git log --full-diff

Without this flag, "git log -p paths..." shows commits that
touch the specified paths, and diffs about the same specified
paths.  With this, the full diff is shown for commits that touch
the specified paths.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/git.c b/git.c
index 8776088af349b70784a78d30cec4f2445f8594eb..ad896da5849b9697cf61d7349ee7d4e20611106d 100644 (file)
--- a/git.c
+++ b/git.c
@@ -288,7 +288,9 @@ static int cmd_log(int argc, const char **argv, char **envp)
        int abbrev_commit = 0;
        const char *commit_prefix = "commit ";
        struct log_tree_opt opt;
+       int shown = 0;
        int do_diff = 0;
+       int full_diff = 0;
 
        init_log_tree_opt(&opt);
        argc = setup_revisions(argc, argv, &rev, "HEAD");
@@ -315,6 +317,10 @@ static int cmd_log(int argc, const char **argv, char **envp)
                        else if (40 < abbrev)
                                abbrev = 40;
                }
+               else if (!strcmp(arg, "--full-diff")) {
+                       do_diff = 1;
+                       full_diff = 1;
+               }
                else {
                        int cnt = log_tree_opt_parse(&opt, argv+1, argc-1);
                        if (0 < cnt) {
@@ -328,6 +334,7 @@ static int cmd_log(int argc, const char **argv, char **envp)
 
                argc--; argv++;
        }
+
        if (do_diff) {
                opt.diffopt.abbrev = abbrev;
                opt.verbose_header = 0;
@@ -339,12 +346,16 @@ static int cmd_log(int argc, const char **argv, char **envp)
                        opt.diffopt.output_format = DIFF_FORMAT_PATCH;
                if (opt.diffopt.output_format == DIFF_FORMAT_PATCH)
                        opt.diffopt.recursive = 1;
+               if (!full_diff && rev.prune_data)
+                       diff_tree_setup_paths(rev.prune_data, &opt.diffopt);
                diff_setup_done(&opt.diffopt);
        }
 
        prepare_revision_walk(&rev);
        setup_pager();
        while ((commit = get_revision(&rev)) != NULL) {
+               if (commit_format != CMIT_FMT_ONELINE && shown)
+                       putchar('\n');
                fputs(commit_prefix, stdout);
                if (abbrev_commit && abbrev)
                        fputs(find_unique_abbrev(commit->object.sha1, abbrev),
@@ -377,9 +388,9 @@ static int cmd_log(int argc, const char **argv, char **envp)
                pretty_print_commit(commit_format, commit, ~0, buf,
                                    LOGSIZE, abbrev);
                printf("%s\n", buf);
-
                if (do_diff)
                        log_tree_commit(&opt, commit);
+               shown = 1;
        }
        free(buf);
        return 0;