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git-blame -w: ignore whitespace

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When refactoring code to split one iteration of a too deeply
nested loop into a separate function, it inevitably makes the
indentation levels shallower (that's the sole point of such a
refactoring).  With "git blame -w", you can ignore such
re-indentation and pass blame for such moved lines to the
parent.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2007-06-09 18:14:56 -07:00
parent f291504563
commit b82871b3c3
2 changed files with 12 additions and 3 deletions
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7
Documentation/git-blame.txt
View file

@ -8,7 +8,7 @@ git-blame - Show what revision and author last modified each line of a file
SYNOPSIS
--------
[verse]
'git-blame' [-c] [-b] [--root] [-s] [-l] [-t] [-f] [-n] [-p] [--incremental] [-L n,m]
'git-blame' [-c] [-b] [-l] [--root] [-t] [-f] [-n] [-s] [-p] [-w] [--incremental] [-L n,m]
[-S <revs-file>] [-M] [-C] [-C] [--since=<date>]
[<rev> | --contents <file>] [--] <file>
@ -63,6 +63,11 @@ include::blame-options.txt[]
-s::
Suppress author name and timestamp from the output.
-w::
Ignore whitespace when comparing parent's version and
child's to find where the lines came from.
THE PORCELAIN FORMAT
--------------------

8
builtin-blame.c
View file

@ -20,7 +20,7 @@
#include "mailmap.h"
static char blame_usage[] =
"git-blame [-c] [-b] [-l] [--root] [-t] [-f] [-n] [-s] [-p] [-L n,m] [-S <revs-file>] [-M] [-C] [-C] [--contents <filename>] [--incremental] [commit] [--] file\n"
"git-blame [-c] [-b] [-l] [--root] [-t] [-f] [-n] [-s] [-p] [-w] [-L n,m] [-S <revs-file>] [-M] [-C] [-C] [--contents <filename>] [--incremental] [commit] [--] file\n"
" -c Use the same output mode as git-annotate (Default: off)\n"
" -b Show blank SHA-1 for boundary commits (Default: off)\n"
" -l Show long commit SHA1 (Default: off)\n"
@ -30,6 +30,7 @@ static char blame_usage[] =
" -n, --show-number Show original linenumber (Default: off)\n"
" -s Suppress author name and timestamp (Default: off)\n"
" -p, --porcelain Show in a format designed for machine consumption\n"
" -w Ignore whitespace differences\n"
" -L n,m Process only line range n,m, counting from 1\n"
" -M, -C Find line movements within and across files\n"
" --incremental Show blame entries as we find them, incrementally\n"
@ -45,6 +46,7 @@ static int show_root;
static int blank_boundary;
static int incremental;
static int cmd_is_annotate;
static int xdl_opts = XDF_NEED_MINIMAL;
static struct path_list mailmap;
#ifndef DEBUG
@ -515,7 +517,7 @@ static struct patch *compare_buffer(mmfile_t *file_p, mmfile_t *file_o,
xdemitconf_t xecfg;
xdemitcb_t ecb;
xpp.flags = XDF_NEED_MINIMAL;
xpp.flags = xdl_opts;
xecfg.ctxlen = context;
xecfg.flags = 0;
ecb.outf = xdiff_outf;
@ -2159,6 +2161,8 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
output_option |= OUTPUT_LONG_OBJECT_NAME;
else if (!strcmp("-s", arg))
output_option |= OUTPUT_NO_AUTHOR;
else if (!strcmp("-w", arg))
xdl_opts |= XDF_IGNORE_WHITESPACE;
else if (!strcmp("-S", arg) && ++i < argc)
revs_file = argv[i];
else if (!prefixcmp(arg, "-M")) {