stagit-gopher

static git page generator for gopher
git clone git://git.2f30.org/stagit-gopher.git
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commit a95a439aaa7d048c25e988b0d9770f5040f0a17f
parent 04eeb7f000b14af31b9923ea7216edcaf0915586
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Mon Dec  7 14:07:58 +0100

initial diff support, fix log link

Diffstat:
urmoms.c | 244+++++++++++++++++++++++++++++++++++++++++++++++++++++++++----------------------
1 file changed, 176 insertions(+), 68 deletions(-)
diff --git a/urmoms.c b/urmoms.c @@ -1,3 +1,5 @@ +#include <sys/stat.h> + #include <err.h> #include <libgen.h> #include <limits.h> @@ -9,13 +11,48 @@ static git_repository *repo; -static const char *relpath; -static const char *repodir = "."; +static const char *relpath = ""; +static const char *repodir; static char name[255]; static char description[255]; static int hasreadme, haslicense; +int +writeheader(FILE *fp) +{ + fprintf(fp, "<!DOCTYPE HTML>" + "<html dir=\"ltr\" lang=\"en\"><head>" + "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />" + "<meta http-equiv=\"Content-Language\" content=\"en\" />"); + fprintf(fp, "<title>%s%s%s</title>", name, description[0] ? " - " : "", description); + fprintf(fp, "<link rel=\"icon\" type=\"image/png\" href=\"%sfavicon.png\" />", relpath); + fprintf(fp, "<link rel=\"alternate\" type=\"application/atom+xml\" title=\"%s Atom Feed\" href=\"%satom.xml\" />", + name, relpath); + fprintf(fp, "<link rel=\"stylesheet\" type=\"text/css\" href=\"style.css\" />" + "</head><body><center>"); + fprintf(fp, "<h1><img src=\"%slogo.png\" alt=\"\" /> %s</h1>", relpath, name); + fprintf(fp, "<span class=\"desc\">%s</span><br/>", description); + fprintf(fp, "<a href=\"%slog.html\">Log</a> |", relpath); + fprintf(fp, "<a href=\"%sfiles.html\">Files</a>| ", relpath); + fprintf(fp, "<a href=\"%sstats.html\">Stats</a>", relpath); + if (hasreadme) + fprintf(fp, " | <a href=\"%sreadme.html\">README</a>", relpath); + if (haslicense) + fprintf(fp, " | <a href=\"%slicense.html\">LICENSE</a>", relpath); + fprintf(fp, "</center><hr/><pre>"); + + return 0; +} + +int +writefooter(FILE *fp) +{ + fprintf(fp, "</pre></body></html>"); + + return 0; +} + FILE * efopen(const char *name, const char *flags) { @@ -67,8 +104,8 @@ xbasename(const char *path) return b; } -static void -printtime(FILE *fp, const git_time *intime, const char *prefix) +void +printtime(FILE *fp, const git_time *intime) { struct tm *intm; time_t t; @@ -91,10 +128,10 @@ printtime(FILE *fp, const git_time *intime, const char *prefix) intm = gmtime(&t); strftime(out, sizeof(out), "%a %b %e %T %Y", intm); - fprintf(fp, "%s%s %c%02d%02d\n", prefix, out, sign, hours, minutes); + fprintf(fp, "%s %c%02d%02d\n", out, sign, hours, minutes); } -static void +void printcommit(FILE *fp, git_commit *commit) { const git_signature *sig; @@ -103,22 +140,31 @@ printcommit(FILE *fp, git_commit *commit) const char *scan, *eol; git_oid_tostr(buf, sizeof(buf), git_commit_id(commit)); - fprintf(fp, "commit <a href=\"commit/%s.html\">%s</a>\n", buf, buf); + fprintf(fp, "commit <a href=\"%scommit/%s.html\">%s</a>\n", + relpath, buf, buf); + + if (git_oid_tostr(buf, sizeof(buf), git_commit_parent_id(commit, 0))) + fprintf(fp, "parent <a href=\"%scommit/%s.html\">%s</a>\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", buf); + fprintf(fp, " <a href=\"%scommit/%s.html\">%s</a>", + relpath, buf, buf); } - fprintf(fp, "\n"); + fputc('\n', fp); } if ((sig = git_commit_author(commit)) != NULL) { - fprintf(fp, "Author: <a href=\"author/%s.html\">%s</a> <%s>\n", - sig->name, sig->name, sig->email); - printtime(fp, &sig->when, "Date: "); + fprintf(fp, "Author: "); + xmlencode(fp, sig->name, strlen(sig->name)); + fprintf(fp, " &lt;"); + xmlencode(fp, sig->email, strlen(sig->email)); + fprintf(fp, "&gt;\nDate: "); + printtime(fp, &sig->when); } - fprintf(fp, "\n"); + fputc('\n', fp); for (scan = git_commit_message(commit); scan && *scan;) { for (eol = scan; *eol && *eol != '\n'; ++eol) /* find eol */ @@ -127,79 +173,131 @@ printcommit(FILE *fp, git_commit *commit) fprintf(fp, " %.*s\n", (int) (eol - scan), scan); scan = *eol ? eol + 1 : NULL; } - fprintf(fp, "\n"); + fputc('\n', fp); } -static void -printcommitdiff(FILE *fp, git_commit *commit) +void +printshowfile(git_commit *commit) { - const git_signature *sig; - char buf[GIT_OID_HEXSZ + 1]; - int i, count; - const char *scan, *eol; + 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; + 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)); - fprintf(fp, "commit <a href=\"commit/%s.html\">%s</a>\n", 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", buf); + snprintf(path, sizeof(path), "commit/%s.html", buf); + fp = efopen(path, "w+b"); + + writeheader(fp); + printcommit(fp, commit); + + error = git_commit_parent(&parent, commit, 0); + if (error) + return; + + error = git_commit_tree(&commit_tree, commit); + if (error) + return; + error = git_commit_tree(&parent_tree, parent); + if (error) + return; + + error = git_diff_tree_to_tree(&diff, repo, commit_tree, parent_tree, NULL); + if (error) + return; + + /* TODO: diff stat (files list and insertions/deletions) */ + + 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 */ } - fprintf(fp, "\n"); - } - if ((sig = git_commit_author(commit)) != NULL) { - fprintf(fp, "Author: <a href=\"author/%s.html\">%s</a> <%s>\n", - sig->name, sig->name, sig->email); - printtime(fp, &sig->when, "Date: "); - } - fprintf(fp, "\n"); - for (scan = git_commit_message(commit); scan && *scan;) { - for (eol = scan; *eol && *eol != '\n'; ++eol) /* find eol */ - ; + delta = git_patch_get_delta(patch); + fprintf(fp, "diff --git a/<a href=\"%s%s\">%s</a> b/<a href=\"%s%s\">%s</a>\n", + relpath, delta->old_file.path, delta->old_file.path, + relpath, delta->new_file.path, delta->new_file.path); - fprintf(fp, " %.*s\n", (int) (eol - scan), scan); - scan = *eol ? eol + 1 : NULL; +#if 0 + switch (delta->flags) { + case GIT_DIFF_FLAG_BINARY: 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) + fputc('+', fp); + else if (line->new_lineno == -1) + fputc('-', fp); + else + fputc(' ', fp); + xmlencode(fp, line->content, line->content_len); + } + } + git_patch_free(patch); } - fprintf(fp, "\n"); + git_diff_free(diff); + + writefooter(fp); + fclose(fp); } int -writeheader(FILE *fp) +writelog(FILE *fp) { - fprintf(fp, "<!DOCTYPE HTML>" - "<html dir=\"ltr\" lang=\"en\"><head>" - "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />" - "<meta http-equiv=\"Content-Language\" content=\"en\" />"); - fprintf(fp, "<title>%s%s%s</title>", name, description[0] ? " - " : "", description); - fprintf(fp, "<link rel=\"stylesheet\" type=\"text/css\" href=\"style.css\" />" - "</head><body><center>"); - fprintf(fp, "<h1><img src=\"%slogo.png\" alt=\"\" /> %s</h1>", relpath, name); - fprintf(fp, "<span class=\"desc\">%s</span><br/>", description); - fprintf(fp, "<a href=\"%slog.html\">Log</a> |", relpath); - fprintf(fp, "<a href=\"%sfiles.html\">Files</a>| ", relpath); - fprintf(fp, "<a href=\"%sstats.html\">Stats</a>", relpath); - if (hasreadme) - fprintf(fp, " | <a href=\"%sreadme.html\">README</a>", relpath); - if (haslicense) - fprintf(fp, " | <a href=\"%slicense.html\">LICENSE</a>", relpath); - fprintf(fp, "</center><hr/><pre>"); + git_revwalk *w = NULL; + git_oid id; + git_commit *c = NULL; + size_t i; - return 0; -} + mkdir("commit", 0755); -int -writefooter(FILE *fp) -{ - fprintf(fp, "</pre></body></html>"); + git_revwalk_new(&w, repo); + git_revwalk_push_head(w); + + i = 0; + while (!git_revwalk_next(&id, w)) { + if (git_commit_lookup(&c, repo, &id)) + return 1; /* TODO: error */ + printcommit(fp, c); + printshowfile(c); + git_commit_free(c); + + /* DEBUG */ + i++; + if (i > 100) + break; + } + git_revwalk_free(w); return 0; } +#if 0 int -writelog(FILE *fp) +writeatom(FILE *fp) { git_revwalk *w = NULL; git_oid id; @@ -210,14 +308,16 @@ writelog(FILE *fp) while (!git_revwalk_next(&id, w)) { if (git_commit_lookup(&c, repo, &id)) - return 1; + return 1; /* TODO: error */ printcommit(fp, c); + printshowfile(c); git_commit_free(c); } git_revwalk_free(w); return 0; } +#endif int writefiles(FILE *fp) @@ -251,7 +351,9 @@ writebranches(FILE *fp) git_branch_iterator_new(&branchit, repo, GIT_BRANCH_LOCAL); while ((status = git_branch_next(&branchref, &branchtype, branchit)) == GIT_ITEROVER) { - git_reference_normalize_name(branchbuf, sizeof(branchbuf), git_reference_name(branchref), GIT_REF_FORMAT_ALLOW_ONELEVEL | GIT_REF_FORMAT_REFSPEC_SHORTHAND); + git_reference_normalize_name(branchbuf, sizeof(branchbuf), + git_reference_name(branchref), + GIT_REF_FORMAT_ALLOW_ONELEVEL | GIT_REF_FORMAT_REFSPEC_SHORTHAND); /* fprintf(fp, "branch: |%s|\n", branchbuf); */ } @@ -337,12 +439,18 @@ main(int argc, char *argv[]) hasreadme = 1; } - fp = efopen("logs.html", "w+b"); + fp = efopen("log.html", "w+b"); writeheader(fp); writelog(fp); writefooter(fp); fclose(fp); +#if 0 + fp = efopen("atom.xml", "w+b"); + writeatom(fp); + fclose(fp); +#endif + fp = efopen("files.html", "w+b"); writeheader(fp); writefiles(fp);