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Diffstat (limited to 'revision.c')
-rw-r--r--revision.c300
1 files changed, 238 insertions, 62 deletions
diff --git a/revision.c b/revision.c
index 935e7a7ba4..7f7a8ab7cb 100644
--- a/revision.c
+++ b/revision.c
@@ -13,6 +13,7 @@
#include "decorate.h"
#include "log-tree.h"
#include "string-list.h"
+#include "mailmap.h"
volatile show_early_output_fn_t show_early_output;
@@ -345,6 +346,7 @@ static int tree_difference = REV_TREE_SAME;
static void file_add_remove(struct diff_options *options,
int addremove, unsigned mode,
const unsigned char *sha1,
+ int sha1_valid,
const char *fullpath, unsigned dirty_submodule)
{
int diff = addremove == '+' ? REV_TREE_NEW : REV_TREE_OLD;
@@ -358,6 +360,7 @@ static void file_change(struct diff_options *options,
unsigned old_mode, unsigned new_mode,
const unsigned char *old_sha1,
const unsigned char *new_sha1,
+ int old_sha1_valid, int new_sha1_valid,
const char *fullpath,
unsigned old_dirty_submodule, unsigned new_dirty_submodule)
{
@@ -706,7 +709,7 @@ static int still_interesting(struct commit_list *src, unsigned long date, int sl
* Does the destination list contain entries with a date
* before the source list? Definitely _not_ done.
*/
- if (date < src->item->date)
+ if (date <= src->item->date)
return SLOP;
/*
@@ -912,6 +915,19 @@ static void add_rev_cmdline(struct rev_info *revs,
info->nr++;
}
+static void add_rev_cmdline_list(struct rev_info *revs,
+ struct commit_list *commit_list,
+ int whence,
+ unsigned flags)
+{
+ while (commit_list) {
+ struct object *object = &commit_list->item->object;
+ add_rev_cmdline(revs, object, sha1_to_hex(object->sha1),
+ whence, flags);
+ commit_list = commit_list->next;
+ }
+}
+
struct all_refs_cb {
int all_flags;
int warned_bad_reflog;
@@ -1000,7 +1016,7 @@ static int add_parents_only(struct rev_info *revs, const char *arg_, int flags)
flags ^= UNINTERESTING;
arg++;
}
- if (get_sha1(arg, sha1))
+ if (get_sha1_committish(arg, sha1))
return 0;
while (1) {
it = get_reference(revs, arg, sha1, 0);
@@ -1046,9 +1062,9 @@ void init_revisions(struct rev_info *revs, const char *prefix)
revs->commit_format = CMIT_FMT_DEFAULT;
+ init_grep_defaults();
+ grep_init(&revs->grep_filter, prefix);
revs->grep_filter.status_only = 1;
- revs->grep_filter.pattern_tail = &(revs->grep_filter.pattern_list);
- revs->grep_filter.header_tail = &(revs->grep_filter.header_list);
revs->grep_filter.regflags = REG_NEWLINE;
diff_setup(&revs->diffopt);
@@ -1089,6 +1105,7 @@ static void prepare_show_merge(struct rev_info *revs)
add_pending_object(revs, &head->object, "HEAD");
add_pending_object(revs, &other->object, "MERGE_HEAD");
bases = get_merge_bases(head, other, 1);
+ add_rev_cmdline_list(revs, bases, REV_CMD_MERGE_BASE, UNINTERESTING);
add_pending_commit_list(revs, bases, UNINTERESTING);
free_commit_list(bases);
head->object.flags |= SYMMETRIC_LEFT;
@@ -1114,16 +1131,16 @@ static void prepare_show_merge(struct rev_info *revs)
revs->limited = 1;
}
-int handle_revision_arg(const char *arg_, struct rev_info *revs,
- int flags,
- int cant_be_filename)
+int handle_revision_arg(const char *arg_, struct rev_info *revs, int flags, unsigned revarg_opt)
{
- unsigned mode;
+ struct object_context oc;
char *dotdot;
struct object *object;
unsigned char sha1[20];
int local_flags;
const char *arg = arg_;
+ int cant_be_filename = revarg_opt & REVARG_CANNOT_BE_FILENAME;
+ unsigned get_sha1_flags = 0;
dotdot = strstr(arg, "..");
if (dotdot) {
@@ -1132,17 +1149,29 @@ int handle_revision_arg(const char *arg_, struct rev_info *revs,
const char *this = arg;
int symmetric = *next == '.';
unsigned int flags_exclude = flags ^ UNINTERESTING;
+ static const char head_by_default[] = "HEAD";
unsigned int a_flags;
*dotdot = 0;
next += symmetric;
if (!*next)
- next = "HEAD";
+ next = head_by_default;
if (dotdot == arg)
- this = "HEAD";
- if (!get_sha1(this, from_sha1) &&
- !get_sha1(next, sha1)) {
+ this = head_by_default;
+ if (this == head_by_default && next == head_by_default &&
+ !symmetric) {
+ /*
+ * Just ".."? That is not a range but the
+ * pathspec for the parent directory.
+ */
+ if (!cant_be_filename) {
+ *dotdot = '.';
+ return -1;
+ }
+ }
+ if (!get_sha1_committish(this, from_sha1) &&
+ !get_sha1_committish(next, sha1)) {
struct commit *a, *b;
struct commit_list *exclude;
@@ -1164,6 +1193,9 @@ int handle_revision_arg(const char *arg_, struct rev_info *revs,
if (symmetric) {
exclude = get_merge_bases(a, b, 1);
+ add_rev_cmdline_list(revs, exclude,
+ REV_CMD_MERGE_BASE,
+ flags_exclude);
add_pending_commit_list(revs, exclude,
flags_exclude);
free_commit_list(exclude);
@@ -1201,13 +1233,17 @@ int handle_revision_arg(const char *arg_, struct rev_info *revs,
local_flags = UNINTERESTING;
arg++;
}
- if (get_sha1_with_mode(arg, sha1, &mode))
+
+ if (revarg_opt & REVARG_COMMITTISH)
+ get_sha1_flags = GET_SHA1_COMMITTISH;
+
+ if (get_sha1_with_context(arg, get_sha1_flags, sha1, &oc))
return revs->ignore_missing ? 0 : -1;
if (!cant_be_filename)
verify_non_filename(revs->prefix, arg);
object = get_reference(revs, arg, sha1, flags ^ local_flags);
add_rev_cmdline(revs, object, arg_, REV_CMD_REV, flags ^ local_flags);
- add_pending_object_with_mode(revs, object, arg, mode);
+ add_pending_object_with_mode(revs, object, arg, oc.mode);
return 0;
}
@@ -1257,7 +1293,8 @@ static void read_revisions_from_stdin(struct rev_info *revs,
}
die("options not supported in --stdin mode");
}
- if (handle_revision_arg(sb.buf, revs, 0, 1))
+ if (handle_revision_arg(xstrdup(sb.buf), revs, 0,
+ REVARG_CANNOT_BE_FILENAME))
die("bad revision '%s'", sb.buf);
}
if (seen_dashdash)
@@ -1294,7 +1331,7 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
!strcmp(arg, "--no-walk") || !strcmp(arg, "--do-walk") ||
!strcmp(arg, "--bisect") || !prefixcmp(arg, "--glob=") ||
!prefixcmp(arg, "--branches=") || !prefixcmp(arg, "--tags=") ||
- !prefixcmp(arg, "--remotes="))
+ !prefixcmp(arg, "--remotes=") || !prefixcmp(arg, "--no-walk="))
{
unkv[(*unkc)++] = arg;
return 1;
@@ -1358,11 +1395,13 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
revs->topo_order = 1;
} else if (!strcmp(arg, "--simplify-merges")) {
revs->simplify_merges = 1;
+ revs->topo_order = 1;
revs->rewrite_parents = 1;
revs->simplify_history = 0;
revs->limited = 1;
} else if (!strcmp(arg, "--simplify-by-decoration")) {
revs->simplify_merges = 1;
+ revs->topo_order = 1;
revs->rewrite_parents = 1;
revs->simplify_history = 0;
revs->simplify_by_decoration = 1;
@@ -1575,16 +1614,25 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
} else if ((argcount = parse_long_opt("committer", argv, &optarg))) {
add_header_grep(revs, GREP_HEADER_COMMITTER, optarg);
return argcount;
+ } else if ((argcount = parse_long_opt("grep-reflog", argv, &optarg))) {
+ add_header_grep(revs, GREP_HEADER_REFLOG, optarg);
+ return argcount;
} else if ((argcount = parse_long_opt("grep", argv, &optarg))) {
add_message_grep(revs, optarg);
return argcount;
+ } else if (!strcmp(arg, "--grep-debug")) {
+ revs->grep_filter.debug = 1;
+ } else if (!strcmp(arg, "--basic-regexp")) {
+ grep_set_pattern_type_option(GREP_PATTERN_TYPE_BRE, &revs->grep_filter);
} else if (!strcmp(arg, "--extended-regexp") || !strcmp(arg, "-E")) {
- revs->grep_filter.regflags |= REG_EXTENDED;
+ grep_set_pattern_type_option(GREP_PATTERN_TYPE_ERE, &revs->grep_filter);
} else if (!strcmp(arg, "--regexp-ignore-case") || !strcmp(arg, "-i")) {
revs->grep_filter.regflags |= REG_ICASE;
DIFF_OPT_SET(&revs->diffopt, PICKAXE_IGNORE_CASE);
} else if (!strcmp(arg, "--fixed-strings") || !strcmp(arg, "-F")) {
- revs->grep_filter.fixed = 1;
+ grep_set_pattern_type_option(GREP_PATTERN_TYPE_FIXED, &revs->grep_filter);
+ } else if (!strcmp(arg, "--perl-regexp")) {
+ grep_set_pattern_type_option(GREP_PATTERN_TYPE_PCRE, &revs->grep_filter);
} else if (!strcmp(arg, "--all-match")) {
revs->grep_filter.all_match = 1;
} else if ((argcount = parse_long_opt("encoding", argv, &optarg))) {
@@ -1687,7 +1735,18 @@ static int handle_revision_pseudo_opt(const char *submodule,
} else if (!strcmp(arg, "--not")) {
*flags ^= UNINTERESTING;
} else if (!strcmp(arg, "--no-walk")) {
- revs->no_walk = 1;
+ revs->no_walk = REVISION_WALK_NO_WALK_SORTED;
+ } else if (!prefixcmp(arg, "--no-walk=")) {
+ /*
+ * Detached form ("--no-walk X" as opposed to "--no-walk=X")
+ * not allowed, since the argument is optional.
+ */
+ if (!strcmp(arg + 10, "sorted"))
+ revs->no_walk = REVISION_WALK_NO_WALK_SORTED;
+ else if (!strcmp(arg + 10, "unsorted"))
+ revs->no_walk = REVISION_WALK_NO_WALK_UNSORTED;
+ else
+ return error("invalid argument to --no-walk");
} else if (!strcmp(arg, "--do-walk")) {
revs->no_walk = 0;
} else {
@@ -1706,7 +1765,7 @@ static int handle_revision_pseudo_opt(const char *submodule,
*/
int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct setup_revision_opt *opt)
{
- int i, flags, left, seen_dashdash, read_from_stdin, got_rev_arg = 0;
+ int i, flags, left, seen_dashdash, read_from_stdin, got_rev_arg = 0, revarg_opt;
struct cmdline_pathspec prune_data;
const char *submodule = NULL;
@@ -1734,6 +1793,9 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s
/* Second, deal with arguments and options */
flags = 0;
+ revarg_opt = opt ? opt->revarg_opt : 0;
+ if (seen_dashdash)
+ revarg_opt |= REVARG_CANNOT_BE_FILENAME;
read_from_stdin = 0;
for (left = i = 1; i < argc; i++) {
const char *arg = argv[i];
@@ -1769,7 +1831,8 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s
continue;
}
- if (handle_revision_arg(arg, revs, flags, seen_dashdash)) {
+
+ if (handle_revision_arg(arg, revs, flags, revarg_opt)) {
int j;
if (seen_dashdash || *arg == '^')
die("bad revision '%s'", arg);
@@ -1781,7 +1844,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s
* but the latter we have checked in the main loop.
*/
for (j = i; j < argc; j++)
- verify_filename(revs->prefix, argv[j]);
+ verify_filename(revs->prefix, argv[j], j == i);
append_prune_data(&prune_data, argv + i);
break;
@@ -1820,11 +1883,11 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s
if (revs->def && !revs->pending.nr && !got_rev_arg) {
unsigned char sha1[20];
struct object *object;
- unsigned mode;
- if (get_sha1_with_mode(revs->def, sha1, &mode))
+ struct object_context oc;
+ if (get_sha1_with_context(revs->def, 0, sha1, &oc))
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);
+ add_pending_object_with_mode(revs, object, revs->def, oc.mode);
}
/* Did the user ask for any diff output? Run the diff! */
@@ -1851,9 +1914,10 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s
if (revs->combine_merges)
revs->ignore_merges = 0;
revs->diffopt.abbrev = revs->abbrev;
- if (diff_setup_done(&revs->diffopt) < 0)
- die("diff_setup_done failed");
+ diff_setup_done(&revs->diffopt);
+ grep_commit_pattern_type(GREP_PATTERN_TYPE_UNSPECIFIED,
+ &revs->grep_filter);
compile_grep_patterns(&revs->grep_filter);
if (revs->reverse && revs->reflog_info)
@@ -1869,6 +1933,8 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s
if (revs->reflog_info && revs->graph)
die("cannot combine --walk-reflogs with --graph");
+ if (!revs->reflog_info && revs->grep_filter.use_reflog_filter)
+ die("cannot use --grep-reflog without --walk-reflogs");
return left;
}
@@ -1947,8 +2013,9 @@ static struct commit_list **simplify_one(struct rev_info *revs, struct commit *c
}
/*
- * Do we know what commit all of our parents should be rewritten to?
- * Otherwise we are not ready to rewrite this one yet.
+ * Do we know what commit all of our parents that matter
+ * should be rewritten to? Otherwise we are not ready to
+ * rewrite this one yet.
*/
for (cnt = 0, p = commit->parents; p; p = p->next) {
pst = locate_simplify_state(revs, p->item);
@@ -1956,6 +2023,8 @@ static struct commit_list **simplify_one(struct rev_info *revs, struct commit *c
tail = &commit_list_insert(p->item, tail)->next;
cnt++;
}
+ if (revs->first_parent_only)
+ break;
}
if (cnt) {
tail = &commit_list_insert(commit, tail)->next;
@@ -1968,8 +2037,14 @@ static struct commit_list **simplify_one(struct rev_info *revs, struct commit *c
for (p = commit->parents; p; p = p->next) {
pst = locate_simplify_state(revs, p->item);
p->item = pst->simplified;
+ if (revs->first_parent_only)
+ break;
}
- cnt = remove_duplicate_parents(commit);
+
+ if (revs->first_parent_only)
+ cnt = 1;
+ else
+ cnt = remove_duplicate_parents(commit);
/*
* It is possible that we are a merge and one side branch
@@ -2013,25 +2088,31 @@ static struct commit_list **simplify_one(struct rev_info *revs, struct commit *c
static void simplify_merges(struct rev_info *revs)
{
- struct commit_list *list;
+ struct commit_list *list, *next;
struct commit_list *yet_to_do, **tail;
+ struct commit *commit;
- if (!revs->topo_order)
- sort_in_topological_order(&revs->commits, revs->lifo);
if (!revs->prune)
return;
/* feed the list reversed */
yet_to_do = NULL;
- for (list = revs->commits; list; list = list->next)
- commit_list_insert(list->item, &yet_to_do);
+ for (list = revs->commits; list; list = next) {
+ commit = list->item;
+ next = list->next;
+ /*
+ * Do not free(list) here yet; the original list
+ * is used later in this function.
+ */
+ commit_list_insert(commit, &yet_to_do);
+ }
while (yet_to_do) {
list = yet_to_do;
yet_to_do = NULL;
tail = &yet_to_do;
while (list) {
- struct commit *commit = list->item;
- struct commit_list *next = list->next;
+ commit = list->item;
+ next = list->next;
free(list);
list = next;
tail = simplify_one(revs, commit, tail);
@@ -2043,9 +2124,10 @@ static void simplify_merges(struct rev_info *revs)
revs->commits = NULL;
tail = &revs->commits;
while (list) {
- struct commit *commit = list->item;
- struct commit_list *next = list->next;
struct merge_simplify_state *st;
+
+ commit = list->item;
+ next = list->next;
free(list);
list = next;
st = locate_simplify_state(revs, commit);
@@ -2091,10 +2173,11 @@ int prepare_revision_walk(struct rev_info *revs)
}
e++;
}
- commit_list_sort_by_date(&revs->commits);
if (!revs->leak_pending)
free(list);
+ if (revs->no_walk != REVISION_WALK_NO_WALK_UNSORTED)
+ commit_list_sort_by_date(&revs->commits);
if (revs->no_walk)
return 0;
if (revs->limited)
@@ -2156,12 +2239,106 @@ static int rewrite_parents(struct rev_info *revs, struct commit *commit)
return 0;
}
+static int commit_rewrite_person(struct strbuf *buf, const char *what, struct string_list *mailmap)
+{
+ char *person, *endp;
+ size_t len, namelen, maillen;
+ const char *name;
+ const char *mail;
+ struct ident_split ident;
+
+ person = strstr(buf->buf, what);
+ if (!person)
+ return 0;
+
+ person += strlen(what);
+ endp = strchr(person, '\n');
+ if (!endp)
+ return 0;
+
+ len = endp - person;
+
+ if (split_ident_line(&ident, person, len))
+ return 0;
+
+ mail = ident.mail_begin;
+ maillen = ident.mail_end - ident.mail_begin;
+ name = ident.name_begin;
+ namelen = ident.name_end - ident.name_begin;
+
+ if (map_user(mailmap, &mail, &maillen, &name, &namelen)) {
+ struct strbuf namemail = STRBUF_INIT;
+
+ strbuf_addf(&namemail, "%.*s <%.*s>",
+ (int)namelen, name, (int)maillen, mail);
+
+ strbuf_splice(buf, ident.name_begin - buf->buf,
+ ident.mail_end - ident.name_begin + 1,
+ namemail.buf, namemail.len);
+
+ strbuf_release(&namemail);
+
+ return 1;
+ }
+
+ return 0;
+}
+
static int commit_match(struct commit *commit, struct rev_info *opt)
{
+ int retval;
+ const char *encoding;
+ char *message;
+ struct strbuf buf = STRBUF_INIT;
+
if (!opt->grep_filter.pattern_list && !opt->grep_filter.header_list)
return 1;
- return grep_buffer(&opt->grep_filter,
- commit->buffer, strlen(commit->buffer));
+
+ /* Prepend "fake" headers as needed */
+ if (opt->grep_filter.use_reflog_filter) {
+ strbuf_addstr(&buf, "reflog ");
+ get_reflog_message(&buf, opt->reflog_info);
+ strbuf_addch(&buf, '\n');
+ }
+
+ /*
+ * We grep in the user's output encoding, under the assumption that it
+ * is the encoding they are most likely to write their grep pattern
+ * for. In addition, it means we will match the "notes" encoding below,
+ * so we will not end up with a buffer that has two different encodings
+ * in it.
+ */
+ encoding = get_log_output_encoding();
+ message = logmsg_reencode(commit, NULL, encoding);
+
+ /* Copy the commit to temporary if we are using "fake" headers */
+ if (buf.len)
+ strbuf_addstr(&buf, message);
+
+ if (opt->grep_filter.header_list && opt->mailmap) {
+ if (!buf.len)
+ strbuf_addstr(&buf, message);
+
+ commit_rewrite_person(&buf, "\nauthor ", opt->mailmap);
+ commit_rewrite_person(&buf, "\ncommitter ", opt->mailmap);
+ }
+
+ /* Append "fake" message parts as needed */
+ if (opt->show_notes) {
+ if (!buf.len)
+ strbuf_addstr(&buf, message);
+ format_display_notes(commit->object.sha1, &buf, encoding, 1);
+ }
+
+ /* Find either in the original commit message, or in the temporary */
+ if (buf.len)
+ retval = grep_buffer(&opt->grep_filter, buf.buf, buf.len);
+ else
+ retval = grep_buffer(&opt->grep_filter,
+ message, strlen(message));
+ strbuf_release(&buf);
+ logmsg_free(message, commit);
+ return retval;
}
static inline int want_ancestry(struct rev_info *revs)
@@ -2344,29 +2521,28 @@ static struct commit *get_revision_internal(struct rev_info *revs)
}
/*
- * Now pick up what they want to give us
+ * If our max_count counter has reached zero, then we are done. We
+ * don't simply return NULL because we still might need to show
+ * boundary commits. But we want to avoid calling get_revision_1, which
+ * might do a considerable amount of work finding the next commit only
+ * for us to throw it away.
+ *
+ * If it is non-zero, then either we don't have a max_count at all
+ * (-1), or it is still counting, in which case we decrement.
*/
- c = get_revision_1(revs);
- if (c) {
- while (0 < revs->skip_count) {
- revs->skip_count--;
- c = get_revision_1(revs);
- if (!c)
- break;
+ if (revs->max_count) {
+ c = get_revision_1(revs);
+ if (c) {
+ while (0 < revs->skip_count) {
+ revs->skip_count--;
+ c = get_revision_1(revs);
+ if (!c)
+ break;
+ }
}
- }
- /*
- * Check the max_count.
- */
- switch (revs->max_count) {
- case -1:
- break;
- case 0:
- c = NULL;
- break;
- default:
- revs->max_count--;
+ if (revs->max_count > 0)
+ revs->max_count--;
}
if (c)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-12 19:34:56 +0000