ctucx.git: nimgit

allow reading of config-values

diff --git a/nimgit.nim b/nimgit.nim
@@ -1,5 +1,5 @@
 import nimgit2
-import nimgit/[types, free, repository, objects, oid, tag, blob, tree, treeEntry, reference, revisionWalker, branch, commit]
+import nimgit/[types, free, repository, config, objects, oid, tag, blob, tree, treeEntry, reference, revisionWalker, branch, commit]
 
 export nimgit2
-export types, free, repository, objects, oid, tag, blob, tree, treeEntry, reference, revisionWalker, branch, commit
+export types, free, repository, config, objects, oid, tag, blob, tree, treeEntry, reference, revisionWalker, branch, commit

diff --git a/nimgit/config.nim b/nimgit/config.nim
@@ -0,0 +1,43 @@
+import nimgit2
+import types, free
+
+proc config* (repo: GitRepository): GitConfig =
+    let error = git_repository_config_snapshot(addr result, repo)
+
+    if error != 0:
+        free(result)
+        raise newException(CatchableError, "Load config failed: " & $error.getResultCode)
+
+
+proc get* (config: GitConfig, name: string): string =
+    var value: cstring
+    let error = git_config_get_string(addr value, config, cstring(name))
+
+    if error != 0:
+        return ""
+
+    result = $value
+
+proc getString* (config: GitConfig, name: string): string =
+    var value: cstring
+    let error = git_config_get_string(addr value, config, cstring(name))
+
+    if error != 0:
+        raise newException(CatchableError, "Config-value lookup failed: " & $error.getResultCode)
+
+    result = $value
+
+proc getBool* (config: GitConfig, name: string): bool =
+    var value: cint
+    let error = git_config_get_bool(addr value, config, cstring(name))
+
+    if error != 0:
+        raise newException(CatchableError, "Config-value lookup failed: " & $error.getResultCode)
+
+    result = cast[bool](value)
+
+proc getInt* (config: GitConfig, name: string): int64 =
+    let error = git_config_get_int64(addr result, config, cstring(name))
+
+    if error != 0:
+        raise newException(CatchableError, "Config-value lookup failed: " & $error.getResultCode)

diff --git a/nimgit/free.nim b/nimgit/free.nim
@@ -4,7 +4,7 @@ type
     NimGitTypes = git_clone_options | git_status_options | git_checkout_options |
                   git_oid | git_diff_options
 
-    GitTypes    = git_repository | git_reference | git_remote | git_tag |
+    GitTypes    = git_repository | git_config | git_reference | git_remote | git_tag |
                   git_strarray | git_object | git_commit | git_status_list |
                   git_annotated_commit | git_tree_entry | git_revwalk | git_buf |
                   git_pathspec | git_tree | git_diff | git_pathspec_match_list |

@@ -17,6 +17,8 @@ proc free* [T: GitTypes] (point: ptr T) =
     ## perform a free of a git-managed pointer
     when T is git_repository:
         git_repository_free(point)
+    elif T is git_config:
+        git_config_free(point)
     elif T is git_reference:
         git_reference_free(point)
     elif T is git_remote:

diff --git a/nimgit/types.nim b/nimgit/types.nim
@@ -3,6 +3,8 @@ import nimgit2
 
 type
     GitRepository*      = ptr git_repository
+    GitConfig*          = ptr git_config
+    GitConfigEntry*     = ptr git_config_entry
     GitObject*          = ptr git_object
     GitObjectId*        = ptr git_oid
     GitCommit*          = ptr git_commit