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
This commit is contained in:
Junio C Hamano 2013-06-02 16:00:44 -07:00
commit ed73fe5642
31 changed files with 3374 additions and 123 deletions

View File

@ -9,28 +9,11 @@
--show-stats:: --show-stats::
Include additional statistics at the end of blame output. Include additional statistics at the end of blame output.
-L <start>,<end>:: -L <start>,<end>, -L :<regex>::
Annotate only the given line range. <start> and <end> can take Annotate only the given line range. <start> and <end> can take
one of these forms: one of these forms:
- number include::line-range-format.txt[]
+
If <start> or <end> is a number, it specifies an
absolute line number (lines count from 1).
+
- /regex/
+
This form will use the first line matching the given
POSIX regex. If <end> is a regex, it will search
starting at the line given by <start>.
+
- +offset or -offset
+
This is only valid for <end> and will specify a number
of lines before or after the line given by <start>.
+
-l:: -l::
Show long rev (Default: off). Show long rev (Default: off).

View File

@ -8,9 +8,9 @@ git-blame - Show what revision and author last modified each line of a file
SYNOPSIS SYNOPSIS
-------- --------
[verse] [verse]
'git blame' [-c] [-b] [-l] [--root] [-t] [-f] [-n] [-s] [-e] [-p] [-w] [--incremental] [-L n,m] 'git blame' [-c] [-b] [-l] [--root] [-t] [-f] [-n] [-s] [-e] [-p] [-w] [--incremental]
[-S <revs-file>] [-M] [-C] [-C] [-C] [--since=<date>] [--abbrev=<n>] [-L n,m | -L :fn] [-S <revs-file>] [-M] [-C] [-C] [-C] [--since=<date>]
[<rev> | --contents <file> | --reverse <rev>] [--] <file> [--abbrev=<n>] [<rev> | --contents <file> | --reverse <rev>] [--] <file>
DESCRIPTION DESCRIPTION
----------- -----------

View File

@ -62,6 +62,19 @@ produced by --stat etc.
Note that only message is considered, if also a diff is shown Note that only message is considered, if also a diff is shown
its size is not included. its size is not included.
-L <start>,<end>:<file>, -L :<regex>:<file>::
Trace the evolution of the line range given by "<start>,<end>"
(or the funcname regex <regex>) within the <file>. 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.
+
<start> and <end> can take one of these forms:
include::line-range-format.txt[]
<revision range>:: <revision range>::
Show only commits in the specified revision range. When no Show only commits in the specified revision range. When no
<revision range> is specified, it defaults to `HEAD` (i.e. the <revision range> is specified, it defaults to `HEAD` (i.e. the
@ -140,6 +153,11 @@ Examples
This makes sense only when following a strict policy of merging all This makes sense only when following a strict policy of merging all
topic branches when staying on a single integration branch. 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`:: `git log -3`::
Limits the number of commits to show to 3. Limits the number of commits to show to 3.

View File

@ -0,0 +1,25 @@
- number
+
If <start> or <end> is a number, it specifies an
absolute line number (lines count from 1).
+
- /regex/
+
This form will use the first line matching the given
POSIX regex. If <end> is a regex, it will search
starting at the line given by <start>.
+
- +offset or -offset
+
This is only valid for <end> and will specify a number
of lines before or after the line given by <start>.
+
- :regex
+
If the option's argument is of the form :regex, it denotes the range
from the first funcname line that matches <regex>, up to the next
funcname line.
+

View File

@ -681,6 +681,8 @@ LIB_H += help.h
LIB_H += http.h LIB_H += http.h
LIB_H += kwset.h LIB_H += kwset.h
LIB_H += levenshtein.h LIB_H += levenshtein.h
LIB_H += line-log.h
LIB_H += line-range.h
LIB_H += list-objects.h LIB_H += list-objects.h
LIB_H += ll-merge.h LIB_H += ll-merge.h
LIB_H += log-tree.h LIB_H += log-tree.h
@ -808,6 +810,8 @@ LIB_OBJS += hex.o
LIB_OBJS += ident.o LIB_OBJS += ident.o
LIB_OBJS += kwset.o LIB_OBJS += kwset.o
LIB_OBJS += levenshtein.o LIB_OBJS += levenshtein.o
LIB_OBJS += line-log.o
LIB_OBJS += line-range.o
LIB_OBJS += list-objects.o LIB_OBJS += list-objects.o
LIB_OBJS += ll-merge.o LIB_OBJS += ll-merge.o
LIB_OBJS += lockfile.o LIB_OBJS += lockfile.o

View File

@ -21,6 +21,7 @@
#include "parse-options.h" #include "parse-options.h"
#include "utf8.h" #include "utf8.h"
#include "userdiff.h" #include "userdiff.h"
#include "line-range.h"
static char blame_usage[] = N_("git blame [options] [rev-opts] [rev] [--] file"); static char blame_usage[] = N_("git blame [options] [rev-opts] [rev] [--] file");
@ -566,11 +567,16 @@ static void dup_entry(struct blame_entry *dst, struct blame_entry *src)
dst->score = 0; 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]; 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 * 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 * has an overlap with that range. it also is known that parent's
@ -1931,83 +1937,6 @@ static const char *add_prefix(const char *prefix, const char *path)
return prefix_path(prefix, prefix ? strlen(prefix) : 0, path); 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 <something>,+20" to mean starting at <something>
* for 20 lines, or "-L <something>,-5" for 5 lines ending at
* <something>.
*/
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(&regexp, spec + 1, REG_NEWLINE)) &&
!(reg_error = regexec(&regexp, 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(&regexp);
*term++ = '/';
return term;
}
else {
char errbuf[1024];
regerror(reg_error, &regexp, errbuf, 1024);
die("-L parameter '%s': %s", spec + 1, errbuf);
}
}
/* /*
* Parsing of -L option * Parsing of -L option
*/ */
@ -2016,15 +1945,7 @@ static void prepare_blame_range(struct scoreboard *sb,
long lno, long lno,
long *bottom, long *top) long *bottom, long *top)
{ {
const char *term; if (parse_range_arg(bottomtop, nth_line_cb, sb, lno, bottom, top, sb->path))
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)
usage(blame_usage); usage(blame_usage);
} }
@ -2574,10 +2495,6 @@ parse_done:
bottom = top = 0; bottom = top = 0;
if (bottomtop) if (bottomtop)
prepare_blame_range(&sb, bottomtop, lno, &bottom, &top); prepare_blame_range(&sb, bottomtop, lno, &bottom, &top);
if (bottom && top && top < bottom) {
long tmp;
tmp = top; top = bottom; bottom = tmp;
}
if (bottom < 1) if (bottom < 1)
bottom = 1; bottom = 1;
if (top < 1) if (top < 1)

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@ -19,6 +19,7 @@
#include "remote.h" #include "remote.h"
#include "string-list.h" #include "string-list.h"
#include "parse-options.h" #include "parse-options.h"
#include "line-log.h"
#include "branch.h" #include "branch.h"
#include "streaming.h" #include "streaming.h"
#include "version.h" #include "version.h"
@ -42,6 +43,12 @@ static const char * const builtin_log_usage[] = {
NULL 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) static int parse_decoration_style(const char *var, const char *value)
{ {
switch (git_config_maybe_bool(var, value)) { switch (git_config_maybe_bool(var, value)) {
@ -76,6 +83,19 @@ static int decorate_callback(const struct option *opt, const char *arg, int unse
return 0; 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) static void cmd_log_init_defaults(struct rev_info *rev)
{ {
if (fmt_pretty) if (fmt_pretty)
@ -98,6 +118,7 @@ static void cmd_log_init_finish(int argc, const char **argv, const char *prefix,
{ {
struct userformat_want w; struct userformat_want w;
int quiet = 0, source = 0, mailmap = 0; 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[] = { const struct option builtin_log_options[] = {
OPT_BOOL(0, "quiet", &quiet, N_("suppress diff output")), OPT_BOOL(0, "quiet", &quiet, N_("suppress diff output")),
@ -105,9 +126,15 @@ static void cmd_log_init_finish(int argc, const char **argv, const char *prefix,
OPT_BOOL(0, "use-mailmap", &mailmap, N_("Use mail map file")), OPT_BOOL(0, "use-mailmap", &mailmap, N_("Use mail map file")),
{ OPTION_CALLBACK, 0, "decorate", NULL, NULL, N_("decorate options"), { OPTION_CALLBACK, 0, "decorate", NULL, NULL, N_("decorate options"),
PARSE_OPT_OPTARG, decorate_callback}, 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() OPT_END()
}; };
line_cb.rev = rev;
line_cb.prefix = prefix;
mailmap = use_mailmap_config; mailmap = use_mailmap_config;
argc = parse_options(argc, argv, prefix, argc = parse_options(argc, argv, prefix,
builtin_log_options, builtin_log_usage, builtin_log_options, builtin_log_usage,
@ -161,6 +188,10 @@ static void cmd_log_init_finish(int argc, const char **argv, const char *prefix,
rev->show_decorations = 1; rev->show_decorations = 1;
load_ref_decorations(decoration_style); load_ref_decorations(decoration_style);
} }
if (rev->line_level_traverse)
line_log_init(rev, line_cb.prefix, &line_cb.args);
setup_pager(); setup_pager();
} }

1273
line-log.c Normal file

File diff suppressed because it is too large Load Diff

53
line-log.h Normal file
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@ -0,0 +1,53 @@
#ifndef LINE_LOG_H
#define LINE_LOG_H
#include "diffcore.h"
struct rev_info;
struct commit;
/* A range [start,end]. Lines are numbered starting at 0, and the
* ranges include start but exclude end. */
struct range {
long start, end;
};
/* A set of ranges. The ranges must always be disjoint and sorted. */
struct range_set {
int alloc, nr;
struct range *ranges;
};
/* A diff, encoded as the set of pre- and post-image ranges where the
* files differ. A pair of ranges corresponds to a hunk. */
struct diff_ranges {
struct range_set parent;
struct range_set target;
};
/* Linked list of interesting files and their associated ranges. The
* list must be kept sorted by path.
*
* For simplicity, even though this is highly redundant, each
* line_log_data owns its 'path'.
*/
struct line_log_data {
struct line_log_data *next;
char *path;
char status;
struct range_set ranges;
int arg_alloc, arg_nr;
const char **args;
struct diff_filepair *pair;
struct diff_ranges diff;
};
extern void line_log_data_init(struct line_log_data *r);
extern void line_log_init(struct rev_info *rev, const char *prefix, struct string_list *args);
extern int line_log_filter(struct rev_info *rev);
extern int line_log_print(struct rev_info *rev, struct commit *commit);
#endif /* LINE_LOG_H */

243
line-range.c Normal file
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@ -0,0 +1,243 @@
#include "git-compat-util.h"
#include "line-range.h"
#include "xdiff-interface.h"
#include "strbuf.h"
#include "userdiff.h"
/*
* Parse one item in the -L option
*/
static const char *parse_loc(const char *spec, nth_line_fn_t nth_line,
void *data, long lines, long begin, long *ret)
{
char *term;
const char *line;
long num;
int reg_error;
regex_t regexp;
regmatch_t match[1];
/* Allow "-L <something>,+20" to mean starting at <something>
* for 20 lines, or "-L <something>,-5" for 5 lines ending at
* <something>.
*/
if (1 < begin && (spec[0] == '+' || spec[0] == '-')) {
num = strtol(spec + 1, &term, 10);
if (term != spec + 1) {
if (!ret)
return term;
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) {
if (ret)
*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;
/* in the scan-only case we are not interested in the regex */
if (!ret)
return term+1;
/* try [spec+1 .. term-1] as regexp */
*term = 0;
begin--; /* input is in human terms */
line = nth_line(data, begin);
if (!(reg_error = regcomp(&regexp, spec + 1, REG_NEWLINE)) &&
!(reg_error = regexec(&regexp, line, 1, match, 0))) {
const char *cp = line + match[0].rm_so;
const char *nline;
while (begin++ < lines) {
nline = nth_line(data, begin);
if (line <= cp && cp < nline)
break;
line = nline;
}
*ret = begin;
regfree(&regexp);
*term++ = '/';
return term;
}
else {
char errbuf[1024];
regerror(reg_error, &regexp, errbuf, 1024);
die("-L parameter '%s': %s", spec + 1, errbuf);
}
}
static int match_funcname(xdemitconf_t *xecfg, const char *bol, const char *eol)
{
if (xecfg) {
char buf[1];
return xecfg->find_func(bol, eol - bol, buf, 1,
xecfg->find_func_priv) >= 0;
}
if (bol == eol)
return 0;
if (isalpha(*bol) || *bol == '_' || *bol == '$')
return 1;
return 0;
}
static const char *find_funcname_matching_regexp(xdemitconf_t *xecfg, const char *start,
regex_t *regexp)
{
int reg_error;
regmatch_t match[1];
while (1) {
const char *bol, *eol;
reg_error = regexec(regexp, start, 1, match, 0);
if (reg_error == REG_NOMATCH)
return NULL;
else if (reg_error) {
char errbuf[1024];
regerror(reg_error, regexp, errbuf, 1024);
die("-L parameter: regexec() failed: %s", errbuf);
}
/* determine extent of line matched */
bol = start+match[0].rm_so;
eol = start+match[0].rm_eo;
while (bol > start && *bol != '\n')
bol--;
if (*bol == '\n')
bol++;
while (*eol && *eol != '\n')
eol++;
if (*eol == '\n')
eol++;
/* is it a funcname line? */
if (match_funcname(xecfg, (char*) bol, (char*) eol))
return bol;
start = eol;
}
}
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,
const char *path)
{
char *pattern;
const char *term;
struct userdiff_driver *drv;
xdemitconf_t *xecfg = NULL;
const char *start;
const char *p;
int reg_error;
regex_t regexp;
assert(*arg == ':');
term = arg+1;
while (*term && *term != ':') {
if (*term == '\\' && *(term+1))
term++;
term++;
}
if (term == arg+1)
return NULL;
if (!begin) /* skip_range_arg case */
return term;
pattern = xstrndup(arg+1, term-(arg+1));
start = nth_line_cb(cb_data, 0);
drv = userdiff_find_by_path(path);
if (drv && drv->funcname.pattern) {
const struct userdiff_funcname *pe = &drv->funcname;
xecfg = xcalloc(1, sizeof(*xecfg));
xdiff_set_find_func(xecfg, pe->pattern, pe->cflags);
}
reg_error = regcomp(&regexp, pattern, REG_NEWLINE);
if (reg_error) {
char errbuf[1024];
regerror(reg_error, &regexp, errbuf, 1024);
die("-L parameter '%s': %s", pattern, errbuf);
}
p = find_funcname_matching_regexp(xecfg, (char*) start, &regexp);
if (!p)
die("-L parameter '%s': no match", pattern);
*begin = 0;
while (p > nth_line_cb(cb_data, *begin))
(*begin)++;
if (*begin >= lines)
die("-L parameter '%s' matches at EOF", pattern);
*end = *begin+1;
while (*end < lines) {
const char *bol = nth_line_cb(cb_data, *end);
const char *eol = nth_line_cb(cb_data, *end+1);
if (match_funcname(xecfg, bol, eol))
break;
(*end)++;
}
regfree(&regexp);
free(xecfg);
free(pattern);
/* compensate for 1-based numbering */
(*begin)++;
return term;
}
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)
{
if (*arg == ':') {
arg = parse_range_funcname(arg, nth_line_cb, cb_data, lines, begin, end, path);
if (!arg || *arg)
return -1;
return 0;
}
arg = parse_loc(arg, nth_line_cb, cb_data, lines, 1, begin);
if (*arg == ',')
arg = parse_loc(arg + 1, nth_line_cb, cb_data, lines, *begin + 1, end);
if (*arg)
return -1;
return 0;
}
const char *skip_range_arg(const char *arg)
{
if (*arg == ':')
return parse_range_funcname(arg, NULL, NULL, 0, NULL, NULL, NULL);
arg = parse_loc(arg, NULL, NULL, 0, -1, NULL);
if (*arg == ',')
arg = parse_loc(arg+1, NULL, NULL, 0, 0, NULL);
return arg;
}

36
line-range.h Normal file
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@ -0,0 +1,36 @@
#ifndef LINE_RANGE_H
#define LINE_RANGE_H
/*
* Parse one item in an -L begin,end option w.r.t. the notional file
* object 'cb_data' consisting of 'lines' lines.
*
* The 'nth_line_cb' callback is used to determine the start of the
* 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.
*
* 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.
*/
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,
long *begin, long *end,
const char *path);
/*
* Scan past a range argument that could be parsed by
* 'parse_range_arg', to help the caller determine the start of the
* filename in '-L n,m:file' syntax.
*
* Returns a pointer to the first character after the 'n,m' part, or
* NULL in case the argument is obviously malformed.
*/
extern const char *skip_range_arg(const char *arg);
#endif /* LINE_RANGE_H */

View File

@ -10,6 +10,7 @@
#include "color.h" #include "color.h"
#include "gpg-interface.h" #include "gpg-interface.h"
#include "sequencer.h" #include "sequencer.h"
#include "line-log.h"
struct decoration name_decoration = { "object names" }; struct decoration name_decoration = { "object names" };
@ -796,6 +797,9 @@ int log_tree_commit(struct rev_info *opt, struct commit *commit)
log.parent = NULL; log.parent = NULL;
opt->loginfo = &log; opt->loginfo = &log;
if (opt->line_level_traverse)
return line_log_print(opt, commit);
shown = log_tree_diff(opt, commit, &log); shown = log_tree_diff(opt, commit, &log);
if (!shown && opt->loginfo && opt->always_show_header) { if (!shown && opt->loginfo && opt->always_show_header) {
log.parent = NULL; log.parent = NULL;

View File

@ -13,6 +13,7 @@
#include "decorate.h" #include "decorate.h"
#include "log-tree.h" #include "log-tree.h"
#include "string-list.h" #include "string-list.h"
#include "line-log.h"
#include "mailmap.h" #include "mailmap.h"
volatile show_early_output_fn_t show_early_output; volatile show_early_output_fn_t show_early_output;
@ -1914,6 +1915,12 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s
if (revs->combine_merges) if (revs->combine_merges)
revs->ignore_merges = 0; revs->ignore_merges = 0;
revs->diffopt.abbrev = revs->abbrev; revs->diffopt.abbrev = revs->abbrev;
if (revs->line_level_traverse) {
revs->limited = 1;
revs->topo_order = 1;
}
diff_setup_done(&revs->diffopt); diff_setup_done(&revs->diffopt);
grep_commit_pattern_type(GREP_PATTERN_TYPE_UNSPECIFIED, grep_commit_pattern_type(GREP_PATTERN_TYPE_UNSPECIFIED,
@ -2185,6 +2192,8 @@ int prepare_revision_walk(struct rev_info *revs)
return -1; return -1;
if (revs->topo_order) if (revs->topo_order)
sort_in_topological_order(&revs->commits, revs->lifo); sort_in_topological_order(&revs->commits, revs->lifo);
if (revs->line_level_traverse)
line_log_filter(revs);
if (revs->simplify_merges) if (revs->simplify_merges)
simplify_merges(revs); simplify_merges(revs);
if (revs->children.name) if (revs->children.name)
@ -2192,12 +2201,6 @@ int prepare_revision_walk(struct rev_info *revs)
return 0; 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) static enum rewrite_result rewrite_one(struct rev_info *revs, struct commit **pp)
{ {
struct commit_list *cache = NULL; struct commit_list *cache = NULL;
@ -2219,12 +2222,13 @@ static enum rewrite_result rewrite_one(struct rev_info *revs, struct commit **pp
} }
} }
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; struct commit_list **pp = &commit->parents;
while (*pp) { while (*pp) {
struct commit_list *parent = *pp; struct commit_list *parent = *pp;
switch (rewrite_one(revs, &parent->item)) { switch (rewrite_parent(revs, &parent->item)) {
case rewrite_one_ok: case rewrite_one_ok:
break; break;
case rewrite_one_noparents: case rewrite_one_noparents:
@ -2390,7 +2394,7 @@ enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit)
if (action == commit_show && if (action == commit_show &&
!revs->show_all && !revs->show_all &&
revs->prune && revs->dense && want_ancestry(revs)) { 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 commit_error;
} }
return action; return action;

View File

@ -97,7 +97,8 @@ struct rev_info {
cherry_mark:1, cherry_mark:1,
bisect:1, bisect:1,
ancestry_path:1, ancestry_path:1,
first_parent_only:1; first_parent_only:1,
line_level_traverse:1;
/* Diff flags */ /* Diff flags */
unsigned int diff:1, unsigned int diff:1,
@ -176,6 +177,9 @@ struct rev_info {
int count_left; int count_left;
int count_right; int count_right;
int count_same; int count_same;
/* line level range that we are chasing */
struct decoration line_log_data;
}; };
#define REV_TREE_SAME 0 #define REV_TREE_SAME 0
@ -242,4 +246,14 @@ enum commit_action {
extern enum commit_action get_commit_action(struct rev_info *revs, struct commit *commit); 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); 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 #endif

34
t/perf/p4211-line-log.sh Executable file
View File

@ -0,0 +1,34 @@
#!/bin/sh
test_description='Tests log -L performance'
. ./perf-lib.sh
test_perf_default_repo
# Pick a file to log pseudo-randomly. The sort key is the blob hash,
# so it is stable.
test_expect_success 'select a file' '
git ls-tree HEAD | grep ^100644 |
sort -k 3 | head -1 | cut -f 2 >filelist
'
file=$(cat filelist)
export file
test_perf 'git rev-list --topo-order (baseline)' '
git rev-list --topo-order HEAD >/dev/null
'
test_perf 'git log --follow (baseline for -M)' '
git log --oneline --follow -- "$file" >/dev/null
'
test_perf 'git log -L' '
git log -L 1:"$file" >/dev/null
'
test_perf 'git log -M -L' '
git log -M -L 1:"$file" >/dev/null
'
test_done

67
t/t4211-line-log.sh Executable file
View File

@ -0,0 +1,67 @@
#!/bin/sh
test_description='test log -L'
. ./test-lib.sh
test_expect_success 'setup (import history)' '
git fast-import < "$TEST_DIRECTORY"/t4211/history.export &&
git reset --hard
'
canned_test_1 () {
test_expect_$1 "$2" "
git log $2 >actual &&
test_cmp \"\$TEST_DIRECTORY\"/t4211/expect.$3 actual
"
}
canned_test () {
canned_test_1 success "$@"
}
canned_test_failure () {
canned_test_1 failure "$@"
}
test_bad_opts () {
test_expect_success "invalid args: $1" "
test_must_fail git log $1 2>errors &&
grep '$2' errors
"
}
canned_test "-L 4,12:a.c simple" simple-f
canned_test "-L 4,+9:a.c simple" simple-f
canned_test "-L '/long f/,/^}/:a.c' simple" simple-f
canned_test "-L :f:a.c simple" simple-f-to-main
canned_test "-L '/main/,/^}/:a.c' simple" simple-main
canned_test "-L :main:a.c simple" simple-main-to-end
canned_test "-L 1,+4:a.c simple" beginning-of-file
canned_test "-L 20:a.c simple" end-of-file
canned_test "-L '/long f/',/^}/:a.c -L /main/,/^}/:a.c simple" two-ranges
canned_test "-L 24,+1:a.c simple" vanishes-early
canned_test "-M -L '/long f/,/^}/:b.c' move-support" move-support-f
canned_test "-M -L ':f:b.c' parallel-change" parallel-change-f-to-main
canned_test "-L 4,12:a.c -L :main:a.c simple" multiple
canned_test "-L 4,18:a.c -L :main:a.c simple" multiple-overlapping
canned_test "-L :main:a.c -L 4,18:a.c simple" multiple-overlapping
canned_test "-L 4:a.c -L 8,12:a.c simple" multiple-superset
canned_test "-L 8,12:a.c -L 4:a.c simple" multiple-superset
test_bad_opts "-L" "switch.*requires a value"
test_bad_opts "-L b.c" "argument.*not of the form"
test_bad_opts "-L 1:" "argument.*not of the form"
test_bad_opts "-L 1:nonexistent" "There is no path"
test_bad_opts "-L 1:simple" "There is no path"
test_bad_opts "-L '/foo:b.c'" "argument.*not of the form"
test_bad_opts "-L 1000:b.c" "has only.*lines"
test_bad_opts "-L 1,1000:b.c" "has only.*lines"
test_bad_opts "-L :b.c" "argument.*not of the form"
test_bad_opts "-L :foo:b.c" "no match"
test_done

View File

@ -0,0 +1,43 @@
commit 4a23ae5c98d59a58c6da036156959f2dc9f472ad
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:47:40 2013 +0100
change at very beginning
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -1,3 +1,4 @@
+#include <unistd.h>
#include <stdio.h>
long f(long x)
commit a6eb82647d5d67f893da442f8f9375fd89a3b1e2
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:45:16 2013 +0100
touch both functions
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -1,3 +1,3 @@
#include <stdio.h>
-int f(int x)
+long f(long x)
commit de4c48ae814792c02a49c4c3c0c757ae69c55f6a
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:44:48 2013 +0100
initial
diff --git a/a.c b/a.c
--- /dev/null
+++ b/a.c
@@ -0,0 +1,3 @@
+#include <stdio.h>
+
+int f(int x)

View File

@ -0,0 +1,62 @@
commit 4659538844daa2849b1a9e7d6fadb96fcd26fc83
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:48:43 2013 +0100
change back to complete line
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -20,3 +20,5 @@
printf("%ld\n", f(15));
return 0;
-}
\ No newline at end of file
+}
+
+/* incomplete lines are bad! */
commit 100b61a6f2f720f812620a9d10afb3a960ccb73c
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:48:10 2013 +0100
change to an incomplete line at end
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -20,3 +20,3 @@
printf("%ld\n", f(15));
return 0;
-}
+}
\ No newline at end of file
commit a6eb82647d5d67f893da442f8f9375fd89a3b1e2
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:45:16 2013 +0100
touch both functions
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -19,3 +19,3 @@
- printf("%d\n", f(15));
+ printf("%ld\n", f(15));
return 0;
}
commit de4c48ae814792c02a49c4c3c0c757ae69c55f6a
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:44:48 2013 +0100
initial
diff --git a/a.c b/a.c
--- /dev/null
+++ b/a.c
@@ -0,0 +18,3 @@
+ printf("%d\n", f(15));
+ return 0;
+}

View File

@ -0,0 +1,80 @@
commit 6ce3c4ff690136099bb17e1a8766b75764726ea7
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:49:50 2013 +0100
another simple change
diff --git a/b.c b/b.c
--- a/b.c
+++ b/b.c
@@ -4,9 +4,9 @@
long f(long x)
{
int s = 0;
while (x) {
- x >>= 1;
+ x /= 2;
s++;
}
return s;
}
commit a6eb82647d5d67f893da442f8f9375fd89a3b1e2
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:45:16 2013 +0100
touch both functions
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -3,9 +3,9 @@
-int f(int x)
+long f(long x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
return s;
}
commit f04fb20f2c77850996cba739709acc6faecc58f7
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:44:55 2013 +0100
change f()
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -3,8 +3,9 @@
int f(int x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
+ return s;
}
commit de4c48ae814792c02a49c4c3c0c757ae69c55f6a
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:44:48 2013 +0100
initial
diff --git a/a.c b/a.c
--- /dev/null
+++ b/a.c
@@ -0,0 +3,8 @@
+int f(int x)
+{
+ int s = 0;
+ while (x) {
+ x >>= 1;
+ s++;
+ }
+}

104
t/t4211/expect.multiple Normal file
View File

@ -0,0 +1,104 @@
commit 4659538844daa2849b1a9e7d6fadb96fcd26fc83
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:48:43 2013 +0100
change back to complete line
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -18,5 +18,7 @@
int main ()
{
printf("%ld\n", f(15));
return 0;
-}
\ No newline at end of file
+}
+
+/* incomplete lines are bad! */
commit 100b61a6f2f720f812620a9d10afb3a960ccb73c
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:48:10 2013 +0100
change to an incomplete line at end
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -18,5 +18,5 @@
int main ()
{
printf("%ld\n", f(15));
return 0;
-}
+}
\ No newline at end of file
commit a6eb82647d5d67f893da442f8f9375fd89a3b1e2
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:45:16 2013 +0100
touch both functions
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -3,9 +3,9 @@
-int f(int x)
+long f(long x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
return s;
}
@@ -17,5 +17,5 @@
int main ()
{
- printf("%d\n", f(15));
+ printf("%ld\n", f(15));
return 0;
}
commit f04fb20f2c77850996cba739709acc6faecc58f7
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:44:55 2013 +0100
change f()
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -3,8 +3,9 @@
int f(int x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
+ return s;
}
commit de4c48ae814792c02a49c4c3c0c757ae69c55f6a
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:44:48 2013 +0100
initial
diff --git a/a.c b/a.c
--- /dev/null
+++ b/a.c
@@ -0,0 +3,8 @@
+int f(int x)
+{
+ int s = 0;
+ while (x) {
+ x >>= 1;
+ s++;
+ }
+}

View File

@ -0,0 +1,187 @@
commit 4659538844daa2849b1a9e7d6fadb96fcd26fc83
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:48:43 2013 +0100
change back to complete line
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -4,19 +4,21 @@
long f(long x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
return s;
}
/*
* This is only an example!
*/
int main ()
{
printf("%ld\n", f(15));
return 0;
-}
\ No newline at end of file
+}
+
+/* incomplete lines are bad! */
commit 100b61a6f2f720f812620a9d10afb3a960ccb73c
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:48:10 2013 +0100
change to an incomplete line at end
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -4,19 +4,19 @@
long f(long x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
return s;
}
/*
* This is only an example!
*/
int main ()
{
printf("%ld\n", f(15));
return 0;
-}
+}
\ No newline at end of file
commit 39b6eb2d5b706d3322184a169f666f25ed3fbd00
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:45:41 2013 +0100
touch comment
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -3,19 +3,19 @@
long f(long x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
return s;
}
/*
- * A comment.
+ * This is only an example!
*/
int main ()
{
printf("%ld\n", f(15));
return 0;
}
commit a6eb82647d5d67f893da442f8f9375fd89a3b1e2
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:45:16 2013 +0100
touch both functions
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -3,19 +3,19 @@
-int f(int x)
+long f(long x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
return s;
}
/*
* A comment.
*/
int main ()
{
- printf("%d\n", f(15));
+ printf("%ld\n", f(15));
return 0;
}
commit f04fb20f2c77850996cba739709acc6faecc58f7
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:44:55 2013 +0100
change f()
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -3,18 +3,19 @@
int f(int x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
+ return s;
}
/*
* A comment.
*/
int main ()
{
printf("%d\n", f(15));
return 0;
}
commit de4c48ae814792c02a49c4c3c0c757ae69c55f6a
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:44:48 2013 +0100
initial
diff --git a/a.c b/a.c
--- /dev/null
+++ b/a.c
@@ -0,0 +3,18 @@
+int f(int x)
+{
+ int s = 0;
+ while (x) {
+ x >>= 1;
+ s++;
+ }
+}
+
+/*
+ * A comment.
+ */
+
+int main ()
+{
+ printf("%d\n", f(15));
+ return 0;
+}

View File

@ -0,0 +1,59 @@
commit a6eb82647d5d67f893da442f8f9375fd89a3b1e2
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:45:16 2013 +0100
touch both functions
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -3,9 +3,9 @@
-int f(int x)
+long f(long x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
return s;
}
commit f04fb20f2c77850996cba739709acc6faecc58f7
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:44:55 2013 +0100
change f()
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -3,8 +3,9 @@
int f(int x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
+ return s;
}
commit de4c48ae814792c02a49c4c3c0c757ae69c55f6a
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:44:48 2013 +0100
initial
diff --git a/a.c b/a.c
--- /dev/null
+++ b/a.c
@@ -0,0 +3,8 @@
+int f(int x)
+{
+ int s = 0;
+ while (x) {
+ x >>= 1;
+ s++;
+ }
+}

View File

@ -0,0 +1,160 @@
commit 0469c60bc4837d52d97b1f081dec5f98dea20fed
Merge: ba227c6 6ce3c4f
Author: Thomas Rast <trast@inf.ethz.ch>
Date: Fri Apr 12 16:16:24 2013 +0200
Merge across the rename
commit 6ce3c4ff690136099bb17e1a8766b75764726ea7
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:49:50 2013 +0100
another simple change
diff --git a/b.c b/b.c
--- a/b.c
+++ b/b.c
@@ -4,14 +4,14 @@
long f(long x)
{
int s = 0;
while (x) {
- x >>= 1;
+ x /= 2;
s++;
}
return s;
}
/*
* This is only an example!
*/
commit ba227c6632349700fbb957dec2b50f5e2358be3f
Author: Thomas Rast <trast@inf.ethz.ch>
Date: Fri Apr 12 16:15:57 2013 +0200
change on another line of history while rename happens
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -4,14 +4,14 @@
long f(long x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
return s;
}
/*
- * This is only an example!
+ * This is only a short example!
*/
commit 39b6eb2d5b706d3322184a169f666f25ed3fbd00
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:45:41 2013 +0100
touch comment
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -3,14 +3,14 @@
long f(long x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
return s;
}
/*
- * A comment.
+ * This is only an example!
*/
commit a6eb82647d5d67f893da442f8f9375fd89a3b1e2
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:45:16 2013 +0100
touch both functions
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -3,14 +3,14 @@
-int f(int x)
+long f(long x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
return s;
}
/*
* A comment.
*/
commit f04fb20f2c77850996cba739709acc6faecc58f7
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:44:55 2013 +0100
change f()
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -3,13 +3,14 @@
int f(int x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
+ return s;
}
/*
* A comment.
*/
commit de4c48ae814792c02a49c4c3c0c757ae69c55f6a
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:44:48 2013 +0100
initial
diff --git a/a.c b/a.c
--- /dev/null
+++ b/a.c
@@ -0,0 +3,13 @@
+int f(int x)
+{
+ int s = 0;
+ while (x) {
+ x >>= 1;
+ s++;
+ }
+}
+
+/*
+ * A comment.
+ */
+

59
t/t4211/expect.simple-f Normal file
View File

@ -0,0 +1,59 @@
commit a6eb82647d5d67f893da442f8f9375fd89a3b1e2
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:45:16 2013 +0100
touch both functions
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -3,9 +3,9 @@
-int f(int x)
+long f(long x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
return s;
}
commit f04fb20f2c77850996cba739709acc6faecc58f7
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:44:55 2013 +0100
change f()
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -3,8 +3,9 @@
int f(int x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
+ return s;
}
commit de4c48ae814792c02a49c4c3c0c757ae69c55f6a
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:44:48 2013 +0100
initial
diff --git a/a.c b/a.c
--- /dev/null
+++ b/a.c
@@ -0,0 +3,8 @@
+int f(int x)
+{
+ int s = 0;
+ while (x) {
+ x >>= 1;
+ s++;
+ }
+}

View File

@ -0,0 +1,100 @@
commit 39b6eb2d5b706d3322184a169f666f25ed3fbd00
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:45:41 2013 +0100
touch comment
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -3,14 +3,14 @@
long f(long x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
return s;
}
/*
- * A comment.
+ * This is only an example!
*/
commit a6eb82647d5d67f893da442f8f9375fd89a3b1e2
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:45:16 2013 +0100
touch both functions
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -3,14 +3,14 @@
-int f(int x)
+long f(long x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
return s;
}
/*
* A comment.
*/
commit f04fb20f2c77850996cba739709acc6faecc58f7
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:44:55 2013 +0100
change f()
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -3,13 +3,14 @@
int f(int x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
+ return s;
}
/*
* A comment.
*/
commit de4c48ae814792c02a49c4c3c0c757ae69c55f6a
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:44:48 2013 +0100
initial
diff --git a/a.c b/a.c
--- /dev/null
+++ b/a.c
@@ -0,0 +3,13 @@
+int f(int x)
+{
+ int s = 0;
+ while (x) {
+ x >>= 1;
+ s++;
+ }
+}
+
+/*
+ * A comment.
+ */
+

View File

@ -0,0 +1,68 @@
commit 4659538844daa2849b1a9e7d6fadb96fcd26fc83
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:48:43 2013 +0100
change back to complete line
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -18,5 +18,5 @@
int main ()
{
printf("%ld\n", f(15));
return 0;
-}
\ No newline at end of file
+}
commit 100b61a6f2f720f812620a9d10afb3a960ccb73c
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:48:10 2013 +0100
change to an incomplete line at end
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -18,5 +18,5 @@
int main ()
{
printf("%ld\n", f(15));
return 0;
-}
+}
\ No newline at end of file
commit a6eb82647d5d67f893da442f8f9375fd89a3b1e2
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:45:16 2013 +0100
touch both functions
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -17,5 +17,5 @@
int main ()
{
- printf("%d\n", f(15));
+ printf("%ld\n", f(15));
return 0;
}
commit de4c48ae814792c02a49c4c3c0c757ae69c55f6a
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:44:48 2013 +0100
initial
diff --git a/a.c b/a.c
--- /dev/null
+++ b/a.c
@@ -0,0 +16,5 @@
+int main ()
+{
+ printf("%d\n", f(15));
+ return 0;
+}

View File

@ -0,0 +1,70 @@
commit 4659538844daa2849b1a9e7d6fadb96fcd26fc83
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:48:43 2013 +0100
change back to complete line
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -18,5 +18,7 @@
int main ()
{
printf("%ld\n", f(15));
return 0;
-}
\ No newline at end of file
+}
+
+/* incomplete lines are bad! */
commit 100b61a6f2f720f812620a9d10afb3a960ccb73c
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:48:10 2013 +0100
change to an incomplete line at end
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -18,5 +18,5 @@
int main ()
{
printf("%ld\n", f(15));
return 0;
-}
+}
\ No newline at end of file
commit a6eb82647d5d67f893da442f8f9375fd89a3b1e2
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:45:16 2013 +0100
touch both functions
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -17,5 +17,5 @@
int main ()
{
- printf("%d\n", f(15));
+ printf("%ld\n", f(15));
return 0;
}
commit de4c48ae814792c02a49c4c3c0c757ae69c55f6a
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:44:48 2013 +0100
initial
diff --git a/a.c b/a.c
--- /dev/null
+++ b/a.c
@@ -0,0 +16,5 @@
+int main ()
+{
+ printf("%d\n", f(15));
+ return 0;
+}

102
t/t4211/expect.two-ranges Normal file
View File

@ -0,0 +1,102 @@
commit 4659538844daa2849b1a9e7d6fadb96fcd26fc83
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:48:43 2013 +0100
change back to complete line
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -18,5 +18,5 @@
int main ()
{
printf("%ld\n", f(15));
return 0;
-}
\ No newline at end of file
+}
commit 100b61a6f2f720f812620a9d10afb3a960ccb73c
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:48:10 2013 +0100
change to an incomplete line at end
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -18,5 +18,5 @@
int main ()
{
printf("%ld\n", f(15));
return 0;
-}
+}
\ No newline at end of file
commit a6eb82647d5d67f893da442f8f9375fd89a3b1e2
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:45:16 2013 +0100
touch both functions
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -3,9 +3,9 @@
-int f(int x)
+long f(long x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
return s;
}
@@ -17,5 +17,5 @@
int main ()
{
- printf("%d\n", f(15));
+ printf("%ld\n", f(15));
return 0;
}
commit f04fb20f2c77850996cba739709acc6faecc58f7
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:44:55 2013 +0100
change f()
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -3,8 +3,9 @@
int f(int x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
+ return s;
}
commit de4c48ae814792c02a49c4c3c0c757ae69c55f6a
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:44:48 2013 +0100
initial
diff --git a/a.c b/a.c
--- /dev/null
+++ b/a.c
@@ -0,0 +3,8 @@
+int f(int x)
+{
+ int s = 0;
+ while (x) {
+ x >>= 1;
+ s++;
+ }
+}

View File

@ -0,0 +1,39 @@
commit 4659538844daa2849b1a9e7d6fadb96fcd26fc83
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:48:43 2013 +0100
change back to complete line
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -22,1 +24,1 @@
-}
\ No newline at end of file
+/* incomplete lines are bad! */
commit 100b61a6f2f720f812620a9d10afb3a960ccb73c
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:48:10 2013 +0100
change to an incomplete line at end
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -22,1 +22,1 @@
-}
+}
\ No newline at end of file
commit de4c48ae814792c02a49c4c3c0c757ae69c55f6a
Author: Thomas Rast <trast@student.ethz.ch>
Date: Thu Feb 28 10:44:48 2013 +0100
initial
diff --git a/a.c b/a.c
--- /dev/null
+++ b/a.c
@@ -0,0 +20,1 @@
+}

406
t/t4211/history.export Normal file
View File

@ -0,0 +1,406 @@
blob
mark :1
data 157
#include <stdio.h>
int f(int x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
}
/*
* A comment.
*/
int main ()
{
printf("%d\n", f(15));
return 0;
}
reset refs/tags/simple
commit refs/tags/simple
mark :2
author Thomas Rast <trast@student.ethz.ch> 1362044688 +0100
committer Thomas Rast <trast@student.ethz.ch> 1362044688 +0100
data 8
initial
M 100644 :1 a.c
blob
mark :3
data 168
#include <stdio.h>
int f(int x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
return s;
}
/*
* A comment.
*/
int main ()
{
printf("%d\n", f(15));
return 0;
}
commit refs/tags/simple
mark :4
author Thomas Rast <trast@student.ethz.ch> 1362044695 +0100
committer Thomas Rast <trast@student.ethz.ch> 1362044695 +0100
data 11
change f()
from :2
M 100644 :3 a.c
blob
mark :5
data 171
#include <stdio.h>
long f(long x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
return s;
}
/*
* A comment.
*/
int main ()
{
printf("%ld\n", f(15));
return 0;
}
commit refs/tags/simple
mark :6
author Thomas Rast <trast@student.ethz.ch> 1362044716 +0100
committer Thomas Rast <trast@student.ethz.ch> 1362044716 +0100
data 21
touch both functions
from :4
M 100644 :5 a.c
blob
mark :7
data 185
#include <stdio.h>
long f(long x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
return s;
}
/*
* This is only an example!
*/
int main ()
{
printf("%ld\n", f(15));
return 0;
}
commit refs/tags/simple
mark :8
author Thomas Rast <trast@student.ethz.ch> 1362044741 +0100
committer Thomas Rast <trast@student.ethz.ch> 1362044741 +0100
data 14
touch comment
from :6
M 100644 :7 a.c
blob
mark :9
data 205
#include <unistd.h>
#include <stdio.h>
long f(long x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
return s;
}
/*
* This is only an example!
*/
int main ()
{
printf("%ld\n", f(15));
return 0;
}
commit refs/tags/simple
mark :10
author Thomas Rast <trast@student.ethz.ch> 1362044860 +0100
committer Thomas Rast <trast@student.ethz.ch> 1362044860 +0100
data 25
change at very beginning
from :8
M 100644 :9 a.c
blob
mark :11
data 204
#include <unistd.h>
#include <stdio.h>
long f(long x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
return s;
}
/*
* This is only an example!
*/
int main ()
{
printf("%ld\n", f(15));
return 0;
}
commit refs/tags/simple
mark :12
author Thomas Rast <trast@student.ethz.ch> 1362044890 +0100
committer Thomas Rast <trast@student.ethz.ch> 1362044890 +0100
data 36
change to an incomplete line at end
from :10
M 100644 :11 a.c
blob
mark :13
data 238
#include <unistd.h>
#include <stdio.h>
long f(long x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
return s;
}
/*
* This is only an example!
*/
int main ()
{
printf("%ld\n", f(15));
return 0;
}
/* incomplete lines are bad! */
commit refs/tags/simple
mark :14
author Thomas Rast <trast@student.ethz.ch> 1362044923 +0100
committer Thomas Rast <trast@student.ethz.ch> 1362044923 +0100
data 29
change back to complete line
from :12
M 100644 :13 a.c
commit refs/tags/move-support
mark :15
author Thomas Rast <trast@student.ethz.ch> 1362044968 +0100
committer Thomas Rast <trast@student.ethz.ch> 1362044968 +0100
data 10
move file
from :14
D a.c
M 100644 :13 b.c
blob
mark :16
data 237
#include <unistd.h>
#include <stdio.h>
long f(long x)
{
int s = 0;
while (x) {
x /= 2;
s++;
}
return s;
}
/*
* This is only an example!
*/
int main ()
{
printf("%ld\n", f(15));
return 0;
}
/* incomplete lines are bad! */
commit refs/tags/move-support
mark :17
author Thomas Rast <trast@student.ethz.ch> 1362044990 +0100
committer Thomas Rast <trast@student.ethz.ch> 1362044990 +0100
data 22
another simple change
from :15
M 100644 :16 b.c
blob
mark :18
data 254
#include <unistd.h>
#include <stdio.h>
long f(long x);
/*
* This is only an example!
*/
int main ()
{
printf("%ld\n", f(15));
return 0;
}
/* incomplete lines are bad! */
long f(long x)
{
int s = 0;
while (x) {
x /= 2;
s++;
}
return s;
}
commit refs/heads/master
mark :19
author Thomas Rast <trast@student.ethz.ch> 1362045024 +0100
committer Thomas Rast <trast@student.ethz.ch> 1362045024 +0100
data 21
move within the file
from :17
M 100644 :18 b.c
blob
mark :20
data 243
#include <unistd.h>
#include <stdio.h>
long f(long x)
{
int s = 0;
while (x) {
x >>= 1;
s++;
}
return s;
}
/*
* This is only a short example!
*/
int main ()
{
printf("%ld\n", f(15));
return 0;
}
/* incomplete lines are bad! */
commit refs/heads/parallel-change
mark :21
author Thomas Rast <trast@inf.ethz.ch> 1365776157 +0200
committer Thomas Rast <trast@inf.ethz.ch> 1365776157 +0200
data 55
change on another line of history while rename happens
from :14
M 100644 :20 a.c
blob
mark :22
data 242
#include <unistd.h>
#include <stdio.h>
long f(long x)
{
int s = 0;
while (x) {
x /= 2;
s++;
}
return s;
}
/*
* This is only a short example!
*/
int main ()
{
printf("%ld\n", f(15));
return 0;
}
/* incomplete lines are bad! */
commit refs/heads/parallel-change
mark :23
author Thomas Rast <trast@inf.ethz.ch> 1365776184 +0200
committer Thomas Rast <trast@inf.ethz.ch> 1365776191 +0200
data 24
Merge across the rename
from :21
merge :17
D a.c
M 100644 :22 b.c
reset refs/heads/parallel-change
from :23

View File

@ -175,6 +175,12 @@ test_expect_success 'blame -L with invalid end' '
grep "has only 2 lines" errors grep "has only 2 lines" errors
' '
test_expect_success 'blame parses <end> part of -L' '
git blame -L1,1 tres >out &&
cat out &&
test $(wc -l < out) -eq 1
'
test_expect_success 'indent of line numbers, nine lines' ' test_expect_success 'indent of line numbers, nine lines' '
git blame nine_lines >actual && git blame nine_lines >actual &&
test $(grep -c " " actual) = 0 test $(grep -c " " actual) = 0