlease
+       NO_SOCKADDR_STORAGE=YesPlease
+       SHELL_PATH=/usr/gnu/bin/bash
+       ALL_CFLAGS += -DPATH_MAX=1024
+       # for now, build 32-bit version
+       ALL_LDFLAGS += -L/usr/lib32
+endif
 ifneq (,$(findstring arm,$(uname_M)))
        ARM_SHA1 = YesPlease
 endif
@@ -403,6 +418,9 @@ else
 endif
 endif
 endif
+ifdef NO_ACCURATE_DIFF
+       ALL_CFLAGS += -DNO_ACCURATE_DIFF
+endif
 
 ALL_CFLAGS += -DSHA1_HEADER=$(call shellquote,$(SHA1_HEADER)) $(COMPAT_CFLAGS)
 LIB_OBJS += $(COMPAT_OBJS)
@@ -426,6 +444,7 @@ $(patsubst %.sh,%,$(SCRIPT_SH)) : % : %.sh
        sed -e '1s|#!.*/sh|#!$(call shq,$(SHELL_PATH))|' \
            -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
            -e 's/@@NO_CURL@@/$(NO_CURL)/g' \
+           -e 's/@@NO_PYTHON@@/$(NO_PYTHON)/g' \
            $@.sh >$@
        chmod +x $@
 
@@ -505,6 +524,12 @@ doc:
 
 ### Testing rules
 
+# GNU make supports exporting all variables by "export" without parameters.
+# However, the environment gets quite big, and some programs have problems
+# with that.
+
+export NO_PYTHON
+
 test: all
        $(MAKE) -C t/ all
 

diff --git a/apply.c b/apply.c
index 2ad47fb..1083d4f 100644 (file)
--- a/apply.c
+++ b/apply.c
@@ -1142,6 +1142,14 @@ static int apply_one_fragment(struct buffer_desc *desc, struct fragment *frag)
                size -= len;
        }
 
+#ifdef NO_ACCURATE_DIFF
+       if (oldsize > 0 && old[oldsize - 1] == '\n' &&
+                       newsize > 0 && new[newsize - 1] == '\n') {
+               oldsize--;
+               newsize--;
+       }
+#endif
+                       
        offset = find_offset(buf, desc->size, old, oldsize, frag->newpos);
        if (offset >= 0) {
                int diff = newsize - oldsize;

diff --git a/git-clone.sh b/git-clone.sh
index d184ceb..dc0ad55 100755 (executable)
--- a/git-clone.sh
+++ b/git-clone.sh
@@ -154,7 +154,7 @@ yes,yes)
            fi &&
            rm -f "$GIT_DIR/objects/sample" &&
            cd "$repo" &&
-           find objects -depth -print | cpio -puamd$l "$GIT_DIR/" || exit 1
+           find objects -depth -print | cpio -pumd$l "$GIT_DIR/" || exit 1
            ;;
        yes)
            mkdir -p "$GIT_DIR/objects/info"

diff --git a/git-merge.sh b/git-merge.sh
index 2b4a603..4609fe5 100755 (executable)
--- a/git-merge.sh
+++ b/git-merge.sh
@@ -13,6 +13,10 @@ LF='
 all_strategies='recursive octopus resolve stupid ours'
 default_strategies='recursive'
 use_strategies=
+if test "@@NO_PYTHON@@"; then
+       all_strategies='resolve octopus stupid ours'
+       default_strategies='resolve'
+fi
 
 dropsave() {
        rm -f -- "$GIT_DIR/MERGE_HEAD" "$GIT_DIR/MERGE_MSG" \

diff --git a/t/Makefile b/t/Makefile
index 5c5a620..ba6ddbe 100644 (file)
--- a/t/Makefile
+++ b/t/Makefile
@@ -15,6 +15,10 @@ shellquote = '$(call shq,$(1))'
 
 T = $(wildcard t[0-9][0-9][0-9][0-9]-*.sh)
 
+ifdef NO_PYTHON
+       GIT_TEST_OPTS += --no-python
+endif
+
 all: $(T) clean
 
 $(T):

diff --git a/t/t0000-basic.sh b/t/t0000-basic.sh
index c339a36..6729a18 100755 (executable)
--- a/t/t0000-basic.sh
+++ b/t/t0000-basic.sh
@@ -42,7 +42,7 @@ fi
 
 . ./test-lib.sh
 
-"$PYTHON" -c 'import subprocess' || {
+test "$no_python" || "$PYTHON" -c 'import subprocess' || {
        echo >&2 'Your python seem to lack "subprocess" module.
 Please check INSTALL document.'
        exit 1

diff --git a/t/t6021-merge-criss-cross.sh b/t/t6021-merge-criss-cross.sh
index e8606c7..2623813 100755 (executable)
--- a/t/t6021-merge-criss-cross.sh
+++ b/t/t6021-merge-criss-cross.sh
@@ -10,6 +10,12 @@
 test_description='Test criss-cross merge'
 . ./test-lib.sh
 
+if test "$no_python"; then
+       echo "Skipping: no python => no recursive merge"
+       test_done
+       exit 0
+fi
+
 test_expect_success 'prepare repository' \
 'echo "1
 2

diff --git a/t/t6022-merge-rename.sh b/t/t6022-merge-rename.sh
index 1292caf..a2d24b5 100755 (executable)
--- a/t/t6022-merge-rename.sh
+++ b/t/t6022-merge-rename.sh
@@ -3,6 +3,12 @@
 test_description='Merge-recursive merging renames'
 . ./test-lib.sh
 
+if test "$no_python"; then
+       echo "Skipping: no python => no recursive merge"
+       test_done
+       exit 0
+fi
+
 test_expect_success setup \
 '
 cat >A <<\EOF &&

diff --git a/t/test-lib.sh b/t/test-lib.sh
index 66f62b9..05f6e79 100755 (executable)
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -63,6 +63,8 @@ do
                exit 0 ;;
        -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
                verbose=t; shift ;;
+       --no-python)
+               no_python=t; shift ;;
        *)
                break ;;
        esac