implement bzr support (revision number)

src/bzr.c

@@ -0,0 +1,33 @@
+#include <string.h>
+#include "common.h"
+#include "bzr.h"
+
+static int
+bzr_probe(vccontext_t* context)
+{
+    return isdir(".bzr");
+}
+
+static result_t*
+bzr_get_info(vccontext_t* context)
+{
+    result_t* result = init_result();
+    char buf[1024];
+
+    if (read_first_line(".bzr/branch/last-revision", buf, 1024)) {
+        debug("read first line from .bzr/branch/last-revision: '%s'", buf);
+        result->revision = strdup(buf);   /* XXX mem leak */
+        *(strchr(result->revision, ' ')) = '\0';
+    }
+    else {
+        debug("failed to read from .bzr/branch/last-revision: assuming not an bzr repo");
+        return NULL;
+    }
+
+    return result;
+}
+
+vccontext_t* get_bzr_context(options_t* options)
+{
+    return init_context("bzr", options, bzr_probe, bzr_get_info);
+}

src/bzr.h

@@ -0,0 +1,8 @@
+#ifndef BZR_H
+#define BZR_H
+
+#include "common.h"
+
+vccontext_t* get_bzr_context(options_t* options);
+
+#endif

src/vcprompt.c

@@ -9,9 +9,7 @@
 #include "git.h"
 #include "hg.h"
 #include "svn.h"
-/*
 #include "bzr.h"
-*/
 
 void parse_args(int argc, char** argv, options_t* options)
 {
@@ -165,6 +163,7 @@ int main(int argc, char** argv)
         get_git_context(&options),
         get_hg_context(&options),
         get_svn_context(&options),
+        get_bzr_context(&options),
     };
     int num_contexts = sizeof(contexts) / sizeof(vccontext_t*);