From: Junio C Hamano Date: Thu, 18 Aug 2011 00:36:06 +0000 (-0700) Subject: Merge branch 'rc/histogram-diff' X-Git-Tag: v1.7.7-rc0~25 X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/ca01600306863ecfa8bbef769b8e1386cb149785?ds=inline;hp=-c Merge branch 'rc/histogram-diff' * rc/histogram-diff: xdiff/xhistogram: drop need for additional variable xdiff/xhistogram: rely on xdl_trim_ends() xdiff/xhistogram: rework handling of recursed results xdiff: do away with xdl_mmfile_next() Make test number unique xdiff/xprepare: use a smaller sample size for histogram diff xdiff/xprepare: skip classification teach --histogram to diff t4033-diff-patience: factor out tests xdiff/xpatience: factor out fall-back-diff function xdiff/xprepare: refactor abort cleanups xdiff/xprepare: use memset() --- ca01600306863ecfa8bbef769b8e1386cb149785 diff --combined Makefile index 8dd782fd88,f50d3c7770..89cc6245a7 --- a/Makefile +++ b/Makefile @@@ -30,15 -30,15 +30,15 @@@ all: # Define LIBPCREDIR=/foo/bar if your libpcre header and library files are in # /foo/bar/include and /foo/bar/lib directories. # -# Define NO_CURL if you do not have libcurl installed. git-http-pull and +# Define NO_CURL if you do not have libcurl installed. git-http-fetch and # git-http-push are not built, and you cannot use http:// and https:// -# transports. +# transports (neither smart nor dumb). # # Define CURLDIR=/foo/bar if your curl header and library files are in # /foo/bar/include and /foo/bar/lib directories. # # Define NO_EXPAT if you do not have expat installed. git-http-push is -# not built, and you cannot push using http:// and https:// transports. +# not built, and you cannot push using http:// and https:// transports (dumb). # # Define EXPATDIR=/foo/bar if your expat header and library files are in # /foo/bar/include and /foo/bar/lib directories. @@@ -115,10 -115,6 +115,10 @@@ # # Define NEEDS_SSL_WITH_CRYPTO if you need -lssl when using -lcrypto (Darwin). # +# Define NEEDS_SSL_WITH_CURL if you need -lssl with -lcurl (Minix). +# +# Define NEEDS_IDN_WITH_CURL if you need -lidn when using -lcurl (Minix). +# # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin). # # Define NEEDS_SOCKET if linking with libc is not enough (SunOS, @@@ -157,9 -153,6 +157,9 @@@ # that tells runtime paths to dynamic libraries; # "-Wl,-rpath=/path/lib" is used instead. # +# Define NO_NORETURN if using buggy versions of gcc 4.6+ and profile feedback, +# as the compiler can crash (http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49299) +# # Define USE_NSEC below if you want git to care about sub-second file mtimes # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely @@@ -563,7 -556,6 +563,7 @@@ LIB_H += sha1-lookup. LIB_H += sideband.h LIB_H += sigchain.h LIB_H += strbuf.h +LIB_H += streaming.h LIB_H += string-list.h LIB_H += submodule.h LIB_H += tag.h @@@ -670,7 -662,6 +670,7 @@@ LIB_OBJS += shallow. LIB_OBJS += sideband.o LIB_OBJS += sigchain.o LIB_OBJS += strbuf.o +LIB_OBJS += streaming.o LIB_OBJS += string-list.o LIB_OBJS += submodule.o LIB_OBJS += symlinks.o @@@ -1133,6 -1124,8 +1133,6 @@@ endi X = .exe endif ifeq ($(uname_S),Interix) - NO_SYS_POLL_H = YesPlease - NO_INTTYPES_H = YesPlease NO_INITGROUPS = YesPlease NO_IPV6 = YesPlease NO_MEMMEM = YesPlease @@@ -1143,30 -1136,12 +1143,30 @@@ ifeq ($(uname_R),3.5) NO_INET_NTOP = YesPlease NO_INET_PTON = YesPlease + NO_SOCKADDR_STORAGE = YesPlease + NO_FNMATCH_CASEFOLD = YesPlease endif ifeq ($(uname_R),5.2) NO_INET_NTOP = YesPlease NO_INET_PTON = YesPlease + NO_SOCKADDR_STORAGE = YesPlease + NO_FNMATCH_CASEFOLD = YesPlease endif endif +ifeq ($(uname_S),Minix) + NO_IPV6 = YesPlease + NO_ST_BLOCKS_IN_STRUCT_STAT = YesPlease + NO_NSEC = YesPlease + NEEDS_LIBGEN = + NEEDS_CRYPTO_WITH_SSL = YesPlease + NEEDS_IDN_WITH_CURL = YesPlease + NEEDS_SSL_WITH_CURL = YesPlease + NEEDS_RESOLV = + NO_HSTRERROR = YesPlease + NO_MMAP = YesPlease + NO_CURL = + NO_EXPAT = +endif ifneq (,$(findstring MINGW,$(uname_S))) pathsep = ; NO_PREAD = YesPlease @@@ -1311,16 -1286,6 +1311,16 @@@ els else CURL_LIBCURL = -lcurl endif + ifdef NEEDS_SSL_WITH_CURL + CURL_LIBCURL += -lssl + ifdef NEEDS_CRYPTO_WITH_SSL + CURL_LIBCURL += -lcrypto + endif + endif + ifdef NEEDS_IDN_WITH_CURL + CURL_LIBCURL += -lidn + endif + REMOTE_CURL_PRIMARY = git-remote-http$X REMOTE_CURL_ALIASES = git-remote-https$X git-remote-ftp$X git-remote-ftps$X REMOTE_CURL_NAMES = $(REMOTE_CURL_PRIMARY) $(REMOTE_CURL_ALIASES) @@@ -1357,7 -1322,7 +1357,7 @@@ ifndef NO_OPENSS OPENSSL_LINK = endif ifdef NEEDS_CRYPTO_WITH_SSL - OPENSSL_LINK += -lcrypto + OPENSSL_LIBSSL += -lcrypto endif else BASIC_CFLAGS += -DNO_OPENSSL @@@ -1409,9 -1374,6 +1409,9 @@@ endi ifdef USE_ST_TIMESPEC BASIC_CFLAGS += -DUSE_ST_TIMESPEC endif +ifdef NO_NORETURN + BASIC_CFLAGS += -DNO_NORETURN +endif ifdef NO_NSEC BASIC_CFLAGS += -DNO_NSEC endif @@@ -1744,7 -1706,7 +1744,7 @@@ git.sp git.s git.o: EXTRA_CPPFLAGS = -D '-DGIT_MAN_PATH="$(mandir_SQ)"' \ '-DGIT_INFO_PATH="$(infodir_SQ)"' -git$X: git.o $(BUILTIN_OBJS) $(GITLIBS) +git$X: git.o GIT-LDFLAGS $(BUILTIN_OBJS) $(GITLIBS) $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ git.o \ $(BUILTIN_OBJS) $(ALL_LDFLAGS) $(LIBS) @@@ -1876,7 -1838,7 +1876,7 @@@ ifndef NO_CUR GIT_OBJS += http.o http-walker.o remote-curl.o endif XDIFF_OBJS = xdiff/xdiffi.o xdiff/xprepare.o xdiff/xutils.o xdiff/xemit.o \ - xdiff/xmerge.o xdiff/xpatience.o + xdiff/xmerge.o xdiff/xpatience.o xdiff/xhistogram.o VCSSVN_OBJS = vcs-svn/string_pool.o vcs-svn/line_buffer.o \ vcs-svn/repo_tree.o vcs-svn/fast_export.o vcs-svn/svndump.o VCSSVN_TEST_OBJS = test-obj-pool.o test-string-pool.o \ @@@ -2042,17 -2004,17 +2042,17 @@@ compat/nedmalloc/nedmalloc.sp compat/ne -DNDEBUG -DOVERRIDE_STRDUP -DREPLACE_SYSTEM_ALLOCATOR endif -git-%$X: %.o $(GITLIBS) +git-%$X: %.o GIT-LDFLAGS $(GITLIBS) $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS) -git-imap-send$X: imap-send.o $(GITLIBS) +git-imap-send$X: imap-send.o GIT-LDFLAGS $(GITLIBS) $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \ $(LIBS) $(OPENSSL_LINK) $(OPENSSL_LIBSSL) $(LIB_4_CRYPTO) -git-http-fetch$X: revision.o http.o http-walker.o http-fetch.o $(GITLIBS) +git-http-fetch$X: revision.o http.o http-walker.o http-fetch.o GIT-LDFLAGS $(GITLIBS) $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \ $(LIBS) $(CURL_LIBCURL) -git-http-push$X: revision.o http.o http-push.o $(GITLIBS) +git-http-push$X: revision.o http.o http-push.o GIT-LDFLAGS $(GITLIBS) $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \ $(LIBS) $(CURL_LIBCURL) $(EXPAT_LIBEXPAT) @@@ -2062,7 -2024,7 +2062,7 @@@ $(REMOTE_CURL_ALIASES): $(REMOTE_CURL_P ln -s $< $@ 2>/dev/null || \ cp $< $@ -$(REMOTE_CURL_PRIMARY): remote-curl.o http.o http-walker.o $(GITLIBS) +$(REMOTE_CURL_PRIMARY): remote-curl.o http.o http-walker.o GIT-LDFLAGS $(GITLIBS) $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \ $(LIBS) $(CURL_LIBCURL) $(EXPAT_LIBEXPAT) @@@ -2132,15 -2094,6 +2132,15 @@@ GIT-CFLAGS: FORC echo "$$FLAGS" >GIT-CFLAGS; \ fi +TRACK_LDFLAGS = $(subst ','\'',$(ALL_LDFLAGS)) + +GIT-LDFLAGS: FORCE + @FLAGS='$(TRACK_LDFLAGS)'; \ + if test x"$$FLAGS" != x"`cat GIT-LDFLAGS 2>/dev/null`" ; then \ + echo 1>&2 " * new link flags"; \ + echo "$$FLAGS" >GIT-LDFLAGS; \ + fi + # We need to apply sq twice, once to protect from the shell # that runs GIT-BUILD-OPTIONS, and then again to protect it # and the first level quoting from the shell that runs "echo". @@@ -2212,7 -2165,7 +2212,7 @@@ test-svn-fe$X: vcs-svn/lib. .PRECIOUS: $(TEST_OBJS) -test-%$X: test-%.o $(GITLIBS) +test-%$X: test-%.o GIT-LDFLAGS $(GITLIBS) $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(filter %.a,$^) $(LIBS) check-sha1:: test-sha1$X @@@ -2422,7 -2375,7 +2422,7 @@@ ifndef NO_TCLT $(MAKE) -C gitk-git clean $(MAKE) -C git-gui clean endif - $(RM) GIT-VERSION-FILE GIT-CFLAGS GIT-GUI-VARS GIT-BUILD-OPTIONS + $(RM) GIT-VERSION-FILE GIT-CFLAGS GIT-LDFLAGS GIT-GUI-VARS GIT-BUILD-OPTIONS .PHONY: all install clean strip .PHONY: shell_compatibility_test please_set_SHELL_PATH_to_a_more_modern_shell @@@ -2533,19 -2486,3 +2533,19 @@@ cover_db: coverage-repor cover_db_html: cover_db cover -report html -outputdir cover_db_html cover_db + +### profile feedback build +# +.PHONY: profile-all profile-clean + +PROFILE_GEN_CFLAGS := $(CFLAGS) -fprofile-generate -DNO_NORETURN=1 +PROFILE_USE_CFLAGS := $(CFLAGS) -fprofile-use -fprofile-correction -DNO_NORETURN=1 + +profile-clean: + $(RM) $(addsuffix *.gcda,$(object_dirs)) + $(RM) $(addsuffix *.gcno,$(object_dirs)) + +profile-all: profile-clean + $(MAKE) CFLAGS="$(PROFILE_GEN_CFLAGS)" all + $(MAKE) CFLAGS="$(PROFILE_GEN_CFLAGS)" -j1 test + $(MAKE) CFLAGS="$(PROFILE_USE_CFLAGS)" all diff --combined diff.c index 93ef9a265c,1b940ee72e..d3d8daec77 --- a/diff.c +++ b/diff.c @@@ -1316,10 -1316,9 +1316,10 @@@ static void show_stats(struct diffstat_ int i, len, add, del, adds = 0, dels = 0; uintmax_t max_change = 0, max_len = 0; int total_files = data->nr; - int width, name_width; + int width, name_width, count; const char *reset, *add_c, *del_c; const char *line_prefix = ""; + int extra_shown = 0; struct strbuf *msg = NULL; if (data->nr == 0) @@@ -1332,7 -1331,6 +1332,7 @@@ width = options->stat_width ? options->stat_width : 80; name_width = options->stat_name_width ? options->stat_name_width : 50; + count = options->stat_count ? options->stat_count : data->nr; /* Sanity: give at least 5 columns to the graph, * but leave at least 10 columns for the name. @@@ -1349,14 -1347,9 +1349,14 @@@ add_c = diff_get_color_opt(options, DIFF_FILE_NEW); del_c = diff_get_color_opt(options, DIFF_FILE_OLD); - for (i = 0; i < data->nr; i++) { + for (i = 0; (i < count) && (i < data->nr); i++) { struct diffstat_file *file = data->files[i]; uintmax_t change = file->added + file->deleted; + if (!data->files[i]->is_renamed && + (change == 0)) { + count++; /* not shown == room for one more */ + continue; + } fill_print_name(file); len = strlen(file->print_name); if (max_len < len) @@@ -1367,7 -1360,6 +1367,7 @@@ if (max_change < change) max_change = change; } + count = i; /* min(count, data->nr) */ /* Compute the width of the graph part; * 10 is for one blank at the beginning of the line plus @@@ -1382,18 -1374,13 +1382,18 @@@ else width = max_change; - for (i = 0; i < data->nr; i++) { + for (i = 0; i < count; i++) { const char *prefix = ""; char *name = data->files[i]->print_name; uintmax_t added = data->files[i]->added; uintmax_t deleted = data->files[i]->deleted; int name_len; + if (!data->files[i]->is_renamed && + (added + deleted == 0)) { + total_files--; + continue; + } /* * "scale" the filename */ @@@ -1428,6 -1415,11 +1428,6 @@@ fprintf(options->file, " Unmerged\n"); continue; } - else if (!data->files[i]->is_renamed && - (added + deleted == 0)) { - total_files--; - continue; - } /* * scale the add/delete @@@ -1449,20 -1441,6 +1449,20 @@@ show_graph(options->file, '-', del, del_c, reset); fprintf(options->file, "\n"); } + for (i = count; i < data->nr; i++) { + uintmax_t added = data->files[i]->added; + uintmax_t deleted = data->files[i]->deleted; + if (!data->files[i]->is_renamed && + (added + deleted == 0)) { + total_files--; + continue; + } + adds += added; + dels += deleted; + if (!extra_shown) + fprintf(options->file, "%s ...\n", line_prefix); + extra_shown = 1; + } fprintf(options->file, "%s", line_prefix); fprintf(options->file, " %d files changed, %d insertions(+), %d deletions(-)\n", @@@ -1861,20 -1839,20 +1861,20 @@@ static unsigned char *deflate_it(char * { int bound; unsigned char *deflated; - z_stream stream; + git_zstream stream; memset(&stream, 0, sizeof(stream)); - deflateInit(&stream, zlib_compression_level); - bound = deflateBound(&stream, size); + git_deflate_init(&stream, zlib_compression_level); + bound = git_deflate_bound(&stream, size); deflated = xmalloc(bound); stream.next_out = deflated; stream.avail_out = bound; stream.next_in = (unsigned char *)data; stream.avail_in = size; - while (deflate(&stream, Z_FINISH) == Z_OK) + while (git_deflate(&stream, Z_FINISH) == Z_OK) ; /* nothing */ - deflateEnd(&stream); + git_deflate_end(&stream); *result_size = stream.total_out; return deflated; } @@@ -2006,7 -1984,19 +2006,7 @@@ struct userdiff_driver *get_textconv(st return NULL; diff_filespec_load_driver(one); - if (!one->driver->textconv) - return NULL; - - if (one->driver->textconv_want_cache && !one->driver->textconv_cache) { - struct notes_cache *c = xmalloc(sizeof(*c)); - struct strbuf name = STRBUF_INIT; - - strbuf_addf(&name, "textconv/%s", one->driver->name); - notes_cache_init(c, name.buf, one->driver->textconv); - one->driver->textconv_cache = c; - } - - return one->driver; + return userdiff_get_textconv(one->driver); } static void builtin_diff(const char *name_a, @@@ -3230,7 -3220,6 +3230,7 @@@ static int stat_opt(struct diff_option char *end; int width = options->stat_width; int name_width = options->stat_name_width; + int count = options->stat_count; int argcount = 1; arg += strlen("--stat"); @@@ -3258,24 -3247,12 +3258,24 @@@ name_width = strtoul(av[1], &end, 10); argcount = 2; } + } else if (!prefixcmp(arg, "-count")) { + arg += strlen("-count"); + if (*arg == '=') + count = strtoul(arg + 1, &end, 10); + else if (!*arg && !av[1]) + die("Option '--stat-count' requires a value"); + else if (!*arg) { + count = strtoul(av[1], &end, 10); + argcount = 2; + } } break; case '=': width = strtoul(arg+1, &end, 10); if (*end == ',') name_width = strtoul(end+1, &end, 10); + if (*end == ',') + count = strtoul(end+1, &end, 10); } /* Important! This checks all the error cases! */ @@@ -3284,7 -3261,6 +3284,7 @@@ options->output_format |= DIFF_FORMAT_DIFFSTAT; options->stat_name_width = name_width; options->stat_width = width; + options->stat_count = count; return argcount; } @@@ -3349,7 -3325,7 +3349,7 @@@ int diff_opt_parse(struct diff_options else if (!strcmp(arg, "-s")) options->output_format |= DIFF_FORMAT_NO_OUTPUT; else if (!prefixcmp(arg, "--stat")) - /* --stat, --stat-width, or --stat-name-width */ + /* --stat, --stat-width, --stat-name-width, or --stat-count */ return stat_opt(options, av); /* renames options */ @@@ -3393,6 -3369,8 +3393,8 @@@ DIFF_XDL_SET(options, IGNORE_WHITESPACE_AT_EOL); else if (!strcmp(arg, "--patience")) DIFF_XDL_SET(options, PATIENCE_DIFF); + else if (!strcmp(arg, "--histogram")) + DIFF_XDL_SET(options, HISTOGRAM_DIFF); /* flags options */ else if (!strcmp(arg, "--binary")) {