#include "grep.h"
#include "reflog-walk.h"
#include "patch-ids.h"
+ #include "decorate.h"
volatile show_early_output_fn_t show_early_output;
return 0;
}
+void read_revisions_from_stdin(struct rev_info *revs)
+{
+ char line[1000];
+
+ while (fgets(line, sizeof(line), stdin) != NULL) {
+ int len = strlen(line);
+ if (len && line[len - 1] == '\n')
+ line[--len] = '\0';
+ if (!len)
+ break;
+ if (line[0] == '-')
+ die("options not supported in --stdin mode");
+ if (handle_revision_arg(line, revs, 0, 1))
+ die("bad revision '%s'", line);
+ }
+}
+
static void add_grep(struct rev_info *revs, const char *ptn, enum grep_pat_token what)
{
if (!revs->grep_filter) {
revs->ignore_packed[num] = NULL;
}
+ static int handle_revision_opt(struct rev_info *revs, int argc, const char **argv,
+ int *unkc, const char **unkv)
+ {
+ const char *arg = argv[0];
+
+ /* pseudo revision arguments */
+ if (!strcmp(arg, "--all") || !strcmp(arg, "--branches") ||
+ !strcmp(arg, "--tags") || !strcmp(arg, "--remotes") ||
+ !strcmp(arg, "--reflog") || !strcmp(arg, "--not") ||
+ !strcmp(arg, "--no-walk") || !strcmp(arg, "--do-walk"))
+ {
+ unkv[(*unkc)++] = arg;
+ return 0;
+ }
+
+ if (!prefixcmp(arg, "--max-count=")) {
+ revs->max_count = atoi(arg + 12);
+ } else if (!prefixcmp(arg, "--skip=")) {
+ revs->skip_count = atoi(arg + 7);
+ } else if ((*arg == '-') && isdigit(arg[1])) {
+ /* accept -<digit>, like traditional "head" */
+ revs->max_count = atoi(arg + 1);
+ } else if (!strcmp(arg, "-n")) {
+ if (argc <= 1)
+ return error("-n requires an argument");
+ revs->max_count = atoi(argv[1]);
+ return 2;
+ } else if (!prefixcmp(arg, "-n")) {
+ revs->max_count = atoi(arg + 2);
+ } else if (!prefixcmp(arg, "--max-age=")) {
+ revs->max_age = atoi(arg + 10);
+ } else if (!prefixcmp(arg, "--since=")) {
+ revs->max_age = approxidate(arg + 8);
+ } else if (!prefixcmp(arg, "--after=")) {
+ revs->max_age = approxidate(arg + 8);
+ } else if (!prefixcmp(arg, "--min-age=")) {
+ revs->min_age = atoi(arg + 10);
+ } else if (!prefixcmp(arg, "--before=")) {
+ revs->min_age = approxidate(arg + 9);
+ } else if (!prefixcmp(arg, "--until=")) {
+ revs->min_age = approxidate(arg + 8);
+ } else if (!strcmp(arg, "--first-parent")) {
+ revs->first_parent_only = 1;
+ } else if (!strcmp(arg, "-g") || !strcmp(arg, "--walk-reflogs")) {
+ init_reflog_walk(&revs->reflog_info);
+ } else if (!strcmp(arg, "--default")) {
+ if (argc <= 1)
+ return error("bad --default argument");
+ revs->def = argv[1];
+ return 2;
+ } else if (!strcmp(arg, "--merge")) {
+ revs->show_merge = 1;
+ } else if (!strcmp(arg, "--topo-order")) {
+ revs->lifo = 1;
+ revs->topo_order = 1;
+ } else if (!strcmp(arg, "--date-order")) {
+ revs->lifo = 0;
+ revs->topo_order = 1;
+ } else if (!prefixcmp(arg, "--early-output")) {
+ int count = 100;
+ switch (arg[14]) {
+ case '=':
+ count = atoi(arg+15);
+ /* Fallthrough */
+ case 0:
+ revs->topo_order = 1;
+ revs->early_output = count;
+ }
+ } else if (!strcmp(arg, "--parents")) {
+ revs->rewrite_parents = 1;
+ revs->print_parents = 1;
+ } else if (!strcmp(arg, "--dense")) {
+ revs->dense = 1;
+ } else if (!strcmp(arg, "--sparse")) {
+ revs->dense = 0;
+ } else if (!strcmp(arg, "--show-all")) {
+ revs->show_all = 1;
+ } else if (!strcmp(arg, "--remove-empty")) {
+ revs->remove_empty_trees = 1;
+ } else if (!strcmp(arg, "--no-merges")) {
+ revs->no_merges = 1;
+ } else if (!strcmp(arg, "--boundary")) {
+ revs->boundary = 1;
+ } else if (!strcmp(arg, "--left-right")) {
+ revs->left_right = 1;
+ } else if (!strcmp(arg, "--cherry-pick")) {
+ revs->cherry_pick = 1;
+ revs->limited = 1;
+ } else if (!strcmp(arg, "--objects")) {
+ revs->tag_objects = 1;
+ revs->tree_objects = 1;
+ revs->blob_objects = 1;
+ } else if (!strcmp(arg, "--objects-edge")) {
+ revs->tag_objects = 1;
+ revs->tree_objects = 1;
+ revs->blob_objects = 1;
+ revs->edge_hint = 1;
+ } else if (!strcmp(arg, "--unpacked")) {
+ revs->unpacked = 1;
+ free(revs->ignore_packed);
+ revs->ignore_packed = NULL;
+ revs->num_ignore_packed = 0;
+ } else if (!prefixcmp(arg, "--unpacked=")) {
+ revs->unpacked = 1;
+ add_ignore_packed(revs, arg+11);
+ } else if (!strcmp(arg, "-r")) {
+ revs->diff = 1;
+ DIFF_OPT_SET(&revs->diffopt, RECURSIVE);
+ } else if (!strcmp(arg, "-t")) {
+ revs->diff = 1;
+ DIFF_OPT_SET(&revs->diffopt, RECURSIVE);
+ DIFF_OPT_SET(&revs->diffopt, TREE_IN_RECURSIVE);
+ } else if (!strcmp(arg, "-m")) {
+ revs->ignore_merges = 0;
+ } else if (!strcmp(arg, "-c")) {
+ revs->diff = 1;
+ revs->dense_combined_merges = 0;
+ revs->combine_merges = 1;
+ } else if (!strcmp(arg, "--cc")) {
+ revs->diff = 1;
+ revs->dense_combined_merges = 1;
+ revs->combine_merges = 1;
+ } else if (!strcmp(arg, "-v")) {
+ revs->verbose_header = 1;
+ } else if (!strcmp(arg, "--pretty")) {
+ revs->verbose_header = 1;
+ get_commit_format(arg+8, revs);
+ } else if (!prefixcmp(arg, "--pretty=")) {
+ revs->verbose_header = 1;
+ get_commit_format(arg+9, revs);
+ } else if (!strcmp(arg, "--graph")) {
+ revs->topo_order = 1;
+ revs->rewrite_parents = 1;
+ revs->graph = graph_init(revs);
+ } else if (!strcmp(arg, "--root")) {
+ revs->show_root_diff = 1;
+ } else if (!strcmp(arg, "--no-commit-id")) {
+ revs->no_commit_id = 1;
+ } else if (!strcmp(arg, "--always")) {
+ revs->always_show_header = 1;
+ } else if (!strcmp(arg, "--no-abbrev")) {
+ revs->abbrev = 0;
+ } else if (!strcmp(arg, "--abbrev")) {
+ revs->abbrev = DEFAULT_ABBREV;
+ } else if (!prefixcmp(arg, "--abbrev=")) {
+ revs->abbrev = strtoul(arg + 9, NULL, 10);
+ if (revs->abbrev < MINIMUM_ABBREV)
+ revs->abbrev = MINIMUM_ABBREV;
+ else if (revs->abbrev > 40)
+ revs->abbrev = 40;
+ } else if (!strcmp(arg, "--abbrev-commit")) {
+ revs->abbrev_commit = 1;
+ } else if (!strcmp(arg, "--full-diff")) {
+ revs->diff = 1;
+ revs->full_diff = 1;
+ } else if (!strcmp(arg, "--full-history")) {
+ revs->simplify_history = 0;
+ } else if (!strcmp(arg, "--relative-date")) {
+ revs->date_mode = DATE_RELATIVE;
+ } else if (!strncmp(arg, "--date=", 7)) {
+ revs->date_mode = parse_date_format(arg + 7);
+ } else if (!strcmp(arg, "--log-size")) {
+ revs->show_log_size = 1;
+ }
+ /*
+ * Grepping the commit log
+ */
+ else if (!prefixcmp(arg, "--author=")) {
+ add_header_grep(revs, "author", arg+9);
+ } else if (!prefixcmp(arg, "--committer=")) {
+ add_header_grep(revs, "committer", arg+12);
+ } else if (!prefixcmp(arg, "--grep=")) {
+ add_message_grep(revs, arg+7);
+ } else if (!strcmp(arg, "--extended-regexp") || !strcmp(arg, "-E")) {
+ if (revs->grep_filter)
+ revs->grep_filter->regflags |= REG_EXTENDED;
+ } else if (!strcmp(arg, "--regexp-ignore-case") || !strcmp(arg, "-i")) {
+ if (revs->grep_filter)
+ revs->grep_filter->regflags |= REG_ICASE;
+ } else if (!strcmp(arg, "--fixed-strings") || !strcmp(arg, "-F")) {
+ if (revs->grep_filter)
+ revs->grep_filter->fixed = 1;
+ } else if (!strcmp(arg, "--all-match")) {
+ if (revs->grep_filter)
+ revs->grep_filter->all_match = 1;
+ } else if (!prefixcmp(arg, "--encoding=")) {
+ arg += 11;
+ if (strcmp(arg, "none"))
+ git_log_output_encoding = xstrdup(arg);
+ else
+ git_log_output_encoding = "";
+ } else if (!strcmp(arg, "--reverse")) {
+ revs->reverse ^= 1;
+ } else if (!strcmp(arg, "--children")) {
+ revs->children.name = "children";
+ revs->limited = 1;
+ } else {
+ int opts = diff_opt_parse(&revs->diffopt, argv, argc);
+ if (!opts)
+ unkv[(*unkc)++] = arg;
+ return opts;
+ }
+
+ return 1;
+ }
+
+ void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
+ const struct option *options,
+ const char * const usagestr[])
+ {
+ int n = handle_revision_opt(revs, ctx->argc, ctx->argv,
+ &ctx->cpidx, ctx->out);
+ if (n <= 0) {
+ error("unknown option `%s'", ctx->argv[0]);
+ usage_with_options(usagestr, options);
+ }
+ ctx->argv += n;
+ ctx->argc -= n;
+ }
+
/*
* Parse revision information, filling in the "rev_info" structure,
* and removing the used arguments from the argument list.
*/
int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def)
{
- int i, flags, seen_dashdash, show_merge;
- const char **unrecognized = argv + 1;
- int left = 1;
- int all_match = 0;
- int regflags = 0;
- int fixed = 0;
+ int i, flags, left, seen_dashdash;
/* First, search for "--" */
seen_dashdash = 0;
break;
}
- flags = show_merge = 0;
- for (i = 1; i < argc; i++) {
+ /* Second, deal with arguments and options */
+ flags = 0;
+ for (left = i = 1; i < argc; i++) {
const char *arg = argv[i];
if (*arg == '-') {
int opts;
- if (!prefixcmp(arg, "--max-count=")) {
- revs->max_count = atoi(arg + 12);
- continue;
- }
- if (!prefixcmp(arg, "--skip=")) {
- revs->skip_count = atoi(arg + 7);
- continue;
- }
- /* accept -<digit>, like traditional "head" */
- if ((*arg == '-') && isdigit(arg[1])) {
- revs->max_count = atoi(arg + 1);
- continue;
- }
- if (!strcmp(arg, "-n")) {
- if (argc <= i + 1)
- die("-n requires an argument");
- revs->max_count = atoi(argv[++i]);
- continue;
- }
- if (!prefixcmp(arg, "-n")) {
- revs->max_count = atoi(arg + 2);
- continue;
- }
- if (!prefixcmp(arg, "--max-age=")) {
- revs->max_age = atoi(arg + 10);
- continue;
- }
- if (!prefixcmp(arg, "--since=")) {
- revs->max_age = approxidate(arg + 8);
- continue;
- }
- if (!prefixcmp(arg, "--after=")) {
- revs->max_age = approxidate(arg + 8);
- continue;
- }
- if (!prefixcmp(arg, "--min-age=")) {
- revs->min_age = atoi(arg + 10);
- continue;
- }
- if (!prefixcmp(arg, "--before=")) {
- revs->min_age = approxidate(arg + 9);
- continue;
- }
- if (!prefixcmp(arg, "--until=")) {
- revs->min_age = approxidate(arg + 8);
- continue;
- }
+
if (!strcmp(arg, "--all")) {
handle_refs(revs, flags, for_each_ref);
continue;
handle_refs(revs, flags, for_each_remote_ref);
continue;
}
- if (!strcmp(arg, "--first-parent")) {
- revs->first_parent_only = 1;
- continue;
- }
if (!strcmp(arg, "--reflog")) {
handle_reflog(revs, flags);
continue;
}
- if (!strcmp(arg, "-g") ||
- !strcmp(arg, "--walk-reflogs")) {
- init_reflog_walk(&revs->reflog_info);
- continue;
- }
if (!strcmp(arg, "--not")) {
flags ^= UNINTERESTING;
continue;
}
- if (!strcmp(arg, "--default")) {
- if (++i >= argc)
- die("bad --default argument");
- def = argv[i];
- continue;
- }
- if (!strcmp(arg, "--merge")) {
- show_merge = 1;
- continue;
- }
- if (!strcmp(arg, "--topo-order")) {
- revs->lifo = 1;
- revs->topo_order = 1;
- continue;
- }
- if (!strcmp(arg, "--date-order")) {
- revs->lifo = 0;
- revs->topo_order = 1;
- continue;
- }
- if (!prefixcmp(arg, "--early-output")) {
- int count = 100;
- switch (arg[14]) {
- case '=':
- count = atoi(arg+15);
- /* Fallthrough */
- case 0:
- revs->topo_order = 1;
- revs->early_output = count;
- continue;
- }
- }
- if (!strcmp(arg, "--parents")) {
- revs->rewrite_parents = 1;
- revs->print_parents = 1;
- continue;
- }
- if (!strcmp(arg, "--dense")) {
- revs->dense = 1;
- continue;
- }
- if (!strcmp(arg, "--sparse")) {
- revs->dense = 0;
- continue;
- }
- if (!strcmp(arg, "--show-all")) {
- revs->show_all = 1;
- continue;
- }
- if (!strcmp(arg, "--remove-empty")) {
- revs->remove_empty_trees = 1;
- continue;
- }
- if (!strcmp(arg, "--no-merges")) {
- revs->no_merges = 1;
- continue;
- }
- if (!strcmp(arg, "--boundary")) {
- revs->boundary = 1;
- continue;
- }
- if (!strcmp(arg, "--left-right")) {
- revs->left_right = 1;
- continue;
- }
- if (!strcmp(arg, "--cherry-pick")) {
- revs->cherry_pick = 1;
- revs->limited = 1;
- continue;
- }
- if (!strcmp(arg, "--objects")) {
- revs->tag_objects = 1;
- revs->tree_objects = 1;
- revs->blob_objects = 1;
- continue;
- }
- if (!strcmp(arg, "--objects-edge")) {
- revs->tag_objects = 1;
- revs->tree_objects = 1;
- revs->blob_objects = 1;
- revs->edge_hint = 1;
- continue;
- }
- if (!strcmp(arg, "--unpacked")) {
- revs->unpacked = 1;
- free(revs->ignore_packed);
- revs->ignore_packed = NULL;
- revs->num_ignore_packed = 0;
- continue;
- }
- if (!prefixcmp(arg, "--unpacked=")) {
- revs->unpacked = 1;
- add_ignore_packed(revs, arg+11);
- continue;
- }
- if (!strcmp(arg, "-r")) {
- revs->diff = 1;
- DIFF_OPT_SET(&revs->diffopt, RECURSIVE);
- continue;
- }
- if (!strcmp(arg, "-t")) {
- revs->diff = 1;
- DIFF_OPT_SET(&revs->diffopt, RECURSIVE);
- DIFF_OPT_SET(&revs->diffopt, TREE_IN_RECURSIVE);
- continue;
- }
- if (!strcmp(arg, "-m")) {
- revs->ignore_merges = 0;
- continue;
- }
- if (!strcmp(arg, "-c")) {
- revs->diff = 1;
- revs->dense_combined_merges = 0;
- 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 (!strcmp(arg, "--pretty")) {
- revs->verbose_header = 1;
- get_commit_format(arg+8, revs);
- continue;
- }
- if (!prefixcmp(arg, "--pretty=")) {
- revs->verbose_header = 1;
- get_commit_format(arg+9, revs);
- continue;
- }
- if (!strcmp(arg, "--graph")) {
- revs->topo_order = 1;
- revs->rewrite_parents = 1;
- revs->graph = graph_init(revs);
- 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 (!prefixcmp(arg, "--abbrev=")) {
- revs->abbrev = strtoul(arg + 9, NULL, 10);
- if (revs->abbrev < MINIMUM_ABBREV)
- revs->abbrev = MINIMUM_ABBREV;
- else if (revs->abbrev > 40)
- revs->abbrev = 40;
- continue;
- }
- if (!strcmp(arg, "--abbrev-commit")) {
- revs->abbrev_commit = 1;
- continue;
- }
- if (!strcmp(arg, "--full-diff")) {
- revs->diff = 1;
- revs->full_diff = 1;
- continue;
- }
- if (!strcmp(arg, "--full-history")) {
- revs->simplify_history = 0;
- continue;
- }
- if (!strcmp(arg, "--relative-date")) {
- revs->date_mode = DATE_RELATIVE;
- continue;
- }
- if (!strncmp(arg, "--date=", 7)) {
- revs->date_mode = parse_date_format(arg + 7);
- continue;
- }
- if (!strcmp(arg, "--log-size")) {
- revs->show_log_size = 1;
- continue;
- }
-
- /*
- * Grepping the commit log
- */
- if (!prefixcmp(arg, "--author=")) {
- add_header_grep(revs, "author", arg+9);
- continue;
- }
- if (!prefixcmp(arg, "--committer=")) {
- add_header_grep(revs, "committer", arg+12);
- continue;
- }
- if (!prefixcmp(arg, "--grep=")) {
- add_message_grep(revs, arg+7);
- continue;
- }
- if (!strcmp(arg, "--extended-regexp") ||
- !strcmp(arg, "-E")) {
- regflags |= REG_EXTENDED;
- continue;
- }
- if (!strcmp(arg, "--regexp-ignore-case") ||
- !strcmp(arg, "-i")) {
- regflags |= REG_ICASE;
- continue;
- }
- if (!strcmp(arg, "--fixed-strings") ||
- !strcmp(arg, "-F")) {
- fixed = 1;
- continue;
- }
- if (!strcmp(arg, "--all-match")) {
- all_match = 1;
- continue;
- }
- if (!prefixcmp(arg, "--encoding=")) {
- arg += 11;
- if (strcmp(arg, "none"))
- git_log_output_encoding = xstrdup(arg);
- else
- git_log_output_encoding = "";
- continue;
- }
- if (!strcmp(arg, "--reverse")) {
- revs->reverse ^= 1;
- continue;
- }
if (!strcmp(arg, "--no-walk")) {
revs->no_walk = 1;
continue;
continue;
}
- opts = diff_opt_parse(&revs->diffopt, argv+i, argc-i);
+ opts = handle_revision_opt(revs, argc - i, argv + i, &left, argv);
if (opts > 0) {
i += opts - 1;
continue;
}
- *unrecognized++ = arg;
- left++;
+ if (opts < 0)
+ exit(128);
continue;
}
}
}
- if (revs->grep_filter) {
- revs->grep_filter->regflags |= regflags;
- revs->grep_filter->fixed = fixed;
- }
-
- if (show_merge)
+ if (revs->def == NULL)
+ revs->def = def;
+ if (revs->show_merge)
prepare_show_merge(revs);
- if (def && !revs->pending.nr) {
+ if (revs->def && !revs->pending.nr) {
unsigned char sha1[20];
struct object *object;
unsigned mode;
- if (get_sha1_with_mode(def, sha1, &mode))
- die("bad default revision '%s'", def);
- object = get_reference(revs, def, sha1, 0);
- add_pending_object_with_mode(revs, object, def, mode);
+ if (get_sha1_with_mode(revs->def, sha1, &mode))
+ die("bad default revision '%s'", revs->def);
+ object = get_reference(revs, revs->def, sha1, 0);
+ add_pending_object_with_mode(revs, object, revs->def, mode);
}
/* Did the user ask for any diff output? Run the diff! */
die("diff_setup_done failed");
if (revs->grep_filter) {
- revs->grep_filter->all_match = all_match;
compile_grep_patterns(revs->grep_filter);
}
if (revs->reverse && revs->reflog_info)
die("cannot combine --reverse with --walk-reflogs");
+ if (revs->rewrite_parents && revs->children.name)
+ die("cannot combine --parents and --children");
/*
* Limitations on the graph functionality
return left;
}
+ static void add_child(struct rev_info *revs, struct commit *parent, struct commit *child)
+ {
+ struct commit_list *l = xcalloc(1, sizeof(*l));
+
+ l->item = child;
+ l->next = add_decoration(&revs->children, &parent->object, l);
+ }
+
+ static void set_children(struct rev_info *revs)
+ {
+ struct commit_list *l;
+ for (l = revs->commits; l; l = l->next) {
+ struct commit *commit = l->item;
+ struct commit_list *p;
+
+ for (p = commit->parents; p; p = p->next)
+ add_child(revs, p->item, commit);
+ }
+ }
+
int prepare_revision_walk(struct rev_info *revs)
{
int nr = revs->pending.nr;
return -1;
if (revs->topo_order)
sort_in_topological_order(&revs->commits, revs->lifo);
+ if (revs->children.name)
+ set_children(revs);
return 0;
}
commit->buffer, strlen(commit->buffer));
}
+ static inline int want_ancestry(struct rev_info *revs)
+ {
+ return (revs->rewrite_parents || revs->children.name);
+ }
+
enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit)
{
if (commit->object.flags & SHOWN)
/* Commit without changes? */
if (commit->object.flags & TREESAME) {
/* drop merges unless we want parenthood */
- if (!revs->rewrite_parents)
+ if (!want_ancestry(revs))
return commit_ignore;
/* non-merge - always ignore it */
if (!commit->parents || !commit->parents->next)
return commit_ignore;
}
- if (revs->rewrite_parents && rewrite_parents(revs, commit) < 0)
+ if (want_ancestry(revs) && rewrite_parents(revs, commit) < 0)
return commit_error;
}
return commit_show;