Merge branch 'mr/hpux' into maint
[gitweb.git] / builtin / commit.c
index 6c09857a602193857cf8907c1c1c2574053e29e1..d71e1e0c9c27c4d03cd02b4deaacec67af33917a 100644 (file)
@@ -45,9 +45,9 @@ static const char implicit_ident_advice[] =
 "    git config --global user.name \"Your Name\"\n"
 "    git config --global user.email you@example.com\n"
 "\n"
-"If the identity used for this commit is wrong, you can fix it with:\n"
+"After doing this, you may fix the identity used for this commit with:\n"
 "\n"
-"    git commit --amend --author='Your Name <you@example.com>'\n";
+"    git commit --amend --reset-author\n";
 
 static const char empty_amend_advice[] =
 "You asked to amend the most recent commit, but doing so would make\n"
@@ -70,7 +70,6 @@ static const char *logfile, *force_author;
 static const char *template_file;
 static char *edit_message, *use_message;
 static char *fixup_message, *squash_message;
-static char *author_name, *author_email, *author_date;
 static int all, edit_flag, also, interactive, only, amend, signoff;
 static int quiet, verbose, no_verify, allow_empty, dry_run, renew_authorship;
 static int no_post_rewrite, allow_empty_message;
@@ -119,14 +118,14 @@ static struct option builtin_commit_options[] = {
        OPT__VERBOSE(&verbose, "show diff in commit message template"),
 
        OPT_GROUP("Commit message options"),
-       OPT_FILENAME('F', "file", &logfile, "read log from file"),
-       OPT_STRING(0, "author", &force_author, "AUTHOR", "override author for commit"),
-       OPT_STRING(0, "date", &force_date, "DATE", "override date for commit"),
-       OPT_CALLBACK('m', "message", &message, "MESSAGE", "specify commit message", opt_parse_m),
-       OPT_STRING('c', "reedit-message", &edit_message, "COMMIT", "reuse and edit message from specified commit"),
-       OPT_STRING('C', "reuse-message", &use_message, "COMMIT", "reuse message from specified commit"),
-       OPT_STRING(0, "fixup", &fixup_message, "COMMIT", "use autosquash formatted message to fixup specified commit"),
-       OPT_STRING(0, "squash", &squash_message, "COMMIT", "use autosquash formatted message to squash specified commit"),
+       OPT_FILENAME('F', "file", &logfile, "read message from file"),
+       OPT_STRING(0, "author", &force_author, "author", "override author for commit"),
+       OPT_STRING(0, "date", &force_date, "date", "override date for commit"),
+       OPT_CALLBACK('m', "message", &message, "message", "commit message", opt_parse_m),
+       OPT_STRING('c', "reedit-message", &edit_message, "commit", "reuse and edit message from specified commit"),
+       OPT_STRING('C', "reuse-message", &use_message, "commit", "reuse message from specified commit"),
+       OPT_STRING(0, "fixup", &fixup_message, "commit", "use autosquash formatted message to fixup specified commit"),
+       OPT_STRING(0, "squash", &squash_message, "commit", "use autosquash formatted message to squash specified commit"),
        OPT_BOOLEAN(0, "reset-author", &renew_authorship, "the commit is authored by me now (used with -C-c/--amend)"),
        OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"),
        OPT_FILENAME('t', "template", &template_file, "use specified template file"),
@@ -146,12 +145,12 @@ static struct option builtin_commit_options[] = {
                    STATUS_FORMAT_SHORT),
        OPT_BOOLEAN(0, "branch", &status_show_branch, "show branch information"),
        OPT_SET_INT(0, "porcelain", &status_format,
-                   "show porcelain output format", STATUS_FORMAT_PORCELAIN),
+                   "machine-readable output", STATUS_FORMAT_PORCELAIN),
        OPT_BOOLEAN('z', "null", &null_termination,
                    "terminate entries with NUL"),
        OPT_BOOLEAN(0, "amend", &amend, "amend previous commit"),
        OPT_BOOLEAN(0, "no-post-rewrite", &no_post_rewrite, "bypass post-rewrite hook"),
-       { OPTION_STRING, 'u', "untracked-files", &untracked_files_arg, "mode", "show untracked files, optional modes: all, normal, no (Default: all)", PARSE_OPT_OPTARG, NULL, (intptr_t)"all" },
+       { OPTION_STRING, 'u', "untracked-files", &untracked_files_arg, "mode", "show untracked files, optional modes: all, normal, no. (Default: all)", PARSE_OPT_OPTARG, NULL, (intptr_t)"all" },
        /* end commit contents options */
 
        { OPTION_BOOLEAN, 0, "allow-empty", &allow_empty, NULL,
@@ -462,7 +461,7 @@ static int is_a_merge(const unsigned char *sha1)
 
 static const char sign_off_header[] = "Signed-off-by: ";
 
-static void determine_author_info(void)
+static void determine_author_info(struct strbuf *author_ident)
 {
        char *name, *email, *date;
 
@@ -506,10 +505,8 @@ static void determine_author_info(void)
 
        if (force_date)
                date = force_date;
-
-       author_name = name;
-       author_email = email;
-       author_date = date;
+       strbuf_addstr(author_ident, fmt_ident(name, email, date,
+                                             IDENT_ERROR_ON_NO_NAME));
 }
 
 static int ends_rfc2822_footer(struct strbuf *sb)
@@ -553,10 +550,21 @@ static int ends_rfc2822_footer(struct strbuf *sb)
        return 1;
 }
 
+static char *cut_ident_timestamp_part(char *string)
+{
+       char *ket = strrchr(string, '>');
+       if (!ket || ket[1] != ' ')
+               die("Malformed ident string: '%s'", string);
+       *++ket = '\0';
+       return ket;
+}
+
 static int prepare_to_commit(const char *index_file, const char *prefix,
-                            struct wt_status *s)
+                            struct wt_status *s,
+                            struct strbuf *author_ident)
 {
        struct stat statbuf;
+       struct strbuf committer_ident = STRBUF_INIT;
        int commitable, saved_color_setting;
        struct strbuf sb = STRBUF_INIT;
        char *buffer;
@@ -626,7 +634,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                if (strbuf_read_file(&sb, git_path("SQUASH_MSG"), 0) < 0)
                        die_errno("could not read SQUASH_MSG");
                hook_arg1 = "squash";
-       } else if (template_file && !stat(template_file, &statbuf)) {
+       } else if (template_file) {
                if (strbuf_read_file(&sb, template_file, 0) < 0)
                        die_errno("could not read '%s'", template_file);
                hook_arg1 = "template";
@@ -679,14 +687,13 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
 
        strbuf_release(&sb);
 
-       determine_author_info();
+       /* This checks and barfs if author is badly specified */
+       determine_author_info(author_ident);
 
        /* This checks if committer ident is explicitly given */
-       git_committer_info(0);
+       strbuf_addstr(&committer_ident, git_committer_info(0));
        if (use_editor && include_status) {
-               char *author_ident;
-               const char *committer_ident;
-
+               char *ai_tmp, *ci_tmp;
                if (in_merge)
                        fprintf(fp,
                                "#\n"
@@ -714,23 +721,21 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                if (only_include_assumed)
                        fprintf(fp, "# %s\n", only_include_assumed);
 
-               author_ident = xstrdup(fmt_name(author_name, author_email));
-               committer_ident = fmt_name(getenv("GIT_COMMITTER_NAME"),
-                                          getenv("GIT_COMMITTER_EMAIL"));
-               if (strcmp(author_ident, committer_ident))
+               ai_tmp = cut_ident_timestamp_part(author_ident->buf);
+               ci_tmp = cut_ident_timestamp_part(committer_ident.buf);
+               if (strcmp(author_ident->buf, committer_ident.buf))
                        fprintf(fp,
                                "%s"
                                "# Author:    %s\n",
                                ident_shown++ ? "" : "#\n",
-                               author_ident);
-               free(author_ident);
+                               author_ident->buf);
 
                if (!user_ident_sufficiently_given())
                        fprintf(fp,
                                "%s"
                                "# Committer: %s\n",
                                ident_shown++ ? "" : "#\n",
-                               committer_ident);
+                               committer_ident.buf);
 
                if (ident_shown)
                        fprintf(fp, "#\n");
@@ -739,6 +744,9 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                s->use_color = 0;
                commitable = run_status(fp, index_file, prefix, 1, s);
                s->use_color = saved_color_setting;
+
+               *ai_tmp = ' ';
+               *ci_tmp = ' ';
        } else {
                unsigned char sha1[20];
                const char *parent = "HEAD";
@@ -754,6 +762,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                else
                        commitable = index_differs_from(parent, 0);
        }
+       strbuf_release(&committer_ident);
 
        fclose(fp);
 
@@ -1083,7 +1092,7 @@ int cmd_status(int argc, const char **argv, const char *prefix)
                OPT_BOOLEAN('b', "branch", &status_show_branch,
                            "show branch information"),
                OPT_SET_INT(0, "porcelain", &status_format,
-                           "show porcelain output format",
+                           "machine-readable output",
                            STATUS_FORMAT_PORCELAIN),
                OPT_BOOLEAN('z', "null", &null_termination,
                            "terminate entries with NUL"),
@@ -1278,6 +1287,7 @@ static int run_rewrite_hook(const unsigned char *oldsha1,
 int cmd_commit(int argc, const char **argv, const char *prefix)
 {
        struct strbuf sb = STRBUF_INIT;
+       struct strbuf author_ident = STRBUF_INIT;
        const char *index_file, *reflog_msg;
        char *nl, *p;
        unsigned char commit_sha1[20];
@@ -1308,7 +1318,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 
        /* Set up everything for writing the commit object.  This includes
           running hooks, writing the trees, and interacting with the user.  */
-       if (!prepare_to_commit(index_file, prefix, &s)) {
+       if (!prepare_to_commit(index_file, prefix, &s, &author_ident)) {
                rollback_index_files();
                return 1;
        }
@@ -1387,11 +1397,11 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
        }
 
        if (commit_tree(sb.buf, active_cache_tree->sha1, parents, commit_sha1,
-                       fmt_ident(author_name, author_email, author_date,
-                               IDENT_ERROR_ON_NO_NAME))) {
+                       author_ident.buf)) {
                rollback_index_files();
                die("failed to write commit object");
        }
+       strbuf_release(&author_ident);
 
        ref_lock = lock_any_ref_for_update("HEAD",
                                           initial_commit ? NULL : head_sha1,