#include #include #include #include #include #include #include #include #include "git2.h" static git_repository *repo; static const char *relpath = ""; static const char *repodir; static char name[255]; static char description[255]; static int hasreadme, haslicense; int writeheader(FILE *fp) { fputs("" "\n\n" "\n" "\n", fp); fprintf(fp, "%s%s%s\n", name, description[0] ? " - " : "", description); fprintf(fp, "\n", relpath); fprintf(fp, "\n", name, relpath); fprintf(fp, "\n", relpath); fputs("\n\n", fp); fprintf(fp, "

\"\" %s %s

\n", relpath, name, description); fprintf(fp, "Log | ", relpath); fprintf(fp, "Files", relpath); /*fprintf(fp, "| Stats", relpath);*/ if (hasreadme) fprintf(fp, " | README", relpath); if (haslicense) fprintf(fp, " | LICENSE", relpath); fputs("\n
\n
", fp);

	return 0;
}

int
writefooter(FILE *fp)
{
	return !fputs("
\n\n", fp); } FILE * efopen(const char *name, const char *flags) { FILE *fp; if (!(fp = fopen(name, flags))) err(1, "fopen"); return fp; } /* Escape characters below as HTML 2.0 / XML 1.0. */ void xmlencode(FILE *fp, const char *s, size_t len) { size_t i; for (i = 0; *s && i < len; s++, i++) { switch(*s) { case '<': fputs("<", fp); break; case '>': fputs(">", fp); break; case '\'': fputs("'", fp); break; case '&': fputs("&", fp); break; case '"': fputs(""", fp); break; default: fputc(*s, fp); } } } /* Some implementations of basename(3) return a pointer to a static * internal buffer (OpenBSD). Others modify the contents of `path` (POSIX). * This is a wrapper function that is compatible with both versions. * The program will error out if basename(3) failed, this can only happen * with the OpenBSD version. */ char * xbasename(const char *path) { char *p, *b; if (!(p = strdup(path))) err(1, "strdup"); if (!(b = basename(p))) err(1, "basename"); if (!(b = strdup(b))) err(1, "strdup"); free(p); return b; } void printtimez(FILE *fp, const git_time *intime) { struct tm *intm; time_t t; int offset, hours, minutes; char sign, out[32]; offset = intime->offset; if (offset < 0) { sign = '-'; offset = -offset; } else { sign = '+'; } hours = offset / 60; minutes = offset % 60; t = (time_t) intime->time + (intime->offset * 60); intm = gmtime(&t); strftime(out, sizeof(out), "%Y-%m-%dT%H:%M:%SZ", intm); fputs(out, fp); } void printtime(FILE *fp, const git_time *intime) { struct tm *intm; time_t t; int offset, hours, minutes; char sign, out[32]; offset = intime->offset; if (offset < 0) { sign = '-'; offset = -offset; } else { sign = '+'; } hours = offset / 60; minutes = offset % 60; t = (time_t) intime->time + (intime->offset * 60); intm = gmtime(&t); strftime(out, sizeof(out), "%a %b %e %T %Y", intm); fprintf(fp, "%s %c%02d%02d", out, sign, hours, minutes); } void printcommit(FILE *fp, git_commit *commit) { const git_signature *sig; char buf[GIT_OID_HEXSZ + 1]; int i, count; const char *msg; /* TODO: show tag when commit has it */ git_oid_tostr(buf, sizeof(buf), git_commit_id(commit)); fprintf(fp, "commit %s\n", relpath, buf, buf); if (git_oid_tostr(buf, sizeof(buf), git_commit_parent_id(commit, 0))) fprintf(fp, "parent %s\n", relpath, buf, buf); if ((count = (int)git_commit_parentcount(commit)) > 1) { fprintf(fp, "Merge:"); for (i = 0; i < count; i++) { git_oid_tostr(buf, 8, git_commit_parent_id(commit, i)); fprintf(fp, " %s", relpath, buf, buf); } fputc('\n', fp); } if ((sig = git_commit_author(commit)) != NULL) { fprintf(fp, "Author: "); xmlencode(fp, sig->name, strlen(sig->name)); fprintf(fp, " <email, strlen(sig->email)); fputs("\">", fp); xmlencode(fp, sig->email, strlen(sig->email)); fputs(">\nDate: ", fp); printtime(fp, &sig->when); fputc('\n', fp); } fputc('\n', fp); if ((msg = git_commit_message(commit))) xmlencode(fp, msg, strlen(msg)); fputc('\n', fp); } void printshowfile(git_commit *commit) { const git_diff_delta *delta = NULL; const git_diff_hunk *hunk = NULL; const git_diff_line *line = NULL; git_commit *parent = NULL; git_tree *commit_tree = NULL, *parent_tree = NULL; git_patch *patch = NULL; git_diff *diff = NULL; git_diff_stats *diffstats = NULL; git_buf diffstatsbuf; size_t i, j, k, ndeltas, nhunks = 0, nhunklines = 0; char buf[GIT_OID_HEXSZ + 1], path[PATH_MAX]; FILE *fp; int error; git_oid_tostr(buf, sizeof(buf), git_commit_id(commit)); snprintf(path, sizeof(path), "commit/%s.html", buf); fp = efopen(path, "w+b"); memset(&diffstatsbuf, 0, sizeof(diffstatsbuf)); writeheader(fp); printcommit(fp, commit); if ((error = git_commit_parent(&parent, commit, 0))) return; if ((error = git_commit_tree(&commit_tree, commit))) goto err; if ((error = git_commit_tree(&parent_tree, parent))) goto err; if ((error = git_diff_tree_to_tree(&diff, repo, parent_tree, commit_tree, NULL))) goto err; /* diff stat */ if (!git_diff_get_stats(&diffstats, diff)) { if (!git_diff_stats_to_buf(&diffstatsbuf, diffstats, GIT_DIFF_STATS_FULL | GIT_DIFF_STATS_SHORT, 80)) { fprintf(fp, "Diffstat:\n"); fputs(diffstatsbuf.ptr, fp); } git_diff_stats_free(diffstats); } fputs("
", fp); ndeltas = git_diff_num_deltas(diff); for (i = 0; i < ndeltas; i++) { if (git_patch_from_diff(&patch, diff, i)) { git_patch_free(patch); break; /* TODO: handle error */ } delta = git_patch_get_delta(patch); fprintf(fp, "diff --git a/%s b/%s\n", relpath, delta->old_file.path, delta->old_file.path, relpath, delta->new_file.path, delta->new_file.path); /* TODO: add --- and +++ lines */ #if 0 switch (delta->flags) { case GIT_DIFF_FLAG_BINARY: /* "Binary files /dev/null and b/favicon.png differ" or so */ continue; /* TODO: binary data */ case GIT_DIFF_FLAG_NOT_BINARY: break; case GIT_DIFF_FLAG_VALID_ID: break; /* TODO: check */ case GIT_DIFF_FLAG_EXISTS: break; /* TODO: check */ } #endif nhunks = git_patch_num_hunks(patch); for (j = 0; j < nhunks; j++) { if (git_patch_get_hunk(&hunk, &nhunklines, patch, j)) break; /* TODO: handle error ? */ fprintf(fp, "%s\n", hunk->header); for (k = 0; ; k++) { if (git_patch_get_line_in_hunk(&line, patch, j, k)) break; if (line->old_lineno == -1) fprintf(fp, "+", j, k, j, k); else if (line->new_lineno == -1) fprintf(fp, "-", j, k, j, k); else fputc(' ', fp); xmlencode(fp, line->content, line->content_len); if (line->old_lineno == -1 || line->new_lineno == -1) fputs("", fp); } } git_patch_free(patch); } git_diff_free(diff); writefooter(fp); fclose(fp); return; err: git_buf_free(&diffstatsbuf); fclose(fp); } int writelog(FILE *fp) { git_revwalk *w = NULL; git_oid id; git_commit *commit = NULL; const git_signature *author; git_diff_stats *stats; git_tree *commit_tree = NULL, *parent_tree = NULL; git_commit *parent = NULL; git_diff *diff = NULL; size_t i, nfiles, ndel, nadd; const char *summary; char buf[GIT_OID_HEXSZ + 1]; int error; mkdir("commit", 0755); git_revwalk_new(&w, repo); git_revwalk_push_head(w); /* TODO: also make "expanded" log ? (with message body) */ i = 0; /* DEBUG: to limit commits */ fputs("\n" "\n\n", fp); while (!git_revwalk_next(&id, w)) { /* DEBUG */ if (i++ > 100) break; relpath = ""; if (git_commit_lookup(&commit, repo, &id)) return 1; /* TODO: error */ if ((error = git_commit_parent(&parent, commit, 0))) continue; /* TODO: handle error */ if ((error = git_commit_tree(&commit_tree, commit))) continue; /* TODO: handle error */ if ((error = git_commit_tree(&parent_tree, parent))) continue; /* TODO: handle error */ if ((error = git_diff_tree_to_tree(&diff, repo, parent_tree, commit_tree, NULL))) continue; /* TODO: handle error */ if (git_diff_get_stats(&stats, diff)) continue; /* TODO: handle error */ git_oid_tostr(buf, sizeof(buf), git_commit_id(commit)); ndel = git_diff_stats_deletions(stats); nadd = git_diff_stats_insertions(stats); nfiles = git_diff_stats_files_changed(stats); /* TODO: show tag when commit has it */ /* TODO: collect stats per author and make stats.html page */ author = git_commit_author(commit); summary = git_commit_summary(commit); fputs("\n", fp); relpath = "../"; printshowfile(commit); git_diff_free(diff); git_commit_free(commit); } fprintf(fp, "
Commit messageAuthorAgeFiles+-
", fp); if (summary) { fprintf(fp, "", relpath, buf); xmlencode(fp, summary, strlen(summary)); fputs("", fp); } fputs("", fp); if (author) xmlencode(fp, author->name, strlen(author->name)); fputs("", fp); printtime(fp, &author->when); fputs("", fp); fprintf(fp, "%zu", nfiles); fputs("", fp); fprintf(fp, "+%zu", nadd); fputs("", fp); fprintf(fp, "-%zu", ndel); fputs("
"); git_revwalk_free(w); relpath = ""; return 0; } void printcommitatom(FILE *fp, git_commit *commit) { const git_signature *sig; char buf[GIT_OID_HEXSZ + 1]; int i, count; const char *msg, *summary; fputs("\n", fp); /* TODO: show tag when commit has it */ git_oid_tostr(buf, sizeof(buf), git_commit_id(commit)); fprintf(fp, "%s\n", buf); sig = git_commit_author(commit); if (sig) { fputs("", fp); printtimez(fp, &sig->when); fputs("\n", fp); } if ((summary = git_commit_summary(commit))) { fputs("", fp); xmlencode(fp, summary, strlen(summary)); fputs("\n", fp); } fputs("", fp); fprintf(fp, "commit %s\n", buf); if (git_oid_tostr(buf, sizeof(buf), git_commit_parent_id(commit, 0))) fprintf(fp, "parent %s\n", buf); if ((count = (int)git_commit_parentcount(commit)) > 1) { fprintf(fp, "Merge:"); for (i = 0; i < count; i++) { git_oid_tostr(buf, 8, git_commit_parent_id(commit, i)); fprintf(fp, " %s", buf); } fputc('\n', fp); } if (sig) { fprintf(fp, "Author: "); xmlencode(fp, sig->name, strlen(sig->name)); fprintf(fp, " <"); xmlencode(fp, sig->email, strlen(sig->email)); fprintf(fp, ">\nDate: "); printtime(fp, &sig->when); } fputc('\n', fp); if ((msg = git_commit_message(commit))) xmlencode(fp, msg, strlen(msg)); fputs("\n\n", fp); if (sig) { fputs("", fp); xmlencode(fp, sig->name, strlen(sig->name)); fputs("\n", fp); xmlencode(fp, sig->email, strlen(sig->email)); fputs("\n\n", fp); } fputs("\n", fp); } int writeatom(FILE *fp) { git_revwalk *w = NULL; git_oid id; git_commit *c = NULL; size_t i, m = 100; /* max */ fputs("\n", fp); fputs("\n", fp); xmlencode(fp, name, strlen(name)); fputs(", branch master\n", fp); xmlencode(fp, description, strlen(description)); fputs("\n", fp); git_revwalk_new(&w, repo); git_revwalk_push_head(w); for (i = 0; i < m && !git_revwalk_next(&id, w); i++) { if (git_commit_lookup(&c, repo, &id)) return 1; /* TODO: error */ printcommitatom(fp, c); git_commit_free(c); } git_revwalk_free(w); fputs("", fp); return 0; } int writefiles(FILE *fp) { git_index *index; const git_index_entry *entry; size_t count, i; git_repository_index(&index, repo); count = git_index_entrycount(index); fputs("\n\n\n", fp); for (i = 0; i < count; i++) { entry = git_index_get_byindex(index, i); fputs("\n", fp); } fputs("
ModeNameSize
", fp); fprintf(fp, "%u", entry->mode); /* TODO: fancy print, like: "-rw-r--r--" */ fprintf(fp, "path, strlen(entry->path)); fputs("\">", fp); xmlencode(fp, entry->path, strlen(entry->path)); fputs("", fp); fprintf(fp, "%" PRIu64, entry->file_size); fputs("
", fp); return 0; } void writeblobhtml(FILE *fp, const git_blob *blob) { xmlencode(fp, git_blob_rawcontent(blob), (size_t)git_blob_rawsize(blob)); } int main(int argc, char *argv[]) { git_object *obj = NULL; const git_error *e = NULL; FILE *fp, *fpread; char path[PATH_MAX], *p; int status; if (argc != 2) { fprintf(stderr, "%s \n", argv[0]); return 1; } repodir = argv[1]; git_libgit2_init(); if ((status = git_repository_open(&repo, repodir)) < 0) { e = giterr_last(); fprintf(stderr, "error %d/%d: %s\n", status, e->klass, e->message); return status; } /* use directory name as name */ p = xbasename(repodir); snprintf(name, sizeof(name), "%s", p); free(p); /* read description or .git/description */ snprintf(path, sizeof(path), "%s%s%s", repodir, repodir[strlen(repodir)] == '/' ? "" : "/", "description"); if (!(fpread = fopen(path, "r+b"))) { snprintf(path, sizeof(path), "%s%s%s", repodir, repodir[strlen(repodir)] == '/' ? "" : "/", ".git/description"); fpread = fopen(path, "r+b"); } if (fpread) { if (!fgets(description, sizeof(description), fpread)) description[0] = '\0'; fclose(fpread); } /* check LICENSE */ haslicense = !git_revparse_single(&obj, repo, "HEAD:LICENSE"); /* check README */ hasreadme = !git_revparse_single(&obj, repo, "HEAD:README"); /* read LICENSE */ if (!git_revparse_single(&obj, repo, "HEAD:LICENSE")) { fp = efopen("license.html", "w+b"); writeheader(fp); writeblobhtml(fp, (git_blob *)obj); if (ferror(fp)) err(1, "fwrite"); writefooter(fp); fclose(fp); } /* read README */ if (!git_revparse_single(&obj, repo, "HEAD:README")) { fp = efopen("readme.html", "w+b"); writeheader(fp); writeblobhtml(fp, (git_blob *)obj); if (ferror(fp)) err(1, "fwrite"); writefooter(fp); fclose(fp); } fp = efopen("log.html", "w+b"); writeheader(fp); writelog(fp); writefooter(fp); fclose(fp); fp = efopen("files.html", "w+b"); writeheader(fp); writefiles(fp); writefooter(fp); fclose(fp); /* Atom feed */ fp = efopen("atom.xml", "w+b"); writeatom(fp); fclose(fp); /* cleanup */ git_repository_free(repo); git_libgit2_shutdown(); return 0; }