From: Junio C Hamano Date: Mon, 9 Sep 2013 21:35:11 +0000 (-0700) Subject: Merge branch 'es/blame-L-twice' X-Git-Tag: v1.8.5-rc0~166 X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/de9a25354aa22aa6796787f3ef3af276fba82339?hp=4ab4a6dfb414230bb3e13ba65a1aa2606c6102f3 Merge branch 'es/blame-L-twice' Teaches "git blame" to take more than one -L ranges. * es/blame-L-twice: line-range: reject -L line numbers less than 1 t8001/t8002: blame: add tests of -L line numbers less than 1 line-range: teach -L^:RE to search from start of file line-range: teach -L:RE to search from end of previous -L range line-range: teach -L^/RE/ to search from start of file line-range-format.txt: document -L/RE/ relative search log: teach -L/RE/ to search from end of previous -L range blame: teach -L/RE/ to search from end of previous -L range line-range: teach -L/RE/ to search relative to anchor point blame: document multiple -L support t8001/t8002: blame: add tests of multiple -L options blame: accept multiple -L ranges blame: inline one-line function into its lone caller range-set: publish API for re-use by git-blame -L line-range-format.txt: clarify -L:regex usage form git-log.txt: place each -L option variation on its own line --- diff --git a/Documentation/blame-options.txt b/Documentation/blame-options.txt index 4e55b1564e..0cebc4f692 100644 --- a/Documentation/blame-options.txt +++ b/Documentation/blame-options.txt @@ -11,12 +11,12 @@ -L ,:: -L ::: - Annotate only the given line range. and are optional. - ``-L '' or ``-L ,'' spans from to end of file. - ``-L ,'' spans from start of file to . + Annotate only the given line range. May be specified multiple times. + Overlapping ranges are allowed. ++ + and are optional. ``-L '' or ``-L ,'' spans from + to end of file. ``-L ,'' spans from start of file to . + - and can take one of these forms: - include::line-range-format.txt[] -l:: diff --git a/Documentation/git-blame.txt b/Documentation/git-blame.txt index 6cea7f1ce1..f2c85cc633 100644 --- a/Documentation/git-blame.txt +++ b/Documentation/git-blame.txt @@ -9,7 +9,7 @@ SYNOPSIS -------- [verse] 'git blame' [-c] [-b] [-l] [--root] [-t] [-f] [-n] [-s] [-e] [-p] [-w] [--incremental] - [-L n,m | -L :fn] [-S ] [-M] [-C] [-C] [-C] [--since=] + [-L ] [-S ] [-M] [-C] [-C] [-C] [--since=] [--abbrev=] [ | --contents | --reverse ] [--] DESCRIPTION @@ -18,7 +18,8 @@ DESCRIPTION Annotates each line in the given file with information from the revision which last modified the line. Optionally, start annotating from the given revision. -The command can also limit the range of lines annotated. +When specified one or more times, `-L` restricts annotation to the requested +lines. The origin of lines is automatically followed across whole-file renames (currently there is no option to turn the rename-following @@ -130,7 +131,10 @@ SPECIFYING RANGES Unlike 'git blame' and 'git annotate' in older versions of git, the extent of the annotation can be limited to both line ranges and revision -ranges. When you are interested in finding the origin for +ranges. The `-L` option, which limits annotation to a range of lines, may be +specified multiple times. + +When you are interested in finding the origin for lines 40-60 for file `foo`, you can use the `-L` option like so (they mean the same thing -- both ask for 21 lines starting at line 40): diff --git a/Documentation/git-log.txt b/Documentation/git-log.txt index ac2694d04c..34097efea7 100644 --- a/Documentation/git-log.txt +++ b/Documentation/git-log.txt @@ -62,7 +62,8 @@ produced by --stat etc. Note that only message is considered, if also a diff is shown its size is not included. --L ,:, -L :::: +-L ,::: +-L :::: Trace the evolution of the line range given by "," (or the funcname regex ) within the . You may @@ -71,8 +72,6 @@ produced by --stat etc. 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[] :: diff --git a/Documentation/line-range-format.txt b/Documentation/line-range-format.txt index 3e7ce72daa..d7f26039ca 100644 --- a/Documentation/line-range-format.txt +++ b/Documentation/line-range-format.txt @@ -1,3 +1,5 @@ + and can take one of these forms: + - number + If or is a number, it specifies an @@ -7,7 +9,10 @@ absolute line number (lines count from 1). - /regex/ + This form will use the first line matching the given -POSIX regex. If is a regex, it will search +POSIX regex. If is a regex, it will search from the end of +the previous `-L` range, if any, otherwise from the start of file. +If is ``^/regex/'', it will search from the start of file. +If is a regex, it will search starting at the line given by . + @@ -15,11 +20,10 @@ starting at the line given by . + This is only valid for and will specify a number of lines before or after the line given by . -+ -- :regex + -If the option's argument is of the form :regex, it denotes the range +If ``:'' is given in place of and , it denotes the range from the first funcname line that matches , up to the next -funcname line. -+ +funcname line. ``:'' searches from the end of the previous `-L` range, +if any, otherwise from the start of file. +``^:'' searches from the start of file. diff --git a/builtin/blame.c b/builtin/blame.c index aa1abb6d5e..00927e0347 100644 --- a/builtin/blame.c +++ b/builtin/blame.c @@ -22,6 +22,7 @@ #include "utf8.h" #include "userdiff.h" #include "line-range.h" +#include "line-log.h" static char blame_usage[] = N_("git blame [options] [rev-opts] [rev] [--] file"); @@ -1937,18 +1938,6 @@ static const char *add_prefix(const char *prefix, const char *path) return prefix_path(prefix, prefix ? strlen(prefix) : 0, path); } -/* - * Parsing of -L option - */ -static void prepare_blame_range(struct scoreboard *sb, - const char *bottomtop, - long lno, - long *bottom, long *top) -{ - if (parse_range_arg(bottomtop, nth_line_cb, sb, lno, bottom, top, sb->path)) - usage(blame_usage); -} - static int git_blame_config(const char *var, const char *value, void *cb) { if (!strcmp(var, "blame.showroot")) { @@ -2245,29 +2234,18 @@ static int blame_move_callback(const struct option *option, const char *arg, int return 0; } -static int blame_bottomtop_callback(const struct option *option, const char *arg, int unset) -{ - const char **bottomtop = option->value; - if (!arg) - return -1; - if (*bottomtop) - die("More than one '-L n,m' option given"); - *bottomtop = arg; - return 0; -} - int cmd_blame(int argc, const char **argv, const char *prefix) { struct rev_info revs; const char *path; struct scoreboard sb; struct origin *o; - struct blame_entry *ent; - long dashdash_pos, bottom, top, lno; + struct blame_entry *ent = NULL; + long dashdash_pos, lno; const char *final_commit_name = NULL; enum object_type type; - static const char *bottomtop = NULL; + static struct string_list range_list; static int output_option = 0, opt = 0; static int show_stats = 0; static const char *revs_file = NULL; @@ -2293,13 +2271,16 @@ int cmd_blame(int argc, const char **argv, const char *prefix) OPT_STRING(0, "contents", &contents_from, N_("file"), N_("Use 's contents as the final image")), { OPTION_CALLBACK, 'C', NULL, &opt, N_("score"), N_("Find line copies within and across files"), PARSE_OPT_OPTARG, blame_copy_callback }, { OPTION_CALLBACK, 'M', NULL, &opt, N_("score"), N_("Find line movements within and across files"), PARSE_OPT_OPTARG, blame_move_callback }, - OPT_CALLBACK('L', NULL, &bottomtop, N_("n,m"), N_("Process only line range n,m, counting from 1"), blame_bottomtop_callback), + OPT_STRING_LIST('L', NULL, &range_list, N_("n,m"), N_("Process only line range n,m, counting from 1")), OPT__ABBREV(&abbrev), OPT_END() }; struct parse_opt_ctx_t ctx; int cmd_is_annotate = !strcmp(argv[0], "annotate"); + struct range_set ranges; + unsigned int range_i; + long anchor; git_config(git_blame_config, NULL); init_revisions(&revs, NULL); @@ -2492,22 +2473,48 @@ int cmd_blame(int argc, const char **argv, const char *prefix) num_read_blob++; lno = prepare_lines(&sb); - bottom = top = 0; - if (bottomtop) - prepare_blame_range(&sb, bottomtop, lno, &bottom, &top); - if (lno < top || ((lno || bottom) && lno < bottom)) - die("file %s has only %lu lines", path, lno); - if (bottom < 1) - bottom = 1; - if (top < 1) - top = lno; - bottom--; - - ent = xcalloc(1, sizeof(*ent)); - ent->lno = bottom; - ent->num_lines = top - bottom; - ent->suspect = o; - ent->s_lno = bottom; + if (lno && !range_list.nr) + string_list_append(&range_list, xstrdup("1")); + + anchor = 1; + range_set_init(&ranges, range_list.nr); + for (range_i = 0; range_i < range_list.nr; ++range_i) { + long bottom, top; + if (parse_range_arg(range_list.items[range_i].string, + nth_line_cb, &sb, lno, anchor, + &bottom, &top, sb.path)) + usage(blame_usage); + if (lno < top || ((lno || bottom) && lno < bottom)) + die("file %s has only %lu lines", path, lno); + if (bottom < 1) + bottom = 1; + if (top < 1) + top = lno; + bottom--; + range_set_append_unsafe(&ranges, bottom, top); + anchor = top + 1; + } + sort_and_merge_range_set(&ranges); + + for (range_i = ranges.nr; range_i > 0; --range_i) { + const struct range *r = &ranges.ranges[range_i - 1]; + long bottom = r->start; + long top = r->end; + struct blame_entry *next = ent; + ent = xcalloc(1, sizeof(*ent)); + ent->lno = bottom; + ent->num_lines = top - bottom; + ent->suspect = o; + ent->s_lno = bottom; + ent->next = next; + if (next) + next->prev = ent; + origin_incref(o); + } + origin_decref(o); + + range_set_release(&ranges); + string_list_clear(&range_list, 0); sb.ent = ent; sb.path = path; diff --git a/line-log.c b/line-log.c index 1c3ac8dccd..d40c79dc2b 100644 --- a/line-log.c +++ b/line-log.c @@ -23,7 +23,7 @@ static void range_set_grow(struct range_set *rs, size_t extra) /* Either initialization would be fine */ #define RANGE_SET_INIT {0} -static void range_set_init(struct range_set *rs, size_t prealloc) +void range_set_init(struct range_set *rs, size_t prealloc) { rs->alloc = rs->nr = 0; rs->ranges = NULL; @@ -31,7 +31,7 @@ static void range_set_init(struct range_set *rs, size_t prealloc) range_set_grow(rs, prealloc); } -static void range_set_release(struct range_set *rs) +void range_set_release(struct range_set *rs) { free(rs->ranges); rs->alloc = rs->nr = 0; @@ -56,7 +56,7 @@ static void range_set_move(struct range_set *dst, struct range_set *src) } /* tack on a _new_ range _at the end_ */ -static void range_set_append_unsafe(struct range_set *rs, long a, long b) +void range_set_append_unsafe(struct range_set *rs, long a, long b) { assert(a <= b); range_set_grow(rs, 1); @@ -65,7 +65,7 @@ static void range_set_append_unsafe(struct range_set *rs, long a, long b) rs->nr++; } -static void range_set_append(struct range_set *rs, long a, long b) +void range_set_append(struct range_set *rs, long a, long b) { assert(rs->nr == 0 || rs->ranges[rs->nr-1].end <= a); range_set_append_unsafe(rs, a, b); @@ -107,7 +107,7 @@ static void range_set_check_invariants(struct range_set *rs) * In-place pass of sorting and merging the ranges in the range set, * to establish the invariants when we get the ranges from the user */ -static void sort_and_merge_range_set(struct range_set *rs) +void sort_and_merge_range_set(struct range_set *rs) { int i; int o = 0; /* output cursor */ @@ -291,7 +291,6 @@ static void line_log_data_insert(struct line_log_data **list, if (p) { range_set_append_unsafe(&p->ranges, begin, end); - sort_and_merge_range_set(&p->ranges); free(path); return; } @@ -299,7 +298,6 @@ static void line_log_data_insert(struct line_log_data **list, p = xcalloc(1, sizeof(struct line_log_data)); p->path = path; range_set_append(&p->ranges, begin, end); - sort_and_merge_range_set(&p->ranges); if (ip) { p->next = ip->next; ip->next = p; @@ -566,12 +564,14 @@ parse_lines(struct commit *commit, const char *prefix, struct string_list *args) struct nth_line_cb cb_data; struct string_list_item *item; struct line_log_data *ranges = NULL; + struct line_log_data *p; for_each_string_list_item(item, args) { const char *name_part, *range_part; char *full_name; struct diff_filespec *spec; long begin = 0, end = 0; + long anchor; name_part = skip_range_arg(item->string); if (!name_part || *name_part != ':' || !name_part[1]) @@ -590,8 +590,14 @@ parse_lines(struct commit *commit, const char *prefix, struct string_list *args) cb_data.lines = lines; cb_data.line_ends = ends; + p = search_line_log_data(ranges, full_name, NULL); + if (p && p->ranges.nr) + anchor = p->ranges.ranges[p->ranges.nr - 1].end + 1; + else + anchor = 1; + if (parse_range_arg(range_part, nth_line, &cb_data, - lines, &begin, &end, + lines, anchor, &begin, &end, full_name)) die("malformed -L argument '%s'", range_part); if (lines < end || ((lines || begin) && lines < begin)) @@ -608,6 +614,9 @@ parse_lines(struct commit *commit, const char *prefix, struct string_list *args) ends = NULL; } + for (p = ranges; p; p = p->next) + sort_and_merge_range_set(&p->ranges); + return ranges; } diff --git a/line-log.h b/line-log.h index 8bea45fd78..a9212d84e4 100644 --- a/line-log.h +++ b/line-log.h @@ -25,6 +25,18 @@ struct diff_ranges { struct range_set target; }; +extern void range_set_init(struct range_set *, size_t prealloc); +extern void range_set_release(struct range_set *); +/* Range includes start; excludes end */ +extern void range_set_append_unsafe(struct range_set *, long start, long end); +/* New range must begin at or after end of last added range */ +extern void range_set_append(struct range_set *, long start, long end); +/* + * In-place pass of sorting and merging the ranges in the range set, + * to sort and make the ranges disjoint. + */ +extern void sort_and_merge_range_set(struct range_set *); + /* Linked list of interesting files and their associated ranges. The * list must be kept sorted by path. * diff --git a/line-range.c b/line-range.c index 69e8d6b6c0..de4e32f942 100644 --- a/line-range.c +++ b/line-range.c @@ -6,6 +6,18 @@ /* * Parse one item in the -L option + * + * 'begin' is applicable only to relative range anchors. Absolute anchors + * ignore this value. + * + * When parsing "-L A,B", parse_loc() is called once for A and once for B. + * + * When parsing A, 'begin' must be a negative number, the absolute value of + * which is the line at which relative start-of-range anchors should be + * based. Beginning of file is represented by -1. + * + * When parsing B, 'begin' must be the positive line number immediately + * following the line computed for 'A'. */ static const char *parse_loc(const char *spec, nth_line_fn_t nth_line, void *data, long lines, long begin, long *ret) @@ -42,10 +54,23 @@ static const char *parse_loc(const char *spec, nth_line_fn_t nth_line, } num = strtol(spec, &term, 10); if (term != spec) { - if (ret) + if (ret) { + if (num <= 0) + die("-L invalid line number: %ld", num); *ret = num; + } return term; } + + if (begin < 0) { + if (spec[0] != '^') + begin = -begin; + else { + begin = 1; + spec++; + } + } + if (spec[0] != '/') return spec; @@ -85,7 +110,8 @@ static const char *parse_loc(const char *spec, nth_line_fn_t nth_line, else { char errbuf[1024]; regerror(reg_error, ®exp, errbuf, 1024); - die("-L parameter '%s': %s", spec + 1, errbuf); + die("-L parameter '%s' starting at line %ld: %s", + spec + 1, begin + 1, errbuf); } } @@ -138,7 +164,7 @@ static const char *find_funcname_matching_regexp(xdemitconf_t *xecfg, const char } static const char *parse_range_funcname(const char *arg, nth_line_fn_t nth_line_cb, - void *cb_data, long lines, long *begin, long *end, + void *cb_data, long lines, long anchor, long *begin, long *end, const char *path) { char *pattern; @@ -150,6 +176,11 @@ static const char *parse_range_funcname(const char *arg, nth_line_fn_t nth_line_ int reg_error; regex_t regexp; + if (*arg == '^') { + anchor = 1; + arg++; + } + assert(*arg == ':'); term = arg+1; while (*term && *term != ':') { @@ -164,7 +195,8 @@ static const char *parse_range_funcname(const char *arg, nth_line_fn_t nth_line_ pattern = xstrndup(arg+1, term-(arg+1)); - start = nth_line_cb(cb_data, 0); + anchor--; /* input is in human terms */ + start = nth_line_cb(cb_data, anchor); drv = userdiff_find_by_path(path); if (drv && drv->funcname.pattern) { @@ -182,7 +214,8 @@ static const char *parse_range_funcname(const char *arg, nth_line_fn_t nth_line_ p = find_funcname_matching_regexp(xecfg, (char*) start, ®exp); if (!p) - die("-L parameter '%s': no match", pattern); + die("-L parameter '%s' starting at line %ld: no match", + pattern, anchor + 1); *begin = 0; while (p > nth_line_cb(cb_data, *begin)) (*begin)++; @@ -210,19 +243,24 @@ static const char *parse_range_funcname(const char *arg, nth_line_fn_t nth_line_ } int parse_range_arg(const char *arg, nth_line_fn_t nth_line_cb, - void *cb_data, long lines, long *begin, long *end, - const char *path) + void *cb_data, long lines, long anchor, + long *begin, long *end, const char *path) { *begin = *end = 0; - if (*arg == ':') { - arg = parse_range_funcname(arg, nth_line_cb, cb_data, lines, begin, end, path); + if (anchor < 1) + anchor = 1; + if (anchor > lines) + anchor = lines + 1; + + if (*arg == ':' || (*arg == '^' && *(arg + 1) == ':')) { + arg = parse_range_funcname(arg, nth_line_cb, cb_data, lines, anchor, begin, end, path); if (!arg || *arg) return -1; return 0; } - arg = parse_loc(arg, nth_line_cb, cb_data, lines, 1, begin); + arg = parse_loc(arg, nth_line_cb, cb_data, lines, -anchor, begin); if (*arg == ',') arg = parse_loc(arg + 1, nth_line_cb, cb_data, lines, *begin + 1, end); @@ -240,8 +278,8 @@ int parse_range_arg(const char *arg, nth_line_fn_t nth_line_cb, const char *skip_range_arg(const char *arg) { - if (*arg == ':') - return parse_range_funcname(arg, NULL, NULL, 0, NULL, NULL, NULL); + if (*arg == ':' || (*arg == '^' && *(arg + 1) == ':')) + return parse_range_funcname(arg, NULL, NULL, 0, 0, NULL, NULL, NULL); arg = parse_loc(arg, NULL, NULL, 0, -1, NULL); diff --git a/line-range.h b/line-range.h index ae3d0123b4..83ba3c25e8 100644 --- a/line-range.h +++ b/line-range.h @@ -9,6 +9,9 @@ * line 'lno' inside the 'cb_data'. The caller is expected to already * have a suitable map at hand to make this a constant-time lookup. * + * 'anchor' is the 1-based line at which relative range specifications + * should be anchored. Absolute ranges are unaffected by this value. + * * Returns 0 in case of success and -1 if there was an error. The * actual range is stored in *begin and *end. The counting starts * at 1! In case of error, the caller should show usage message. @@ -18,7 +21,7 @@ typedef const char *(*nth_line_fn_t)(void *data, long lno); extern int parse_range_arg(const char *arg, nth_line_fn_t nth_line_cb, - void *cb_data, long lines, + void *cb_data, long lines, long anchor, long *begin, long *end, const char *path); diff --git a/t/annotate-tests.sh b/t/annotate-tests.sh index ce5b8ed304..99caa42f5c 100644 --- a/t/annotate-tests.sh +++ b/t/annotate-tests.sh @@ -185,6 +185,18 @@ test_expect_success 'blame -L Y,X (undocumented)' ' check_count -L6,3 B 1 B1 1 B2 1 D 1 ' +test_expect_success 'blame -L -X' ' + test_must_fail $PROG -L-1 file +' + +test_expect_success 'blame -L 0' ' + test_must_fail $PROG -L0 file +' + +test_expect_success 'blame -L ,0' ' + test_must_fail $PROG -L,0 file +' + test_expect_success 'blame -L ,+0' ' test_must_fail $PROG -L,+0 file ' @@ -271,6 +283,75 @@ test_expect_success 'blame -L ,Y (Y > nlines)' ' test_must_fail $PROG -L,12345 file ' +test_expect_success 'blame -L multiple (disjoint)' ' + check_count -L2,3 -L6,7 A 1 B1 1 B2 1 "A U Thor" 1 +' + +test_expect_success 'blame -L multiple (disjoint: unordered)' ' + check_count -L6,7 -L2,3 A 1 B1 1 B2 1 "A U Thor" 1 +' + +test_expect_success 'blame -L multiple (adjacent)' ' + check_count -L2,3 -L4,5 A 1 B 1 B2 1 D 1 +' + +test_expect_success 'blame -L multiple (adjacent: unordered)' ' + check_count -L4,5 -L2,3 A 1 B 1 B2 1 D 1 +' + +test_expect_success 'blame -L multiple (overlapping)' ' + check_count -L2,4 -L3,5 A 1 B 1 B2 1 D 1 +' + +test_expect_success 'blame -L multiple (overlapping: unordered)' ' + check_count -L3,5 -L2,4 A 1 B 1 B2 1 D 1 +' + +test_expect_success 'blame -L multiple (superset/subset)' ' + check_count -L2,8 -L3,5 A 1 B 1 B1 1 B2 1 C 1 D 1 "A U Thor" 1 +' + +test_expect_success 'blame -L multiple (superset/subset: unordered)' ' + check_count -L3,5 -L2,8 A 1 B 1 B1 1 B2 1 C 1 D 1 "A U Thor" 1 +' + +test_expect_success 'blame -L /RE/ (relative)' ' + check_count -L3,3 -L/fox/ B1 1 B2 1 C 1 D 1 "A U Thor" 1 +' + +test_expect_success 'blame -L /RE/ (relative: no preceding range)' ' + check_count -L/dog/ A 1 B 1 B1 1 B2 1 C 1 D 1 "A U Thor" 1 +' + +test_expect_success 'blame -L /RE/ (relative: adjacent)' ' + check_count -L1,1 -L/dog/,+1 A 1 E 1 +' + +test_expect_success 'blame -L /RE/ (relative: not found)' ' + test_must_fail $PROG -L4,4 -L/dog/ file +' + +test_expect_success 'blame -L /RE/ (relative: end-of-file)' ' + test_must_fail $PROG -L, -L/$/ file +' + +test_expect_success 'blame -L ^/RE/ (absolute)' ' + check_count -L3,3 -L^/dog/,+2 A 1 B2 1 +' + +test_expect_success 'blame -L ^/RE/ (absolute: no preceding range)' ' + check_count -L^/dog/,+2 A 1 B2 1 +' + +test_expect_success 'blame -L ^/RE/ (absolute: not found)' ' + test_must_fail $PROG -L4,4 -L^/tambourine/ file +' + +test_expect_success 'blame -L ^/RE/ (absolute: end-of-file)' ' + n=$(expr $(wc -l hello.c <<-\EOF && int main(int argc, const char *argv[]) @@ -313,6 +394,39 @@ test_expect_success 'blame -L :nomatch' ' test_must_fail $PROG -L:nomatch hello.c ' +test_expect_success 'blame -L :RE (relative)' ' + check_count -f hello.c -L3,3 -L:ma.. F 1 H 4 +' + +test_expect_success 'blame -L :RE (relative: no preceding range)' ' + check_count -f hello.c -L:ma.. F 4 G 1 +' + +test_expect_success 'blame -L :RE (relative: not found)' ' + test_must_fail $PROG -L3,3 -L:tambourine hello.c +' + +test_expect_success 'blame -L :RE (relative: end-of-file)' ' + test_must_fail $PROG -L, -L:main hello.c +' + +test_expect_success 'blame -L ^:RE (absolute)' ' + check_count -f hello.c -L3,3 -L^:ma.. F 4 G 1 +' + +test_expect_success 'blame -L ^:RE (absolute: no preceding range)' ' + check_count -f hello.c -L^:ma.. F 4 G 1 +' + +test_expect_success 'blame -L ^:RE (absolute: not found)' ' + test_must_fail $PROG -L4,4 -L^:tambourine hello.c +' + +test_expect_success 'blame -L ^:RE (absolute: end-of-file)' ' + n=$(printf "%d" $(wc -l