diff options
Diffstat (limited to 'stagit.c')
| -rw-r--r-- | stagit.c | 151 |
1 files changed, 113 insertions, 38 deletions
@@ -58,6 +58,12 @@ static char description[255]; static char cloneurl[1024]; static int haslicense, hasreadme, hassubmodules; +/* cache */ +static git_oid lastoid; +static char lastoidstr[GIT_OID_HEXSZ + 2]; /* id + newline + nul byte */ +static FILE *rcachefp, *wcachefp; +static const char *cachefile; + void deltainfo_free(struct deltainfo *di) { @@ -530,13 +536,43 @@ printshowfile(FILE *fp, struct commitinfo *ci) } } +void +writelogline(FILE *fp, struct commitinfo *ci) +{ + size_t len; + + fputs("<tr><td>", fp); + if (ci->author) + printtimeshort(fp, &(ci->author->when)); + fputs("</td><td>", fp); + if (ci->summary) { + fprintf(fp, "<a href=\"%scommit/%s.html\">", relpath, ci->oid); + if ((len = strlen(ci->summary)) > summarylen) { + xmlencode(fp, ci->summary, summarylen - 1); + fputs("…", fp); + } else { + xmlencode(fp, ci->summary, len); + } + fputs("</a>", fp); + } + fputs("</td><td>", fp); + if (ci->author) + xmlencode(fp, ci->author->name, strlen(ci->author->name)); + fputs("</td><td class=\"num\">", fp); + fprintf(fp, "%zu", ci->filecount); + fputs("</td><td class=\"num\">", fp); + fprintf(fp, "+%zu", ci->addcount); + fputs("</td><td class=\"num\">", fp); + fprintf(fp, "-%zu", ci->delcount); + fputs("</td></tr>\n", fp); +} + int writelog(FILE *fp, const git_oid *oid) { struct commitinfo *ci; git_revwalk *w = NULL; git_oid id; - size_t len; char path[PATH_MAX]; FILE *fpfile; int r; @@ -546,40 +582,17 @@ writelog(FILE *fp, const git_oid *oid) git_revwalk_sorting(w, GIT_SORT_TIME); git_revwalk_simplify_first_parent(w); - fputs("<table id=\"log\"><thead>\n<tr><td>Date</td><td>Commit message</td>" - "<td>Author</td><td class=\"num\">Files</td><td class=\"num\">+</td>" - "<td class=\"num\">-</td></tr>\n</thead><tbody>\n", fp); - while (!git_revwalk_next(&id, w)) { relpath = ""; + if (cachefile && !memcmp(&id, &lastoid, sizeof(id))) + break; if (!(ci = commitinfo_getbyoid(&id))) break; - fputs("<tr><td>", fp); - if (ci->author) - printtimeshort(fp, &(ci->author->when)); - fputs("</td><td>", fp); - if (ci->summary) { - fprintf(fp, "<a href=\"%scommit/%s.html\">", relpath, ci->oid); - if ((len = strlen(ci->summary)) > summarylen) { - xmlencode(fp, ci->summary, summarylen - 1); - fputs("…", fp); - } else { - xmlencode(fp, ci->summary, len); - } - fputs("</a>", fp); - } - fputs("</td><td>", fp); - if (ci->author) - xmlencode(fp, ci->author->name, strlen(ci->author->name)); - fputs("</td><td class=\"num\">", fp); - fprintf(fp, "%zu", ci->filecount); - fputs("</td><td class=\"num\">", fp); - fprintf(fp, "+%zu", ci->addcount); - fputs("</td><td class=\"num\">", fp); - fprintf(fp, "-%zu", ci->delcount); - fputs("</td></tr>\n", fp); + writelogline(fp, ci); + if (cachefile) + writelogline(wcachefp, ci); relpath = "../"; @@ -599,8 +612,6 @@ writelog(FILE *fp, const git_oid *oid) } commitinfo_free(ci); } - fputs("</tbody></table>", fp); - git_revwalk_free(w); relpath = ""; @@ -1005,6 +1016,13 @@ joinpath(char *buf, size_t bufsiz, const char *path, const char *path2) path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); } +void +usage(char *argv0) +{ + fprintf(stderr, "%s [-c cachefile] repodir\n", argv0); + exit(1); +} + int main(int argc, char *argv[]) { @@ -1013,12 +1031,23 @@ main(int argc, char *argv[]) const git_error *e = NULL; FILE *fp, *fpread; char path[PATH_MAX], repodirabs[PATH_MAX + 1], *p; - - if (argc != 2) { - fprintf(stderr, "%s <repodir>\n", argv[0]); - return 1; + char tmppath[64] = "cache.XXXXXXXXXXXX", buf[BUFSIZ]; + size_t n; + int i, fd; + + for (i = 1; i < argc; i++) { + if (argv[i][0] != '-') { + if (repodir) + usage(argv[0]); + repodir = argv[i]; + } else if (argv[i][1] == 'c') { + if (i + 1 >= argc) + usage(argv[0]); + cachefile = argv[++i]; + } } - repodir = argv[1]; + if (!repodir) + usage(argv[0]); if (!realpath(repodir, repodirabs)) err(1, "realpath"); @@ -1088,9 +1117,51 @@ main(int argc, char *argv[]) /* log for HEAD */ fp = efopen("log.html", "w"); relpath = ""; - writeheader(fp, "Log"); mkdir("commit", 0755); - writelog(fp, head); + writeheader(fp, "Log"); + fputs("<table id=\"log\"><thead>\n<tr><td>Date</td><td>Commit message</td>" + "<td>Author</td><td class=\"num\">Files</td><td class=\"num\">+</td>" + "<td class=\"num\">-</td></tr>\n</thead><tbody>\n", fp); + + if (cachefile) { + /* read from cache file (does not need to exist) */ + if ((rcachefp = fopen(cachefile, "r"))) { + if (!fgets(lastoidstr, sizeof(lastoidstr), rcachefp)) + errx(1, "%s: no object id", cachefile); + if (git_oid_fromstr(&lastoid, lastoidstr)) + errx(1, "%s: invalid object id", cachefile); + } + + /* write log to (temporary) cache */ + if ((fd = mkstemp(tmppath)) == -1) + err(1, "mkstemp"); + if (!(wcachefp = fdopen(fd, "w"))) + err(1, "fdopen"); + /* write last commit id (HEAD) */ + git_oid_tostr(buf, sizeof(buf), head); + fprintf(wcachefp, "%s\n", buf); + + writelog(fp, head); + + if (rcachefp) { + /* append previous log to log.html and the new cache */ + while (!feof(rcachefp)) { + n = fread(buf, 1, sizeof(buf), rcachefp); + if (ferror(rcachefp)) + err(1, "fread"); + if (fwrite(buf, 1, n, fp) != n) + err(1, "fwrite"); + if (fwrite(buf, 1, n, wcachefp) != n) + err(1, "fwrite"); + } + fclose(rcachefp); + } + fclose(wcachefp); + } else { + writelog(fp, head); + } + + fputs("</tbody></table>", fp); writefooter(fp); fclose(fp); @@ -1113,6 +1184,10 @@ main(int argc, char *argv[]) writeatom(fp); fclose(fp); + /* rename new cache file on success */ + if (cachefile && rename(tmppath, cachefile)) + err(1, "rename: '%s' to '%s'", tmppath, cachefile); + /* cleanup */ git_repository_free(repo); git_libgit2_shutdown(); |