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diff: --full-index

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A new option, --full-index, is introduced to diff family.  This
causes the full object name of pre- and post-images to appear on
the index line of patch formatted output, to be used in
conjunction with --allow-binary-replacement option of git-apply.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2005-11-14 17:53:22 -08:00
parent 011f4274bb
commit 80b1e511d7
3 changed files with 16 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
Documentation/diff-options.txt
View file

@ -13,6 +13,11 @@
--name-status::
Show only names and status of changed files.
--full-index::
Instead of the first handful characters, show full
object name of pre- and post-image blob on the "index"
line when generating a patch format output.
-B::
Break complete rewrite changes into pairs of delete and create.

14
diff.c
View file

@ -650,7 +650,7 @@ static void diff_fill_sha1_info(struct diff_filespec *one)
memset(one->sha1, 0, 20);
}
static void run_diff(struct diff_filepair *p)
static void run_diff(struct diff_filepair *p, struct diff_options *o)
{
const char *pgm = external_diff();
char msg[PATH_MAX*2+300], *xfrm_msg;
@ -713,11 +713,11 @@ static void run_diff(struct diff_filepair *p)
if (memcmp(one->sha1, two->sha1, 20)) {
char one_sha1[41];
const char *index_fmt = o->full_index ? "index %s..%s" : "index %.7s..%.7s";
memcpy(one_sha1, sha1_to_hex(one->sha1), 41);
len += snprintf(msg + len, sizeof(msg) - len,
"index %.7s..%.7s", one_sha1,
sha1_to_hex(two->sha1));
index_fmt, one_sha1, sha1_to_hex(two->sha1));
if (one->mode == two->mode)
len += snprintf(msg + len, sizeof(msg) - len,
" %06o", one->mode);
@ -794,6 +794,8 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
options->line_termination = 0;
else if (!strncmp(arg, "-l", 2))
options->rename_limit = strtoul(arg+2, NULL, 10);
else if (!strcmp(arg, "--full-index"))
options->full_index = 1;
else if (!strcmp(arg, "--name-only"))
options->output_format = DIFF_FORMAT_NAME;
else if (!strcmp(arg, "--name-status"))
@ -1022,7 +1024,7 @@ int diff_unmodified_pair(struct diff_filepair *p)
return 0;
}
static void diff_flush_patch(struct diff_filepair *p)
static void diff_flush_patch(struct diff_filepair *p, struct diff_options *o)
{
if (diff_unmodified_pair(p))
return;
@ -1031,7 +1033,7 @@ static void diff_flush_patch(struct diff_filepair *p)
(DIFF_FILE_VALID(p->two) && S_ISDIR(p->two->mode)))
return; /* no tree diffs in patch format */
run_diff(p);
run_diff(p, o);
}
int diff_queue_is_empty(void)
@ -1163,7 +1165,7 @@ void diff_flush(struct diff_options *options)
die("internal error in diff-resolve-rename-copy");
switch (diff_output_format) {
case DIFF_FORMAT_PATCH:
diff_flush_patch(p);
diff_flush_patch(p, options);
break;
case DIFF_FORMAT_RAW:
case DIFF_FORMAT_NAME_STATUS:

4
diff.h
View file

@ -32,7 +32,8 @@ struct diff_options {
const char *orderfile;
const char *pickaxe;
unsigned recursive:1,
tree_in_recursive:1;
tree_in_recursive:1,
full_index:1;
int break_opt;
int detect_rename;
int find_copies_harder;
@ -96,6 +97,7 @@ extern void diffcore_std_no_resolve(struct diff_options *);
" -u synonym for -p.\n" \
" --name-only show only names of changed files.\n" \
" --name-status show names and status of changed files.\n" \
" --full-index show full object name on index ines.\n" \
" -R swap input file pairs.\n" \
" -B detect complete rewrites.\n" \
" -M detect renames.\n" \