Add LFS Migration and Mirror (#14726)

* Implemented LFS client.

* Implemented scanning for pointer files.

* Implemented downloading of lfs files.

* Moved model-dependent code into services.

* Removed models dependency. Added TryReadPointerFromBuffer.

* Migrated code from service to module.

* Centralised storage creation.

* Removed dependency from models.

* Moved ContentStore into modules.

* Share structs between server and client.

* Moved method to services.

* Implemented lfs download on clone.

* Implemented LFS sync on clone and mirror update.

* Added form fields.

* Updated templates.

* Fixed condition.

* Use alternate endpoint.

* Added missing methods.

* Fixed typo and make linter happy.

* Detached pointer parser from gogit dependency.

* Fixed TestGetLFSRange test.

* Added context to support cancellation.

* Use ReadFull to probably read more data.

* Removed duplicated code from models.

* Moved scan implementation into pointer_scanner_nogogit.

* Changed method name.

* Added comments.

* Added more/specific log/error messages.

* Embedded lfs.Pointer into models.LFSMetaObject.

* Moved code from models to module.

* Moved code from models to module.

* Moved code from models to module.

* Reduced pointer usage.

* Embedded type.

* Use promoted fields.

* Fixed unexpected eof.

* Added unit tests.

* Implemented migration of local file paths.

* Show an error on invalid LFS endpoints.

* Hide settings if not used.

* Added LFS info to mirror struct.

* Fixed comment.

* Check LFS endpoint.

* Manage LFS settings from mirror page.

* Fixed selector.

* Adjusted selector.

* Added more tests.

* Added local filesystem migration test.

* Fixed typo.

* Reset settings.

* Added special windows path handling.

* Added unit test for HTTPClient.

* Added unit test for BasicTransferAdapter.

* Moved into util package.

* Test if LFS endpoint is allowed.

* Added support for git://

* Just use a static placeholder as the displayed url may be invalid.

* Reverted to original code.

* Added "Advanced Settings".

* Updated wording.

* Added discovery info link.

* Implemented suggestion.

* Fixed missing format parameter.

* Added Pointer.IsValid().

* Always remove model on error.

* Added suggestions.

* Use channel instead of array.

* Update routers/repo/migrate.go

* fmt

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: zeripath <art27@cantab.net>

16 files changed, 24 insertions, 0 deletions

diff --git a/integrations/gitea-repositories-meta/migration/lfs-test.git/HEAD b/integrations/gitea-repositories-meta/migration/lfs-test.git/HEAD
new file mode 100644
index 0000000000..cb089cd89a
--- /dev/null
+++ b/integrations/gitea-repositories-meta/migration/lfs-test.git/HEAD
@@ -0,0 +1 @@
+ref: refs/heads/master
diff --git a/integrations/gitea-repositories-meta/migration/lfs-test.git/config b/integrations/gitea-repositories-meta/migration/lfs-test.git/config
new file mode 100644
index 0000000000..3f8f41b6b4
--- /dev/null
+++ b/integrations/gitea-repositories-meta/migration/lfs-test.git/config
@@ -0,0 +1,7 @@
+[core]
+	bare = false
+	repositoryformatversion = 0
+	filemode = false
+	symlinks = false
+	ignorecase = true
+	logallrefupdates = true
diff --git a/integrations/gitea-repositories-meta/migration/lfs-test.git/description b/integrations/gitea-repositories-meta/migration/lfs-test.git/description
new file mode 100644
index 0000000000..498b267a8c
--- /dev/null
+++ b/integrations/gitea-repositories-meta/migration/lfs-test.git/description
@@ -0,0 +1 @@
+Unnamed repository; edit this file 'description' to name the repository.
diff --git a/integrations/gitea-repositories-meta/migration/lfs-test.git/hooks/post-checkout b/integrations/gitea-repositories-meta/migration/lfs-test.git/hooks/post-checkout
new file mode 100644
index 0000000000..cab40f2649
--- /dev/null
+++ b/integrations/gitea-repositories-meta/migration/lfs-test.git/hooks/post-checkout
@@ -0,0 +1,3 @@
+#!/bin/sh
+command -v git-lfs >/dev/null 2>&1 || { echo >&2 "\nThis repository is configured for Git LFS but 'git-lfs' was not found on your path. If you no longer wish to use Git LFS, remove this hook by deleting .git/hooks/post-checkout.\n"; exit 2; }
+git lfs post-checkout "$@"
diff --git a/integrations/gitea-repositories-meta/migration/lfs-test.git/hooks/post-commit b/integrations/gitea-repositories-meta/migration/lfs-test.git/hooks/post-commit
new file mode 100644
index 0000000000..9443f4161a
--- /dev/null
+++ b/integrations/gitea-repositories-meta/migration/lfs-test.git/hooks/post-commit
@@ -0,0 +1,3 @@
+#!/bin/sh
+command -v git-lfs >/dev/null 2>&1 || { echo >&2 "\nThis repository is configured for Git LFS but 'git-lfs' was not found on your path. If you no longer wish to use Git LFS, remove this hook by deleting .git/hooks/post-commit.\n"; exit 2; }
+git lfs post-commit "$@"
diff --git a/integrations/gitea-repositories-meta/migration/lfs-test.git/hooks/post-merge b/integrations/gitea-repositories-meta/migration/lfs-test.git/hooks/post-merge
new file mode 100644
index 0000000000..828b70891e
--- /dev/null
+++ b/integrations/gitea-repositories-meta/migration/lfs-test.git/hooks/post-merge
@@ -0,0 +1,3 @@
+#!/bin/sh
+command -v git-lfs >/dev/null 2>&1 || { echo >&2 "\nThis repository is configured for Git LFS but 'git-lfs' was not found on your path. If you no longer wish to use Git LFS, remove this hook by deleting .git/hooks/post-merge.\n"; exit 2; }
+git lfs post-merge "$@"
diff --git a/integrations/gitea-repositories-meta/migration/lfs-test.git/hooks/pre-push b/integrations/gitea-repositories-meta/migration/lfs-test.git/hooks/pre-push
new file mode 100644
index 0000000000..81a9cc6398
--- /dev/null
+++ b/integrations/gitea-repositories-meta/migration/lfs-test.git/hooks/pre-push
@@ -0,0 +1,3 @@
+#!/bin/sh
+command -v git-lfs >/dev/null 2>&1 || { echo >&2 "\nThis repository is configured for Git LFS but 'git-lfs' was not found on your path. If you no longer wish to use Git LFS, remove this hook by deleting .git/hooks/pre-push.\n"; exit 2; }
+git lfs pre-push "$@"
diff --git a/integrations/gitea-repositories-meta/migration/lfs-test.git/index b/integrations/gitea-repositories-meta/migration/lfs-test.git/index
new file mode 100644
index 0000000000..13f8e26966
--- /dev/null
+++ b/integrations/gitea-repositories-meta/migration/lfs-test.git/index
diff --git a/integrations/gitea-repositories-meta/migration/lfs-test.git/lfs/objects/d6/f1/d6f175817f886ec6fbbc1515326465fa96c3bfd54a4ea06cfd6dbbd8340e0152 b/integrations/gitea-repositories-meta/migration/lfs-test.git/lfs/objects/d6/f1/d6f175817f886ec6fbbc1515326465fa96c3bfd54a4ea06cfd6dbbd8340e0152
new file mode 100644
index 0000000000..e9b0a4e8a0
--- /dev/null
+++ b/integrations/gitea-repositories-meta/migration/lfs-test.git/lfs/objects/d6/f1/d6f175817f886ec6fbbc1515326465fa96c3bfd54a4ea06cfd6dbbd8340e0152
@@ -0,0 +1 @@
+dummy2
\ No newline at end of file
diff --git a/integrations/gitea-repositories-meta/migration/lfs-test.git/lfs/objects/fb/8f/fb8f7d8435968c4f82a726a92395be4d16f2f63116caf36c8ad35c60831ab041 b/integrations/gitea-repositories-meta/migration/lfs-test.git/lfs/objects/fb/8f/fb8f7d8435968c4f82a726a92395be4d16f2f63116caf36c8ad35c60831ab041
new file mode 100644
index 0000000000..71676cd9c0
--- /dev/null
+++ b/integrations/gitea-repositories-meta/migration/lfs-test.git/lfs/objects/fb/8f/fb8f7d8435968c4f82a726a92395be4d16f2f63116caf36c8ad35c60831ab041
@@ -0,0 +1 @@
+dummy1
\ No newline at end of file
diff --git a/integrations/gitea-repositories-meta/migration/lfs-test.git/objects/54/6244003622c64b2fc3c2cd544d7a29882c8383 b/integrations/gitea-repositories-meta/migration/lfs-test.git/objects/54/6244003622c64b2fc3c2cd544d7a29882c8383
new file mode 100644
index 0000000000..0db52afbca
--- /dev/null
+++ b/integrations/gitea-repositories-meta/migration/lfs-test.git/objects/54/6244003622c64b2fc3c2cd544d7a29882c8383
diff --git a/integrations/gitea-repositories-meta/migration/lfs-test.git/objects/6a/6ccf5d874fec134ee712572cc03a0f2dd7afec b/integrations/gitea-repositories-meta/migration/lfs-test.git/objects/6a/6ccf5d874fec134ee712572cc03a0f2dd7afec
new file mode 100644
index 0000000000..8a96927e57
--- /dev/null
+++ b/integrations/gitea-repositories-meta/migration/lfs-test.git/objects/6a/6ccf5d874fec134ee712572cc03a0f2dd7afec
diff --git a/integrations/gitea-repositories-meta/migration/lfs-test.git/objects/a6/7134b8484c2abe9fa954e1fd83b39b271383ed b/integrations/gitea-repositories-meta/migration/lfs-test.git/objects/a6/7134b8484c2abe9fa954e1fd83b39b271383ed
new file mode 100644
index 0000000000..122f87efcc
--- /dev/null
+++ b/integrations/gitea-repositories-meta/migration/lfs-test.git/objects/a6/7134b8484c2abe9fa954e1fd83b39b271383ed
diff --git a/integrations/gitea-repositories-meta/migration/lfs-test.git/objects/b7/01ed6ffe410f0c3ac204b929ea47cfec6cef54 b/integrations/gitea-repositories-meta/migration/lfs-test.git/objects/b7/01ed6ffe410f0c3ac204b929ea47cfec6cef54
new file mode 100644
index 0000000000..554b7f05b0
--- /dev/null
+++ b/integrations/gitea-repositories-meta/migration/lfs-test.git/objects/b7/01ed6ffe410f0c3ac204b929ea47cfec6cef54
diff --git a/integrations/gitea-repositories-meta/migration/lfs-test.git/objects/f2/07b74f55cd7f9e800b7550d587cbc488f6eaf1 b/integrations/gitea-repositories-meta/migration/lfs-test.git/objects/f2/07b74f55cd7f9e800b7550d587cbc488f6eaf1
new file mode 100644
index 0000000000..ae6fdce5a2
--- /dev/null
+++ b/integrations/gitea-repositories-meta/migration/lfs-test.git/objects/f2/07b74f55cd7f9e800b7550d587cbc488f6eaf1
diff --git a/integrations/gitea-repositories-meta/migration/lfs-test.git/refs/heads/master b/integrations/gitea-repositories-meta/migration/lfs-test.git/refs/heads/master
new file mode 100644
index 0000000000..cd602fb935
--- /dev/null
+++ b/integrations/gitea-repositories-meta/migration/lfs-test.git/refs/heads/master
@@ -0,0 +1 @@
+546244003622c64b2fc3c2cd544d7a29882c8383