detect copies and renames based on the threshold of changes - stagit - static git page generator
 (HTM) git clone git://git.codemadness.org/stagit
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       ---
 (DIR) commit 8c45dfc58edc069a3787224f522c7f62da501a80
 (DIR) parent 175094899d7c453786857d0e5a7d2e634611aea4
 (HTM) Author: Hiltjo Posthuma <hiltjo@codemadness.org>
       Date:   Sun, 11 Nov 2018 18:09:27 +0100
       
       detect copies and renames based on the threshold of changes
       
       Diffstat:
         M stagit.c                            |       9 +++++++++
       
       1 file changed, 9 insertions(+), 0 deletions(-)
       ---
 (DIR) diff --git a/stagit.c b/stagit.c
       @@ -92,6 +92,7 @@ commitinfo_getstats(struct commitinfo *ci)
        {
                struct deltainfo *di;
                git_diff_options opts;
       +        git_diff_find_options fopts;
                const git_diff_delta *delta;
                const git_diff_hunk *hunk;
                const git_diff_line *line;
       @@ -113,6 +114,12 @@ commitinfo_getstats(struct commitinfo *ci)
                if (git_diff_tree_to_tree(&(ci->diff), repo, ci->parent_tree, ci->commit_tree, &opts))
                        goto err;
        
       +        if (git_diff_find_init_options(&fopts, GIT_DIFF_FIND_OPTIONS_VERSION))
       +                goto err;
       +        fopts.flags |= GIT_DIFF_FIND_RENAMES | GIT_DIFF_FIND_COPIES;
       +        if (git_diff_find_similar(ci->diff, &fopts))
       +                goto err;
       +
                ndeltas = git_diff_num_deltas(ci->diff);
                if (ndeltas && !(ci->deltas = calloc(ndeltas, sizeof(struct deltainfo *))))
                        err(1, "calloc");
       @@ -120,6 +127,7 @@ commitinfo_getstats(struct commitinfo *ci)
                for (i = 0; i < ndeltas; i++) {
                        if (git_patch_from_diff(&patch, ci->diff, i))
                                goto err;
       +
                        if (!(di = calloc(1, sizeof(struct deltainfo))))
                                err(1, "calloc");
                        di->patch = patch;
       @@ -460,6 +468,7 @@ printshowfile(FILE *fp, struct commitinfo *ci)
                fputs("<b>Diffstat:</b>\n<table>", fp);
                for (i = 0; i < ci->ndeltas; i++) {
                        delta = git_patch_get_delta(ci->deltas[i]->patch);
       +
                        fprintf(fp, "<tr><td><a href=\"#h%zu\">", i);
                        xmlencode(fp, delta->old_file.path, strlen(delta->old_file.path));
                        if (strcmp(delta->old_file.path, delta->new_file.path)) {