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author | Hiltjo Posthuma <[email protected]> | 2015-12-26 21:05:55 +0100 |
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committer | Hiltjo Posthuma <[email protected]> | 2015-12-26 21:05:55 +0100 |
commit | 81dd454368b40eabf62fede213626d45512150a2 (patch) | |
tree | 7532265d577223de13a2f396bffa7839008f7377 /stagit-index.c | |
parent | 8c58750b636edc4ee36aff62d7c126f99b803dbb (diff) | |
download | stagit-81dd454368b40eabf62fede213626d45512150a2.tar.gz stagit-81dd454368b40eabf62fede213626d45512150a2.zip |
rename urmoms to stagit, improve documentation
Diffstat (limited to 'stagit-index.c')
-rw-r--r-- | stagit-index.c | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/stagit-index.c b/stagit-index.c new file mode 100644 index 0000000..356f08c --- /dev/null +++ b/stagit-index.c @@ -0,0 +1,235 @@ +#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 <git2.h> + +#include "compat.h" +#include "config.h" + +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]; + +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 +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", 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 id=\"index\"><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) +{ + git_commit *commit = NULL; + const git_signature *author; + 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) || + git_commit_lookup(&commit, repo, &id)) { + ret = -1; + goto err; + } + + author = git_commit_author(commit); + + 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 (author) + printtimeshort(fp, &(author->when)); + fputs("</td></tr>", fp); + + git_commit_free(commit); +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 i, status; + + 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; +} |