Deprecate usage of git-var -l for getting config vars list
[gitweb.git] / rev-list.c
index 94f22dd6733c096c46a2f8ab7f423972fa8bbba5..8b0ec388fa0afe5ffb28c94f2e75544612ab7265 100644 (file)
@@ -4,15 +4,13 @@
 #include "commit.h"
 #include "tree.h"
 #include "blob.h"
-#include "epoch.h"
+#include "tree-walk.h"
 #include "diff.h"
 #include "revision.h"
 
-/* bits #0-2 in revision.h */
+/* bits #0-15 in revision.h */
 
-#define COUNTED                (1u << 3)
-#define SHOWN          (1u << 4)
-#define TMP_MARK       (1u << 5) /* for isolated cases; clean after use */
+#define COUNTED                (1u<<16)
 
 static const char rev_list_usage[] =
 "git-rev-list [OPTION] <commit-id>... [ -- paths... ]\n"
@@ -25,7 +23,6 @@ static const char rev_list_usage[] =
 "    --remove-empty\n"
 "    --all\n"
 "  ordering output:\n"
-"    --merge-order [ --show-breaks ]\n"
 "    --topo-order\n"
 "    --date-order\n"
 "  formatting output:\n"
@@ -34,6 +31,7 @@ static const char rev_list_usage[] =
 "    --unpacked\n"
 "    --header | --pretty\n"
 "    --abbrev=nr | --no-abbrev\n"
+"    --abbrev-commit\n"
 "  special purpose:\n"
 "    --bisect"
 ;
@@ -41,30 +39,24 @@ static const char rev_list_usage[] =
 struct rev_info revs;
 
 static int bisect_list = 0;
-static int verbose_header = 0;
-static int abbrev = DEFAULT_ABBREV;
-static int show_parents = 0;
+static int show_timestamp = 0;
 static int hdr_termination = 0;
-static const char *commit_prefix = "";
-static enum cmit_fmt commit_format = CMIT_FMT_RAW;
-static int merge_order = 0;
-static int show_breaks = 0;
-static int stop_traversal = 0;
-static int no_merges = 0;
+static const char *header_prefix;
 
 static void show_commit(struct commit *commit)
 {
-       commit->object.flags |= SHOWN;
-       if (show_breaks) {
-               commit_prefix = "| ";
-               if (commit->object.flags & DISCONTINUITY) {
-                       commit_prefix = "^ ";     
-               } else if (commit->object.flags & BOUNDARY) {
-                       commit_prefix = "= ";
-               } 
-        }                      
-       printf("%s%s", commit_prefix, sha1_to_hex(commit->object.sha1));
-       if (show_parents) {
+       if (show_timestamp)
+               printf("%lu ", commit->date);
+       if (header_prefix)
+               fputs(header_prefix, stdout);
+       if (commit->object.flags & BOUNDARY)
+               putchar('-');
+       if (revs.abbrev_commit && revs.abbrev)
+               fputs(find_unique_abbrev(commit->object.sha1, revs.abbrev),
+                     stdout);
+       else
+               fputs(sha1_to_hex(commit->object.sha1), stdout);
+       if (revs.parents) {
                struct commit_list *parents = commit->parents;
                while (parents) {
                        struct object *o = &(parents->item->object);
@@ -83,86 +75,21 @@ static void show_commit(struct commit *commit)
                     parents = parents->next)
                        parents->item->object.flags &= ~TMP_MARK;
        }
-       if (commit_format == CMIT_FMT_ONELINE)
+       if (revs.commit_format == CMIT_FMT_ONELINE)
                putchar(' ');
        else
                putchar('\n');
 
-       if (verbose_header) {
+       if (revs.verbose_header) {
                static char pretty_header[16384];
-               pretty_print_commit(commit_format, commit, ~0, pretty_header, sizeof(pretty_header), abbrev);
+               pretty_print_commit(revs.commit_format, commit, ~0,
+                                   pretty_header, sizeof(pretty_header),
+                                   revs.abbrev);
                printf("%s%c", pretty_header, hdr_termination);
        }
        fflush(stdout);
 }
 
-static int rewrite_one(struct commit **pp)
-{
-       for (;;) {
-               struct commit *p = *pp;
-               if (p->object.flags & (TREECHANGE | UNINTERESTING))
-                       return 0;
-               if (!p->parents)
-                       return -1;
-               *pp = p->parents->item;
-       }
-}
-
-static void rewrite_parents(struct commit *commit)
-{
-       struct commit_list **pp = &commit->parents;
-       while (*pp) {
-               struct commit_list *parent = *pp;
-               if (rewrite_one(&parent->item) < 0) {
-                       *pp = parent->next;
-                       continue;
-               }
-               pp = &parent->next;
-       }
-}
-
-static int filter_commit(struct commit * commit)
-{
-       if (stop_traversal && (commit->object.flags & BOUNDARY))
-               return STOP;
-       if (commit->object.flags & (UNINTERESTING|SHOWN))
-               return CONTINUE;
-       if (revs.min_age != -1 && (commit->date > revs.min_age))
-               return CONTINUE;
-       if (revs.max_age != -1 && (commit->date < revs.max_age)) {
-               stop_traversal=1;
-               return CONTINUE;
-       }
-       if (no_merges && (commit->parents && commit->parents->next))
-               return CONTINUE;
-       if (revs.paths && revs.dense) {
-               if (!(commit->object.flags & TREECHANGE))
-                       return CONTINUE;
-               rewrite_parents(commit);
-       }
-       return DO;
-}
-
-static int process_commit(struct commit * commit)
-{
-       int action=filter_commit(commit);
-
-       if (action == STOP) {
-               return STOP;
-       }
-
-       if (action == CONTINUE) {
-               return CONTINUE;
-       }
-
-       if (revs.max_count != -1 && !revs.max_count--)
-               return STOP;
-
-       show_commit(commit);
-
-       return CONTINUE;
-}
-
 static struct object_list **process_blob(struct blob *blob,
                                         struct object_list **p,
                                         struct name_path *path,
@@ -219,8 +146,7 @@ static void show_commit_list(struct rev_info *revs)
 
        while ((commit = get_revision(revs)) != NULL) {
                p = process_tree(commit->tree, p, NULL, "");
-               if (process_commit(commit) == STOP)
-                       break;
+               show_commit(commit);
        }
        for (pending = revs->pending_objects; pending; pending = pending->next) {
                struct object *obj = pending->item;
@@ -275,7 +201,7 @@ static int count_distance(struct commit_list *entry)
 
                if (commit->object.flags & (UNINTERESTING | COUNTED))
                        break;
-               if (!revs.paths || (commit->object.flags & TREECHANGE))
+               if (!revs.prune_fn || (commit->object.flags & TREECHANGE))
                        nr++;
                commit->object.flags |= COUNTED;
                p = commit->parents;
@@ -309,7 +235,7 @@ static struct commit_list *find_bisection(struct commit_list *list)
        nr = 0;
        p = list;
        while (p) {
-               if (!revs.paths || (p->item->object.flags & TREECHANGE))
+               if (!revs.prune_fn || (p->item->object.flags & TREECHANGE))
                        nr++;
                p = p->next;
        }
@@ -319,7 +245,7 @@ static struct commit_list *find_bisection(struct commit_list *list)
        for (p = list; p; p = p->next) {
                int distance;
 
-               if (revs.paths && !(p->item->object.flags & TREECHANGE))
+               if (revs.prune_fn && !(p->item->object.flags & TREECHANGE))
                        continue;
 
                distance = count_distance(p);
@@ -370,82 +296,54 @@ int main(int argc, const char **argv)
        struct commit_list *list;
        int i;
 
+       init_revisions(&revs);
+       revs.abbrev = 0;
+       revs.commit_format = CMIT_FMT_UNSPECIFIED;
        argc = setup_revisions(argc, argv, &revs, NULL);
 
        for (i = 1 ; i < argc; i++) {
                const char *arg = argv[i];
 
-               /* accept -<digit>, like traditilnal "head" */
-               if ((*arg == '-') && isdigit(arg[1])) {
-                       revs.max_count = atoi(arg + 1);
-                       continue;
-               }
-               if (!strcmp(arg, "-n")) {
-                       if (++i >= argc)
-                               die("-n requires an argument");
-                       revs.max_count = atoi(argv[i]);
-                       continue;
-               }
-               if (!strncmp(arg,"-n",2)) {
-                       revs.max_count = atoi(arg + 2);
-                       continue;
-               }
                if (!strcmp(arg, "--header")) {
-                       verbose_header = 1;
-                       continue;
-               }
-               if (!strcmp(arg, "--no-abbrev")) {
-                       abbrev = 0;
-                       continue;
-               }
-               if (!strncmp(arg, "--abbrev=", 9)) {
-                       abbrev = strtoul(arg + 9, NULL, 10);
-                       if (abbrev && abbrev < MINIMUM_ABBREV)
-                               abbrev = MINIMUM_ABBREV;
-                       else if (40 < abbrev)
-                               abbrev = 40;
-                       continue;
-               }
-               if (!strncmp(arg, "--pretty", 8)) {
-                       commit_format = get_commit_format(arg+8);
-                       verbose_header = 1;
-                       hdr_termination = '\n';
-                       if (commit_format == CMIT_FMT_ONELINE)
-                               commit_prefix = "";
-                       else
-                               commit_prefix = "commit ";
-                       continue;
-               }
-               if (!strncmp(arg, "--no-merges", 11)) {
-                       no_merges = 1;
+                       revs.verbose_header = 1;
                        continue;
                }
-               if (!strcmp(arg, "--parents")) {
-                       show_parents = 1;
+               if (!strcmp(arg, "--timestamp")) {
+                       show_timestamp = 1;
                        continue;
                }
                if (!strcmp(arg, "--bisect")) {
                        bisect_list = 1;
                        continue;
                }
-               if (!strcmp(arg, "--merge-order")) {
-                       merge_order = 1;
-                       continue;
-               }
-               if (!strcmp(arg, "--show-breaks")) {
-                       show_breaks = 1;
-                       continue;
-               }
                usage(rev_list_usage);
 
        }
+       if (revs.commit_format != CMIT_FMT_UNSPECIFIED) {
+               /* The command line has a --pretty  */
+               hdr_termination = '\n';
+               if (revs.commit_format == CMIT_FMT_ONELINE)
+                       header_prefix = "";
+               else
+                       header_prefix = "commit ";
+       }
+       else if (revs.verbose_header)
+               /* Only --header was specified */
+               revs.commit_format = CMIT_FMT_RAW;
 
        list = revs.commits;
 
-       if (!list &&
-           (!(revs.tag_objects||revs.tree_objects||revs.blob_objects) && !revs.pending_objects))
+       if ((!list &&
+            (!(revs.tag_objects||revs.tree_objects||revs.blob_objects) &&
+             !revs.pending_objects)) ||
+           revs.diff)
                usage(rev_list_usage);
 
+       save_commit_buffer = revs.verbose_header;
+       track_object_refs = 0;
+       if (bisect_list)
+               revs.limited = 1;
+
        prepare_revision_walk(&revs);
        if (revs.tree_objects)
                mark_edges_uninteresting(revs.commits);
@@ -453,20 +351,7 @@ int main(int argc, const char **argv)
        if (bisect_list)
                revs.commits = find_bisection(revs.commits);
 
-       save_commit_buffer = verbose_header;
-       track_object_refs = 0;
-
-       if (!merge_order) {
-               show_commit_list(&revs);
-       } else {
-#ifndef NO_OPENSSL
-               if (sort_list_in_merge_order(list, &process_commit)) {
-                       die("merge order sort failed\n");
-               }
-#else
-               die("merge order sort unsupported, OpenSSL not linked");
-#endif
-       }
+       show_commit_list(&revs);
 
        return 0;
 }