Imported Upstream version 2.13.3
[platform/upstream/git.git] / help.c
diff --git a/help.c b/help.c
index 7af65e2..9d2811e 100644 (file)
--- a/help.c
+++ b/help.c
@@ -1,6 +1,7 @@
 #include "cache.h"
 #include "builtin.h"
 #include "exec_cmd.h"
+#include "run-command.h"
 #include "levenshtein.h"
 #include "help.h"
 #include "common-cmds.h"
 
 void add_cmdname(struct cmdnames *cmds, const char *name, int len)
 {
-       struct cmdname *ent = xmalloc(sizeof(*ent) + len + 1);
-
+       struct cmdname *ent;
+       FLEX_ALLOC_MEM(ent, name, name, len);
        ent->len = len;
-       memcpy(ent->name, name, len);
-       ent->name[len] = 0;
 
        ALLOC_GROW(cmds->names, cmds->cnt + 1, cmds->alloc);
        cmds->names[cmds->cnt++] = ent;
@@ -98,33 +97,6 @@ static void pretty_print_cmdnames(struct cmdnames *cmds, unsigned int colopts)
        string_list_clear(&list, 0);
 }
 
-static int is_executable(const char *name)
-{
-       struct stat st;
-
-       if (stat(name, &st) || /* stat, not lstat */
-           !S_ISREG(st.st_mode))
-               return 0;
-
-#if defined(GIT_WINDOWS_NATIVE)
-{      /* cannot trust the executable bit, peek into the file instead */
-       char buf[3] = { 0 };
-       int n;
-       int fd = open(name, O_RDONLY);
-       st.st_mode &= ~S_IXUSR;
-       if (fd >= 0) {
-               n = read(fd, buf, 2);
-               if (n == 2)
-                       /* DOS executables start with "MZ" */
-                       if (!strcmp(buf, "#!") || !strcmp(buf, "MZ"))
-                               st.st_mode |= S_IXUSR;
-               close(fd);
-       }
-}
-#endif
-       return st.st_mode & S_IXUSR;
-}
-
 static void list_commands_in_dir(struct cmdnames *cmds,
                                         const char *path,
                                         const char *prefix)
@@ -172,8 +144,7 @@ void load_command_list(const char *prefix,
 
        if (exec_path) {
                list_commands_in_dir(main_cmds, exec_path, prefix);
-               qsort(main_cmds->names, main_cmds->cnt,
-                     sizeof(*main_cmds->names), cmdname_compare);
+               QSORT(main_cmds->names, main_cmds->cnt, cmdname_compare);
                uniq(main_cmds);
        }
 
@@ -192,8 +163,7 @@ void load_command_list(const char *prefix,
                }
                free(paths);
 
-               qsort(other_cmds->names, other_cmds->cnt,
-                     sizeof(*other_cmds->names), cmdname_compare);
+               QSORT(other_cmds->names, other_cmds->cnt, cmdname_compare);
                uniq(other_cmds);
        }
        exclude_cmds(other_cmds, main_cmds);
@@ -218,17 +188,38 @@ void list_commands(unsigned int colopts,
        }
 }
 
+static int cmd_group_cmp(const void *elem1, const void *elem2)
+{
+       const struct cmdname_help *e1 = elem1;
+       const struct cmdname_help *e2 = elem2;
+
+       if (e1->group < e2->group)
+               return -1;
+       if (e1->group > e2->group)
+               return 1;
+       return strcmp(e1->name, e2->name);
+}
+
 void list_common_cmds_help(void)
 {
        int i, longest = 0;
+       int current_grp = -1;
 
        for (i = 0; i < ARRAY_SIZE(common_cmds); i++) {
                if (longest < strlen(common_cmds[i].name))
                        longest = strlen(common_cmds[i].name);
        }
 
-       puts(_("The most commonly used git commands are:"));
+       QSORT(common_cmds, ARRAY_SIZE(common_cmds), cmd_group_cmp);
+
+       puts(_("These are common Git commands used in various situations:"));
+
        for (i = 0; i < ARRAY_SIZE(common_cmds); i++) {
+               if (common_cmds[i].group != current_grp) {
+                       printf("\n%s\n", _(common_cmd_groups[common_cmds[i].group]));
+                       current_grp = common_cmds[i].group;
+               }
+
                printf("   %s   ", common_cmds[i].name);
                mput_char(' ', longest - strlen(common_cmds[i].name));
                puts(_(common_cmds[i].help));
@@ -298,14 +289,13 @@ const char *help_unknown_cmd(const char *cmd)
        memset(&other_cmds, 0, sizeof(other_cmds));
        memset(&aliases, 0, sizeof(aliases));
 
-       git_config(git_unknown_cmd_config, NULL);
+       read_early_config(git_unknown_cmd_config, NULL);
 
        load_command_list("git-", &main_cmds, &other_cmds);
 
        add_cmd_list(&main_cmds, &aliases);
        add_cmd_list(&main_cmds, &other_cmds);
-       qsort(main_cmds.names, main_cmds.cnt,
-             sizeof(main_cmds.names), cmdname_compare);
+       QSORT(main_cmds.names, main_cmds.cnt, cmdname_compare);
        uniq(&main_cmds);
 
        /* This abuses cmdname->len for levenshtein distance */
@@ -339,8 +329,7 @@ const char *help_unknown_cmd(const char *cmd)
                        levenshtein(cmd, candidate, 0, 2, 1, 3) + 1;
        }
 
-       qsort(main_cmds.names, main_cmds.cnt,
-             sizeof(*main_cmds.names), levenshtein_compare);
+       QSORT(main_cmds.names, main_cmds.cnt, levenshtein_compare);
 
        if (!main_cmds.cnt)
                die(_("Uh oh. Your system reports no Git commands at all."));
@@ -366,13 +355,19 @@ const char *help_unknown_cmd(const char *cmd)
                clean_cmdnames(&main_cmds);
                fprintf_ln(stderr,
                           _("WARNING: You called a Git command named '%s', "
-                            "which does not exist.\n"
-                            "Continuing under the assumption that you meant '%s'"),
-                       cmd, assumed);
-               if (autocorrect > 0) {
-                       fprintf_ln(stderr, _("in %0.1f seconds automatically..."),
-                               (float)autocorrect/10.0);
-                       poll(NULL, 0, autocorrect * 100);
+                            "which does not exist."),
+                          cmd);
+               if (autocorrect < 0)
+                       fprintf_ln(stderr,
+                                  _("Continuing under the assumption that "
+                                    "you meant '%s'."),
+                                  assumed);
+               else {
+                       fprintf_ln(stderr,
+                                  _("Continuing in %0.1f seconds, "
+                                    "assuming that you meant '%s'."),
+                                  (float)autocorrect/10.0, assumed);
+                       sleep_millisec(autocorrect * 100);
                }
                return assumed;
        }
@@ -381,8 +376,8 @@ const char *help_unknown_cmd(const char *cmd)
 
        if (SIMILAR_ENOUGH(best_similarity)) {
                fprintf_ln(stderr,
-                          Q_("\nDid you mean this?",
-                             "\nDid you mean one of these?",
+                          Q_("\nThe most similar command is",
+                             "\nThe most similar commands are",
                           n));
 
                for (i = 0; i < n; i++)
@@ -399,6 +394,12 @@ int cmd_version(int argc, const char **argv, const char *prefix)
         * with external projects that rely on the output of "git version".
         */
        printf("git version %s\n", git_version_string);
+       while (*++argv) {
+               if (!strcmp(*argv, "--build-options")) {
+                       printf("sizeof-long: %d\n", (int)sizeof(long));
+                       /* NEEDSWORK: also save and output GIT-BUILD_OPTIONS? */
+               }
+       }
        return 0;
 }
 
@@ -407,7 +408,7 @@ struct similar_ref_cb {
        struct string_list *similar_refs;
 };
 
-static int append_similar_ref(const char *refname, const unsigned char *sha1,
+static int append_similar_ref(const char *refname, const struct object_id *oid,
                              int flags, void *cb_data)
 {
        struct similar_ref_cb *cb = (struct similar_ref_cb *)(cb_data);