Add support for 'remove-suffix' option

When this option is enabled, the '.git' suffix of repository directories
found while processing the 'scan-path' option will be removed.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>

cgit.c

@@ -205,6 +205,8 @@ void config_cb(const char *name, const char *value)
 		ctx.cfg.agefile = xstrdup(value);
 	else if (!strcmp(name, "renamelimit"))
 		ctx.cfg.renamelimit = atoi(value);
+	else if (!strcmp(name, "remove-suffix"))
+		ctx.cfg.remove_suffix = atoi(value);
 	else if (!strcmp(name, "robots"))
 		ctx.cfg.robots = xstrdup(value);
 	else if (!strcmp(name, "clone-prefix"))
@@ -302,6 +304,7 @@ static void prepare_context(struct cgit_context *ctx)
 	ctx->cfg.module_link = "./?repo=%s&page=commit&id=%s";
 	ctx->cfg.project_list = NULL;
 	ctx->cfg.renamelimit = -1;
+	ctx->cfg.remove_suffix = 0;
 	ctx->cfg.robots = "index, nofollow";
 	ctx->cfg.root_title = "Git repository browser";
 	ctx->cfg.root_desc = "a fast webinterface for the git dscm";

cgit.h

@@ -202,6 +202,7 @@ struct cgit_config {
 	int noplainemail;
 	int noheader;
 	int renamelimit;
+	int remove_suffix;
 	int snapshots;
 	int summary_branches;
 	int summary_log;

cgitrc.5.txt

@@ -229,6 +229,11 @@ project-list::
 	should loaded as git repositories. This must be defined prior to
 	scan-path. Default value: none. See also: scan-path.
 
+remove-suffix::
+	If set to "1" and scan-path is enabled, if any repositories are found
+	with a suffix of ".git", this suffix will be removed for the url and
+	name. Default value: "0". See also: scan-path.
+
 renamelimit::
 	Maximum number of files to consider when detecting renames. The value
 	 "-1" uses the compiletime value in git (for further info, look at
@@ -538,3 +543,4 @@ will generate the following html element:
 AUTHOR
 ------
 Lars Hjemli <hjemli@gmail.com>
+Jason A. Donenfeld <Jason@zx2c4.com>

scan-tree.c

@@ -81,6 +81,9 @@ static void add_repo(const char *base, const char *path, repo_config_fn fn)
 		p[strlen(p) - 5] = '\0';
 
 	repo = cgit_add_repo(xstrdup(p));
+	if (ctx.cfg.remove_suffix)
+		if ((p = strrchr(repo->url, '.')) && !strcmp(p, ".git"))
+			*p = '\0';
 	repo->name = repo->url;
 	repo->path = xstrdup(path);
 	p = (pwd && pwd->pw_gecos) ? strchr(pwd->pw_gecos, ',') : NULL;