add $STAGIT_BASEURL environment variable to make Atom links absolute

With feedback from adc, thanks!

1 files changed, 6 insertions, 2 deletions

diff --git a/stagit.c b/stagit.c
index 98035e9..023ae55 100644
--- a/stagit.c
+++ b/stagit.c
@@ -58,6 +58,7 @@ struct referenceinfo {
 
 static git_repository *repo;
 
+static const char *baseurl = ""; /* base URL to make absolute RSS/Atom URI */
 static const char *relpath = "";
 static const char *repodir;
 
@@ -807,8 +808,8 @@ printcommitatom(FILE *fp, struct commitinfo *ci, const char *tag)
 		xmlencode(fp, ci->summary, strlen(ci->summary));
 		fputs("</title>\n", fp);
 	}
-	fprintf(fp, "<link rel=\"alternate\" type=\"text/html\" href=\"commit/%s.html\" />\n",
-	        ci->oid);
+	fprintf(fp, "<link rel=\"alternate\" type=\"text/html\" href=\"%scommit/%s.html\" />\n",
+	        baseurl, ci->oid);
 
 	if (ci->author) {
 		fputs("<author>\n<name>", fp);
@@ -1184,6 +1185,9 @@ main(int argc, char *argv[])
 	}
 #endif
 
+	if ((p = getenv("STAGIT_BASEURL")))
+		baseurl = p;
+
 	if (git_repository_open_ext(&repo, repodir,
 		GIT_REPOSITORY_OPEN_NO_SEARCH, NULL) < 0) {
 		fprintf(stderr, "%s: cannot open repository\n", argv[0]);