stagit

static git page generator
git clone git://git.2f30.org/stagit.git
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commit 7102cfd3f76ebf6f6caf774f2209000c22233d39
parent 372fe8d86e621b09dadb893b2153f643a70cab7f
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Sun Dec 20 17:11:25 +0100

add urmoms-index, initial version

Diffstat:
Makefile | 12+++++++++---
urmoms-index.1 | 14++++++++++++++
urmoms-index.c | 319+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 342 insertions(+), 3 deletions(-)
diff --git a/Makefile b/Makefile @@ -3,11 +3,14 @@ include config.mk NAME = urmoms VERSION = 0.1 SRC = \ - urmoms.c + urmoms.c\ + urmoms-index.c BIN = \ - urmoms + urmoms\ + urmoms-index MAN1 = \ - urmoms.1 + urmoms.1\ + urmoms-index.1 DOC = \ LICENSE\ README\ @@ -42,6 +45,9 @@ config.h: urmoms: urmoms.o ${CC} -o $@ urmoms.o ${LDFLAGS} +urmoms-index: urmoms-index.o + ${CC} -o $@ urmoms-index.o ${LDFLAGS} + clean: rm -f ${BIN} ${OBJ} diff --git a/urmoms-index.1 b/urmoms-index.1 @@ -0,0 +1,14 @@ +.Dd December 15, 2015 +.Dt URMOMS-INDEX 1 +.Os +.Sh NAME +.Nm urmoms-index +.Nd static git page generator (repo list) +.Sh SYNOPSIS +.Nm +.Op Ar repodir... +.Sh DESCRIPTION +.Nm +is undocumented +.Sh AUTHORS +.An Hiltjo Posthuma Aq Mt hiltjo@codemadness.org diff --git a/urmoms-index.c b/urmoms-index.c @@ -0,0 +1,319 @@ +#include <sys/stat.h> + +#include <err.h> +#include <errno.h> +#include <inttypes.h> +#include <libgen.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "config.h" +#include "git2.h" + +struct commitinfo { + const git_oid *id; + + char oid[GIT_OID_HEXSZ + 1]; + char parentoid[GIT_OID_HEXSZ + 1]; + + const git_signature *author; + const char *summary; + const char *msg; + + git_diff_stats *stats; + git_diff *diff; + git_commit *commit; + git_commit *parent; + git_tree *commit_tree; + git_tree *parent_tree; + + size_t addcount; + size_t delcount; + size_t filecount; +}; + +static git_repository *repo; + +static const char *relpath = ""; +static const char *repodir; + +static char description[255] = "Repositories"; +static char name[255]; +static char owner[255]; + +void +commitinfo_free(struct commitinfo *ci) +{ + if (!ci) + return; + + git_diff_stats_free(ci->stats); + git_diff_free(ci->diff); + git_tree_free(ci->commit_tree); + git_tree_free(ci->parent_tree); + git_commit_free(ci->commit); +} + +struct commitinfo * +commitinfo_getbyoid(const git_oid *id) +{ + struct commitinfo *ci; + git_diff_options opts; + int error; + + if (!(ci = calloc(1, sizeof(struct commitinfo)))) + err(1, "calloc"); + + ci->id = id; + if (git_commit_lookup(&(ci->commit), repo, id)) + goto err; + + /* TODO: show tags when commit has it */ + git_oid_tostr(ci->oid, sizeof(ci->oid), git_commit_id(ci->commit)); + git_oid_tostr(ci->parentoid, sizeof(ci->parentoid), git_commit_parent_id(ci->commit, 0)); + + ci->author = git_commit_author(ci->commit); + ci->summary = git_commit_summary(ci->commit); + ci->msg = git_commit_message(ci->commit); + + if ((error = git_commit_tree(&(ci->commit_tree), ci->commit))) + goto err; /* TODO: handle error */ + if (!(error = git_commit_parent(&(ci->parent), ci->commit, 0))) { + if ((error = git_commit_tree(&(ci->parent_tree), ci->parent))) + goto err; + } else { + ci->parent = NULL; + ci->parent_tree = NULL; + } + + git_diff_init_options(&opts, GIT_DIFF_OPTIONS_VERSION); + opts.flags |= GIT_DIFF_DISABLE_PATHSPEC_MATCH; + if ((error = git_diff_tree_to_tree(&(ci->diff), repo, ci->parent_tree, ci->commit_tree, &opts))) + goto err; + if (git_diff_get_stats(&(ci->stats), ci->diff)) + goto err; + + ci->addcount = git_diff_stats_insertions(ci->stats); + ci->delcount = git_diff_stats_deletions(ci->stats); + ci->filecount = git_diff_stats_files_changed(ci->stats); + + /* TODO: show tag when commit has it */ + + return ci; + +err: + commitinfo_free(ci); + free(ci); + + return NULL; +} + +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("&lt;", fp); break; + case '>': fputs("&gt;", fp); break; + case '\'': fputs("&apos;", fp); break; + case '&': fputs("&amp;", fp); break; + case '"': fputs("&quot;", 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 +printtimeformat(FILE *fp, const git_time *intime, const char *fmt) +{ + struct tm *intm; + time_t t; + char out[32]; + + t = (time_t) intime->time + (intime->offset * 60); + intm = gmtime(&t); + strftime(out, sizeof(out), fmt, intm); + fputs(out, fp); +} + +void +printtimeshort(FILE *fp, const git_time *intime) +{ + printtimeformat(fp, intime, "%Y-%m-%d %H:%M"); +} + +int +writeheader(FILE *fp) +{ + fputs("<!DOCTYPE HTML>" + "<html dir=\"ltr\" lang=\"en\">\n<head>\n" + "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\n" + "<meta http-equiv=\"Content-Language\" content=\"en\" />\n<title>", fp); + xmlencode(fp, description, strlen(description)); + fprintf(fp, "</title>\n<link rel=\"icon\" type=\"image/png\" href=\"%sfavicon.png\" />\n", relpath); + fprintf(fp, "<link rel=\"stylesheet\" type=\"text/css\" href=\"%sstyle.css\" />\n", relpath); + fputs("</head>\n<body>\n\n", fp); + fprintf(fp, "<table>\n<tr><td><img src=\"%slogo.png\" alt=\"\" width=\"32\" height=\"32\" /></td>\n" + "<td><h1>%s</h1><span class=\"desc\">%s</span></td></tr><tr><td></td><td>\n", + relpath, name, description); + fputs("</td></tr>\n</table>\n<hr/><div id=\"content\">\n" + "<table><thead>\n" + "<tr><td>Name</td><td>Description</td><td>Owner</td><td>Last commit</td></tr>" + "</thead><tbody>\n", fp); + + return 0; +} + +int +writefooter(FILE *fp) +{ + return !fputs("</tbody></table></div></body>\n</html>", fp); +} + +int +writelog(FILE *fp) +{ + struct commitinfo *ci; + git_revwalk *w = NULL; + git_oid id; + int ret = 0; + + git_revwalk_new(&w, repo); + git_revwalk_push_head(w); + git_revwalk_sorting(w, GIT_SORT_TIME); + git_revwalk_simplify_first_parent(w); + + if (git_revwalk_next(&id, w) || + !(ci = commitinfo_getbyoid(&id))) { + ret = -1; + goto err; + } + + fputs("<tr><td><a href=\"", fp); + xmlencode(fp, name, strlen(name)); + fputs("/log.html\">", fp); + xmlencode(fp, name, strlen(name)); + fputs("</a></td><td>", fp); + xmlencode(fp, description, strlen(description)); + fputs("</td><td>", fp); + xmlencode(fp, owner, strlen(owner)); + fputs("</td><td>", fp); + if (ci->author) + printtimeshort(fp, &(ci->author->when)); + fputs("</td></tr>", fp); + +err: + git_revwalk_free(w); + + return ret; +} + +int +main(int argc, char *argv[]) +{ + const git_error *e = NULL; + FILE *fp; + char path[PATH_MAX], *p; + int status; + size_t i; + + if (argc < 2) { + fprintf(stderr, "%s [repodir...]\n", argv[0]); + return 1; + } + git_libgit2_init(); + + writeheader(stdout); + + for (i = 1; i < argc; i++) { + repodir = argv[i]; + + if ((status = git_repository_open_ext(&repo, repodir, + GIT_REPOSITORY_OPEN_NO_SEARCH, NULL)) < 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 */ + description[0] = '\0'; + snprintf(path, sizeof(path), "%s%s%s", + repodir, repodir[strlen(repodir)] == '/' ? "" : "/", "description"); + if (!(fp = fopen(path, "r"))) { + snprintf(path, sizeof(path), "%s%s%s", + repodir, repodir[strlen(repodir)] == '/' ? "" : "/", ".git/description"); + fp = fopen(path, "r"); + } + if (fp) { + if (!fgets(description, sizeof(description), fp)) + description[0] = '\0'; + fclose(fp); + } + + /* read owner or .git/owner */ + owner[0] = '\0'; + snprintf(path, sizeof(path), "%s%s%s", + repodir, repodir[strlen(repodir)] == '/' ? "" : "/", "owner"); + if (!(fp = fopen(path, "r"))) { + snprintf(path, sizeof(path), "%s%s%s", + repodir, repodir[strlen(repodir)] == '/' ? "" : "/", ".git/owner"); + fp = fopen(path, "r"); + } + if (fp) { + if (!fgets(owner, sizeof(owner), fp)) + owner[0] = '\0'; + fclose(fp); + } + writelog(stdout); + } + writefooter(stdout); + + /* cleanup */ + git_repository_free(repo); + git_libgit2_shutdown(); + + return 0; +}