diff options
Diffstat (limited to 'builtin-rev-list.c')
-rw-r--r-- | builtin-rev-list.c | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/builtin-rev-list.c b/builtin-rev-list.c deleted file mode 100644 index c2db5a5b03..0000000000 --- a/builtin-rev-list.c +++ /dev/null @@ -1,294 +0,0 @@ -#include "cache.h" -#include "refs.h" -#include "tag.h" -#include "commit.h" -#include "tree.h" -#include "blob.h" -#include "tree-walk.h" -#include "diff.h" -#include "revision.h" -#include "list-objects.h" -#include "builtin.h" - -/* bits #0-15 in revision.h */ - -#define COUNTED (1u<<16) - -static const char rev_list_usage[] = -"git-rev-list [OPTION] <commit-id>... [ -- paths... ]\n" -" limiting output:\n" -" --max-count=nr\n" -" --max-age=epoch\n" -" --min-age=epoch\n" -" --sparse\n" -" --no-merges\n" -" --remove-empty\n" -" --all\n" -" --stdin\n" -" ordering output:\n" -" --topo-order\n" -" --date-order\n" -" formatting output:\n" -" --parents\n" -" --objects | --objects-edge\n" -" --unpacked\n" -" --header | --pretty\n" -" --abbrev=nr | --no-abbrev\n" -" --abbrev-commit\n" -" special purpose:\n" -" --bisect" -; - -static struct rev_info revs; - -static int bisect_list; -static int show_timestamp; -static int hdr_termination; -static const char *header_prefix; - -static void show_commit(struct commit *commit) -{ - if (show_timestamp) - printf("%lu ", commit->date); - if (header_prefix) - fputs(header_prefix, stdout); - if (commit->object.flags & BOUNDARY) - putchar('-'); - else if (revs.left_right) { - if (commit->object.flags & SYMMETRIC_LEFT) - putchar('<'); - else - 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); - parents = parents->next; - if (o->flags & TMP_MARK) - continue; - printf(" %s", sha1_to_hex(o->sha1)); - o->flags |= TMP_MARK; - } - /* TMP_MARK is a general purpose flag that can - * be used locally, but the user should clean - * things up after it is done with them. - */ - for (parents = commit->parents; - parents; - parents = parents->next) - parents->item->object.flags &= ~TMP_MARK; - } - if (revs.commit_format == CMIT_FMT_ONELINE) - putchar(' '); - else - putchar('\n'); - - if (revs.verbose_header) { - static char pretty_header[16384]; - pretty_print_commit(revs.commit_format, commit, ~0, - pretty_header, sizeof(pretty_header), - revs.abbrev, NULL, NULL, revs.relative_date); - printf("%s%c", pretty_header, hdr_termination); - } - fflush(stdout); - if (commit->parents) { - free_commit_list(commit->parents); - commit->parents = NULL; - } - free(commit->buffer); - commit->buffer = NULL; -} - -static void show_object(struct object_array_entry *p) -{ - /* An object with name "foo\n0000000..." can be used to - * confuse downstream git-pack-objects very badly. - */ - const char *ep = strchr(p->name, '\n'); - if (ep) { - printf("%s %.*s\n", sha1_to_hex(p->item->sha1), - (int) (ep - p->name), - p->name); - } - else - printf("%s %s\n", sha1_to_hex(p->item->sha1), p->name); -} - -static void show_edge(struct commit *commit) -{ - printf("-%s\n", sha1_to_hex(commit->object.sha1)); -} - -/* - * This is a truly stupid algorithm, but it's only - * used for bisection, and we just don't care enough. - * - * We care just barely enough to avoid recursing for - * non-merge entries. - */ -static int count_distance(struct commit_list *entry) -{ - int nr = 0; - - while (entry) { - struct commit *commit = entry->item; - struct commit_list *p; - - if (commit->object.flags & (UNINTERESTING | COUNTED)) - break; - if (!revs.prune_fn || (commit->object.flags & TREECHANGE)) - nr++; - commit->object.flags |= COUNTED; - p = commit->parents; - entry = p; - if (p) { - p = p->next; - while (p) { - nr += count_distance(p); - p = p->next; - } - } - } - - return nr; -} - -static void clear_distance(struct commit_list *list) -{ - while (list) { - struct commit *commit = list->item; - commit->object.flags &= ~COUNTED; - list = list->next; - } -} - -static struct commit_list *find_bisection(struct commit_list *list) -{ - int nr, closest; - struct commit_list *p, *best; - - nr = 0; - p = list; - while (p) { - if (!revs.prune_fn || (p->item->object.flags & TREECHANGE)) - nr++; - p = p->next; - } - closest = 0; - best = list; - - for (p = list; p; p = p->next) { - int distance; - - if (revs.prune_fn && !(p->item->object.flags & TREECHANGE)) - continue; - - distance = count_distance(p); - clear_distance(list); - if (nr - distance < distance) - distance = nr - distance; - if (distance > closest) { - best = p; - closest = distance; - } - } - if (best) - best->next = NULL; - return best; -} - -static void read_revisions_from_stdin(struct rev_info *revs) -{ - char line[1000]; - - while (fgets(line, sizeof(line), stdin) != NULL) { - int len = strlen(line); - if (line[len - 1] == '\n') - line[--len] = 0; - if (!len) - break; - if (line[0] == '-') - die("options not supported in --stdin mode"); - if (handle_revision_arg(line, revs, 0, 1)) - die("bad revision '%s'", line); - } -} - -int cmd_rev_list(int argc, const char **argv, const char *prefix) -{ - struct commit_list *list; - int i; - int read_from_stdin = 0; - - git_config(git_default_config); - init_revisions(&revs, prefix); - 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]; - - if (!strcmp(arg, "--header")) { - revs.verbose_header = 1; - continue; - } - if (!strcmp(arg, "--timestamp")) { - show_timestamp = 1; - continue; - } - if (!strcmp(arg, "--bisect")) { - bisect_list = 1; - continue; - } - if (!strcmp(arg, "--stdin")) { - if (read_from_stdin++) - die("--stdin given twice?"); - read_revisions_from_stdin(&revs); - 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.nr)) || - revs.diff) - usage(rev_list_usage); - - save_commit_buffer = revs.verbose_header || revs.grep_filter; - track_object_refs = 0; - if (bisect_list) - revs.limited = 1; - - prepare_revision_walk(&revs); - if (revs.tree_objects) - mark_edges_uninteresting(revs.commits, &revs, show_edge); - - if (bisect_list) - revs.commits = find_bisection(revs.commits); - - traverse_commit_list(&revs, show_commit, show_object); - - return 0; -} |