From: Junio C Hamano Date: Sun, 2 Jun 2013 23:00:44 +0000 (-0700) Subject: Merge branch 'tr/line-log' X-Git-Tag: v1.8.4-rc0~225 X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/ed73fe56428eecd2b635473f6a517a183c4713a3?ds=inline;hp=-c Merge branch 'tr/line-log' * tr/line-log: git-log(1): remove --full-line-diff description line-log: fix documentation formatting log -L: improve comments in process_all_files() log -L: store the path instead of a diff_filespec log -L: test merge of parallel modify/rename t4211: pass -M to 'git log -M -L...' test log -L: fix overlapping input ranges log -L: check range set invariants when we look it up Speed up log -L... -M log -L: :pattern:file syntax to find by funcname Implement line-history search (git log -L) Export rewrite_parents() for 'log -L' Refactor parse_loc --- ed73fe56428eecd2b635473f6a517a183c4713a3 diff --combined Documentation/git-log.txt index a976534ab8,65707ce13c..4687fe8192 --- a/Documentation/git-log.txt +++ b/Documentation/git-log.txt @@@ -9,7 -9,7 +9,7 @@@ git-log - Show commit log SYNOPSIS -------- [verse] -'git log' [] [..] [[\--] ...] +'git log' [] [] [[\--] ...] DESCRIPTION ----------- @@@ -24,6 -24,13 +24,6 @@@ each commit introduces are shown OPTIONS ------- -..:: - Show only commits between the named two commits. When - either or is omitted, it defaults to - `HEAD`, i.e. the tip of the current branch. - For a more complete list of ways to spell - and , see linkgit:gitrevisions[7]. - --follow:: Continue listing the history of a file beyond renames (works only for a single file). @@@ -62,23 -69,27 +62,36 @@@ produced by --stat etc Note that only message is considered, if also a diff is shown its size is not included. + -L ,:, -L :::: + + Trace the evolution of the line range given by "," + (or the funcname regex ) within the . You may + not give any pathspec limiters. This is currently limited to + a walk starting from a single revision, i.e., you may only + give zero or one positive revision arguments. + You can specify this option more than once. + + + and can take one of these forms: + + include::line-range-format.txt[] + +:: + Show only commits in the specified revision range. When no + is specified, it defaults to `HEAD` (i.e. the + whole history leading to the current commit). `origin..HEAD` + specifies all the commits reachable from the current commit + (i.e. `HEAD`), but not from `origin`. For a complete list of + ways to spell , see the "Specifying Ranges" + section of linkgit:gitrevisions[7]. + [\--] ...:: Show only commits that are enough to explain how the files that match the specified paths came to be. See "History Simplification" below for details and other simplification modes. + -To prevent confusion with options and branch names, paths may need to -be prefixed with "\-- " to separate them from options or refnames. +Paths may need to be prefixed with "\-- " to separate them from +options or the revision range, when confusion arises. include::rev-list-options.txt[] @@@ -140,6 -151,11 +153,11 @@@ Example This makes sense only when following a strict policy of merging all topic branches when staying on a single integration branch. + git log -L '/int main/',/^}/:main.c:: + + Shows how the function `main()` in the file 'main.c' evolved + over time. + `git log -3`:: Limits the number of commits to show to 3. diff --combined Makefile index 35e3f7dd81,761c698a62..985598b014 --- a/Makefile +++ b/Makefile @@@ -69,9 -69,6 +69,9 @@@ all: # Define NO_MSGFMT_EXTENDED_OPTIONS if your implementation of msgfmt # doesn't support GNU extensions like --check and --statistics # +# Define NEEDS_CLIPPED_WRITE if your write(2) cannot write more than +# INT_MAX bytes at once (e.g. MacOS X). +# # Define HAVE_PATHS_H if you have paths.h and want to use the default PATH # it specifies. # @@@ -140,10 -137,6 +140,10 @@@ # specify your own (or DarwinPort's) include directories and # library directories by defining CFLAGS and LDFLAGS appropriately. # +# Define NO_APPLE_COMMON_CRYPTO if you are building on Darwin/Mac OS X +# and do not want to use Apple's CommonCrypto library. This allows you +# to provide your own OpenSSL library, for example from MacPorts. +# # Define BLK_SHA1 environment variable to make use of the bundled # optimized C SHA1 routine. # @@@ -365,39 -358,33 +365,39 @@@ STRIP ?= stri # Among the variables below, these: # gitexecdir # template_dir -# mandir -# infodir -# htmldir # sysconfdir # can be specified as a relative path some/where/else; # this is interpreted as relative to $(prefix) and "git" at # runtime figures out where they are based on the path to the executable. +# Additionally, the following will be treated as relative by "git" if they +# begin with "$(prefix)/": +# mandir +# infodir +# htmldir # This can help installing the suite in a relocatable way. prefix = $(HOME) bindir_relative = bin bindir = $(prefix)/$(bindir_relative) -mandir = share/man -infodir = share/info +mandir = $(prefix)/share/man +infodir = $(prefix)/share/info gitexecdir = libexec/git-core mergetoolsdir = $(gitexecdir)/mergetools sharedir = $(prefix)/share gitwebdir = $(sharedir)/gitweb localedir = $(sharedir)/locale template_dir = share/git-core/templates -htmldir = share/doc/git-doc +htmldir = $(prefix)/share/doc/git-doc ETC_GITCONFIG = $(sysconfdir)/gitconfig ETC_GITATTRIBUTES = $(sysconfdir)/gitattributes lib = lib # DESTDIR = pathsep = : +mandir_relative = $(patsubst $(prefix)/%,%,$(mandir)) +infodir_relative = $(patsubst $(prefix)/%,%,$(infodir)) +htmldir_relative = $(patsubst $(prefix)/%,%,$(htmldir)) + export prefix bindir sharedir sysconfdir gitwebdir localedir CC = cc @@@ -467,7 -454,6 +467,7 @@@ SCRIPT_SH += git-mergetool.s SCRIPT_SH += git-pull.sh SCRIPT_SH += git-quiltimport.sh SCRIPT_SH += git-rebase.sh +SCRIPT_SH += git-remote-testgit.sh SCRIPT_SH += git-repack.sh SCRIPT_SH += git-request-pull.sh SCRIPT_SH += git-stash.sh @@@ -631,6 -617,22 +631,6 @@@ LIB_FILE = libgit. XDIFF_LIB = xdiff/lib.a VCSSVN_LIB = vcs-svn/lib.a -LIB_H += xdiff/xinclude.h -LIB_H += xdiff/xmacros.h -LIB_H += xdiff/xdiff.h -LIB_H += xdiff/xtypes.h -LIB_H += xdiff/xutils.h -LIB_H += xdiff/xprepare.h -LIB_H += xdiff/xdiffi.h -LIB_H += xdiff/xemit.h - -LIB_H += vcs-svn/line_buffer.h -LIB_H += vcs-svn/sliding_window.h -LIB_H += vcs-svn/repo_tree.h -LIB_H += vcs-svn/fast_export.h -LIB_H += vcs-svn/svndiff.h -LIB_H += vcs-svn/svndump.h - GENERATED_H += common-cmds.h LIB_H += advice.h @@@ -681,6 -683,8 +681,8 @@@ LIB_H += help. LIB_H += http.h LIB_H += kwset.h LIB_H += levenshtein.h + LIB_H += line-log.h + LIB_H += line-range.h LIB_H += list-objects.h LIB_H += ll-merge.h LIB_H += log-tree.h @@@ -692,6 -696,7 +694,6 @@@ LIB_H += notes-cache. LIB_H += notes-merge.h LIB_H += notes.h LIB_H += object.h -LIB_H += pack-refs.h LIB_H += pack-revindex.h LIB_H += pack.h LIB_H += parse-options.h @@@ -731,24 -736,11 +733,24 @@@ LIB_H += url. LIB_H += userdiff.h LIB_H += utf8.h LIB_H += varint.h +LIB_H += vcs-svn/fast_export.h +LIB_H += vcs-svn/line_buffer.h +LIB_H += vcs-svn/repo_tree.h +LIB_H += vcs-svn/sliding_window.h +LIB_H += vcs-svn/svndiff.h +LIB_H += vcs-svn/svndump.h LIB_H += walker.h LIB_H += wildmatch.h LIB_H += wt-status.h LIB_H += xdiff-interface.h LIB_H += xdiff/xdiff.h +LIB_H += xdiff/xdiffi.h +LIB_H += xdiff/xemit.h +LIB_H += xdiff/xinclude.h +LIB_H += xdiff/xmacros.h +LIB_H += xdiff/xprepare.h +LIB_H += xdiff/xtypes.h +LIB_H += xdiff/xutils.h LIB_OBJS += abspath.o LIB_OBJS += advice.o @@@ -808,6 -800,8 +810,8 @@@ LIB_OBJS += hex. LIB_OBJS += ident.o LIB_OBJS += kwset.o LIB_OBJS += levenshtein.o + LIB_OBJS += line-log.o + LIB_OBJS += line-range.o LIB_OBJS += list-objects.o LIB_OBJS += ll-merge.o LIB_OBJS += lockfile.o @@@ -824,6 -818,7 +828,6 @@@ LIB_OBJS += notes-cache. LIB_OBJS += notes-merge.o LIB_OBJS += object.o LIB_OBJS += pack-check.o -LIB_OBJS += pack-refs.o LIB_OBJS += pack-revindex.o LIB_OBJS += pack-write.o LIB_OBJS += pager.o @@@ -1060,11 -1055,6 +1064,11 @@@ ifeq ($(uname_S),Darwin BASIC_LDFLAGS += -L/opt/local/lib endif endif + ifndef NO_APPLE_COMMON_CRYPTO + APPLE_COMMON_CRYPTO = YesPlease + COMPAT_CFLAGS += -DAPPLE_COMMON_CRYPTO + endif + NO_REGEX = YesPlease PTHREAD_LIBS = endif @@@ -1398,17 -1388,11 +1402,17 @@@ ifdef PPC_SHA SHA1_HEADER = "ppc/sha1.h" LIB_OBJS += ppc/sha1.o ppc/sha1ppc.o LIB_H += ppc/sha1.h +else +ifdef APPLE_COMMON_CRYPTO + COMPAT_CFLAGS += -DCOMMON_DIGEST_FOR_OPENSSL + SHA1_HEADER = else SHA1_HEADER = EXTLIBS += $(LIB_4_CRYPTO) endif endif +endif + ifdef NO_PERL_MAKEMAKER export NO_PERL_MAKEMAKER endif @@@ -1483,11 -1467,6 +1487,11 @@@ ifndef NO_MSGFMT_EXTENDED_OPTION MSGFMT += --check --statistics endif +ifdef NEEDS_CLIPPED_WRITE + BASIC_CFLAGS += -DNEEDS_CLIPPED_WRITE + COMPAT_OBJS += compat/clipped-write.o +endif + ifneq (,$(XDL_FAST_HASH)) BASIC_CFLAGS += -DXDL_FAST_HASH endif @@@ -1567,12 -1546,12 +1571,12 @@@ ETC_GITATTRIBUTES_SQ = $(subst ','\'',$ DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) bindir_SQ = $(subst ','\'',$(bindir)) bindir_relative_SQ = $(subst ','\'',$(bindir_relative)) -mandir_SQ = $(subst ','\'',$(mandir)) -infodir_SQ = $(subst ','\'',$(infodir)) +mandir_relative_SQ = $(subst ','\'',$(mandir_relative)) +infodir_relative_SQ = $(subst ','\'',$(infodir_relative)) localedir_SQ = $(subst ','\'',$(localedir)) gitexecdir_SQ = $(subst ','\'',$(gitexecdir)) template_dir_SQ = $(subst ','\'',$(template_dir)) -htmldir_SQ = $(subst ','\'',$(htmldir)) +htmldir_relative_SQ = $(subst ','\'',$(htmldir_relative)) prefix_SQ = $(subst ','\'',$(prefix)) gitwebdir_SQ = $(subst ','\'',$(gitwebdir)) @@@ -1704,9 -1683,9 +1708,9 @@@ strip: $(PROGRAMS) git$ git.sp git.s git.o: GIT-PREFIX git.sp git.s git.o: EXTRA_CPPFLAGS = \ - '-DGIT_HTML_PATH="$(htmldir_SQ)"' \ - '-DGIT_MAN_PATH="$(mandir_SQ)"' \ - '-DGIT_INFO_PATH="$(infodir_SQ)"' + '-DGIT_HTML_PATH="$(htmldir_relative_SQ)"' \ + '-DGIT_MAN_PATH="$(mandir_relative_SQ)"' \ + '-DGIT_INFO_PATH="$(infodir_relative_SQ)"' git$X: git.o GIT-LDFLAGS $(BUILTIN_OBJS) $(GITLIBS) $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ git.o \ @@@ -1716,9 -1695,9 +1720,9 @@@ help.sp help.s help.o: common-cmds. builtin/help.sp builtin/help.s builtin/help.o: common-cmds.h GIT-PREFIX builtin/help.sp builtin/help.s builtin/help.o: EXTRA_CPPFLAGS = \ - '-DGIT_HTML_PATH="$(htmldir_SQ)"' \ - '-DGIT_MAN_PATH="$(mandir_SQ)"' \ - '-DGIT_INFO_PATH="$(infodir_SQ)"' + '-DGIT_HTML_PATH="$(htmldir_relative_SQ)"' \ + '-DGIT_MAN_PATH="$(mandir_relative_SQ)"' \ + '-DGIT_INFO_PATH="$(infodir_relative_SQ)"' version.sp version.s version.o: GIT-VERSION-FILE GIT-USER-AGENT version.sp version.s version.o: EXTRA_CPPFLAGS = \ @@@ -2026,7 -2005,6 +2030,7 @@@ endi ifdef USE_NED_ALLOCATOR compat/nedmalloc/nedmalloc.sp compat/nedmalloc/nedmalloc.o: EXTRA_CPPFLAGS = \ -DNDEBUG -DOVERRIDE_STRDUP -DREPLACE_SYSTEM_ALLOCATOR +compat/nedmalloc/nedmalloc.sp: SPARSE_FLAGS += -Wno-non-pointer-null endif git-%$X: %.o GIT-LDFLAGS $(GITLIBS) @@@ -2182,9 -2160,6 +2186,9 @@@ GIT-BUILD-OPTIONS: FORC @echo NO_PERL=\''$(subst ','\'',$(subst ','\'',$(NO_PERL)))'\' >>$@ @echo NO_PYTHON=\''$(subst ','\'',$(subst ','\'',$(NO_PYTHON)))'\' >>$@ @echo NO_UNIX_SOCKETS=\''$(subst ','\'',$(subst ','\'',$(NO_UNIX_SOCKETS)))'\' >>$@ +ifdef TEST_OUTPUT_DIRECTORY + @echo TEST_OUTPUT_DIRECTORY=\''$(subst ','\'',$(subst ','\'',$(TEST_OUTPUT_DIRECTORY)))'\' >>$@ +endif ifdef GIT_TEST_OPTS @echo GIT_TEST_OPTS=\''$(subst ','\'',$(subst ','\'',$(GIT_TEST_OPTS)))'\' >>$@ endif @@@ -2469,7 -2444,7 +2473,7 @@@ profile-clean $(RM) $(addsuffix *.gcda,$(addprefix $(PROFILE_DIR)/, $(object_dirs))) $(RM) $(addsuffix *.gcno,$(addprefix $(PROFILE_DIR)/, $(object_dirs))) -clean: profile-clean +clean: profile-clean coverage-clean $(RM) *.o block-sha1/*.o ppc/*.o compat/*.o compat/*/*.o xdiff/*.o vcs-svn/*.o \ builtin/*.o $(LIB_FILE) $(XDIFF_LIB) $(VCSSVN_LIB) $(RM) $(ALL_PROGRAMS) $(SCRIPT_LIB) $(BUILT_INS) git$X @@@ -2550,34 -2525,29 +2554,34 @@@ check-builtins: ### Test suite coverage testing # -.PHONY: coverage coverage-clean coverage-build coverage-report +.PHONY: coverage coverage-clean coverage-compile coverage-test coverage-report +.PHONY: coverage-clean-results coverage: - $(MAKE) coverage-build - $(MAKE) coverage-report + $(MAKE) coverage-test + $(MAKE) coverage-untested-functions object_dirs := $(sort $(dir $(OBJECTS))) -coverage-clean: +coverage-clean-results: $(RM) $(addsuffix *.gcov,$(object_dirs)) $(RM) $(addsuffix *.gcda,$(object_dirs)) - $(RM) $(addsuffix *.gcno,$(object_dirs)) $(RM) coverage-untested-functions $(RM) -r cover_db/ $(RM) -r cover_db_html/ +coverage-clean: coverage-clean-results + $(RM) $(addsuffix *.gcno,$(object_dirs)) + COVERAGE_CFLAGS = $(CFLAGS) -O0 -ftest-coverage -fprofile-arcs COVERAGE_LDFLAGS = $(CFLAGS) -O0 -lgcov GCOVFLAGS = --preserve-paths --branch-probabilities --all-blocks -coverage-build: coverage-clean +coverage-compile: $(MAKE) CFLAGS="$(COVERAGE_CFLAGS)" LDFLAGS="$(COVERAGE_LDFLAGS)" all + +coverage-test: coverage-clean-results coverage-compile $(MAKE) CFLAGS="$(COVERAGE_CFLAGS)" LDFLAGS="$(COVERAGE_LDFLAGS)" \ - -j1 test + DEFAULT_TEST_TARGET=test -j1 test coverage-report: $(QUIET_GCOV)for dir in $(object_dirs); do \ diff --combined builtin/blame.c index 57a487e052,1c09d552fa..079dcd3407 --- a/builtin/blame.c +++ b/builtin/blame.c @@@ -21,6 -21,7 +21,7 @@@ #include "parse-options.h" #include "utf8.h" #include "userdiff.h" + #include "line-range.h" static char blame_usage[] = N_("git blame [options] [rev-opts] [rev] [--] file"); @@@ -566,11 -567,16 +567,16 @@@ static void dup_entry(struct blame_entr dst->score = 0; } - static const char *nth_line(struct scoreboard *sb, int lno) + static const char *nth_line(struct scoreboard *sb, long lno) { return sb->final_buf + sb->lineno[lno]; } + static const char *nth_line_cb(void *data, long lno) + { + return nth_line((struct scoreboard *)data, lno); + } + /* * It is known that lines between tlno to same came from parent, and e * has an overlap with that range. it also is known that parent's @@@ -1375,15 -1381,10 +1381,15 @@@ static void get_ac_line(const char *inb maillen = ident.mail_end - ident.mail_begin; mailbuf = ident.mail_begin; - *time = strtoul(ident.date_begin, NULL, 10); + if (ident.date_begin && ident.date_end) + *time = strtoul(ident.date_begin, NULL, 10); + else + *time = 0; - len = ident.tz_end - ident.tz_begin; - strbuf_add(tz, ident.tz_begin, len); + if (ident.tz_begin && ident.tz_end) + strbuf_add(tz, ident.tz_begin, ident.tz_end - ident.tz_begin); + else + strbuf_addstr(tz, "(unknown)"); /* * Now, convert both name and e-mail using mailmap @@@ -1430,7 -1431,7 +1436,7 @@@ static void get_commit_info(struct comm commit_info_init(ret); encoding = get_log_output_encoding(); - message = logmsg_reencode(commit, encoding); + message = logmsg_reencode(commit, NULL, encoding); get_ac_line(message, "\nauthor ", &ret->author, &ret->author_mail, &ret->author_time, &ret->author_tz); @@@ -1931,83 -1932,6 +1937,6 @@@ static const char *add_prefix(const cha return prefix_path(prefix, prefix ? strlen(prefix) : 0, path); } - /* - * Parsing of (comma separated) one item in the -L option - */ - static const char *parse_loc(const char *spec, - struct scoreboard *sb, long lno, - long begin, long *ret) - { - char *term; - const char *line; - long num; - int reg_error; - regex_t regexp; - regmatch_t match[1]; - - /* Allow "-L ,+20" to mean starting at - * for 20 lines, or "-L ,-5" for 5 lines ending at - * . - */ - if (1 < begin && (spec[0] == '+' || spec[0] == '-')) { - num = strtol(spec + 1, &term, 10); - if (term != spec + 1) { - if (spec[0] == '-') - num = 0 - num; - if (0 < num) - *ret = begin + num - 2; - else if (!num) - *ret = begin; - else - *ret = begin + num; - return term; - } - return spec; - } - num = strtol(spec, &term, 10); - if (term != spec) { - *ret = num; - return term; - } - if (spec[0] != '/') - return spec; - - /* it could be a regexp of form /.../ */ - for (term = (char *) spec + 1; *term && *term != '/'; term++) { - if (*term == '\\') - term++; - } - if (*term != '/') - return spec; - - /* try [spec+1 .. term-1] as regexp */ - *term = 0; - begin--; /* input is in human terms */ - line = nth_line(sb, begin); - - if (!(reg_error = regcomp(®exp, spec + 1, REG_NEWLINE)) && - !(reg_error = regexec(®exp, line, 1, match, 0))) { - const char *cp = line + match[0].rm_so; - const char *nline; - - while (begin++ < lno) { - nline = nth_line(sb, begin); - if (line <= cp && cp < nline) - break; - line = nline; - } - *ret = begin; - regfree(®exp); - *term++ = '/'; - return term; - } - else { - char errbuf[1024]; - regerror(reg_error, ®exp, errbuf, 1024); - die("-L parameter '%s': %s", spec + 1, errbuf); - } - } - /* * Parsing of -L option */ @@@ -2016,15 -1940,7 +1945,7 @@@ static void prepare_blame_range(struct long lno, long *bottom, long *top) { - const char *term; - - term = parse_loc(bottomtop, sb, lno, 1, bottom); - if (*term == ',') { - term = parse_loc(term + 1, sb, lno, *bottom + 1, top); - if (*term) - usage(blame_usage); - } - if (*term) + if (parse_range_arg(bottomtop, nth_line_cb, sb, lno, bottom, top, sb->path)) usage(blame_usage); } @@@ -2574,10 -2490,6 +2495,6 @@@ parse_done bottom = top = 0; if (bottomtop) prepare_blame_range(&sb, bottomtop, lno, &bottom, &top); - if (bottom && top && top < bottom) { - long tmp; - tmp = top; top = bottom; bottom = tmp; - } if (bottom < 1) bottom = 1; if (top < 1) diff --combined builtin/log.c index 6e56a50002,d584ff1a39..9e2123295f --- a/builtin/log.c +++ b/builtin/log.c @@@ -19,11 -19,11 +19,12 @@@ #include "remote.h" #include "string-list.h" #include "parse-options.h" + #include "line-log.h" #include "branch.h" #include "streaming.h" #include "version.h" #include "mailmap.h" +#include "gpg-interface.h" /* Set a default date-time format for git log ("log.date" config variable) */ static const char *default_date_mode = NULL; @@@ -37,11 -37,17 +38,17 @@@ static const char *fmt_patch_subject_pr static const char *fmt_pretty; static const char * const builtin_log_usage[] = { - N_("git log [] [..] [[--] ...]\n") + N_("git log [] [] [[--] ...]\n") N_(" or: git show [options] ..."), NULL }; + struct line_opt_callback_data { + struct rev_info *rev; + const char *prefix; + struct string_list args; + }; + static int parse_decoration_style(const char *var, const char *value) { switch (git_config_maybe_bool(var, value)) { @@@ -76,6 -82,19 +83,19 @@@ static int decorate_callback(const stru return 0; } + static int log_line_range_callback(const struct option *option, const char *arg, int unset) + { + struct line_opt_callback_data *data = option->value; + + if (!arg) + return -1; + + data->rev->line_level_traverse = 1; + string_list_append(&data->args, arg); + + return 0; + } + static void cmd_log_init_defaults(struct rev_info *rev) { if (fmt_pretty) @@@ -98,16 -117,23 +118,23 @@@ static void cmd_log_init_finish(int arg { struct userformat_want w; int quiet = 0, source = 0, mailmap = 0; + static struct line_opt_callback_data line_cb = {NULL, NULL, STRING_LIST_INIT_DUP}; const struct option builtin_log_options[] = { - OPT_BOOLEAN(0, "quiet", &quiet, N_("suppress diff output")), - OPT_BOOLEAN(0, "source", &source, N_("show source")), - OPT_BOOLEAN(0, "use-mailmap", &mailmap, N_("Use mail map file")), + OPT_BOOL(0, "quiet", &quiet, N_("suppress diff output")), + OPT_BOOL(0, "source", &source, N_("show source")), + OPT_BOOL(0, "use-mailmap", &mailmap, N_("Use mail map file")), { OPTION_CALLBACK, 0, "decorate", NULL, NULL, N_("decorate options"), PARSE_OPT_OPTARG, decorate_callback}, + OPT_CALLBACK('L', NULL, &line_cb, "n,m:file", + "Process line range n,m in file, counting from 1", + log_line_range_callback), OPT_END() }; + line_cb.rev = rev; + line_cb.prefix = prefix; + mailmap = use_mailmap_config; argc = parse_options(argc, argv, prefix, builtin_log_options, builtin_log_usage, @@@ -161,6 -187,10 +188,10 @@@ rev->show_decorations = 1; load_ref_decorations(decoration_style); } + + if (rev->line_level_traverse) + line_log_init(rev, line_cb.prefix, &line_cb.args); + setup_pager(); } @@@ -368,8 -398,6 +399,8 @@@ static int git_log_config(const char *v if (grep_config(var, value, cb) < 0) return -1; + if (git_gpg_config(var, value, cb) < 0) + return -1; return git_diff_ui_config(var, value, cb); } @@@ -622,14 -650,6 +653,14 @@@ static void add_header(const char *valu static int thread; static int do_signoff; static const char *signature = git_version_string; +static int config_cover_letter; + +enum { + COVER_UNSET, + COVER_OFF, + COVER_ON, + COVER_AUTO +}; static int git_format_config(const char *var, const char *value, void *cb) { @@@ -691,14 -711,6 +722,14 @@@ } if (!strcmp(var, "format.signature")) return git_config_string(&signature, var, value); + if (!strcmp(var, "format.coverletter")) { + if (value && !strcasecmp(value, "auto")) { + config_cover_letter = COVER_AUTO; + return 0; + } + config_cover_letter = git_config_bool(var, value) ? COVER_ON : COVER_OFF; + return 0; + } return git_log_config(var, value, cb); } @@@ -810,37 -822,9 +841,37 @@@ static void add_branch_description(stru } } +static char *find_branch_name(struct rev_info *rev) +{ + int i, positive = -1; + unsigned char branch_sha1[20]; + const unsigned char *tip_sha1; + const char *ref; + char *full_ref, *branch = NULL; + + for (i = 0; i < rev->cmdline.nr; i++) { + if (rev->cmdline.rev[i].flags & UNINTERESTING) + continue; + if (positive < 0) + positive = i; + else + return NULL; + } + if (positive < 0) + return NULL; + ref = rev->cmdline.rev[positive].name; + tip_sha1 = rev->cmdline.rev[positive].item->sha1; + if (dwim_ref(ref, strlen(ref), branch_sha1, &full_ref) && + !prefixcmp(full_ref, "refs/heads/") && + !hashcmp(tip_sha1, branch_sha1)) + branch = xstrdup(full_ref + strlen("refs/heads/")); + free(full_ref); + return branch; +} + static void make_cover_letter(struct rev_info *rev, int use_stdout, struct commit *origin, - int nr, struct commit **list, struct commit *head, + int nr, struct commit **list, const char *branch_name, int quiet) { @@@ -854,7 -838,6 +885,7 @@@ struct diff_options opts; int need_8bit_cte = 0; struct pretty_print_context pp = {0}; + struct commit *head = list[0]; if (rev->commit_format != CMIT_FMT_EMAIL) die(_("Cover letter needs email format")); @@@ -872,9 -855,6 +903,9 @@@ if (has_non_ascii(list[i]->buffer)) need_8bit_cte = 1; + if (!branch_name) + branch_name = find_branch_name(rev); + msg = body; pp.fmt = CMIT_FMT_EMAIL; pp.date_mode = DATE_RFC2822; @@@ -1081,6 -1061,45 +1112,6 @@@ static int cc_callback(const struct opt return 0; } -static char *find_branch_name(struct rev_info *rev) -{ - int i, positive = -1; - unsigned char branch_sha1[20]; - const unsigned char *tip_sha1; - const char *ref; - char *full_ref, *branch = NULL; - - for (i = 0; i < rev->cmdline.nr; i++) { - if (rev->cmdline.rev[i].flags & UNINTERESTING) - continue; - if (positive < 0) - positive = i; - else - return NULL; - } - if (0 <= positive) { - ref = rev->cmdline.rev[positive].name; - tip_sha1 = rev->cmdline.rev[positive].item->sha1; - } else if (!rev->cmdline.nr && rev->pending.nr == 1 && - !strcmp(rev->pending.objects[0].name, "HEAD")) { - /* - * No actual ref from command line, but "HEAD" from - * rev->def was added in setup_revisions() - * e.g. format-patch --cover-letter -12 - */ - ref = "HEAD"; - tip_sha1 = rev->pending.objects[0].item->sha1; - } else { - return NULL; - } - if (dwim_ref(ref, strlen(ref), branch_sha1, &full_ref) && - !prefixcmp(full_ref, "refs/heads/") && - !hashcmp(tip_sha1, branch_sha1)) - branch = xstrdup(full_ref + strlen("refs/heads/")); - free(full_ref); - return branch; -} - int cmd_format_patch(int argc, const char **argv, const char *prefix) { struct commit *commit; @@@ -1092,12 -1111,13 +1123,12 @@@ int start_number = -1; int just_numbers = 0; int ignore_if_in_upstream = 0; - int cover_letter = 0; + int cover_letter = -1; int boundary_count = 0; int no_binary_diff = 0; - struct commit *origin = NULL, *head = NULL; + struct commit *origin = NULL; const char *in_reply_to = NULL; struct patch_ids ids; - char *add_signoff = NULL; struct strbuf buf = STRBUF_INIT; int use_patch_format = 0; int quiet = 0; @@@ -1110,12 -1130,12 +1141,12 @@@ { OPTION_CALLBACK, 'N', "no-numbered", &numbered, NULL, N_("use [PATCH] even with multiple patches"), PARSE_OPT_NOARG, no_numbered_callback }, - OPT_BOOLEAN('s', "signoff", &do_signoff, N_("add Signed-off-by:")), - OPT_BOOLEAN(0, "stdout", &use_stdout, + OPT_BOOL('s', "signoff", &do_signoff, N_("add Signed-off-by:")), + OPT_BOOL(0, "stdout", &use_stdout, N_("print patches to standard out")), - OPT_BOOLEAN(0, "cover-letter", &cover_letter, + OPT_BOOL(0, "cover-letter", &cover_letter, N_("generate a cover letter")), - OPT_BOOLEAN(0, "numbered-files", &just_numbers, + OPT_BOOL(0, "numbered-files", &just_numbers, N_("use simple number sequence for output file names")), OPT_STRING(0, "suffix", &fmt_patch_suffix, N_("sfx"), N_("use instead of '.patch'")), @@@ -1204,6 -1224,16 +1235,6 @@@ rev.subject_prefix = strbuf_detach(&sprefix, NULL); } - if (do_signoff) { - const char *committer; - const char *endpos; - committer = git_committer_info(IDENT_STRICT); - endpos = strchr(committer, '>'); - if (!endpos) - die(_("bogus committer info %s"), committer); - add_signoff = xmemdupz(committer, endpos - committer + 1); - } - for (i = 0; i < extra_hdr.nr; i++) { strbuf_addstr(&buf, extra_hdr.items[i].string); strbuf_addch(&buf, '\n'); @@@ -1289,36 -1319,28 +1320,36 @@@ } if (rev.pending.nr == 1) { + int check_head = 0; + if (rev.max_count < 0 && !rev.show_root_diff) { /* * This is traditional behaviour of "git format-patch * origin" that prepares what the origin side still * does not have. */ - unsigned char sha1[20]; - const char *ref; - rev.pending.objects[0].item->flags |= UNINTERESTING; add_head_to_pending(&rev); - ref = resolve_ref_unsafe("HEAD", sha1, 1, NULL); - if (ref && !prefixcmp(ref, "refs/heads/")) - branch_name = xstrdup(ref + strlen("refs/heads/")); - else - branch_name = xstrdup(""); /* no branch */ + check_head = 1; } /* * Otherwise, it is "format-patch -22 HEAD", and/or * "format-patch --root HEAD". The user wants * get_revision() to do the usual traversal. */ + + if (!strcmp(rev.pending.objects[0].name, "HEAD")) + check_head = 1; + + if (check_head) { + unsigned char sha1[20]; + const char *ref; + ref = resolve_ref_unsafe("HEAD", sha1, 1, NULL); + if (ref && !prefixcmp(ref, "refs/heads/")) + branch_name = xstrdup(ref + strlen("refs/heads/")); + else + branch_name = xstrdup(""); /* no branch */ + } } /* @@@ -1327,6 -1349,29 +1358,6 @@@ */ rev.show_root_diff = 1; - if (cover_letter) { - /* - * NEEDSWORK:randomly pick one positive commit to show - * diffstat; this is often the tip and the command - * happens to do the right thing in most cases, but a - * complex command like "--cover-letter a b c ^bottom" - * picks "c" and shows diffstat between bottom..c - * which may not match what the series represents at - * all and totally broken. - */ - int i; - for (i = 0; i < rev.pending.nr; i++) { - struct object *o = rev.pending.objects[i].item; - if (!(o->flags & UNINTERESTING)) - head = (struct commit *)o; - } - /* There is nothing to show; it is not an error, though. */ - if (!head) - return 0; - if (!branch_name) - branch_name = find_branch_name(&rev); - } - if (ignore_if_in_upstream) { /* Don't say anything if head and upstream are the same. */ if (rev.pending.nr == 2) { @@@ -1358,21 -1403,11 +1389,21 @@@ list = xrealloc(list, nr * sizeof(list[0])); list[nr - 1] = commit; } + if (nr == 0) + /* nothing to do */ + return 0; total = nr; if (!keep_subject && auto_number && total > 1) numbered = 1; if (numbered) rev.total = total + start_number - 1; + if (cover_letter == -1) { + if (config_cover_letter == COVER_AUTO) + cover_letter = (total > 1); + else + cover_letter = (config_cover_letter == COVER_ON); + } + if (in_reply_to || thread || cover_letter) rev.ref_message_ids = xcalloc(1, sizeof(struct string_list)); if (in_reply_to) { @@@ -1385,11 -1420,11 +1416,11 @@@ if (thread) gen_message_id(&rev, "cover"); make_cover_letter(&rev, use_stdout, - origin, nr, list, head, branch_name, quiet); + origin, nr, list, branch_name, quiet); total++; start_number--; } - rev.add_signoff = add_signoff; + rev.add_signoff = do_signoff; while (0 <= --nr) { int shown; commit = list[nr]; diff --combined log-tree.c index 1946e9ce8d,793d2c8e99..2eb69bcfed --- a/log-tree.c +++ b/log-tree.c @@@ -9,7 -9,7 +9,8 @@@ #include "string-list.h" #include "color.h" #include "gpg-interface.h" +#include "sequencer.h" + #include "line-log.h" struct decoration name_decoration = { "object names" }; @@@ -175,52 -175,119 +176,52 @@@ static void show_children(struct rev_in } } -void show_decorations(struct rev_info *opt, struct commit *commit) +/* + * The caller makes sure there is no funny color before + * calling. format_decorations makes sure the same after return. + */ +void format_decorations(struct strbuf *sb, + const struct commit *commit, + int use_color) { const char *prefix; struct name_decoration *decoration; const char *color_commit = - diff_get_color_opt(&opt->diffopt, DIFF_COMMIT); + diff_get_color(use_color, DIFF_COMMIT); const char *color_reset = - decorate_get_color_opt(&opt->diffopt, DECORATION_NONE); + decorate_get_color(use_color, DECORATION_NONE); - if (opt->show_source && commit->util) - printf("\t%s", (char *) commit->util); - if (!opt->show_decorations) - return; decoration = lookup_decoration(&name_decoration, &commit->object); if (!decoration) return; prefix = " ("; while (decoration) { - printf("%s", prefix); - fputs(decorate_get_color_opt(&opt->diffopt, decoration->type), - stdout); + strbuf_addstr(sb, color_commit); + strbuf_addstr(sb, prefix); + strbuf_addstr(sb, decorate_get_color(use_color, decoration->type)); if (decoration->type == DECORATION_REF_TAG) - fputs("tag: ", stdout); - printf("%s", decoration->name); - fputs(color_reset, stdout); - fputs(color_commit, stdout); + strbuf_addstr(sb, "tag: "); + strbuf_addstr(sb, decoration->name); + strbuf_addstr(sb, color_reset); prefix = ", "; decoration = decoration->next; } - putchar(')'); -} - -/* - * Search for "^[-A-Za-z]+: [^@]+@" pattern. It usually matches - * Signed-off-by: and Acked-by: lines. - */ -static int detect_any_signoff(char *letter, int size) -{ - char *cp; - int seen_colon = 0; - int seen_at = 0; - int seen_name = 0; - int seen_head = 0; - - cp = letter + size; - while (letter <= --cp && *cp == '\n') - continue; - - while (letter <= cp) { - char ch = *cp--; - if (ch == '\n') - break; - - if (!seen_at) { - if (ch == '@') - seen_at = 1; - continue; - } - if (!seen_colon) { - if (ch == '@') - return 0; - else if (ch == ':') - seen_colon = 1; - else - seen_name = 1; - continue; - } - if (('A' <= ch && ch <= 'Z') || - ('a' <= ch && ch <= 'z') || - ch == '-') { - seen_head = 1; - continue; - } - /* no empty last line doesn't match */ - return 0; - } - return seen_head && seen_name; + strbuf_addstr(sb, color_commit); + strbuf_addch(sb, ')'); + strbuf_addstr(sb, color_reset); } -static void append_signoff(struct strbuf *sb, const char *signoff) +void show_decorations(struct rev_info *opt, struct commit *commit) { - static const char signed_off_by[] = "Signed-off-by: "; - size_t signoff_len = strlen(signoff); - int has_signoff = 0; - char *cp; - - cp = sb->buf; - - /* First see if we already have the sign-off by the signer */ - while ((cp = strstr(cp, signed_off_by))) { + struct strbuf sb = STRBUF_INIT; - has_signoff = 1; - - cp += strlen(signed_off_by); - if (cp + signoff_len >= sb->buf + sb->len) - break; - if (strncmp(cp, signoff, signoff_len)) - continue; - if (!isspace(cp[signoff_len])) - continue; - /* we already have him */ + if (opt->show_source && commit->util) + printf("\t%s", (char *) commit->util); + if (!opt->show_decorations) return; - } - - if (!has_signoff) - has_signoff = detect_any_signoff(sb->buf, sb->len); - - if (!has_signoff) - strbuf_addch(sb, '\n'); - - strbuf_addstr(sb, signed_off_by); - strbuf_add(sb, signoff, signoff_len); - strbuf_addch(sb, '\n'); + format_decorations(&sb, commit, opt->diffopt.use_color); + fputs(sb.buf, stdout); + strbuf_release(&sb); } static unsigned int digits_in_number(unsigned int number) @@@ -378,7 -445,7 +379,7 @@@ static void show_signature(struct rev_i status = verify_signed_buffer(payload.buf, payload.len, signature.buf, signature.len, - &gpg_output); + &gpg_output, NULL); if (status && !gpg_output.len) strbuf_addstr(&gpg_output, "No signature\n"); @@@ -442,17 -509,20 +443,17 @@@ static void show_one_mergetag(struct re gpg_message_offset = verify_message.len; payload_size = parse_signature(extra->value, extra->len); - if ((extra->len <= payload_size) || - (verify_signed_buffer(extra->value, payload_size, - extra->value + payload_size, - extra->len - payload_size, - &verify_message) && - verify_message.len <= gpg_message_offset)) { - strbuf_addstr(&verify_message, "No signature\n"); - status = -1; - } - else if (strstr(verify_message.buf + gpg_message_offset, - ": Good signature from ")) - status = 0; - else - status = -1; + status = -1; + if (extra->len > payload_size) + if (verify_signed_buffer(extra->value, payload_size, + extra->value + payload_size, + extra->len - payload_size, + &verify_message, NULL)) { + if (verify_message.len <= gpg_message_offset) + strbuf_addstr(&verify_message, "No signature\n"); + else + status = 0; + } show_sig_lines(opt, status, verify_message.buf); strbuf_release(&verify_message); @@@ -556,8 -626,8 +557,8 @@@ void show_log(struct rev_info *opt printf(" (from %s)", find_unique_abbrev(parent->object.sha1, abbrev_commit)); + fputs(diff_get_color_opt(&opt->diffopt, DIFF_RESET), stdout); show_decorations(opt, commit); - printf("%s", diff_get_color_opt(&opt->diffopt, DIFF_RESET)); if (opt->commit_format == CMIT_FMT_ONELINE) { putchar(' '); } else { @@@ -603,10 -673,8 +604,10 @@@ /* * And then the pretty-printed message itself */ - if (ctx.need_8bit_cte >= 0) - ctx.need_8bit_cte = has_non_ascii(opt->add_signoff); + if (ctx.need_8bit_cte >= 0 && opt->add_signoff) + ctx.need_8bit_cte = + has_non_ascii(fmt_name(getenv("GIT_COMMITTER_NAME"), + getenv("GIT_COMMITTER_EMAIL"))); ctx.date_mode = opt->date_mode; ctx.date_mode_explicit = opt->date_mode_explicit; ctx.abbrev = opt->diffopt.abbrev; @@@ -619,7 -687,7 +620,7 @@@ pretty_print_commit(&ctx, commit, &msgbuf); if (opt->add_signoff) - append_signoff(&msgbuf, opt->add_signoff); + append_signoff(&msgbuf, 0, APPEND_SIGNOFF_DEDUP); if ((ctx.fmt != CMIT_FMT_USERFORMAT) && ctx.notes_message && *ctx.notes_message) { @@@ -725,14 -793,11 +726,14 @@@ static int log_tree_diff(struct rev_inf { int showed_log; struct commit_list *parents; - unsigned const char *sha1 = commit->object.sha1; + unsigned const char *sha1; if (!opt->diff && !DIFF_OPT_TST(&opt->diffopt, EXIT_WITH_STATUS)) return 0; + parse_commit(commit); + sha1 = commit->tree->object.sha1; + /* Root commit? */ parents = commit->parents; if (!parents) { @@@ -755,9 -820,7 +756,9 @@@ * parent, showing summary diff of the others * we merged _in_. */ - diff_tree_sha1(parents->item->object.sha1, sha1, "", &opt->diffopt); + parse_commit(parents->item); + diff_tree_sha1(parents->item->tree->object.sha1, + sha1, "", &opt->diffopt); log_tree_diff_flush(opt); return !opt->loginfo; } @@@ -770,9 -833,7 +771,9 @@@ for (;;) { struct commit *parent = parents->item; - diff_tree_sha1(parent->object.sha1, sha1, "", &opt->diffopt); + parse_commit(parent); + diff_tree_sha1(parent->tree->object.sha1, + sha1, "", &opt->diffopt); log_tree_diff_flush(opt); showed_log |= !opt->loginfo; @@@ -796,6 -857,9 +797,9 @@@ int log_tree_commit(struct rev_info *op log.parent = NULL; opt->loginfo = &log; + if (opt->line_level_traverse) + return line_log_print(opt, commit); + shown = log_tree_diff(opt, commit, &log); if (!shown && opt->loginfo && opt->always_show_header) { log.parent = NULL; diff --combined revision.c index 7f7a8ab7cb,3ad9d08c7f..518cd08693 --- a/revision.c +++ b/revision.c @@@ -13,6 -13,7 +13,7 @@@ #include "decorate.h" #include "log-tree.h" #include "string-list.h" + #include "line-log.h" #include "mailmap.h" volatile show_early_output_fn_t show_early_output; @@@ -709,7 -710,7 +710,7 @@@ static int still_interesting(struct com * Does the destination list contain entries with a date * before the source list? Definitely _not_ done. */ - if (date < src->item->date) + if (date <= src->item->date) return SLOP; /* @@@ -915,19 -916,6 +916,19 @@@ static void add_rev_cmdline(struct rev_ info->nr++; } +static void add_rev_cmdline_list(struct rev_info *revs, + struct commit_list *commit_list, + int whence, + unsigned flags) +{ + while (commit_list) { + struct object *object = &commit_list->item->object; + add_rev_cmdline(revs, object, sha1_to_hex(object->sha1), + whence, flags); + commit_list = commit_list->next; + } +} + struct all_refs_cb { int all_flags; int warned_bad_reflog; @@@ -1105,7 -1093,6 +1106,7 @@@ static void prepare_show_merge(struct r add_pending_object(revs, &head->object, "HEAD"); add_pending_object(revs, &other->object, "MERGE_HEAD"); bases = get_merge_bases(head, other, 1); + add_rev_cmdline_list(revs, bases, REV_CMD_MERGE_BASE, UNINTERESTING); add_pending_commit_list(revs, bases, UNINTERESTING); free_commit_list(bases); head->object.flags |= SYMMETRIC_LEFT; @@@ -1193,9 -1180,6 +1194,9 @@@ int handle_revision_arg(const char *arg if (symmetric) { exclude = get_merge_bases(a, b, 1); + add_rev_cmdline_list(revs, exclude, + REV_CMD_MERGE_BASE, + flags_exclude); add_pending_commit_list(revs, exclude, flags_exclude); free_commit_list(exclude); @@@ -1293,8 -1277,7 +1294,8 @@@ static void read_revisions_from_stdin(s } die("options not supported in --stdin mode"); } - if (handle_revision_arg(sb.buf, revs, 0, REVARG_CANNOT_BE_FILENAME)) + if (handle_revision_arg(xstrdup(sb.buf), revs, 0, + REVARG_CANNOT_BE_FILENAME)) die("bad revision '%s'", sb.buf); } if (seen_dashdash) @@@ -1914,6 -1897,12 +1915,12 @@@ int setup_revisions(int argc, const cha if (revs->combine_merges) revs->ignore_merges = 0; revs->diffopt.abbrev = revs->abbrev; + + if (revs->line_level_traverse) { + revs->limited = 1; + revs->topo_order = 1; + } + diff_setup_done(&revs->diffopt); grep_commit_pattern_type(GREP_PATTERN_TYPE_UNSPECIFIED, @@@ -2040,11 -2029,10 +2047,11 @@@ static struct commit_list **simplify_on if (revs->first_parent_only) break; } - if (!revs->first_parent_only) - cnt = remove_duplicate_parents(commit); - else + + if (revs->first_parent_only) cnt = 1; + else + cnt = remove_duplicate_parents(commit); /* * It is possible that we are a merge and one side branch @@@ -2185,6 -2173,8 +2192,8 @@@ int prepare_revision_walk(struct rev_in return -1; if (revs->topo_order) sort_in_topological_order(&revs->commits, revs->lifo); + if (revs->line_level_traverse) + line_log_filter(revs); if (revs->simplify_merges) simplify_merges(revs); if (revs->children.name) @@@ -2192,12 -2182,6 +2201,6 @@@ return 0; } - enum rewrite_result { - rewrite_one_ok, - rewrite_one_noparents, - rewrite_one_error - }; - static enum rewrite_result rewrite_one(struct rev_info *revs, struct commit **pp) { struct commit_list *cache = NULL; @@@ -2219,12 -2203,13 +2222,13 @@@ } } - static int rewrite_parents(struct rev_info *revs, struct commit *commit) + int rewrite_parents(struct rev_info *revs, struct commit *commit, + rewrite_parent_fn_t rewrite_parent) { struct commit_list **pp = &commit->parents; while (*pp) { struct commit_list *parent = *pp; - switch (rewrite_one(revs, &parent->item)) { + switch (rewrite_parent(revs, &parent->item)) { case rewrite_one_ok: break; case rewrite_one_noparents: @@@ -2309,7 -2294,7 +2313,7 @@@ static int commit_match(struct commit * * in it. */ encoding = get_log_output_encoding(); - message = logmsg_reencode(commit, encoding); + message = logmsg_reencode(commit, NULL, encoding); /* Copy the commit to temporary if we are using "fake" headers */ if (buf.len) @@@ -2390,7 -2375,7 +2394,7 @@@ enum commit_action simplify_commit(stru if (action == commit_show && !revs->show_all && revs->prune && revs->dense && want_ancestry(revs)) { - if (rewrite_parents(revs, commit) < 0) + if (rewrite_parents(revs, commit, rewrite_one) < 0) return commit_error; } return action; diff --combined revision.h index 878a5556fd,6b2870ca10..a313a13405 --- a/revision.h +++ b/revision.h @@@ -35,7 -35,6 +35,7 @@@ struct rev_cmdline_info REV_CMD_PARENTS_ONLY, REV_CMD_LEFT, REV_CMD_RIGHT, + REV_CMD_MERGE_BASE, REV_CMD_REV } whence; unsigned flags; @@@ -97,7 -96,8 +97,8 @@@ struct rev_info cherry_mark:1, bisect:1, ancestry_path:1, - first_parent_only:1; + first_parent_only:1, + line_level_traverse:1; /* Diff flags */ unsigned int diff:1, @@@ -139,7 -139,7 +140,7 @@@ int reroll_count; char *message_id; struct string_list *ref_message_ids; - const char *add_signoff; + int add_signoff; const char *extra_headers; const char *log_reencode; const char *subject_prefix; @@@ -176,6 -176,9 +177,9 @@@ int count_left; int count_right; int count_same; + + /* line level range that we are chasing */ + struct decoration line_log_data; }; #define REV_TREE_SAME 0 @@@ -242,4 -245,14 +246,14 @@@ enum commit_action extern enum commit_action get_commit_action(struct rev_info *revs, struct commit *commit); extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit); + enum rewrite_result { + rewrite_one_ok, + rewrite_one_noparents, + rewrite_one_error + }; + + typedef enum rewrite_result (*rewrite_parent_fn_t)(struct rev_info *revs, struct commit **pp); + + extern int rewrite_parents(struct rev_info *revs, struct commit *commit, + rewrite_parent_fn_t rewrite_parent); #endif