gitweb: Adding a `blame' interface.

diff --git a/blame.c b/blame.c
index 6730b10b115250e088887879d075559a36ddc7b1..25d3bcf647f44bbaed1c273d5886df6a7cfe6e03 100644 (file)
--- a/blame.c
+++ b/blame.c
@@ -20,9 +20,11 @@
 
 #define DEBUG 0
 
-static const char blame_usage[] = "[-c] [-l] [--] file [commit]\n"
+static const char blame_usage[] = "[-c] [-l] [-t] [-S <revs-file>] [--] file [commit]\n"
        "  -c, --compability Use the same output mode as git-annotate (Default: off)\n"
        "  -l, --long        Show long commit SHA1 (Default: off)\n"
+       "  -t, --time        Show raw timestamp (Default: off)\n"
+       "  -S, --revs-file   Use revisions from revs-file instead of calling git-rev-list\n"
        "  -h, --help        This message";
 
 static struct commit **blame_lines;
@@ -149,7 +151,7 @@ static void free_patch(struct patch *p)
        free(p);
 }
 
-static int get_blob_sha1_internal(unsigned char *sha1, const char *base,
+static int get_blob_sha1_internal(const unsigned char *sha1, const char *base,
                                  int baselen, const char *pathname,
                                  unsigned mode, int stage);
 
@@ -178,7 +180,7 @@ static int get_blob_sha1(struct tree *t, const char *pathname,
        return 0;
 }
 
-static int get_blob_sha1_internal(unsigned char *sha1, const char *base,
+static int get_blob_sha1_internal(const unsigned char *sha1, const char *base,
                                  int baselen, const char *pathname,
                                  unsigned mode, int stage)
 {
@@ -508,25 +510,33 @@ static void process_commits(struct rev_info *rev, const char *path,
 static int compare_tree_path(struct rev_info* revs,
                             struct commit* c1, struct commit* c2)
 {
+       int ret;
        const char* paths[2];
        struct util_info* util = c2->object.util;
        paths[0] = util->pathname;
        paths[1] = NULL;
 
-       diff_tree_setup_paths(get_pathspec(revs->prefix, paths));
-       return rev_compare_tree(c1->tree, c2->tree);
+       diff_tree_setup_paths(get_pathspec(revs->prefix, paths),
+                             &revs->pruning);
+       ret = rev_compare_tree(revs, c1->tree, c2->tree);
+       diff_tree_release_paths(&revs->pruning);
+       return ret;
 }
 
 
 static int same_tree_as_empty_path(struct rev_info *revs, struct tree* t1,
                                   const char* path)
 {
+       int ret;
        const char* paths[2];
        paths[0] = path;
        paths[1] = NULL;
 
-       diff_tree_setup_paths(get_pathspec(revs->prefix, paths));
-       return rev_same_tree_as_empty(t1);
+       diff_tree_setup_paths(get_pathspec(revs->prefix, paths),
+                             &revs->pruning);
+       ret = rev_same_tree_as_empty(revs, t1);
+       diff_tree_release_paths(&revs->pruning);
+       return ret;
 }
 
 static const char* find_rename(struct commit* commit, struct commit* parent)
@@ -546,7 +556,7 @@ static const char* find_rename(struct commit* commit, struct commit* parent)
        diff_opts.recursive = 1;
        diff_opts.detect_rename = DIFF_DETECT_RENAME;
        paths[0] = NULL;
-       diff_tree_setup_paths(paths);
+       diff_tree_setup_paths(paths, &diff_opts);
        if (diff_setup_done(&diff_opts) < 0)
                die("diff_setup_done failed");
 
@@ -672,13 +682,19 @@ static void get_commit_info(struct commit* commit, struct commit_info* ret)
        *tmp = 0;
 }
 
-static const char* format_time(unsigned long time, const char* tz_str)
+static const char* format_time(unsigned long time, const char* tz_str,
+                              int show_raw_time)
 {
        static char time_buf[128];
        time_t t = time;
        int minutes, tz;
        struct tm *tm;
 
+       if (show_raw_time) {
+               sprintf(time_buf, "%lu %s", time, tz_str);
+               return time_buf;
+       }
+
        tz = atoi(tz_str);
        minutes = tz < 0 ? -tz : tz;
        minutes = (minutes / 100)*60 + (minutes % 100);
@@ -732,6 +748,7 @@ int main(int argc, const char **argv)
        char filename_buf[256];
        int sha1_len = 8;
        int compability = 0;
+       int show_raw_time = 0;
        int options = 1;
        struct commit* start_commit;
 
@@ -760,6 +777,10 @@ int main(int argc, const char **argv)
                                  !strcmp(argv[i], "--compability")) {
                                compability = 1;
                                continue;
+                       } else if(!strcmp(argv[i], "-t") ||
+                                 !strcmp(argv[i], "--time")) {
+                               show_raw_time = 1;
+                               continue;
                        } else if(!strcmp(argv[i], "-S")) {
                                if (i + 1 < argc &&
                                    !read_ancestry(argv[i + 1], &sha1_p)) {
@@ -826,7 +847,7 @@ int main(int argc, const char **argv)
 
        args[0] = filename;
        args[1] = NULL;
-       diff_tree_setup_paths(args);
+       diff_tree_setup_paths(args, &rev.pruning);
        prepare_revision_walk(&rev);
        process_commits(&rev, filename, &initial);
 
@@ -865,14 +886,17 @@ int main(int argc, const char **argv)
                fwrite(sha1_to_hex(c->object.sha1), sha1_len, 1, stdout);
                if(compability) {
                        printf("\t(%10s\t%10s\t%d)", ci.author,
-                              format_time(ci.author_time, ci.author_tz), i+1);
+                              format_time(ci.author_time, ci.author_tz,
+                                          show_raw_time),
+                              i+1);
                } else {
                        if (found_rename)
                                printf(" %-*.*s", longest_file, longest_file,
                                       u->pathname);
                        printf(" (%-*.*s %10s %*d) ",
                               longest_author, longest_author, ci.author,
-                              format_time(ci.author_time, ci.author_tz),
+                              format_time(ci.author_time, ci.author_tz,
+                                          show_raw_time),
                               max_digits, i+1);
                }