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-rw-r--r--diff.c71
1 files changed, 40 insertions, 31 deletions
diff --git a/diff.c b/diff.c
index ec8728362d..a628ac3a95 100644
--- a/diff.c
+++ b/diff.c
@@ -28,11 +28,11 @@
static int diff_detect_rename_default;
static int diff_indent_heuristic; /* experimental */
-static int diff_compaction_heuristic; /* experimental */
static int diff_rename_limit_default = 400;
static int diff_suppress_blank_empty;
static int diff_use_color_default = -1;
static int diff_context_default = 3;
+static int diff_interhunk_context_default;
static const char *diff_word_regex_cfg;
static const char *external_diff_cmd_cfg;
static const char *diff_order_file_cfg;
@@ -223,16 +223,8 @@ void init_diff_ui_defaults(void)
int git_diff_heuristic_config(const char *var, const char *value, void *cb)
{
- if (!strcmp(var, "diff.indentheuristic")) {
+ if (!strcmp(var, "diff.indentheuristic"))
diff_indent_heuristic = git_config_bool(var, value);
- if (diff_indent_heuristic)
- diff_compaction_heuristic = 0;
- }
- if (!strcmp(var, "diff.compactionheuristic")) {
- diff_compaction_heuristic = git_config_bool(var, value);
- if (diff_compaction_heuristic)
- diff_indent_heuristic = 0;
- }
return 0;
}
@@ -248,6 +240,12 @@ int git_diff_ui_config(const char *var, const char *value, void *cb)
return -1;
return 0;
}
+ if (!strcmp(var, "diff.interhunkcontext")) {
+ diff_interhunk_context_default = git_config_int(var, value);
+ if (diff_interhunk_context_default < 0)
+ return -1;
+ return 0;
+ }
if (!strcmp(var, "diff.renames")) {
diff_detect_rename_default = git_config_rename(var, value);
return 0;
@@ -2872,8 +2870,25 @@ int diff_populate_filespec(struct diff_filespec *s, unsigned int flags)
s->should_free = 1;
return 0;
}
- if (size_only)
+
+ /*
+ * Even if the caller would be happy with getting
+ * only the size, we cannot return early at this
+ * point if the path requires us to run the content
+ * conversion.
+ */
+ if (size_only && !would_convert_to_git(s->path))
return 0;
+
+ /*
+ * Note: this check uses xsize_t(st.st_size) that may
+ * not be the true size of the blob after it goes
+ * through convert_to_git(). This may not strictly be
+ * correct, but the whole point of big_file_threshold
+ * and is_binary check being that we want to avoid
+ * opening the file and inspecting the contents, this
+ * is probably fine.
+ */
if ((flags & CHECK_BINARY) &&
s->size > big_file_threshold && s->is_binary == -1) {
s->is_binary = 1;
@@ -3017,7 +3032,7 @@ static struct diff_tempfile *prepare_temp_file(const char *name,
if (!one->oid_valid)
sha1_to_hex_r(temp->hex, null_sha1);
else
- sha1_to_hex_r(temp->hex, one->oid.hash);
+ oid_to_hex_r(temp->hex, &one->oid);
/* Even though we may sometimes borrow the
* contents from the work tree, we always want
* one->mode. mode is trustworthy even when
@@ -3106,7 +3121,8 @@ static const char *diff_abbrev_oid(const struct object_id *oid, int abbrev)
abbrev = FALLBACK_DEFAULT_ABBREV;
if (abbrev > GIT_SHA1_HEXSZ)
die("BUG: oid abbreviation out of range: %d", abbrev);
- hex[abbrev] = '\0';
+ if (abbrev)
+ hex[abbrev] = '\0';
return hex;
}
}
@@ -3364,11 +3380,13 @@ void diff_setup(struct diff_options *options)
options->file = stdout;
+ options->abbrev = DEFAULT_ABBREV;
options->line_termination = '\n';
options->break_opt = -1;
options->rename_limit = -1;
options->dirstat_permille = diff_dirstat_permille_default;
options->context = diff_context_default;
+ options->interhunkcontext = diff_interhunk_context_default;
options->ws_error_highlight = ws_error_highlight_default;
DIFF_OPT_SET(options, RENAME_EMPTY);
@@ -3380,8 +3398,6 @@ void diff_setup(struct diff_options *options)
options->xdl_opts |= diff_algorithm;
if (diff_indent_heuristic)
DIFF_XDL_SET(options, INDENT_HEURISTIC);
- else if (diff_compaction_heuristic)
- DIFF_XDL_SET(options, COMPACTION_HEURISTIC);
options->orderfile = diff_order_file_cfg;
@@ -3876,16 +3892,10 @@ int diff_opt_parse(struct diff_options *options,
DIFF_XDL_SET(options, IGNORE_WHITESPACE_AT_EOL);
else if (!strcmp(arg, "--ignore-blank-lines"))
DIFF_XDL_SET(options, IGNORE_BLANK_LINES);
- else if (!strcmp(arg, "--indent-heuristic")) {
+ else if (!strcmp(arg, "--indent-heuristic"))
DIFF_XDL_SET(options, INDENT_HEURISTIC);
- DIFF_XDL_CLR(options, COMPACTION_HEURISTIC);
- } else if (!strcmp(arg, "--no-indent-heuristic"))
- DIFF_XDL_CLR(options, INDENT_HEURISTIC);
- else if (!strcmp(arg, "--compaction-heuristic")) {
- DIFF_XDL_SET(options, COMPACTION_HEURISTIC);
+ else if (!strcmp(arg, "--no-indent-heuristic"))
DIFF_XDL_CLR(options, INDENT_HEURISTIC);
- } else if (!strcmp(arg, "--no-compaction-heuristic"))
- DIFF_XDL_CLR(options, COMPACTION_HEURISTIC);
else if (!strcmp(arg, "--patience"))
options->xdl_opts = DIFF_WITH_ALG(options, PATIENCE_DIFF);
else if (!strcmp(arg, "--histogram"))
@@ -4024,6 +4034,8 @@ int diff_opt_parse(struct diff_options *options,
offending, optarg);
return argcount;
}
+ else if (!strcmp(arg, "--no-abbrev"))
+ options->abbrev = 0;
else if (!strcmp(arg, "--abbrev"))
options->abbrev = DEFAULT_ABBREV;
else if (skip_prefix(arg, "--abbrev=", &arg)) {
@@ -4455,6 +4467,7 @@ static void flush_one_pair(struct diff_filepair *p, struct diff_options *opt)
name_a = p->two->path;
name_b = NULL;
strip_prefix(opt->prefix_length, &name_a, &name_b);
+ fprintf(opt->file, "%s", diff_line_prefix(opt));
write_name_quoted(name_a, opt->file, opt->line_termination);
}
}
@@ -5122,14 +5135,10 @@ void diff_change(struct diff_options *options,
return;
if (DIFF_OPT_TST(options, REVERSE_DIFF)) {
- unsigned tmp;
- const unsigned char *tmp_c;
- tmp = old_mode; old_mode = new_mode; new_mode = tmp;
- tmp_c = old_sha1; old_sha1 = new_sha1; new_sha1 = tmp_c;
- tmp = old_sha1_valid; old_sha1_valid = new_sha1_valid;
- new_sha1_valid = tmp;
- tmp = old_dirty_submodule; old_dirty_submodule = new_dirty_submodule;
- new_dirty_submodule = tmp;
+ SWAP(old_mode, new_mode);
+ SWAP(old_sha1, new_sha1);
+ SWAP(old_sha1_valid, new_sha1_valid);
+ SWAP(old_dirty_submodule, new_dirty_submodule);
}
if (options->prefix &&