Now use handle_revision_args instead of parse_revisions, and simplify the
handling of old-style arguments a lot thanks to the filtering.
Signed-off-by: Pierre Habouzit <madcoder@xxxxxxxxxx>
---
builtin-blame.c | 132 +++++++++++++++++--------------------------------------
1 files changed, 40 insertions(+), 92 deletions(-)
diff --git a/builtin-blame.c b/builtin-blame.c
index 6256341..bbbaea5 100644
--- a/builtin-blame.c
+++ b/builtin-blame.c
@@ -2262,8 +2262,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
struct scoreboard sb;
struct origin *o;
struct blame_entry *ent;
- int i, seen_dashdash, unk;
- long bottom, top, lno;
+ long dashdash_pos, bottom, top, lno;
const char *final_commit_name = NULL;
enum object_type type;
@@ -2301,6 +2300,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
git_config(git_blame_config, NULL);
init_revisions(&revs, NULL);
save_commit_buffer = 0;
+ dashdash_pos = 0;
parse_options_start(&ctx, argc, argv, PARSE_OPT_KEEP_DASHDASH |
PARSE_OPT_KEEP_ARGV0);
@@ -2311,6 +2311,8 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
case PARSE_OPT_HELP:
exit(129);
case PARSE_OPT_DONE:
+ if (ctx.argv[0])
+ dashdash_pos = ctx.cpidx;
goto parse_done;
}
@@ -2330,20 +2332,6 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
parse_done:
argc = parse_options_end(&ctx);
- seen_dashdash = 0;
- for (unk = i = 1; i < argc; i++) {
- const char *arg = argv[i];
- if (*arg != '-')
- break;
- else if (!strcmp("--", arg)) {
- seen_dashdash = 1;
- i++;
- break;
- }
- else
- argv[unk++] = arg;
- }
-
if (!blame_move_score)
blame_move_score = BLAME_DEFAULT_MOVE_SCORE;
if (!blame_copy_score)
@@ -2356,92 +2344,52 @@ parse_done:
*
* The remaining are:
*
- * (1) if seen_dashdash, its either
- * "-options -- <path>" or
- * "-options -- <path> <rev>".
- * but the latter is allowed only if there is no
- * options that we passed to revision machinery.
+ * (1) if dashdash_pos != 0, its either
+ * "blame [revisions] -- <path>" or
+ * "blame -- <path> <rev>"
*
- * (2) otherwise, we may have "--" somewhere later and
- * might be looking at the first one of multiple 'rev'
- * parameters (e.g. " master ^next ^maint -- path").
- * See if there is a dashdash first, and give the
- * arguments before that to revision machinery.
- * After that there must be one 'path'.
+ * (2) otherwise, its one of the two:
+ * "blame [revisions] <path>"
+ * "blame <path> <rev>"
*
- * (3) otherwise, its one of the three:
- * "-options <path> <rev>"
- * "-options <rev> <path>"
- * "-options <path>"
- * but again the first one is allowed only if
- * there is no options that we passed to revision
- * machinery.
+ * Note that we must strip out <path> from the arguments: we do not
+ * want the path pruning but we may want "bottom" processing.
*/
-
- if (seen_dashdash) {
- /* (1) */
- if (argc <= i)
- usage_with_options(blame_opt_usage, options);
- path = add_prefix(prefix, argv[i]);
- if (i + 1 == argc - 1) {
- if (unk != 1)
+ if (dashdash_pos) {
+ switch (argc - dashdash_pos - 1) {
+ case 2: /* (1b) */
+ if (argc != 4)
usage_with_options(blame_opt_usage, options);
- argv[unk++] = argv[i + 1];
+ /* reorder for the new way: <rev> -- <path> */
+ argv[1] = argv[3];
+ argv[3] = argv[2];
+ argv[2] = "--";
+ dashdash_pos = 2;
+ /* FALLTHROUGH */
+ case 1: /* (1a) */
+ path = add_prefix(prefix, argv[--argc]);
+ argv[argc] = NULL;
+ break;
+ default:
+ usage_with_options(blame_opt_usage, options);
}
- else if (i + 1 != argc)
- /* garbage at end */
+ } else {
+ if (argc < 2)
usage_with_options(blame_opt_usage, options);
- }
- else {
- int j;
- for (j = i; !seen_dashdash && j < argc; j++)
- if (!strcmp(argv[j], "--"))
- seen_dashdash = j;
- if (seen_dashdash) {
- /* (2) */
- if (seen_dashdash + 1 != argc - 1)
- usage_with_options(blame_opt_usage, options);
- path = add_prefix(prefix, argv[seen_dashdash + 1]);
- for (j = i; j < seen_dashdash; j++)
- argv[unk++] = argv[j];
+ path = add_prefix(prefix, argv[argc - 1]);
+ if (argc == 3 && !has_path_in_work_tree(path)) { /* (2b) */
+ path = add_prefix(prefix, argv[1]);
+ argv[1] = argv[2];
}
- else {
- /* (3) */
- if (argc <= i)
- usage_with_options(blame_opt_usage, options);
- path = add_prefix(prefix, argv[i]);
- if (i + 1 == argc - 1) {
- final_commit_name = argv[i + 1];
-
- /* if (unk == 1) we could be getting
- * old-style
- */
- if (unk == 1 && !has_path_in_work_tree(path)) {
- path = add_prefix(prefix, argv[i + 1]);
- final_commit_name = argv[i];
- }
- }
- else if (i != argc - 1)
- usage_with_options(blame_opt_usage, options);
+ argv[argc - 1] = "--";
+ dashdash_pos = argc - 1;
- setup_work_tree();
- if (!has_path_in_work_tree(path))
- die("cannot stat path %s: %s",
- path, strerror(errno));
- }
+ setup_work_tree();
+ if (!has_path_in_work_tree(path))
+ die("cannot stat path %s: %s", path, strerror(errno));
}
- if (final_commit_name)
- argv[unk++] = final_commit_name;
-
- /*
- * Now we got rev and path. We do not want the path pruning
- * but we may want "bottom" processing.
- */
- argv[unk++] = "--"; /* terminate the rev name */
- argv[unk] = NULL;
-
- parse_revisions(unk, argv, &revs);
+ handle_revision_args(&revs, argc, argv, dashdash_pos);
setup_revisions(&revs, NULL);
memset(&sb, 0, sizeof(sb));
--
1.5.6.2.352.g416a6
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