revision --simplify-merges: use decoration instead of commit->util field
[gitweb.git] / builtin-commit.c
index 90200ed643bcf21f28a66396f0d15db920a5d4c8..b783e6eb46d2603d61d3260420c5dff48913d182 100644 (file)
 #include "strbuf.h"
 #include "utf8.h"
 #include "parse-options.h"
-#include "path-list.h"
+#include "string-list.h"
+#include "rerere.h"
 #include "unpack-trees.h"
 
 static const char * const builtin_commit_usage[] = {
-       "git-commit [options] [--] <filepattern>...",
+       "git commit [options] [--] <filepattern>...",
        NULL
 };
 
 static const char * const builtin_status_usage[] = {
-       "git-status [options] [--] <filepattern>...",
+       "git status [options] [--] <filepattern>...",
        NULL
 };
 
@@ -45,11 +46,13 @@ static enum {
        COMMIT_PARTIAL,
 } commit_style;
 
-static char *logfile, *force_author, *template_file;
+static char *logfile, *force_author;
+static const char *template_file;
 static char *edit_message, *use_message;
 static char *author_name, *author_email, *author_date;
 static int all, edit_flag, also, interactive, only, amend, signoff;
-static int quiet, verbose, untracked_files, no_verify, allow_empty;
+static int quiet, verbose, no_verify, allow_empty;
+static char *untracked_files_arg;
 /*
  * The default commit message cleanup mode will remove the lines
  * beginning with # (shell comments) and leading and trailing
@@ -65,8 +68,8 @@ static enum {
 static char *cleanup_arg;
 
 static int use_editor = 1, initial_commit, in_merge;
-const char *only_include_assumed;
-struct strbuf message;
+static const char *only_include_assumed;
+static struct strbuf message;
 
 static int opt_parse_m(const struct option *opt, const char *arg, int unset)
 {
@@ -75,8 +78,7 @@ static int opt_parse_m(const struct option *opt, const char *arg, int unset)
                strbuf_setlen(buf, 0);
        else {
                strbuf_addstr(buf, arg);
-               strbuf_addch(buf, '\n');
-               strbuf_addch(buf, '\n');
+               strbuf_addstr(buf, "\n\n");
        }
        return 0;
 }
@@ -102,7 +104,7 @@ static struct option builtin_commit_options[] = {
        OPT_BOOLEAN('o', "only", &only, "commit only specified files"),
        OPT_BOOLEAN('n', "no-verify", &no_verify, "bypass pre-commit hook"),
        OPT_BOOLEAN(0, "amend", &amend, "amend previous commit"),
-       OPT_BOOLEAN('u', "untracked-files", &untracked_files, "show all untracked files"),
+       { 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" },
        OPT_BOOLEAN(0, "allow-empty", &allow_empty, "ok to record an empty change"),
        OPT_STRING(0, "cleanup", &cleanup_arg, "default", "how to strip spaces and #comments from message"),
 
@@ -147,7 +149,7 @@ static int commit_index_files(void)
  * Take a union of paths in the index and the named tree (typically, "HEAD"),
  * and return the paths that match the given pattern in list.
  */
-static int list_paths(struct path_list *list, const char *with_tree,
+static int list_paths(struct string_list *list, const char *with_tree,
                      const char *prefix, const char **pattern)
 {
        int i;
@@ -166,24 +168,24 @@ static int list_paths(struct path_list *list, const char *with_tree,
                        continue;
                if (!pathspec_match(pattern, m, ce->name, 0))
                        continue;
-               path_list_insert(ce->name, list);
+               string_list_insert(ce->name, list);
        }
 
        return report_path_error(m, pattern, prefix ? strlen(prefix) : 0);
 }
 
-static void add_remove_files(struct path_list *list)
+static void add_remove_files(struct string_list *list)
 {
        int i;
        for (i = 0; i < list->nr; i++) {
                struct stat st;
-               struct path_list_item *p = &(list->items[i]);
+               struct string_list_item *p = &(list->items[i]);
 
-               if (!lstat(p->path, &st)) {
-                       if (add_to_cache(p->path, &st, 0))
+               if (!lstat(p->string, &st)) {
+                       if (add_to_cache(p->string, &st, 0))
                                die("updating files failed");
                } else
-                       remove_file_from_cache(p->path);
+                       remove_file_from_cache(p->string);
        }
 }
 
@@ -218,7 +220,7 @@ static void create_base_index(void)
 static char *prepare_index(int argc, const char **argv, const char *prefix)
 {
        int fd;
-       struct path_list partial;
+       struct string_list partial;
        const char **pathspec = NULL;
 
        if (interactive) {
@@ -302,7 +304,7 @@ static char *prepare_index(int argc, const char **argv, const char *prefix)
                die("cannot do a partial commit during a merge.");
 
        memset(&partial, 0, sizeof(partial));
-       partial.strdup_paths = 1;
+       partial.strdup_strings = 1;
        if (list_paths(&partial, initial_commit ? NULL : "HEAD", prefix, pathspec))
                exit(1);
 
@@ -347,7 +349,7 @@ static int run_status(FILE *fp, const char *index_file, const char *prefix, int
                s.reference = "HEAD^1";
        }
        s.verbose = verbose;
-       s.untracked = untracked_files;
+       s.untracked = (show_untracked_files == SHOW_ALL_UNTRACKED_FILES);
        s.index_file = index_file;
        s.fp = fp;
        s.nowarn = nowarn;
@@ -502,7 +504,8 @@ static int prepare_to_commit(const char *index_file, const char *prefix)
 
        fp = fopen(git_path(commit_editmsg), "w");
        if (fp == NULL)
-               die("could not open %s", git_path(commit_editmsg));
+               die("could not open %s: %s",
+                   git_path(commit_editmsg), strerror(errno));
 
        if (cleanup_mode != CLEANUP_NONE)
                stripspace(&sb, 0);
@@ -551,13 +554,18 @@ static int prepare_to_commit(const char *index_file, const char *prefix)
 
                fprintf(fp,
                        "\n"
-                       "# Please enter the commit message for your changes.\n"
-                       "# (Comment lines starting with '#' will ");
+                       "# Please enter the commit message for your changes.");
                if (cleanup_mode == CLEANUP_ALL)
-                       fprintf(fp, "not be included)\n");
+                       fprintf(fp,
+                               " Lines starting\n"
+                               "# with '#' will be ignored, and an empty"
+                               " message aborts the commit.\n");
                else /* CLEANUP_SPACE, that is. */
-                       fprintf(fp, "be kept.\n"
-                               "# You can remove them yourself if you want to)\n");
+                       fprintf(fp,
+                               " Lines starting\n"
+                               "# with '#' will be kept; you may remove them"
+                               " yourself if you want to.\n"
+                               "# An empty message aborts the commit.\n");
                if (only_include_assumed)
                        fprintf(fp, "# %s\n", only_include_assumed);
 
@@ -643,7 +651,11 @@ static int prepare_to_commit(const char *index_file, const char *prefix)
                char index[PATH_MAX];
                const char *env[2] = { index, NULL };
                snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file);
-               launch_editor(git_path(commit_editmsg), NULL, env);
+               if (launch_editor(git_path(commit_editmsg), NULL, env)) {
+                       fprintf(stderr,
+                       "Please supply the message using either -m or -F option.\n");
+                       exit(1);
+               }
        }
 
        if (!no_verify &&
@@ -795,6 +807,17 @@ static int parse_and_validate_options(int argc, const char *argv[],
        else
                die("Invalid cleanup mode %s", cleanup_arg);
 
+       if (!untracked_files_arg)
+               ; /* default already initialized */
+       else if (!strcmp(untracked_files_arg, "no"))
+               show_untracked_files = SHOW_NO_UNTRACKED_FILES;
+       else if (!strcmp(untracked_files_arg, "normal"))
+               show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
+       else if (!strcmp(untracked_files_arg, "all"))
+               show_untracked_files = SHOW_ALL_UNTRACKED_FILES;
+       else
+               die("Invalid untracked files mode '%s'", untracked_files_arg);
+
        if (all && argc > 0)
                die("Paths with -a does not make sense.");
        else if (interactive && argc > 0)
@@ -862,14 +885,10 @@ static void print_summary(const char *prefix, const unsigned char *sha1)
        }
 }
 
-int git_commit_config(const char *k, const char *v, void *cb)
+static int git_commit_config(const char *k, const char *v, void *cb)
 {
-       if (!strcmp(k, "commit.template")) {
-               if (!v)
-                       return config_error_nonbool(v);
-               template_file = xstrdup(v);
-               return 0;
-       }
+       if (!strcmp(k, "commit.template"))
+               return git_config_string(&template_file, k, v);
 
        return git_status_config(k, v, cb);
 }
@@ -989,7 +1008,8 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
                stripspace(&sb, cleanup_mode == CLEANUP_ALL);
        if (sb.len < header_len || message_is_empty(&sb, header_len)) {
                rollback_index_files();
-               die("no commit message?  aborting commit.");
+               fprintf(stderr, "Aborting commit due to empty commit message.\n");
+               exit(1);
        }
        strbuf_addch(&sb, '\0');
        if (is_encoding_utf8(git_commit_encoding) && !is_utf8(sb.buf))