* Copyright (C) 2005 Junio C Hamano
*/
#include "cache.h"
+#include "abspath.h"
+#include "alloc.h"
#include "config.h"
+#include "convert.h"
+#include "environment.h"
+#include "gettext.h"
#include "tempfile.h"
#include "quote.h"
#include "diff.h"
#include "diffcore.h"
#include "delta.h"
+#include "hex.h"
#include "xdiff-interface.h"
#include "color.h"
#include "attr.h"
#include "string-list.h"
#include "strvec.h"
#include "graph.h"
+#include "oid-array.h"
#include "packfile.h"
#include "parse-options.h"
#include "help.h"
#include "promisor-remote.h"
#include "dir.h"
+#include "object-name.h"
+#include "setup.h"
#include "strmap.h"
+#include "wrapper.h"
#ifdef NO_FAST_WORKING_DIRECTORY
#define FAST_WORKING_DIRECTORY 0
return !DIFF_FILE_VALID(one) && !DIFF_FILE_VALID(two);
}
+static int set_diff_algorithm(struct diff_options *opts,
+ const char *alg)
+{
+ long value = parse_algorithm_value(alg);
+
+ if (value < 0)
+ return -1;
+
+ /* clear out previous settings */
+ DIFF_XDL_CLR(opts, NEED_MINIMAL);
+ opts->xdl_opts &= ~XDF_DIFF_ALGORITHM_MASK;
+ opts->xdl_opts |= value;
+
+ return 0;
+}
+
static void builtin_diff(const char *name_a,
const char *name_b,
struct diff_filespec *one,
static const char *diff_abbrev_oid(const struct object_id *oid, int abbrev)
{
if (startup_info->have_repository)
- return find_unique_abbrev(oid, abbrev);
+ return repo_find_unique_abbrev(the_repository, oid, abbrev);
else {
char *hex = oid_to_hex(oid);
if (abbrev < 0)
const char *xfrm_msg = NULL;
int complete_rewrite = (p->status == DIFF_STATUS_MODIFIED) && p->score;
int must_show_header = 0;
+ struct userdiff_driver *drv = NULL;
-
- if (o->flags.allow_external) {
- struct userdiff_driver *drv;
-
+ if (o->flags.allow_external || !o->ignore_driver_algorithm)
drv = userdiff_find_by_path(o->repo->index, attr_path);
- if (drv && drv->external)
- pgm = drv->external;
- }
+
+ if (o->flags.allow_external && drv && drv->external)
+ pgm = drv->external;
if (msg) {
/*
run_external_diff(pgm, name, other, one, two, xfrm_msg, o);
return;
}
- if (one && two)
+ if (one && two) {
+ if (!o->ignore_driver_algorithm && drv && drv->algorithm)
+ set_diff_algorithm(o, drv->algorithm);
+
builtin_diff(name, other ? other : name,
one, two, xfrm_msg, must_show_header,
o, complete_rewrite);
- else
+ } else {
fprintf(o->file, "* Unmerged path %s\n", name);
+ }
}
static void diff_fill_oid_info(struct diff_filespec *one, struct index_state *istate)
const char *name;
const char *other;
+ if (!o->ignore_driver_algorithm) {
+ struct userdiff_driver *drv = userdiff_find_by_path(o->repo->index,
+ p->one->path);
+
+ if (drv && drv->algorithm)
+ set_diff_algorithm(o, drv->algorithm);
+ }
+
if (DIFF_PAIR_UNMERGED(p)) {
/* unmerged */
builtin_diffstat(p->one->path, NULL, NULL, NULL,
struct object_id oid;
BUG_ON_OPT_NEG(unset);
- if (get_oid(arg, &oid))
+ if (repo_get_oid(the_repository, arg, &oid))
return error(_("unable to resolve '%s'"), arg);
if (!opt->objfind)
const char *arg, int unset)
{
struct diff_options *options = opt->value;
- long value = parse_algorithm_value(arg);
BUG_ON_OPT_NEG(unset);
- if (value < 0)
+
+ if (set_diff_algorithm(options, arg))
return error(_("option diff-algorithm accepts \"myers\", "
"\"minimal\", \"patience\" and \"histogram\""));
- /* clear out previous settings */
- DIFF_XDL_CLR(options, NEED_MINIMAL);
- options->xdl_opts &= ~XDF_DIFF_ALGORITHM_MASK;
- options->xdl_opts |= value;
+ options->ignore_driver_algorithm = 1;
+
+ return 0;
+}
+
+static int diff_opt_diff_algorithm_no_arg(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(arg);
+
+ if (set_diff_algorithm(options, opt->long_name))
+ BUG("available diff algorithms include \"myers\", "
+ "\"minimal\", \"patience\" and \"histogram\"");
+
+ options->ignore_driver_algorithm = 1;
+
return 0;
}
BUG_ON_OPT_NEG(unset);
BUG_ON_OPT_ARG(arg);
- options->xdl_opts = DIFF_WITH_ALG(options, PATIENCE_DIFF);
/*
* Both --patience and --anchored use PATIENCE_DIFF
* internally, so remove any anchors previously
for (i = 0; i < options->anchors_nr; i++)
free(options->anchors[i]);
options->anchors_nr = 0;
- return 0;
+ options->ignore_driver_algorithm = 1;
+
+ return set_diff_algorithm(options, "patience");
}
static int diff_opt_ignore_regex(const struct option *opt,
N_("prevent rename/copy detection if the number of rename/copy targets exceeds given limit")),
OPT_GROUP(N_("Diff algorithm options")),
- OPT_BIT(0, "minimal", &options->xdl_opts,
- N_("produce the smallest possible diff"),
- XDF_NEED_MINIMAL),
+ OPT_CALLBACK_F(0, "minimal", options, NULL,
+ N_("produce the smallest possible diff"),
+ PARSE_OPT_NONEG | PARSE_OPT_NOARG,
+ diff_opt_diff_algorithm_no_arg),
OPT_BIT_F('w', "ignore-all-space", &options->xdl_opts,
N_("ignore whitespace when comparing lines"),
XDF_IGNORE_WHITESPACE, PARSE_OPT_NONEG),
N_("generate diff using the \"patience diff\" algorithm"),
PARSE_OPT_NONEG | PARSE_OPT_NOARG,
diff_opt_patience),
- OPT_BITOP(0, "histogram", &options->xdl_opts,
- N_("generate diff using the \"histogram diff\" algorithm"),
- XDF_HISTOGRAM_DIFF, XDF_DIFF_ALGORITHM_MASK),
+ OPT_CALLBACK_F(0, "histogram", options, NULL,
+ N_("generate diff using the \"histogram diff\" algorithm"),
+ PARSE_OPT_NONEG | PARSE_OPT_NOARG,
+ diff_opt_diff_algorithm_no_arg),
OPT_CALLBACK_F(0, "diff-algorithm", options, N_("<algorithm>"),
N_("choose a diff algorithm"),
PARSE_OPT_NONEG, diff_opt_diff_algorithm),
* If no prefetching occurs, diffcore_rename() will prefetch if it
* decides that it needs inexact rename detection.
*/
- if (options->repo == the_repository && has_promisor_remote() &&
+ if (options->repo == the_repository && repo_has_promisor_remote(the_repository) &&
(options->output_format & output_formats_to_prefetch ||
options->pickaxe_opts & DIFF_PICKAXE_KINDS_MASK))
diff_queued_diff_prefetch(options->repo);
projects / thirdparty / git.git / blobdiff