config.txt: move fsck.* to a separate file

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation/config.txt

@@ -331,73 +331,7 @@ include::config/format.txt[]
 
 include::config/filter.txt[]
 
-fsck.<msg-id>::
-	During fsck git may find issues with legacy data which
-	wouldn't be generated by current versions of git, and which
-	wouldn't be sent over the wire if `transfer.fsckObjects` was
-	set. This feature is intended to support working with legacy
-	repositories containing such data.
-+
-Setting `fsck.<msg-id>` will be picked up by linkgit:git-fsck[1], but
-to accept pushes of such data set `receive.fsck.<msg-id>` instead, or
-to clone or fetch it set `fetch.fsck.<msg-id>`.
-+
-The rest of the documentation discusses `fsck.*` for brevity, but the
-same applies for the corresponding `receive.fsck.*` and
-`fetch.<msg-id>.*`. variables.
-+
-Unlike variables like `color.ui` and `core.editor` the
-`receive.fsck.<msg-id>` and `fetch.fsck.<msg-id>` variables will not
-fall back on the `fsck.<msg-id>` configuration if they aren't set. To
-uniformly configure the same fsck settings in different circumstances
-all three of them they must all set to the same values.
-+
-When `fsck.<msg-id>` is set, errors can be switched to warnings and
-vice versa by configuring the `fsck.<msg-id>` setting where the
-`<msg-id>` is the fsck message ID and the value is one of `error`,
-`warn` or `ignore`. For convenience, fsck prefixes the error/warning
-with the message ID, e.g. "missingEmail: invalid author/committer line
-- missing email" means that setting `fsck.missingEmail = ignore` will
-hide that issue.
-+
-In general, it is better to enumerate existing objects with problems
-with `fsck.skipList`, instead of listing the kind of breakages these
-problematic objects share to be ignored, as doing the latter will
-allow new instances of the same breakages go unnoticed.
-+
-Setting an unknown `fsck.<msg-id>` value will cause fsck to die, but
-doing the same for `receive.fsck.<msg-id>` and `fetch.fsck.<msg-id>`
-will only cause git to warn.
-
-fsck.skipList::
-	The path to a list of object names (i.e. one unabbreviated SHA-1 per
-	line) that are known to be broken in a non-fatal way and should
-	be ignored. On versions of Git 2.20 and later comments ('#'), empty
-	lines, and any leading and trailing whitespace is ignored. Everything
-	but a SHA-1 per line will error out on older versions.
-+
-This feature is useful when an established project should be accepted
-despite early commits containing errors that can be safely ignored
-such as invalid committer email addresses.  Note: corrupt objects
-cannot be skipped with this setting.
-+
-Like `fsck.<msg-id>` this variable has corresponding
-`receive.fsck.skipList` and `fetch.fsck.skipList` variants.
-+
-Unlike variables like `color.ui` and `core.editor` the
-`receive.fsck.skipList` and `fetch.fsck.skipList` variables will not
-fall back on the `fsck.skipList` configuration if they aren't set. To
-uniformly configure the same fsck settings in different circumstances
-all three of them they must all set to the same values.
-+
-Older versions of Git (before 2.20) documented that the object names
-list should be sorted. This was never a requirement, the object names
-could appear in any order, but when reading the list we tracked whether
-the list was sorted for the purposes of an internal binary search
-implementation, which could save itself some work with an already sorted
-list. Unless you had a humongous list there was no reason to go out of
-your way to pre-sort the list. After Git version 2.20 a hash implementation
-is used instead, so there's now no reason to pre-sort the list.
+include::config/fsck.txt[]
 
 gc.aggressiveDepth::
 	The depth parameter used in the delta compression

Documentation/config/fsck.txt

@@ -0,0 +1,67 @@
+fsck.<msg-id>::
+	During fsck git may find issues with legacy data which
+	wouldn't be generated by current versions of git, and which
+	wouldn't be sent over the wire if `transfer.fsckObjects` was
+	set. This feature is intended to support working with legacy
+	repositories containing such data.
++
+Setting `fsck.<msg-id>` will be picked up by linkgit:git-fsck[1], but
+to accept pushes of such data set `receive.fsck.<msg-id>` instead, or
+to clone or fetch it set `fetch.fsck.<msg-id>`.
++
+The rest of the documentation discusses `fsck.*` for brevity, but the
+same applies for the corresponding `receive.fsck.*` and
+`fetch.<msg-id>.*`. variables.
++
+Unlike variables like `color.ui` and `core.editor` the
+`receive.fsck.<msg-id>` and `fetch.fsck.<msg-id>` variables will not
+fall back on the `fsck.<msg-id>` configuration if they aren't set. To
+uniformly configure the same fsck settings in different circumstances
+all three of them they must all set to the same values.
++
+When `fsck.<msg-id>` is set, errors can be switched to warnings and
+vice versa by configuring the `fsck.<msg-id>` setting where the
+`<msg-id>` is the fsck message ID and the value is one of `error`,
+`warn` or `ignore`. For convenience, fsck prefixes the error/warning
+with the message ID, e.g. "missingEmail: invalid author/committer line
+- missing email" means that setting `fsck.missingEmail = ignore` will
+hide that issue.
++
+In general, it is better to enumerate existing objects with problems
+with `fsck.skipList`, instead of listing the kind of breakages these
+problematic objects share to be ignored, as doing the latter will
+allow new instances of the same breakages go unnoticed.
++
+Setting an unknown `fsck.<msg-id>` value will cause fsck to die, but
+doing the same for `receive.fsck.<msg-id>` and `fetch.fsck.<msg-id>`
+will only cause git to warn.
+
+fsck.skipList::
+	The path to a list of object names (i.e. one unabbreviated SHA-1 per
+	line) that are known to be broken in a non-fatal way and should
+	be ignored. On versions of Git 2.20 and later comments ('#'), empty
+	lines, and any leading and trailing whitespace is ignored. Everything
+	but a SHA-1 per line will error out on older versions.
++
+This feature is useful when an established project should be accepted
+despite early commits containing errors that can be safely ignored
+such as invalid committer email addresses.  Note: corrupt objects
+cannot be skipped with this setting.
++
+Like `fsck.<msg-id>` this variable has corresponding
+`receive.fsck.skipList` and `fetch.fsck.skipList` variants.
++
+Unlike variables like `color.ui` and `core.editor` the
+`receive.fsck.skipList` and `fetch.fsck.skipList` variables will not
+fall back on the `fsck.skipList` configuration if they aren't set. To
+uniformly configure the same fsck settings in different circumstances
+all three of them they must all set to the same values.
++
+Older versions of Git (before 2.20) documented that the object names
+list should be sorted. This was never a requirement, the object names
+could appear in any order, but when reading the list we tracked whether
+the list was sorted for the purposes of an internal binary search
+implementation, which could save itself some work with an already sorted
+list. Unless you had a humongous list there was no reason to go out of
+your way to pre-sort the list. After Git version 2.20 a hash implementation
+is used instead, so there's now no reason to pre-sort the list.