From 7c978a068f0575a90570e4579c71a5f641bdfad3 Mon Sep 17 00:00:00 2001 From: Jeff King Date: Mon, 23 May 2011 16:16:41 -0400 Subject: [PATCH] combine-diff: split header printing into its own function This is a pretty big logical chunk, so it makes the function a bit more readable to have it split out. In addition, it will make it easier to add an alternate code path for binary diffs in a future patch. Signed-off-by: Jeff King Signed-off-by: Junio C Hamano --- combine-diff.c | 135 +++++++++++++++++++++++++++---------------------- 1 file changed, 74 insertions(+), 61 deletions(-) diff --git a/combine-diff.c b/combine-diff.c index 655fa89d8..309dc6c27 100644 --- a/combine-diff.c +++ b/combine-diff.c @@ -681,6 +681,78 @@ static void dump_quoted_path(const char *head, puts(buf.buf); } +static void show_combined_header(struct combine_diff_path *elem, + int num_parent, + int dense, + struct rev_info *rev, + int mode_differs) +{ + struct diff_options *opt = &rev->diffopt; + int abbrev = DIFF_OPT_TST(opt, FULL_INDEX) ? 40 : DEFAULT_ABBREV; + const char *a_prefix = opt->a_prefix ? opt->a_prefix : "a/"; + const char *b_prefix = opt->b_prefix ? opt->b_prefix : "b/"; + int use_color = DIFF_OPT_TST(opt, COLOR_DIFF); + const char *c_meta = diff_get_color(use_color, DIFF_METAINFO); + const char *c_reset = diff_get_color(use_color, DIFF_RESET); + const char *abb; + int added = 0; + int deleted = 0; + int i; + + if (rev->loginfo && !rev->no_commit_id) + show_log(rev); + + dump_quoted_path(dense ? "diff --cc " : "diff --combined ", + "", elem->path, c_meta, c_reset); + printf("%sindex ", c_meta); + for (i = 0; i < num_parent; i++) { + abb = find_unique_abbrev(elem->parent[i].sha1, + abbrev); + printf("%s%s", i ? "," : "", abb); + } + abb = find_unique_abbrev(elem->sha1, abbrev); + printf("..%s%s\n", abb, c_reset); + + if (mode_differs) { + deleted = !elem->mode; + + /* We say it was added if nobody had it */ + added = !deleted; + for (i = 0; added && i < num_parent; i++) + if (elem->parent[i].status != + DIFF_STATUS_ADDED) + added = 0; + if (added) + printf("%snew file mode %06o", + c_meta, elem->mode); + else { + if (deleted) + printf("%sdeleted file ", c_meta); + printf("mode "); + for (i = 0; i < num_parent; i++) { + printf("%s%06o", i ? "," : "", + elem->parent[i].mode); + } + if (elem->mode) + printf("..%06o", elem->mode); + } + printf("%s\n", c_reset); + } + + if (added) + dump_quoted_path("--- ", "", "/dev/null", + c_meta, c_reset); + else + dump_quoted_path("--- ", a_prefix, elem->path, + c_meta, c_reset); + if (deleted) + dump_quoted_path("+++ ", "", "/dev/null", + c_meta, c_reset); + else + dump_quoted_path("+++ ", b_prefix, elem->path, + c_meta, c_reset); +} + static void show_patch_diff(struct combine_diff_path *elem, int num_parent, int dense, struct rev_info *rev) { @@ -692,13 +764,9 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent, int mode_differs = 0; int i, show_hunks; int working_tree_file = is_null_sha1(elem->sha1); - int abbrev = DIFF_OPT_TST(opt, FULL_INDEX) ? 40 : DEFAULT_ABBREV; - const char *a_prefix, *b_prefix; mmfile_t result_file; context = opt->context; - a_prefix = opt->a_prefix ? opt->a_prefix : "a/"; - b_prefix = opt->b_prefix ? opt->b_prefix : "b/"; /* Read the result of merge first */ if (!working_tree_file) @@ -832,63 +900,8 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent, show_hunks = make_hunks(sline, cnt, num_parent, dense); if (show_hunks || mode_differs || working_tree_file) { - const char *abb; - int use_color = DIFF_OPT_TST(opt, COLOR_DIFF); - const char *c_meta = diff_get_color(use_color, DIFF_METAINFO); - const char *c_reset = diff_get_color(use_color, DIFF_RESET); - int added = 0; - int deleted = 0; - - if (rev->loginfo && !rev->no_commit_id) - show_log(rev); - dump_quoted_path(dense ? "diff --cc " : "diff --combined ", - "", elem->path, c_meta, c_reset); - printf("%sindex ", c_meta); - for (i = 0; i < num_parent; i++) { - abb = find_unique_abbrev(elem->parent[i].sha1, - abbrev); - printf("%s%s", i ? "," : "", abb); - } - abb = find_unique_abbrev(elem->sha1, abbrev); - printf("..%s%s\n", abb, c_reset); - - if (mode_differs) { - deleted = !elem->mode; - - /* We say it was added if nobody had it */ - added = !deleted; - for (i = 0; added && i < num_parent; i++) - if (elem->parent[i].status != - DIFF_STATUS_ADDED) - added = 0; - if (added) - printf("%snew file mode %06o", - c_meta, elem->mode); - else { - if (deleted) - printf("%sdeleted file ", c_meta); - printf("mode "); - for (i = 0; i < num_parent; i++) { - printf("%s%06o", i ? "," : "", - elem->parent[i].mode); - } - if (elem->mode) - printf("..%06o", elem->mode); - } - printf("%s\n", c_reset); - } - if (added) - dump_quoted_path("--- ", "", "/dev/null", - c_meta, c_reset); - else - dump_quoted_path("--- ", a_prefix, elem->path, - c_meta, c_reset); - if (deleted) - dump_quoted_path("+++ ", "", "/dev/null", - c_meta, c_reset); - else - dump_quoted_path("+++ ", b_prefix, elem->path, - c_meta, c_reset); + show_combined_header(elem, num_parent, dense, rev, + mode_differs); dump_sline(sline, cnt, num_parent, DIFF_OPT_TST(opt, COLOR_DIFF), result_deleted); } -- 2.26.2