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authorJunio C Hamano <gitster@pobox.com>2008-08-25 22:39:17 -0700
committerJunio C Hamano <gitster@pobox.com>2008-08-25 22:39:17 -0700
commit1e7abc593d55bc436ccd98f6815d49b13511baa1 (patch)
tree65b852977b7ddb8e4ed4f4b7e101be6a751da445 /shell.c
parentdaa0cc9a92c9c2c714aa5f7da6d0ff65b93e0698 (diff)
downloadgit-1e7abc593d55bc436ccd98f6815d49b13511baa1.tar.gz
Revert "Build-in "git-shell""
This reverts commit daa0cc9a92c9c2c714aa5f7da6d0ff65b93e0698. It was a stupid idea to do this; when run as a log-in shell, it is spawned with argv[0] set to "-git-shell", so the usual name-based dispatch would not work to begin with.
Diffstat (limited to 'shell.c')
-rw-r--r--shell.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/shell.c b/shell.c
new file mode 100644
index 0000000000..0f6a727a8c
--- /dev/null
+++ b/shell.c
@@ -0,0 +1,89 @@
+#include "cache.h"
+#include "quote.h"
+#include "exec_cmd.h"
+#include "strbuf.h"
+
+static int do_generic_cmd(const char *me, char *arg)
+{
+ const char *my_argv[4];
+
+ setup_path();
+ if (!arg || !(arg = sq_dequote(arg)))
+ die("bad argument");
+ if (prefixcmp(me, "git-"))
+ die("bad command");
+
+ my_argv[0] = me + 4;
+ my_argv[1] = arg;
+ my_argv[2] = NULL;
+
+ return execv_git_cmd(my_argv);
+}
+
+static int do_cvs_cmd(const char *me, char *arg)
+{
+ const char *cvsserver_argv[3] = {
+ "cvsserver", "server", NULL
+ };
+
+ if (!arg || strcmp(arg, "server"))
+ die("git-cvsserver only handles server: %s", arg);
+
+ setup_path();
+ return execv_git_cmd(cvsserver_argv);
+}
+
+
+static struct commands {
+ const char *name;
+ int (*exec)(const char *me, char *arg);
+} cmd_list[] = {
+ { "git-receive-pack", do_generic_cmd },
+ { "git-upload-pack", do_generic_cmd },
+ { "cvs", do_cvs_cmd },
+ { NULL },
+};
+
+int main(int argc, char **argv)
+{
+ char *prog;
+ struct commands *cmd;
+
+ /*
+ * Special hack to pretend to be a CVS server
+ */
+ if (argc == 2 && !strcmp(argv[1], "cvs server"))
+ argv--;
+
+ /*
+ * We do not accept anything but "-c" followed by "cmd arg",
+ * where "cmd" is a very limited subset of git commands.
+ */
+ else if (argc != 3 || strcmp(argv[1], "-c"))
+ die("What do you think I am? A shell?");
+
+ prog = argv[2];
+ if (!strncmp(prog, "git", 3) && isspace(prog[3]))
+ /* Accept "git foo" as if the caller said "git-foo". */
+ prog[3] = '-';
+
+ for (cmd = cmd_list ; cmd->name ; cmd++) {
+ int len = strlen(cmd->name);
+ char *arg;
+ if (strncmp(cmd->name, prog, len))
+ continue;
+ arg = NULL;
+ switch (prog[len]) {
+ case '\0':
+ arg = NULL;
+ break;
+ case ' ':
+ arg = prog + len + 1;
+ break;
+ default:
+ continue;
+ }
+ exit(cmd->exec(cmd->name, arg));
+ }
+ die("unrecognized command '%s'", prog);
+}