Show usage string for 'git get-tar-commit-id -h'
[gitweb.git] / log-tree.c
index 84a74e544b7bcc20c887f321e389ecf3cfb560d6..0fdf159f8098532e3ed77251d36e163b695310ba 100644 (file)
@@ -6,6 +6,7 @@
 #include "log-tree.h"
 #include "reflog-walk.h"
 #include "refs.h"
+#include "string-list.h"
 
 struct decoration name_decoration = { "object names" };
 
@@ -24,6 +25,8 @@ static int add_ref_decoration(const char *refname, const unsigned char *sha1, in
        struct object *obj = parse_object(sha1);
        if (!obj)
                return 0;
+       if (!cb_data || *(int *)cb_data == DECORATE_SHORT_REFS)
+               refname = prettify_refname(refname);
        add_name_decoration("", refname, obj);
        while (obj->type == OBJ_TAG) {
                obj = ((struct tag *)obj)->tagged;
@@ -34,12 +37,13 @@ static int add_ref_decoration(const char *refname, const unsigned char *sha1, in
        return 0;
 }
 
-void load_ref_decorations(void)
+void load_ref_decorations(int flags)
 {
        static int loaded;
        if (!loaded) {
                loaded = 1;
-               for_each_ref(add_ref_decoration, NULL);
+               for_each_ref(add_ref_decoration, &flags);
+               head_ref(add_ref_decoration, &flags);
        }
 }
 
@@ -79,18 +83,18 @@ void show_decorations(struct rev_info *opt, struct commit *commit)
  */
 static int detect_any_signoff(char *letter, int size)
 {
-       char ch, *cp;
+       char *cp;
        int seen_colon = 0;
        int seen_at = 0;
        int seen_name = 0;
        int seen_head = 0;
 
        cp = letter + size;
-       while (letter <= --cp && (ch = *cp) == '\n')
+       while (letter <= --cp && *cp == '\n')
                continue;
 
        while (letter <= cp) {
-               ch = *cp--;
+               char ch = *cp--;
                if (ch == '\n')
                        break;
 
@@ -166,25 +170,33 @@ static unsigned int digits_in_number(unsigned int number)
        return result;
 }
 
-static int has_non_ascii(const char *s)
+void get_patch_filename(struct commit *commit, int nr, const char *suffix,
+                       struct strbuf *buf)
 {
-       int ch;
-       if (!s)
-               return 0;
-       while ((ch = *s++) != '\0') {
-               if (non_ascii(ch))
-                       return 1;
+       int suffix_len = strlen(suffix) + 1;
+       int start_len = buf->len;
+
+       strbuf_addf(buf, commit ? "%04d-" : "%d", nr);
+       if (commit) {
+               int max_len = start_len + FORMAT_PATCH_NAME_MAX - suffix_len;
+               struct pretty_print_context ctx = {0};
+               ctx.date_mode = DATE_NORMAL;
+
+               format_commit_message(commit, "%f", buf, &ctx);
+               if (max_len < buf->len)
+                       strbuf_setlen(buf, max_len);
+               strbuf_addstr(buf, suffix);
        }
-       return 0;
 }
 
-void log_write_email_headers(struct rev_info *opt, const char *name,
+void log_write_email_headers(struct rev_info *opt, struct commit *commit,
                             const char **subject_p,
                             const char **extra_headers_p,
                             int *need_8bit_cte_p)
 {
        const char *subject = NULL;
        const char *extra_headers = opt->extra_headers;
+       const char *name = sha1_to_hex(commit->object.sha1);
 
        *need_8bit_cte_p = 0; /* unknown */
        if (opt->total > 0) {
@@ -211,14 +223,19 @@ void log_write_email_headers(struct rev_info *opt, const char *name,
                printf("Message-Id: <%s>\n", opt->message_id);
                graph_show_oneline(opt->graph);
        }
-       if (opt->ref_message_id) {
-               printf("In-Reply-To: <%s>\nReferences: <%s>\n",
-                      opt->ref_message_id, opt->ref_message_id);
+       if (opt->ref_message_ids && opt->ref_message_ids->nr > 0) {
+               int i, n;
+               n = opt->ref_message_ids->nr;
+               printf("In-Reply-To: <%s>\n", opt->ref_message_ids->items[n-1].string);
+               for (i = 0; i < n; i++)
+                       printf("%s<%s>\n", (i > 0 ? "\t" : "References: "),
+                              opt->ref_message_ids->items[i].string);
                graph_show_oneline(opt->graph);
        }
        if (opt->mime_boundary) {
                static char subject_buffer[1024];
                static char buffer[1024];
+               struct strbuf filename =  STRBUF_INIT;
                *need_8bit_cte_p = -1; /* NEVER */
                snprintf(subject_buffer, sizeof(subject_buffer) - 1,
                         "%s"
@@ -237,18 +254,21 @@ void log_write_email_headers(struct rev_info *opt, const char *name,
                         mime_boundary_leader, opt->mime_boundary);
                extra_headers = subject_buffer;
 
+               get_patch_filename(opt->numbered_files ? NULL : commit, opt->nr,
+                                   opt->patch_suffix, &filename);
                snprintf(buffer, sizeof(buffer) - 1,
                         "\n--%s%s\n"
                         "Content-Type: text/x-patch;"
-                        " name=\"%s.diff\"\n"
+                        " name=\"%s\"\n"
                         "Content-Transfer-Encoding: 8bit\n"
                         "Content-Disposition: %s;"
-                        " filename=\"%s.diff\"\n\n",
+                        " filename=\"%s\"\n\n",
                         mime_boundary_leader, opt->mime_boundary,
-                        name,
+                        filename.buf,
                         opt->no_inline ? "attachment" : "inline",
-                        name);
+                        filename.buf);
                opt->diffopt.stat_sep = buffer;
+               strbuf_release(&filename);
        }
        *subject_p = subject;
        *extra_headers_p = extra_headers;
@@ -259,10 +279,9 @@ void show_log(struct rev_info *opt)
        struct strbuf msgbuf = STRBUF_INIT;
        struct log_info *log = opt->loginfo;
        struct commit *commit = log->commit, *parent = log->parent;
-       int abbrev = opt->diffopt.abbrev;
        int abbrev_commit = opt->abbrev_commit ? opt->abbrev : 40;
-       const char *subject = NULL, *extra_headers = opt->extra_headers;
-       int need_8bit_cte = 0;
+       const char *extra_headers = opt->extra_headers;
+       struct pretty_print_context ctx = {0};
 
        opt->loginfo = NULL;
        if (!opt->verbose_header) {
@@ -293,7 +312,8 @@ void show_log(struct rev_info *opt)
        }
 
        /*
-        * If use_terminator is set, add a newline at the end of the entry.
+        * If use_terminator is set, we already handled any record termination
+        * at the end of the last record.
         * Otherwise, add a diffopt.line_termination character before all
         * entries but the first.  (IOW, as a separator between entries)
         */
@@ -328,9 +348,8 @@ void show_log(struct rev_info *opt)
         */
 
        if (opt->commit_format == CMIT_FMT_EMAIL) {
-               log_write_email_headers(opt, sha1_to_hex(commit->object.sha1),
-                                       &subject, &extra_headers,
-                                       &need_8bit_cte);
+               log_write_email_headers(opt, commit, &ctx.subject, &extra_headers,
+                                       &ctx.need_8bit_cte);
        } else if (opt->commit_format != CMIT_FMT_USERFORMAT) {
                fputs(diff_get_color_opt(&opt->diffopt, DIFF_COMMIT), stdout);
                if (opt->commit_format != CMIT_FMT_ONELINE)
@@ -373,7 +392,9 @@ void show_log(struct rev_info *opt)
                         */
                        show_reflog_message(opt->reflog_info,
                                    opt->commit_format == CMIT_FMT_ONELINE,
-                                   opt->date_mode);
+                                   opt->date_mode_explicit ?
+                                       opt->date_mode :
+                                       DATE_NORMAL);
                        if (opt->commit_format == CMIT_FMT_ONELINE)
                                return;
                }
@@ -385,11 +406,13 @@ void show_log(struct rev_info *opt)
        /*
         * And then the pretty-printed message itself
         */
-       if (need_8bit_cte >= 0)
-               need_8bit_cte = has_non_ascii(opt->add_signoff);
-       pretty_print_commit(opt->commit_format, commit, &msgbuf,
-                           abbrev, subject, extra_headers, opt->date_mode,
-                           need_8bit_cte);
+       if (ctx.need_8bit_cte >= 0)
+               ctx.need_8bit_cte = has_non_ascii(opt->add_signoff);
+       ctx.date_mode = opt->date_mode;
+       ctx.abbrev = opt->diffopt.abbrev;
+       ctx.after_subject = extra_headers;
+       ctx.reflog_info = opt->reflog_info;
+       pretty_print_commit(opt->commit_format, commit, &msgbuf, &ctx);
 
        if (opt->add_signoff)
                append_signoff(&msgbuf, opt->add_signoff);