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blame: Document and add help text for -f, -n, and -p

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New options --show-name, --show-number and --porcelain were not
documented.  Also add -p as a short-hand for --porcelain for
consistency.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2006-10-12 00:44:27 -07:00
parent f789e34746
commit b24642b2f2
2 changed files with 45 additions and 4 deletions
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39
Documentation/git-blame.txt
View file

@ -7,7 +7,7 @@ git-blame - Show what revision and author last modified each line of a file
SYNOPSIS
--------
'git-blame' [-c] [-l] [-t] [-S <revs-file>] [--] <file> [<rev>]
'git-blame' [-c] [-l] [-t] [-f] [-n] [-p] [-S <revs-file>] [--] <file> [<rev>]
DESCRIPTION
-----------
@ -45,10 +45,47 @@ OPTIONS
-S, --rev-file <revs-file>::
Use revs from revs-file instead of calling gitlink:git-rev-list[1].
-f, --show-name::
Show filename in the original commit. By default
filename is shown if there is any line that came from a
file with different name, due to rename detection.
-n, --show-number::
Show line number in the original commit (Default: off).
-p, --porcelain::
Show in a format designed for machine consumption.
-h, --help::
Show help message.
THE PORCELAIN FORMAT
--------------------
In this format, each line is output after a header; the
header at the minumum has the first line which has:
- 40-byte SHA-1 of the commit the line is attributed to;
- the line number of the line in the original file;
- the line number of the line in the final file;
- on a line that starts a group of line from a different
commit than the previous one, the number of lines in this
group. On subsequent lines this field is absent.
This header line is followed by the following information
at least once for each commit:
- author name ("author"), email ("author-mail"), time
("author-time"), and timezone ("author-tz"); similarly
for committer.
- filename in the commit the line is attributed to.
- the first line of the commit log message ("summary").
The contents of the actual line is output after the above
header, prefixed by a TAB. This is to allow adding more
header elements later.
SEE ALSO
--------
gitlink:git-annotate[1]

10
blame.c
View file

@ -22,11 +22,14 @@
#define DEBUG 0
static const char blame_usage[] =
"git-blame [-c] [-l] [-t] [-S <revs-file>] [--] file [commit]\n"
"git-blame [-c] [-l] [-t] [-f] [-n] [-p] [-S <revs-file>] [--] file [commit]\n"
" -c, --compatibility Use the same output mode as git-annotate (Default: off)\n"
" -l, --long Show long commit SHA1 (Default: off)\n"
" -t, --time Show raw timestamp (Default: off)\n"
" -S, --revs-file Use revisions from revs-file instead of calling git-rev-list\n"
" -f, --show-name Show original filename (Default: auto)\n"
" -n, --show-number Show original linenumber (Default: off)\n"
" -p, --porcelain Show in a format designed for machine consumption\n"
" -S revs-file Use revisions from revs-file instead of calling git-rev-list\n"
" -h, --help This message";
static struct commit **blame_lines;
@ -951,7 +954,8 @@ int main(int argc, const char **argv)
show_number = 1;
continue;
}
if (!strcmp(argv[i], "--porcelain")) {
if (!strcmp(argv[i], "-p") ||
!strcmp(argv[i], "--porcelain")) {
porcelain = 1;
sha1_len = 40;
show_raw_time = 1;