Merge tag 'v2.8.6' into maint-2.9
[gitweb.git] / builtin / shortlog.c
index 35ebd17f80d7784f17023a4f76ac71e1317a94d0..bfc082e58467953c1e4c96fd27a884abea4f5127 100644 (file)
@@ -14,7 +14,26 @@ static char const * const shortlog_usage[] = {
        NULL
 };
 
-static int compare_by_number(const void *a1, const void *a2)
+/*
+ * The util field of our string_list_items will contain one of two things:
+ *
+ *   - if --summary is not in use, it will point to a string list of the
+ *     oneline subjects assigned to this author
+ *
+ *   - if --summary is in use, we don't need that list; we only need to know
+ *     its size. So we abuse the pointer slot to store our integer counter.
+ *
+ *  This macro accesses the latter.
+ */
+#define UTIL_TO_INT(x) ((intptr_t)(x)->util)
+
+static int compare_by_counter(const void *a1, const void *a2)
+{
+       const struct string_list_item *i1 = a1, *i2 = a2;
+       return UTIL_TO_INT(i2) - UTIL_TO_INT(i1);
+}
+
+static int compare_by_list(const void *a1, const void *a2)
 {
        const struct string_list_item *i1 = a1, *i2 = a2;
        const struct string_list *l1 = i1->util, *l2 = i2->util;
@@ -31,13 +50,9 @@ static void insert_one_record(struct shortlog *log,
                              const char *author,
                              const char *oneline)
 {
-       const char *dot3 = log->common_repo_prefix;
-       char *buffer, *p;
        struct string_list_item *item;
        const char *mailbuf, *namebuf;
        size_t namelen, maillen;
-       const char *eol;
-       struct strbuf subject = STRBUF_INIT;
        struct strbuf namemailbuf = STRBUF_INIT;
        struct ident_split ident;
 
@@ -56,98 +71,95 @@ static void insert_one_record(struct shortlog *log,
                strbuf_addf(&namemailbuf, " <%.*s>", (int)maillen, mailbuf);
 
        item = string_list_insert(&log->list, namemailbuf.buf);
-       if (item->util == NULL)
-               item->util = xcalloc(1, sizeof(struct string_list));
-
-       /* Skip any leading whitespace, including any blank lines. */
-       while (*oneline && isspace(*oneline))
-               oneline++;
-       eol = strchr(oneline, '\n');
-       if (!eol)
-               eol = oneline + strlen(oneline);
-       if (starts_with(oneline, "[PATCH")) {
-               char *eob = strchr(oneline, ']');
-               if (eob && (!eol || eob < eol))
-                       oneline = eob + 1;
-       }
-       while (*oneline && isspace(*oneline) && *oneline != '\n')
-               oneline++;
-       format_subject(&subject, oneline, " ");
-       buffer = strbuf_detach(&subject, NULL);
-
-       if (dot3) {
-               int dot3len = strlen(dot3);
-               if (dot3len > 5) {
-                       while ((p = strstr(buffer, dot3)) != NULL) {
-                               int taillen = strlen(p) - dot3len;
-                               memcpy(p, "/.../", 5);
-                               memmove(p + 5, p + dot3len, taillen + 1);
+
+       if (log->summary)
+               item->util = (void *)(UTIL_TO_INT(item) + 1);
+       else {
+               const char *dot3 = log->common_repo_prefix;
+               char *buffer, *p;
+               struct strbuf subject = STRBUF_INIT;
+               const char *eol;
+
+               /* Skip any leading whitespace, including any blank lines. */
+               while (*oneline && isspace(*oneline))
+                       oneline++;
+               eol = strchr(oneline, '\n');
+               if (!eol)
+                       eol = oneline + strlen(oneline);
+               if (starts_with(oneline, "[PATCH")) {
+                       char *eob = strchr(oneline, ']');
+                       if (eob && (!eol || eob < eol))
+                               oneline = eob + 1;
+               }
+               while (*oneline && isspace(*oneline) && *oneline != '\n')
+                       oneline++;
+               format_subject(&subject, oneline, " ");
+               buffer = strbuf_detach(&subject, NULL);
+
+               if (dot3) {
+                       int dot3len = strlen(dot3);
+                       if (dot3len > 5) {
+                               while ((p = strstr(buffer, dot3)) != NULL) {
+                                       int taillen = strlen(p) - dot3len;
+                                       memcpy(p, "/.../", 5);
+                                       memmove(p + 5, p + dot3len, taillen + 1);
+                               }
                        }
                }
-       }
 
-       string_list_append(item->util, buffer);
+               if (item->util == NULL)
+                       item->util = xcalloc(1, sizeof(struct string_list));
+               string_list_append(item->util, buffer);
+       }
 }
 
 static void read_from_stdin(struct shortlog *log)
 {
-       char author[1024], oneline[1024];
+       struct strbuf author = STRBUF_INIT;
+       struct strbuf oneline = STRBUF_INIT;
 
-       while (fgets(author, sizeof(author), stdin) != NULL) {
-               if (!(author[0] == 'A' || author[0] == 'a') ||
-                   !starts_with(author + 1, "uthor: "))
+       while (strbuf_getline_lf(&author, stdin) != EOF) {
+               const char *v;
+               if (!skip_prefix(author.buf, "Author: ", &v) &&
+                   !skip_prefix(author.buf, "author ", &v))
                        continue;
-               while (fgets(oneline, sizeof(oneline), stdin) &&
-                      oneline[0] != '\n')
+               while (strbuf_getline_lf(&oneline, stdin) != EOF &&
+                      oneline.len)
                        ; /* discard headers */
-               while (fgets(oneline, sizeof(oneline), stdin) &&
-                      oneline[0] == '\n')
+               while (strbuf_getline_lf(&oneline, stdin) != EOF &&
+                      !oneline.len)
                        ; /* discard blanks */
-               insert_one_record(log, author + 8, oneline);
+               insert_one_record(log, v, oneline.buf);
        }
+       strbuf_release(&author);
+       strbuf_release(&oneline);
 }
 
 void shortlog_add_commit(struct shortlog *log, struct commit *commit)
 {
-       const char *author = NULL, *buffer;
-       struct strbuf buf = STRBUF_INIT;
-       struct strbuf ufbuf = STRBUF_INIT;
-
-       pp_commit_easy(CMIT_FMT_RAW, commit, &buf);
-       buffer = buf.buf;
-       while (*buffer && *buffer != '\n') {
-               const char *eol = strchr(buffer, '\n');
-
-               if (eol == NULL)
-                       eol = buffer + strlen(buffer);
+       struct strbuf author = STRBUF_INIT;
+       struct strbuf oneline = STRBUF_INIT;
+       struct pretty_print_context ctx = {0};
+
+       ctx.fmt = CMIT_FMT_USERFORMAT;
+       ctx.abbrev = log->abbrev;
+       ctx.subject = "";
+       ctx.after_subject = "";
+       ctx.date_mode.type = DATE_NORMAL;
+       ctx.output_encoding = get_log_output_encoding();
+
+       format_commit_message(commit, "%an <%ae>", &author, &ctx);
+       if (!log->summary) {
+               if (log->user_format)
+                       pretty_print_commit(&ctx, commit, &oneline);
                else
-                       eol++;
-
-               if (starts_with(buffer, "author "))
-                       author = buffer + 7;
-               buffer = eol;
-       }
-       if (!author) {
-               warning(_("Missing author: %s"),
-                   oid_to_hex(&commit->object.oid));
-               return;
+                       format_commit_message(commit, "%s", &oneline, &ctx);
        }
-       if (log->user_format) {
-               struct pretty_print_context ctx = {0};
-               ctx.fmt = CMIT_FMT_USERFORMAT;
-               ctx.abbrev = log->abbrev;
-               ctx.subject = "";
-               ctx.after_subject = "";
-               ctx.date_mode.type = DATE_NORMAL;
-               ctx.output_encoding = get_log_output_encoding();
-               pretty_print_commit(&ctx, commit, &ufbuf);
-               buffer = ufbuf.buf;
-       } else if (*buffer) {
-               buffer++;
-       }
-       insert_one_record(log, author, !*buffer ? "<none>" : buffer);
-       strbuf_release(&ufbuf);
-       strbuf_release(&buf);
+
+       insert_one_record(log, author.buf, oneline.len ? oneline.buf : "<none>");
+
+       strbuf_release(&author);
+       strbuf_release(&oneline);
 }
 
 static void get_from_rev(struct rev_info *rev, struct shortlog *log)
@@ -294,14 +306,14 @@ void shortlog_output(struct shortlog *log)
 
        if (log->sort_by_number)
                qsort(log->list.items, log->list.nr, sizeof(struct string_list_item),
-                       compare_by_number);
+                     log->summary ? compare_by_counter : compare_by_list);
        for (i = 0; i < log->list.nr; i++) {
-               struct string_list *onelines = log->list.items[i].util;
-
+               const struct string_list_item *item = &log->list.items[i];
                if (log->summary) {
-                       printf("%6d\t%s\n", onelines->nr, log->list.items[i].string);
+                       printf("%6d\t%s\n", (int)UTIL_TO_INT(item), item->string);
                } else {
-                       printf("%s (%d):\n", log->list.items[i].string, onelines->nr);
+                       struct string_list *onelines = item->util;
+                       printf("%s (%d):\n", item->string, onelines->nr);
                        for (j = onelines->nr - 1; j >= 0; j--) {
                                const char *msg = onelines->items[j].string;
 
@@ -314,11 +326,11 @@ void shortlog_output(struct shortlog *log)
                                        printf("      %s\n", msg);
                        }
                        putchar('\n');
+                       onelines->strdup_strings = 1;
+                       string_list_clear(onelines, 0);
+                       free(onelines);
                }
 
-               onelines->strdup_strings = 1;
-               string_list_clear(onelines, 0);
-               free(onelines);
                log->list.items[i].util = NULL;
        }