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package git
/*
#include <git2.h>
git_checkout_opts git_checkout_opts_init() {
git_checkout_opts ret = GIT_CHECKOUT_OPTS_INIT;
return ret;
}
*/
import "C"
import (
"runtime"
"os"
)
type CheckoutStrategy uint
const (
CheckoutNone CheckoutStrategy = C.GIT_CHECKOUT_NONE // Dry run, no actual updates
CheckoutSafe = C.GIT_CHECKOUT_SAFE // Allow safe updates that cannot overwrite uncommitted data
CheckoutSafeCreate = C.GIT_CHECKOUT_SAFE_CREATE // Allow safe updates plus creation of missing files
CheckoutForce = C.GIT_CHECKOUT_FORCE // Allow all updates to force working directory to look like index
CheckoutAllowConflicts = C.GIT_CHECKOUT_ALLOW_CONFLICTS // Allow checkout to make safe updates even if conflicts are found
CheckoutRemoveUntracked = C.GIT_CHECKOUT_REMOVE_UNTRACKED // Remove untracked files not in index (that are not ignored)
CheckoutRemoveIgnored = C.GIT_CHECKOUT_REMOVE_IGNORED // Remove ignored files not in index
CheckotUpdateOnly = C.GIT_CHECKOUT_UPDATE_ONLY // Only update existing files, don't create new ones
CheckoutDontUpdateIndex = C.GIT_CHECKOUT_DONT_UPDATE_INDEX // Normally checkout updates index entries as it goes; this stops that
CheckoutNoRefresh = C.GIT_CHECKOUT_NO_REFRESH // Don't refresh index/config/etc before doing checkout
CheckooutDisablePathspecMatch = C.GIT_CHECKOUT_DISABLE_PATHSPEC_MATCH // Treat pathspec as simple list of exact match file paths
CheckoutSkipUnmerged = C.GIT_CHECKOUT_SKIP_UNMERGED // Allow checkout to skip unmerged files (NOT IMPLEMENTED)
CheckoutUserOurs = C.GIT_CHECKOUT_USE_OURS // For unmerged files, checkout stage 2 from index (NOT IMPLEMENTED)
CheckoutUseTheirs = C.GIT_CHECKOUT_USE_THEIRS // For unmerged files, checkout stage 3 from index (NOT IMPLEMENTED)
CheckoutUpdateSubmodules = C.GIT_CHECKOUT_UPDATE_SUBMODULES // Recursively checkout submodules with same options (NOT IMPLEMENTED)
CheckoutUpdateSubmodulesIfChanged = C.GIT_CHECKOUT_UPDATE_SUBMODULES_IF_CHANGED // Recursively checkout submodules if HEAD moved in super repo (NOT IMPLEMENTED)
)
type CheckoutOpts struct {
Strategy CheckoutStrategy // Default will be a dry run
DisableFilters bool // Don't apply filters like CRLF conversion
DirMode os.FileMode // Default is 0755
FileMode os.FileMode // Default is 0644 or 0755 as dictated by blob
FileOpenFlags int // Default is O_CREAT | O_TRUNC | O_WRONLY
}
// Convert the CheckoutOpts struct to the corresponding C-struct
func populateCheckoutOpts(ptr *C.git_checkout_opts, opts *CheckoutOpts) {
*ptr = C.git_checkout_opts_init()
if opts == nil {
return
}
ptr.checkout_strategy = C.uint(opts.Strategy)
ptr.disable_filters = cbool(opts.DisableFilters)
ptr.dir_mode = C.uint(opts.DirMode.Perm())
ptr.file_mode = C.uint(opts.FileMode.Perm())
}
// Updates files in the index and the working tree to match the content of
// the commit pointed at by HEAD.
func (v *Repository) Checkout(opts *CheckoutOpts) error {
var copts C.git_checkout_opts
populateCheckoutOpts(&copts, opts)
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_checkout_head(v.ptr, &copts)
if ret < 0 {
return LastError()
}
return nil
}
// Updates files in the working tree to match the content of the index.
func (v *Repository) CheckoutIndex(index *Index, opts *CheckoutOpts) error {
var copts C.git_checkout_opts
populateCheckoutOpts(&copts, opts)
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_checkout_index(v.ptr, index.ptr, &copts)
if ret < 0 {
return LastError()
}
return nil
}
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