rebase -i --autosquash: auto-squash commits

diff --git a/builtin-reset.c b/builtin-reset.c
index 9514b77f8c0b4e8a576e888df905b501e198df24..73e60223db844ee2445aff0b2253f0f21e8a5bef 100644 (file)
--- a/builtin-reset.c
+++ b/builtin-reset.c
@@ -20,11 +20,14 @@
 #include "parse-options.h"
 
 static const char * const git_reset_usage[] = {
-       "git reset [--mixed | --soft | --hard] [-q] [<commit>]",
+       "git reset [--mixed | --soft | --hard | --merge] [-q] [<commit>]",
        "git reset [--mixed] <commit> [--] <paths>...",
        NULL
 };
 
+enum reset_type { MIXED, SOFT, HARD, MERGE, NONE };
+static const char *reset_type_names[] = { "mixed", "soft", "hard", "merge", NULL };
+
 static char *args_to_str(const char **argv)
 {
        char *buf = NULL;
@@ -49,7 +52,7 @@ static inline int is_merge(void)
        return !access(git_path("MERGE_HEAD"), F_OK);
 }
 
-static int reset_index_file(const unsigned char *sha1, int is_hard_reset, int quiet)
+static int reset_index_file(const unsigned char *sha1, int reset_type, int quiet)
 {
        int i = 0;
        const char *args[6];
@@ -57,9 +60,17 @@ static int reset_index_file(const unsigned char *sha1, int is_hard_reset, int qu
        args[i++] = "read-tree";
        if (!quiet)
                args[i++] = "-v";
-       args[i++] = "--reset";
-       if (is_hard_reset)
+       switch (reset_type) {
+       case MERGE:
                args[i++] = "-u";
+               args[i++] = "-m";
+               break;
+       case HARD:
+               args[i++] = "-u";
+               /* fallthrough */
+       default:
+               args[i++] = "--reset";
+       }
        args[i++] = sha1_to_hex(sha1);
        args[i] = NULL;
 
@@ -97,7 +108,8 @@ static int update_index_refresh(int fd, struct lock_file *index_lock, int flags)
        if (read_cache() < 0)
                return error("Could not read index");
 
-       result = refresh_cache(flags) ? 1 : 0;
+       result = refresh_index(&the_index, (flags), NULL, NULL,
+                              "Unstaged changes after reset:") ? 1 : 0;
        if (write_cache(fd, active_cache, active_nr) ||
                        commit_locked_index(index_lock))
                return error ("Could not refresh index");
@@ -131,6 +143,17 @@ static void update_index_from_diff(struct diff_queue_struct *q,
        }
 }
 
+static int interactive_reset(const char *revision, const char **argv,
+                            const char *prefix)
+{
+       const char **pathspec = NULL;
+
+       if (*argv)
+               pathspec = get_pathspec(prefix, argv);
+
+       return run_add_interactive(revision, "--patch=reset", pathspec);
+}
+
 static int read_from_tree(const char *prefix, const char **argv,
                unsigned char *tree_sha1, int refresh_flags)
 {
@@ -169,12 +192,10 @@ static void prepend_reflog_action(const char *action, char *buf, size_t size)
                warning("Reflog action message too long: %.*s...", 50, buf);
 }
 
-enum reset_type { MIXED, SOFT, HARD, NONE };
-static const char *reset_type_names[] = { "mixed", "soft", "hard", NULL };
-
 int cmd_reset(int argc, const char **argv, const char *prefix)
 {
        int i = 0, reset_type = NONE, update_ref_status = 0, quiet = 0;
+       int patch_mode = 0;
        const char *rev = "HEAD";
        unsigned char sha1[20], *orig = NULL, sha1_orig[20],
                                *old_orig = NULL, sha1_old_orig[20];
@@ -186,14 +207,17 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
                OPT_SET_INT(0, "soft", &reset_type, "reset only HEAD", SOFT),
                OPT_SET_INT(0, "hard", &reset_type,
                                "reset HEAD, index and working tree", HARD),
+               OPT_SET_INT(0, "merge", &reset_type,
+                               "reset HEAD, index and working tree", MERGE),
                OPT_BOOLEAN('q', NULL, &quiet,
                                "disable showing new HEAD in hard reset and progress message"),
+               OPT_BOOLEAN('p', "patch", &patch_mode, "select hunks interactively"),
                OPT_END()
        };
 
        git_config(git_default_config, NULL);
 
-       argc = parse_options(argc, argv, options, git_reset_usage,
+       argc = parse_options(argc, argv, prefix, options, git_reset_usage,
                                                PARSE_OPT_KEEP_DASHDASH);
        reflog_action = args_to_str(argv);
        setenv("GIT_REFLOG_ACTION", reflog_action, 0);
@@ -218,7 +242,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
                }
                /*
                 * Otherwise, argv[i] could be either <rev> or <paths> and
-                * has to be unambigous.
+                * has to be unambiguous.
                 */
                else if (!get_sha1(argv[i], sha1)) {
                        /*
@@ -241,6 +265,12 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
                die("Could not parse object '%s'.", rev);
        hashcpy(sha1, commit->object.sha1);
 
+       if (patch_mode) {
+               if (reset_type != NONE)
+                       die("--patch is incompatible with --{hard,mixed,soft}");
+               return interactive_reset(rev, argv + i, prefix);
+       }
+
        /* git reset tree [--] paths... can be used to
         * load chosen paths from the tree into the index without
         * affecting the working tree nor HEAD. */
@@ -251,7 +281,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
                        die("Cannot do %s reset with paths.",
                                        reset_type_names[reset_type]);
                return read_from_tree(prefix, argv + i, sha1,
-                               quiet ? REFRESH_QUIET : REFRESH_SAY_CHANGED);
+                               quiet ? REFRESH_QUIET : REFRESH_IN_PORCELAIN);
        }
        if (reset_type == NONE)
                reset_type = MIXED; /* by default */
@@ -266,7 +296,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
                if (is_merge() || read_cache() < 0 || unmerged_cache())
                        die("Cannot do a soft reset in the middle of a merge.");
        }
-       else if (reset_index_file(sha1, (reset_type == HARD), quiet))
+       else if (reset_index_file(sha1, reset_type, quiet))
                die("Could not reset index file to revision '%s'.", rev);
 
        /* Any resets update HEAD to the head being switched to,
@@ -292,7 +322,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
                break;
        case MIXED: /* Report what has not been updated. */
                update_index_refresh(0, NULL,
-                               quiet ? REFRESH_QUIET : REFRESH_SAY_CHANGED);
+                               quiet ? REFRESH_QUIET : REFRESH_IN_PORCELAIN);
                break;
        }