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Diffstat (limited to 'revision.c')
-rw-r--r--revision.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/revision.c b/revision.c
index 6a2539b623..93f25130a0 100644
--- a/revision.c
+++ b/revision.c
@@ -6,6 +6,8 @@
#include "diff.h"
#include "refs.h"
#include "revision.h"
+#include <regex.h>
+#include "grep.h"
static char *path_name(struct name_path *path, const char *name)
{
@@ -672,6 +674,42 @@ int handle_revision_arg(const char *arg, struct rev_info *revs,
return 0;
}
+static void add_grep(struct rev_info *revs, const char *ptn, enum grep_pat_token what)
+{
+ if (!revs->grep_filter) {
+ struct grep_opt *opt = xcalloc(1, sizeof(*opt));
+ opt->status_only = 1;
+ opt->pattern_tail = &(opt->pattern_list);
+ opt->regflags = REG_NEWLINE;
+ revs->grep_filter = opt;
+ }
+ append_grep_pattern(revs->grep_filter, ptn,
+ "command line", 0, what);
+}
+
+static void add_header_grep(struct rev_info *revs, const char *field, const char *pattern)
+{
+ char *pat;
+ const char *prefix;
+ int patlen, fldlen;
+
+ fldlen = strlen(field);
+ patlen = strlen(pattern);
+ pat = xmalloc(patlen + fldlen + 10);
+ prefix = ".*";
+ if (*pattern == '^') {
+ prefix = "";
+ pattern++;
+ }
+ sprintf(pat, "^%s %s%s", field, prefix, pattern);
+ add_grep(revs, pat, GREP_PATTERN_HEAD);
+}
+
+static void add_message_grep(struct rev_info *revs, const char *pattern)
+{
+ add_grep(revs, pattern, GREP_PATTERN_BODY);
+}
+
static void add_ignore_packed(struct rev_info *revs, const char *name)
{
int num = ++revs->num_ignore_packed;
@@ -913,6 +951,23 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
revs->relative_date = 1;
continue;
}
+
+ /*
+ * Grepping the commit log
+ */
+ if (!strncmp(arg, "--author=", 9)) {
+ add_header_grep(revs, "author", arg+9);
+ continue;
+ }
+ if (!strncmp(arg, "--committer=", 12)) {
+ add_header_grep(revs, "committer", arg+12);
+ continue;
+ }
+ if (!strncmp(arg, "--grep=", 7)) {
+ add_message_grep(revs, arg+7);
+ continue;
+ }
+
opts = diff_opt_parse(&revs->diffopt, argv+i, argc-i);
if (opts > 0) {
revs->diff = 1;
@@ -973,6 +1028,9 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
if (diff_setup_done(&revs->diffopt) < 0)
die("diff_setup_done failed");
+ if (revs->grep_filter)
+ compile_grep_patterns(revs->grep_filter);
+
return left;
}
@@ -1045,6 +1103,15 @@ static void mark_boundary_to_show(struct commit *commit)
}
}
+static int commit_match(struct commit *commit, struct rev_info *opt)
+{
+ if (!opt->grep_filter)
+ return 1;
+ return grep_buffer(opt->grep_filter,
+ NULL, /* we say nothing, not even filename */
+ commit->buffer, strlen(commit->buffer));
+}
+
struct commit *get_revision(struct rev_info *revs)
{
struct commit_list *list = revs->commits;
@@ -1105,6 +1172,8 @@ struct commit *get_revision(struct rev_info *revs)
if (revs->no_merges &&
commit->parents && commit->parents->next)
continue;
+ if (!commit_match(commit, revs))
+ continue;
if (revs->prune_fn && revs->dense) {
/* Commit without changes? */
if (!(commit->object.flags & TREECHANGE)) {