#include "diffcore.h"
#include "quote.h"
#include "xdiff-interface.h"
+#include "log-tree.h"
static int uninteresting(struct diff_filepair *p)
{
sline->p_lno[i] = sline->p_lno[j];
}
+static void dump_quoted_path(const char *prefix, const char *path)
+{
+ fputs(prefix, stdout);
+ if (quote_c_style(path, NULL, NULL, 0))
+ quote_c_style(path, NULL, stdout, 0);
+ else
+ printf("%s", path);
+ putchar('\n');
+}
+
static int show_patch_diff(struct combine_diff_path *elem, int num_parent,
- int dense, const char *header,
- struct diff_options *opt)
+ int dense, struct rev_info *rev)
{
+ struct diff_options *opt = &rev->diffopt;
unsigned long result_size, cnt, lno;
char *result, *cp;
struct sline *sline; /* survived lines */
if (show_hunks || mode_differs || working_tree_file) {
const char *abb;
- if (header) {
- shown_header++;
- printf("%s%c", header, opt->line_termination);
- }
- printf("diff --%s ", dense ? "cc" : "combined");
- if (quote_c_style(elem->path, NULL, NULL, 0))
- quote_c_style(elem->path, NULL, stdout, 0);
- else
- printf("%s", elem->path);
- putchar('\n');
+ if (rev->loginfo)
+ show_log(rev, rev->loginfo, "\n");
+ dump_quoted_path(dense ? "diff --cc " : "diff --combined ", elem->path);
printf("index ");
for (i = 0; i < num_parent; i++) {
abb = find_unique_abbrev(elem->parent[i].sha1,
}
putchar('\n');
}
+ dump_quoted_path("--- a/", elem->path);
+ dump_quoted_path("+++ b/", elem->path);
dump_sline(sline, cnt, num_parent);
}
free(result);
#define COLONS "::::::::::::::::::::::::::::::::"
-static void show_raw_diff(struct combine_diff_path *p, int num_parent, const char *header, struct diff_options *opt)
+static void show_raw_diff(struct combine_diff_path *p, int num_parent, struct rev_info *rev)
{
+ struct diff_options *opt = &rev->diffopt;
int i, offset;
const char *prefix;
int line_termination, inter_name_termination;
if (!line_termination)
inter_name_termination = 0;
- if (header)
- printf("%s%c", header, line_termination);
+ if (rev->loginfo)
+ show_log(rev, rev->loginfo, "\n");
if (opt->output_format == DIFF_FORMAT_RAW) {
offset = strlen(COLONS) - num_parent;
}
}
-int show_combined_diff(struct combine_diff_path *p,
+void show_combined_diff(struct combine_diff_path *p,
int num_parent,
int dense,
- const char *header,
- struct diff_options *opt)
+ struct rev_info *rev)
{
+ struct diff_options *opt = &rev->diffopt;
if (!p->len)
- return 0;
+ return;
switch (opt->output_format) {
case DIFF_FORMAT_RAW:
case DIFF_FORMAT_NAME_STATUS:
case DIFF_FORMAT_NAME:
- show_raw_diff(p, num_parent, header, opt);
- return 1;
-
- default:
+ show_raw_diff(p, num_parent, rev);
+ return;
case DIFF_FORMAT_PATCH:
- return show_patch_diff(p, num_parent, dense, header, opt);
+ show_patch_diff(p, num_parent, dense, rev);
+ return;
+ default:
+ return;
}
}
-const char *diff_tree_combined_merge(const unsigned char *sha1,
- const char *header, int dense,
- struct diff_options *opt)
+void diff_tree_combined_merge(const unsigned char *sha1,
+ int dense, struct rev_info *rev)
{
+ struct diff_options *opt = &rev->diffopt;
struct commit *commit = lookup_commit(sha1);
struct diff_options diffopts;
struct commit_list *parents;
struct combine_diff_path *p, *paths = NULL;
int num_parent, i, num_paths;
+ int do_diffstat;
+ do_diffstat = (opt->output_format == DIFF_FORMAT_DIFFSTAT ||
+ opt->with_stat);
diffopts = *opt;
- diffopts.output_format = DIFF_FORMAT_NO_OUTPUT;
diffopts.with_raw = 0;
+ diffopts.with_stat = 0;
diffopts.recursive = 1;
/* count parents */
parents;
parents = parents->next, i++) {
struct commit *parent = parents->item;
+ /* show stat against the first parent even
+ * when doing combined diff.
+ */
+ if (i == 0 && do_diffstat)
+ diffopts.output_format = DIFF_FORMAT_DIFFSTAT;
+ else
+ diffopts.output_format = DIFF_FORMAT_NO_OUTPUT;
diff_tree_sha1(parent->object.sha1, commit->object.sha1, "",
&diffopts);
diffcore_std(&diffopts);
paths = intersect_paths(paths, i, num_parent);
+
+ if (do_diffstat && rev->loginfo)
+ show_log(rev, rev->loginfo,
+ opt->with_stat ? "---\n" : "\n");
diff_flush(&diffopts);
+ if (opt->with_stat)
+ putchar('\n');
}
/* find out surviving paths */
int saved_format = opt->output_format;
opt->output_format = DIFF_FORMAT_RAW;
for (p = paths; p; p = p->next) {
- if (show_combined_diff(p, num_parent, dense,
- header, opt))
- header = NULL;
+ show_combined_diff(p, num_parent, dense, rev);
}
opt->output_format = saved_format;
putchar(opt->line_termination);
}
for (p = paths; p; p = p->next) {
- if (show_combined_diff(p, num_parent, dense,
- header, opt))
- header = NULL;
+ show_combined_diff(p, num_parent, dense, rev);
}
}
paths = paths->next;
free(tmp);
}
- return header;
}
CMIT_FMT_FULL,
CMIT_FMT_FULLER,
CMIT_FMT_ONELINE,
+
+ CMIT_FMT_UNSPECIFIED,
};
extern enum cmit_fmt get_commit_format(const char *arg);
*/
#include "cache.h"
#include "diff.h"
+#include "commit.h"
+#include "revision.h"
static const char diff_files_usage[] =
"git-diff-files [-q] [-0/-1/2/3 |-c|--cc] [<common diff options>] [<path>...]"
COMMON_DIFF_OPTIONS_HELP;
-static struct diff_options diff_options;
+static struct rev_info rev;
static int silent = 0;
static int diff_unmerged_stage = 2;
static int combine_merges = 0;
static void show_unmerge(const char *path)
{
- diff_unmerge(&diff_options, path);
+ diff_unmerge(&rev.diffopt, path);
}
static void show_file(int pfx, struct cache_entry *ce)
{
- diff_addremove(&diff_options, pfx, ntohl(ce->ce_mode),
+ diff_addremove(&rev.diffopt, pfx, ntohl(ce->ce_mode),
ce->sha1, ce->name, NULL);
}
const unsigned char *old_sha1, const unsigned char *sha1,
char *path)
{
- diff_change(&diff_options, oldmode, mode, old_sha1, sha1, path, NULL);
+ diff_change(&rev.diffopt, oldmode, mode, old_sha1, sha1, path, NULL);
}
int main(int argc, const char **argv)
int entries, i;
git_config(git_diff_config);
- diff_setup(&diff_options);
+ diff_setup(&rev.diffopt);
while (1 < argc && argv[1][0] == '-') {
if (!strcmp(argv[1], "--")) {
argv++;
dense_combined_merges = combine_merges = 1;
else {
int diff_opt_cnt;
- diff_opt_cnt = diff_opt_parse(&diff_options,
+ diff_opt_cnt = diff_opt_parse(&rev.diffopt,
argv+1, argc-1);
if (diff_opt_cnt < 0)
usage(diff_files_usage);
argv++; argc--;
}
if (dense_combined_merges)
- diff_options.output_format = DIFF_FORMAT_PATCH;
+ rev.diffopt.output_format = DIFF_FORMAT_PATCH;
/* Find the directory, and set up the pathspec */
pathspec = get_pathspec(prefix, argv + 1);
entries = read_cache();
- if (diff_setup_done(&diff_options) < 0)
+ if (diff_setup_done(&rev.diffopt) < 0)
usage(diff_files_usage);
/* At this point, if argc == 1, then we are doing everything.
if (combine_merges && num_compare_stages == 2) {
show_combined_diff(&combine.p, 2,
dense_combined_merges,
- NULL,
- &diff_options);
+ &rev);
free(combine.p.path);
continue;
}
continue;
}
changed = ce_match_stat(ce, &st, 0);
- if (!changed && !diff_options.find_copies_harder)
+ if (!changed && !rev.diffopt.find_copies_harder)
continue;
oldmode = ntohl(ce->ce_mode);
ce->sha1, (changed ? null_sha1 : ce->sha1),
ce->name);
}
- diffcore_std(&diff_options);
- diff_flush(&diff_options);
+ diffcore_std(&rev.diffopt);
+ diff_flush(&rev.diffopt);
return 0;
}
#include "commit.h"
#include "log-tree.h"
-static struct log_tree_opt log_tree_opt;
+static struct rev_info log_tree_opt;
static int diff_tree_commit_sha1(const unsigned char *sha1)
{
{
int nr_sha1;
char line[1000];
- unsigned char sha1[2][20];
- const char *prefix = setup_git_directory();
- static struct log_tree_opt *opt = &log_tree_opt;
+ struct object *tree1, *tree2;
+ static struct rev_info *opt = &log_tree_opt;
+ struct object_list *list;
int read_stdin = 0;
git_config(git_diff_config);
nr_sha1 = 0;
- init_log_tree_opt(opt);
+ init_revisions(opt);
+ opt->abbrev = 0;
+ opt->diff = 1;
+ argc = setup_revisions(argc, argv, opt, NULL);
- for (;;) {
- int opt_cnt;
- const char *arg;
+ while (--argc > 0) {
+ const char *arg = *++argv;
- argv++;
- argc--;
- arg = *argv;
- if (!arg)
- break;
-
- if (*arg != '-') {
- if (nr_sha1 < 2 && !get_sha1(arg, sha1[nr_sha1])) {
- nr_sha1++;
- continue;
- }
- break;
- }
-
- opt_cnt = log_tree_opt_parse(opt, argv, argc);
- if (opt_cnt < 0)
- usage(diff_tree_usage);
- else if (opt_cnt) {
- argv += opt_cnt - 1;
- argc -= opt_cnt - 1;
- continue;
- }
-
- if (!strcmp(arg, "--")) {
- argv++;
- argc--;
- break;
- }
if (!strcmp(arg, "--stdin")) {
read_stdin = 1;
continue;
usage(diff_tree_usage);
}
- if (opt->combine_merges)
- opt->ignore_merges = 0;
-
- /* We can only do dense combined merges with diff output */
- if (opt->dense_combined_merges)
- opt->diffopt.output_format = DIFF_FORMAT_PATCH;
-
- diff_tree_setup_paths(get_pathspec(prefix, argv), &opt->diffopt);
- diff_setup_done(&opt->diffopt);
+ /*
+ * NOTE! "setup_revisions()" will have inserted the revisions
+ * it parsed in reverse order. So if you do
+ *
+ * git-diff-tree a b
+ *
+ * the commit list will be "b" -> "a" -> NULL, so we reverse
+ * the order of the objects if the first one is not marked
+ * UNINTERESTING.
+ */
+ nr_sha1 = 0;
+ list = opt->pending_objects;
+ if (list) {
+ nr_sha1++;
+ tree1 = list->item;
+ list = list->next;
+ if (list) {
+ nr_sha1++;
+ tree2 = tree1;
+ tree1 = list->item;
+ if (list->next)
+ usage(diff_tree_usage);
+ /* Switch them around if the second one was uninteresting.. */
+ if (tree2->flags & UNINTERESTING) {
+ struct object *tmp = tree2;
+ tree2 = tree1;
+ tree1 = tmp;
+ }
+ }
+ }
switch (nr_sha1) {
case 0:
usage(diff_tree_usage);
break;
case 1:
- diff_tree_commit_sha1(sha1[0]);
+ diff_tree_commit_sha1(tree1->sha1);
break;
case 2:
- diff_tree_sha1(sha1[0], sha1[1], "", &opt->diffopt);
+ diff_tree_sha1(tree1->sha1,
+ tree2->sha1,
+ "", &opt->diffopt);
log_tree_diff_flush(opt);
break;
}
* recursive bits for other formats here.
*/
if ((options->output_format == DIFF_FORMAT_PATCH) ||
- (options->output_format == DIFF_FORMAT_DIFFSTAT) ||
- (options->with_stat))
+ (options->output_format == DIFF_FORMAT_DIFFSTAT))
options->recursive = 1;
if (options->detect_rename && options->rename_limit < 0)
#include "tree-walk.h"
+struct rev_info;
struct diff_options;
typedef void (*change_fn_t)(struct diff_options *options,
(sizeof(struct combine_diff_path) + \
sizeof(struct combine_diff_parent) * (n) + (l) + 1)
-extern int show_combined_diff(struct combine_diff_path *elem, int num_parent,
- int dense, const char *header,
- struct diff_options *);
+extern void show_combined_diff(struct combine_diff_path *elem, int num_parent,
+ int dense, struct rev_info *);
-extern const char *diff_tree_combined_merge(const unsigned char *sha1, const char *, int, struct diff_options *opt);
+extern void diff_tree_combined_merge(const unsigned char *sha1, int, struct rev_info *);
extern void diff_addremove(struct diff_options *,
int addremove,
return 0;
}
-#define LOGSIZE (65536)
-
-static int cmd_log(int argc, const char **argv, char **envp)
+static int cmd_log_wc(int argc, const char **argv, char **envp,
+ struct rev_info *rev)
{
- struct rev_info rev;
struct commit *commit;
- char *buf = xmalloc(LOGSIZE);
- static enum cmit_fmt commit_format = CMIT_FMT_DEFAULT;
- int abbrev = DEFAULT_ABBREV;
- int abbrev_commit = 0;
- const char *commit_prefix = "commit ";
- struct log_tree_opt opt;
- int shown = 0;
- int do_diff = 0;
- int full_diff = 0;
-
- init_log_tree_opt(&opt);
- argc = setup_revisions(argc, argv, &rev, "HEAD");
- while (1 < argc) {
- const char *arg = argv[1];
- if (!strncmp(arg, "--pretty", 8)) {
- commit_format = get_commit_format(arg + 8);
- if (commit_format == CMIT_FMT_ONELINE)
- commit_prefix = "";
- }
- else if (!strcmp(arg, "--no-abbrev")) {
- abbrev = 0;
- }
- else if (!strcmp(arg, "--abbrev")) {
- abbrev = DEFAULT_ABBREV;
- }
- else if (!strcmp(arg, "--abbrev-commit")) {
- abbrev_commit = 1;
- }
- else if (!strncmp(arg, "--abbrev=", 9)) {
- abbrev = strtoul(arg + 9, NULL, 10);
- if (abbrev && abbrev < MINIMUM_ABBREV)
- abbrev = MINIMUM_ABBREV;
- else if (40 < abbrev)
- abbrev = 40;
- }
- else if (!strcmp(arg, "--full-diff")) {
- do_diff = 1;
- full_diff = 1;
- }
- else {
- int cnt = log_tree_opt_parse(&opt, argv+1, argc-1);
- if (0 < cnt) {
- do_diff = 1;
- argv += cnt;
- argc -= cnt;
- continue;
- }
- die("unrecognized argument: %s", arg);
- }
- argc--; argv++;
- }
+ rev->abbrev = DEFAULT_ABBREV;
+ rev->commit_format = CMIT_FMT_DEFAULT;
+ rev->verbose_header = 1;
+ argc = setup_revisions(argc, argv, rev, "HEAD");
- if (do_diff) {
- opt.diffopt.abbrev = abbrev;
- opt.verbose_header = 0;
- opt.always_show_header = 0;
- opt.no_commit_id = 1;
- if (opt.combine_merges)
- opt.ignore_merges = 0;
- if (opt.dense_combined_merges)
- opt.diffopt.output_format = DIFF_FORMAT_PATCH;
- if (!full_diff && rev.prune_data)
- diff_tree_setup_paths(rev.prune_data, &opt.diffopt);
- diff_setup_done(&opt.diffopt);
- }
+ if (argc > 1)
+ die("unrecognized argument: %s", argv[1]);
- prepare_revision_walk(&rev);
+ prepare_revision_walk(rev);
setup_pager();
- while ((commit = get_revision(&rev)) != NULL) {
- if (shown && do_diff && commit_format != CMIT_FMT_ONELINE)
- putchar('\n');
- fputs(commit_prefix, stdout);
- if (abbrev_commit && abbrev)
- fputs(find_unique_abbrev(commit->object.sha1, abbrev),
- stdout);
- else
- fputs(sha1_to_hex(commit->object.sha1), stdout);
- if (rev.parents) {
- struct commit_list *parents = commit->parents;
- while (parents) {
- struct object *o = &(parents->item->object);
- parents = parents->next;
- if (o->flags & TMP_MARK)
- continue;
- printf(" %s", sha1_to_hex(o->sha1));
- o->flags |= TMP_MARK;
- }
- /* TMP_MARK is a general purpose flag that can
- * be used locally, but the user should clean
- * things up after it is done with them.
- */
- for (parents = commit->parents;
- parents;
- parents = parents->next)
- parents->item->object.flags &= ~TMP_MARK;
- }
- if (commit_format == CMIT_FMT_ONELINE)
- putchar(' ');
- else
- putchar('\n');
- pretty_print_commit(commit_format, commit, ~0, buf,
- LOGSIZE, abbrev);
- printf("%s\n", buf);
- if (do_diff) {
- printf("---\n");
- log_tree_commit(&opt, commit);
- }
- shown = 1;
+ while ((commit = get_revision(rev)) != NULL) {
+ log_tree_commit(rev, commit);
free(commit->buffer);
commit->buffer = NULL;
}
- free(buf);
return 0;
}
+static int cmd_wc(int argc, const char **argv, char **envp)
+{
+ struct rev_info rev;
+
+ init_revisions(&rev);
+ rev.diff = 1;
+ rev.diffopt.recursive = 1;
+ return cmd_log_wc(argc, argv, envp, &rev);
+}
+
+static int cmd_show(int argc, const char **argv, char **envp)
+{
+ struct rev_info rev;
+
+ init_revisions(&rev);
+ rev.diff = 1;
+ rev.diffopt.recursive = 1;
+ rev.combine_merges = 1;
+ rev.dense_combined_merges = 1;
+ rev.always_show_header = 1;
+ rev.ignore_merges = 0;
+ rev.no_walk = 1;
+ return cmd_log_wc(argc, argv, envp, &rev);
+}
+
+static int cmd_log(int argc, const char **argv, char **envp)
+{
+ struct rev_info rev;
+
+ init_revisions(&rev);
+ rev.always_show_header = 1;
+ rev.diffopt.recursive = 1;
+ rev.combine_merges = 1;
+ rev.ignore_merges = 0;
+ return cmd_log_wc(argc, argv, envp, &rev);
+}
+
static void handle_internal_command(int argc, const char **argv, char **envp)
{
const char *cmd = argv[0];
{ "version", cmd_version },
{ "help", cmd_help },
{ "log", cmd_log },
+ { "whatchanged", cmd_wc },
+ { "show", cmd_show },
};
int i;
commit_argv[3] = old_sha1_hex;
commit_argc++;
}
+ init_revisions(&revs);
setup_revisions(commit_argc, commit_argv, &revs, NULL);
free(new_sha1_hex);
if (old_sha1_hex) {
#include "commit.h"
#include "log-tree.h"
-void init_log_tree_opt(struct log_tree_opt *opt)
+void show_log(struct rev_info *opt, struct log_info *log, const char *sep)
{
- memset(opt, 0, sizeof *opt);
- opt->ignore_merges = 1;
- opt->header_prefix = "";
- opt->commit_format = CMIT_FMT_RAW;
- diff_setup(&opt->diffopt);
-}
-
-int log_tree_opt_parse(struct log_tree_opt *opt, const char **av, int ac)
-{
- const char *arg;
- int cnt = diff_opt_parse(&opt->diffopt, av, ac);
- if (0 < cnt)
- return cnt;
- arg = *av;
- if (!strcmp(arg, "-r"))
- opt->diffopt.recursive = 1;
- else if (!strcmp(arg, "-t")) {
- opt->diffopt.recursive = 1;
- opt->diffopt.tree_in_recursive = 1;
- }
- else if (!strcmp(arg, "-m"))
- opt->ignore_merges = 0;
- else if (!strcmp(arg, "-c"))
- opt->combine_merges = 1;
- else if (!strcmp(arg, "--cc")) {
- opt->dense_combined_merges = 1;
- opt->combine_merges = 1;
- }
- else if (!strcmp(arg, "-v")) {
- opt->verbose_header = 1;
- opt->header_prefix = "diff-tree ";
- }
- else if (!strncmp(arg, "--pretty", 8)) {
- opt->verbose_header = 1;
- opt->header_prefix = "diff-tree ";
- opt->commit_format = get_commit_format(arg+8);
+ static char this_header[16384];
+ struct commit *commit = log->commit, *parent = log->parent;
+ int abbrev = opt->diffopt.abbrev;
+ int abbrev_commit = opt->abbrev_commit ? opt->abbrev : 40;
+ const char *extra;
+ int len;
+
+ opt->loginfo = NULL;
+ if (!opt->verbose_header) {
+ puts(sha1_to_hex(commit->object.sha1));
+ return;
}
- else if (!strcmp(arg, "--root"))
- opt->show_root_diff = 1;
- else if (!strcmp(arg, "--no-commit-id"))
- opt->no_commit_id = 1;
- else if (!strcmp(arg, "--always"))
- opt->always_show_header = 1;
- else
- return 0;
- return 1;
+
+ /*
+ * The "oneline" format has several special cases:
+ * - The pretty-printed commit lacks a newline at the end
+ * of the buffer, but we do want to make sure that we
+ * have a newline there. If the separator isn't already
+ * a newline, add an extra one.
+ * - unlike other log messages, the one-line format does
+ * not have an empty line between entries.
+ */
+ extra = "";
+ if (*sep != '\n' && opt->commit_format == CMIT_FMT_ONELINE)
+ extra = "\n";
+ if (opt->shown_one && opt->commit_format != CMIT_FMT_ONELINE)
+ putchar('\n');
+ opt->shown_one = 1;
+
+ /*
+ * Print header line of header..
+ */
+ printf("%s%s",
+ opt->commit_format == CMIT_FMT_ONELINE ? "" : "commit ",
+ diff_unique_abbrev(commit->object.sha1, abbrev_commit));
+ if (parent)
+ printf(" (from %s)", diff_unique_abbrev(parent->object.sha1, abbrev_commit));
+ putchar(opt->commit_format == CMIT_FMT_ONELINE ? ' ' : '\n');
+
+ /*
+ * And then the pretty-printed message itself
+ */
+ len = pretty_print_commit(opt->commit_format, commit, ~0u, this_header, sizeof(this_header), abbrev);
+ printf("%s%s%s", this_header, extra, sep);
}
-int log_tree_diff_flush(struct log_tree_opt *opt)
+int log_tree_diff_flush(struct rev_info *opt)
{
diffcore_std(&opt->diffopt);
+
if (diff_queue_is_empty()) {
int saved_fmt = opt->diffopt.output_format;
opt->diffopt.output_format = DIFF_FORMAT_NO_OUTPUT;
opt->diffopt.output_format = saved_fmt;
return 0;
}
- if (opt->header) {
- if (!opt->no_commit_id)
- printf("%s%c", opt->header,
- opt->diffopt.line_termination);
- opt->header = NULL;
- }
+
+ if (opt->loginfo && !opt->no_commit_id)
+ show_log(opt, opt->loginfo, opt->diffopt.with_stat ? "---\n" : "\n");
diff_flush(&opt->diffopt);
return 1;
}
-static int diff_root_tree(struct log_tree_opt *opt,
+static int diff_root_tree(struct rev_info *opt,
const unsigned char *new, const char *base)
{
int retval;
return retval;
}
-static const char *generate_header(struct log_tree_opt *opt,
- const unsigned char *commit_sha1,
- const unsigned char *parent_sha1,
- const struct commit *commit)
-{
- static char this_header[16384];
- int offset;
- unsigned long len;
- int abbrev = opt->diffopt.abbrev;
- const char *msg = commit->buffer;
-
- if (!opt->verbose_header)
- return sha1_to_hex(commit_sha1);
-
- len = strlen(msg);
-
- offset = sprintf(this_header, "%s%s ",
- opt->header_prefix,
- diff_unique_abbrev(commit_sha1, abbrev));
- if (commit_sha1 != parent_sha1)
- offset += sprintf(this_header + offset, "(from %s)\n",
- parent_sha1
- ? diff_unique_abbrev(parent_sha1, abbrev)
- : "root");
- else
- offset += sprintf(this_header + offset, "(from parents)\n");
- offset += pretty_print_commit(opt->commit_format, commit, len,
- this_header + offset,
- sizeof(this_header) - offset, abbrev);
- if (opt->always_show_header) {
- puts(this_header);
- return NULL;
- }
- return this_header;
-}
-
-static int do_diff_combined(struct log_tree_opt *opt, struct commit *commit)
+static int do_diff_combined(struct rev_info *opt, struct commit *commit)
{
unsigned const char *sha1 = commit->object.sha1;
- opt->header = generate_header(opt, sha1, sha1, commit);
- opt->header = diff_tree_combined_merge(sha1, opt->header,
- opt->dense_combined_merges,
- &opt->diffopt);
- if (!opt->header && opt->verbose_header)
- opt->header_prefix = "\ndiff-tree ";
- return 0;
+ diff_tree_combined_merge(sha1, opt->dense_combined_merges, opt);
+ return !opt->loginfo;
}
-int log_tree_commit(struct log_tree_opt *opt, struct commit *commit)
+/*
+ * Show the diff of a commit.
+ *
+ * Return true if we printed any log info messages
+ */
+static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log_info *log)
{
+ int showed_log;
struct commit_list *parents;
unsigned const char *sha1 = commit->object.sha1;
+ if (!opt->diff)
+ return 0;
+
/* Root commit? */
- if (opt->show_root_diff && !commit->parents) {
- opt->header = generate_header(opt, sha1, NULL, commit);
- diff_root_tree(opt, sha1, "");
+ parents = commit->parents;
+ if (!parents) {
+ if (opt->show_root_diff)
+ diff_root_tree(opt, sha1, "");
+ return !opt->loginfo;
}
/* More than one parent? */
- if (commit->parents && commit->parents->next) {
+ if (parents && parents->next) {
if (opt->ignore_merges)
return 0;
else if (opt->combine_merges)
return do_diff_combined(opt, commit);
+
+ /* If we show individual diffs, show the parent info */
+ log->parent = parents->item;
}
- for (parents = commit->parents; parents; parents = parents->next) {
+ showed_log = 0;
+ for (;;) {
struct commit *parent = parents->item;
- unsigned const char *psha1 = parent->object.sha1;
- opt->header = generate_header(opt, sha1, psha1, commit);
- diff_tree_sha1(psha1, sha1, "", &opt->diffopt);
- log_tree_diff_flush(opt);
- if (!opt->header && opt->verbose_header)
- opt->header_prefix = "\ndiff-tree ";
+ diff_tree_sha1(parent->object.sha1, sha1, "", &opt->diffopt);
+ log_tree_diff_flush(opt);
+
+ showed_log |= !opt->loginfo;
+
+ /* Set up the log info for the next parent, if any.. */
+ parents = parents->next;
+ if (!parents)
+ break;
+ log->parent = parents->item;
+ opt->loginfo = log;
+ }
+ return showed_log;
+}
+
+int log_tree_commit(struct rev_info *opt, struct commit *commit)
+{
+ struct log_info log;
+
+ log.commit = commit;
+ log.parent = NULL;
+ opt->loginfo = &log;
+
+ if (!log_tree_diff(opt, commit, &log) && opt->loginfo && opt->always_show_header) {
+ log.parent = NULL;
+ show_log(opt, opt->loginfo, "");
}
+ opt->loginfo = NULL;
return 0;
}
#ifndef LOG_TREE_H
#define LOG_TREE_H
-struct log_tree_opt {
- struct diff_options diffopt;
- int show_root_diff;
- int no_commit_id;
- int verbose_header;
- int ignore_merges;
- int combine_merges;
- int dense_combined_merges;
- int always_show_header;
- const char *header_prefix;
- const char *header;
- enum cmit_fmt commit_format;
+#include "revision.h"
+
+struct log_info {
+ struct commit *commit, *parent;
};
-void init_log_tree_opt(struct log_tree_opt *);
-int log_tree_diff_flush(struct log_tree_opt *);
-int log_tree_commit(struct log_tree_opt *, struct commit *);
-int log_tree_opt_parse(struct log_tree_opt *, const char **, int);
+void init_log_tree_opt(struct rev_info *);
+int log_tree_diff_flush(struct rev_info *);
+int log_tree_commit(struct rev_info *, struct commit *);
+int log_tree_opt_parse(struct rev_info *, const char **, int);
+void show_log(struct rev_info *opt, struct log_info *log, const char *sep);
#endif
return;
if (!pager)
pager = "less";
- else if (!*pager)
+ else if (!*pager || !strcmp(pager, "cat"))
return;
if (pipe(fd) < 0)
struct rev_info revs;
static int bisect_list = 0;
-static int verbose_header = 0;
-static int abbrev = DEFAULT_ABBREV;
-static int abbrev_commit = 0;
static int show_timestamp = 0;
static int hdr_termination = 0;
-static const char *commit_prefix = "";
-static enum cmit_fmt commit_format = CMIT_FMT_RAW;
+static const char *header_prefix;
static void show_commit(struct commit *commit)
{
if (show_timestamp)
printf("%lu ", commit->date);
- if (commit_prefix[0])
- fputs(commit_prefix, stdout);
+ if (header_prefix)
+ fputs(header_prefix, stdout);
if (commit->object.flags & BOUNDARY)
putchar('-');
- if (abbrev_commit && abbrev)
- fputs(find_unique_abbrev(commit->object.sha1, abbrev), stdout);
+ if (revs.abbrev_commit && revs.abbrev)
+ fputs(find_unique_abbrev(commit->object.sha1, revs.abbrev),
+ stdout);
else
fputs(sha1_to_hex(commit->object.sha1), stdout);
if (revs.parents) {
parents = parents->next)
parents->item->object.flags &= ~TMP_MARK;
}
- if (commit_format == CMIT_FMT_ONELINE)
+ if (revs.commit_format == CMIT_FMT_ONELINE)
putchar(' ');
else
putchar('\n');
- if (verbose_header) {
+ if (revs.verbose_header) {
static char pretty_header[16384];
- pretty_print_commit(commit_format, commit, ~0, pretty_header, sizeof(pretty_header), abbrev);
+ pretty_print_commit(revs.commit_format, commit, ~0,
+ pretty_header, sizeof(pretty_header),
+ revs.abbrev);
printf("%s%c", pretty_header, hdr_termination);
}
fflush(stdout);
struct commit_list *list;
int i;
+ init_revisions(&revs);
+ revs.abbrev = 0;
+ revs.commit_format = CMIT_FMT_UNSPECIFIED;
argc = setup_revisions(argc, argv, &revs, NULL);
for (i = 1 ; i < argc; i++) {
const char *arg = argv[i];
- /* accept -<digit>, like traditilnal "head" */
- if ((*arg == '-') && isdigit(arg[1])) {
- revs.max_count = atoi(arg + 1);
- continue;
- }
- if (!strcmp(arg, "-n")) {
- if (++i >= argc)
- die("-n requires an argument");
- revs.max_count = atoi(argv[i]);
- continue;
- }
- if (!strncmp(arg,"-n",2)) {
- revs.max_count = atoi(arg + 2);
- continue;
- }
if (!strcmp(arg, "--header")) {
- verbose_header = 1;
- continue;
- }
- if (!strcmp(arg, "--no-abbrev")) {
- abbrev = 0;
- continue;
- }
- if (!strcmp(arg, "--abbrev")) {
- abbrev = DEFAULT_ABBREV;
- continue;
- }
- if (!strcmp(arg, "--abbrev-commit")) {
- abbrev_commit = 1;
- continue;
- }
- if (!strncmp(arg, "--abbrev=", 9)) {
- abbrev = strtoul(arg + 9, NULL, 10);
- if (abbrev && abbrev < MINIMUM_ABBREV)
- abbrev = MINIMUM_ABBREV;
- else if (40 < abbrev)
- abbrev = 40;
- continue;
- }
- if (!strncmp(arg, "--pretty", 8)) {
- commit_format = get_commit_format(arg+8);
- verbose_header = 1;
- hdr_termination = '\n';
- if (commit_format == CMIT_FMT_ONELINE)
- commit_prefix = "";
- else
- commit_prefix = "commit ";
+ revs.verbose_header = 1;
continue;
}
if (!strcmp(arg, "--timestamp")) {
usage(rev_list_usage);
}
+ if (revs.commit_format != CMIT_FMT_UNSPECIFIED) {
+ /* The command line has a --pretty */
+ hdr_termination = '\n';
+ if (revs.commit_format == CMIT_FMT_ONELINE)
+ header_prefix = "";
+ else
+ header_prefix = "commit ";
+ }
+ else if (revs.verbose_header)
+ /* Only --header was specified */
+ revs.commit_format = CMIT_FMT_RAW;
list = revs.commits;
- if (!list &&
- (!(revs.tag_objects||revs.tree_objects||revs.blob_objects) && !revs.pending_objects))
+ if ((!list &&
+ (!(revs.tag_objects||revs.tree_objects||revs.blob_objects) &&
+ !revs.pending_objects)) ||
+ revs.diff)
usage(rev_list_usage);
- save_commit_buffer = verbose_header;
+ save_commit_buffer = revs.verbose_header;
track_object_refs = 0;
if (bisect_list)
revs.limited = 1;
add_object(obj, &revs->pending_objects, NULL, name);
}
-static struct commit *get_commit_reference(struct rev_info *revs, const char *name, const unsigned char *sha1, unsigned int flags)
+static struct object *get_reference(struct rev_info *revs, const char *name, const unsigned char *sha1, unsigned int flags)
{
struct object *object;
object = parse_object(sha1);
if (!object)
die("bad object %s", name);
+ object->flags |= flags;
+ return object;
+}
+
+static struct commit *handle_commit(struct rev_info *revs, struct object *object, const char *name)
+{
+ unsigned long flags = object->flags;
/*
* Tag object? Look what it points to..
*/
while (object->type == tag_type) {
struct tag *tag = (struct tag *) object;
- object->flags |= flags;
- if (revs->tag_objects && !(object->flags & UNINTERESTING))
+ if (revs->tag_objects && !(flags & UNINTERESTING))
add_pending_object(revs, object, tag->tag);
object = parse_object(tag->tagged->sha1);
if (!object)
*/
if (object->type == commit_type) {
struct commit *commit = (struct commit *)object;
- object->flags |= flags;
if (parse_commit(commit) < 0)
die("unable to parse commit %s", name);
if (flags & UNINTERESTING) {
+ commit->object.flags |= UNINTERESTING;
mark_parents_uninteresting(commit);
revs->limited = 1;
}
return REV_TREE_DIFFERENT;
tree_difference = REV_TREE_SAME;
if (diff_tree_sha1(t1->object.sha1, t2->object.sha1, "",
- &revs->diffopt) < 0)
+ &revs->pruning) < 0)
return REV_TREE_DIFFERENT;
return tree_difference;
}
empty.size = 0;
tree_difference = 0;
- retval = diff_tree(&empty, &real, "", &revs->diffopt);
+ retval = diff_tree(&empty, &real, "", &revs->pruning);
free(tree);
return retval >= 0 && !tree_difference;
if (revs->prune_fn)
revs->prune_fn(revs, commit);
+ if (revs->no_walk)
+ return;
+
parent = commit->parents;
while (parent) {
struct commit *p = parent->item;
revs->commits = newlist;
}
-static void add_one_commit(struct commit *commit, struct rev_info *revs)
-{
- if (!commit || (commit->object.flags & SEEN))
- return;
- commit->object.flags |= SEEN;
- commit_list_insert(commit, &revs->commits);
-}
-
static int all_flags;
static struct rev_info *all_revs;
static int handle_one_ref(const char *path, const unsigned char *sha1)
{
- struct commit *commit = get_commit_reference(all_revs, path, sha1, all_flags);
- add_one_commit(commit, all_revs);
+ struct object *object = get_reference(all_revs, path, sha1, all_flags);
+ add_pending_object(all_revs, object, "");
return 0;
}
void init_revisions(struct rev_info *revs)
{
memset(revs, 0, sizeof(*revs));
- revs->diffopt.recursive = 1;
- revs->diffopt.add_remove = file_add_remove;
- revs->diffopt.change = file_change;
+
+ revs->abbrev = DEFAULT_ABBREV;
+ revs->ignore_merges = 1;
+ revs->pruning.recursive = 1;
+ revs->pruning.add_remove = file_add_remove;
+ revs->pruning.change = file_change;
revs->lifo = 1;
revs->dense = 1;
revs->prefix = setup_git_directory();
revs->topo_setter = topo_sort_default_setter;
revs->topo_getter = topo_sort_default_getter;
+
+ revs->commit_format = CMIT_FMT_DEFAULT;
+
+ diff_setup(&revs->diffopt);
}
/*
const char **unrecognized = argv + 1;
int left = 1;
- init_revisions(revs);
-
/* First, search for "--" */
seen_dashdash = 0;
for (i = 1; i < argc; i++) {
flags = 0;
for (i = 1; i < argc; i++) {
- struct commit *commit;
+ struct object *object;
const char *arg = argv[i];
unsigned char sha1[20];
char *dotdot;
int local_flags;
if (*arg == '-') {
+ int opts;
if (!strncmp(arg, "--max-count=", 12)) {
revs->max_count = atoi(arg + 12);
continue;
revs->unpacked = 1;
continue;
}
+ if (!strcmp(arg, "-r")) {
+ revs->diff = 1;
+ revs->diffopt.recursive = 1;
+ continue;
+ }
+ if (!strcmp(arg, "-t")) {
+ revs->diff = 1;
+ revs->diffopt.recursive = 1;
+ revs->diffopt.tree_in_recursive = 1;
+ continue;
+ }
+ if (!strcmp(arg, "-m")) {
+ revs->ignore_merges = 0;
+ continue;
+ }
+ if (!strcmp(arg, "-c")) {
+ revs->diff = 1;
+ revs->combine_merges = 1;
+ continue;
+ }
+ if (!strcmp(arg, "--cc")) {
+ revs->diff = 1;
+ revs->dense_combined_merges = 1;
+ revs->combine_merges = 1;
+ continue;
+ }
+ if (!strcmp(arg, "-v")) {
+ revs->verbose_header = 1;
+ continue;
+ }
+ if (!strncmp(arg, "--pretty", 8)) {
+ revs->verbose_header = 1;
+ revs->commit_format = get_commit_format(arg+8);
+ continue;
+ }
+ if (!strcmp(arg, "--root")) {
+ revs->show_root_diff = 1;
+ continue;
+ }
+ if (!strcmp(arg, "--no-commit-id")) {
+ revs->no_commit_id = 1;
+ continue;
+ }
+ if (!strcmp(arg, "--always")) {
+ revs->always_show_header = 1;
+ continue;
+ }
+ if (!strcmp(arg, "--no-abbrev")) {
+ revs->abbrev = 0;
+ continue;
+ }
+ if (!strcmp(arg, "--abbrev")) {
+ revs->abbrev = DEFAULT_ABBREV;
+ continue;
+ }
+ if (!strcmp(arg, "--abbrev-commit")) {
+ revs->abbrev_commit = 1;
+ continue;
+ }
+ if (!strcmp(arg, "--full-diff")) {
+ revs->diff = 1;
+ revs->full_diff = 1;
+ continue;
+ }
+ opts = diff_opt_parse(&revs->diffopt, argv+i, argc-i);
+ if (opts > 0) {
+ revs->diff = 1;
+ i += opts - 1;
+ continue;
+ }
*unrecognized++ = arg;
left++;
continue;
this = "HEAD";
if (!get_sha1(this, from_sha1) &&
!get_sha1(next, sha1)) {
- struct commit *exclude;
- struct commit *include;
+ struct object *exclude;
+ struct object *include;
- exclude = get_commit_reference(revs, this, from_sha1, flags ^ UNINTERESTING);
- include = get_commit_reference(revs, next, sha1, flags);
+ exclude = get_reference(revs, this, from_sha1, flags ^ UNINTERESTING);
+ include = get_reference(revs, next, sha1, flags);
if (!exclude || !include)
die("Invalid revision range %s..%s", arg, next);
- add_one_commit(exclude, revs);
- add_one_commit(include, revs);
+ add_pending_object(revs, exclude, this);
+ add_pending_object(revs, include, next);
continue;
}
*dotdot = '.';
revs->prune_data = get_pathspec(revs->prefix, argv + i);
break;
}
- commit = get_commit_reference(revs, arg, sha1, flags ^ local_flags);
- add_one_commit(commit, revs);
+ object = get_reference(revs, arg, sha1, flags ^ local_flags);
+ add_pending_object(revs, object, arg);
}
- if (def && !revs->commits) {
+ if (def && !revs->pending_objects) {
unsigned char sha1[20];
- struct commit *commit;
+ struct object *object;
if (get_sha1(def, sha1) < 0)
die("bad default revision '%s'", def);
- commit = get_commit_reference(revs, def, sha1, 0);
- add_one_commit(commit, revs);
+ object = get_reference(revs, def, sha1, 0);
+ add_pending_object(revs, object, def);
}
if (revs->topo_order || revs->unpacked)
revs->limited = 1;
if (revs->prune_data) {
- diff_tree_setup_paths(revs->prune_data, &revs->diffopt);
+ diff_tree_setup_paths(revs->prune_data, &revs->pruning);
revs->prune_fn = try_to_simplify_commit;
+ if (!revs->full_diff)
+ diff_tree_setup_paths(revs->prune_data, &revs->diffopt);
}
+ if (revs->combine_merges) {
+ revs->ignore_merges = 0;
+ if (revs->dense_combined_merges)
+ revs->diffopt.output_format = DIFF_FORMAT_PATCH;
+ }
+ revs->diffopt.abbrev = revs->abbrev;
+ diff_setup_done(&revs->diffopt);
return left;
}
void prepare_revision_walk(struct rev_info *revs)
{
- sort_by_date(&revs->commits);
+ struct object_list *list;
+
+ list = revs->pending_objects;
+ revs->pending_objects = NULL;
+ while (list) {
+ struct commit *commit = handle_commit(revs, list->item, list->name);
+ if (commit) {
+ if (!(commit->object.flags & SEEN)) {
+ commit->object.flags |= SEEN;
+ insert_by_date(commit, &revs->commits);
+ }
+ }
+ list = list->next;
+ }
+
+ if (revs->no_walk)
+ return;
if (revs->limited)
limit_list(revs);
if (revs->topo_order)
#define ADDED (1u<<7) /* Parents already parsed and added? */
struct rev_info;
+struct log_info;
typedef void (prune_fn_t)(struct rev_info *revs, struct commit *commit);
/* Traversal flags */
unsigned int dense:1,
no_merges:1,
+ no_walk:1,
remove_empty_trees:1,
lifo:1,
topo_order:1,
boundary:1,
parents:1;
+ /* Diff flags */
+ unsigned int diff:1,
+ full_diff:1,
+ show_root_diff:1,
+ no_commit_id:1,
+ verbose_header:1,
+ ignore_merges:1,
+ combine_merges:1,
+ dense_combined_merges:1,
+ always_show_header:1;
+
+ /* Format info */
+ unsigned int shown_one:1,
+ abbrev_commit:1;
+ unsigned int abbrev;
+ enum cmit_fmt commit_format;
+ struct log_info *loginfo;
+
/* special limits */
int max_count;
unsigned long max_age;
unsigned long min_age;
- /* paths limiting */
+ /* diff info for patches and for paths limiting */
struct diff_options diffopt;
+ struct diff_options pruning;
topo_sort_set_fn_t topo_setter;
topo_sort_get_fn_t topo_getter;
#test_expect_success 'git-read-tree --reset HEAD' "git-read-tree --reset HEAD ; test \"hello: needs update\" = \"$(git-update-index --refresh)\""
cat > whatchanged.expect << EOF
-diff-tree VARIABLE (from root)
+commit VARIABLE
Author: VARIABLE
Date: VARIABLE
EOF
git-whatchanged -p --root | \
- sed -e "1s/^\(.\{10\}\).\{40\}/\1VARIABLE/" \
+ sed -e "1s/^\(.\{7\}\).\{40\}/\1VARIABLE/" \
-e "2,3s/^\(.\{8\}\).*$/\1VARIABLE/" \
> whatchanged.output
test_expect_success 'git-whatchanged -p --root' 'cmp whatchanged.expect whatchanged.output'
projects / git.git / commitdiff