export function copyOrLinkFile(src: string, dest: string, stats?: Stats | null, isUseHardLink = _isUseHardLink): Promise<any> {
if (stats != null) {
const originalModeNumber = stats.mode
const mode = new Mode(stats)
if (mode.owner.execute) {
mode.group.execute = true
mode.others.execute = true
}
mode.group.read = true
mode.others.read = true
if (originalModeNumber !== stats.mode) {
if (debug.enabled) {
const oldMode = new Mode({mode: originalModeNumber})
debug(`${dest} permissions fixed from ${oldMode.toOctal()} (${oldMode.toString()}) to ${mode.toOctal()} (${mode.toString()})`)
}
// https://helgeklein.com/blog/2009/05/hard-links-and-permissions-acls/
// Permissions on all hard links to the same data on disk are always identical. The same applies to attributes.
// That means if you change the permissions/owner/attributes on one hard link, you will immediately see the changes on all other hard links.
if (isUseHardLink) {
isUseHardLink = false
debug(`${dest} will be copied, but not linked, because file permissions need to be fixed`)
}
}
}
if (isUseHardLink) {
return link(src, dest)
}
if (_nodeCopyFile == null) {
return new BluebirdPromise((resolve, reject) => {
const reader = createReadStream(src)
const writer = createWriteStream(dest, stats == null ? undefined : {mode: stats!!.mode})
reader.on("error", reject)
writer.on("error", reject)
writer.on("open", () => {
reader.pipe(writer)
})
writer.once("close", resolve)
})
}
else {
// node 8.5.0
return _nodeCopyFile(src, dest)
.then((): any => {
if (stats != null) {
return chmod(dest, stats.mode)
}
return null
})
}
}
export function copyOrLinkFile(src: string, dest: string, stats?: Stats | null, isUseHardLink?: boolean, exDevErrorHandler?: (() => boolean) | null): Promise<any> {
if (isUseHardLink === undefined) {
isUseHardLink = _isUseHardLink
}
if (stats != null) {
const originalModeNumber = stats.mode
const mode = new Mode(stats)
if (mode.owner.execute) {
mode.group.execute = true
mode.others.execute = true
}
mode.group.read = true
mode.others.read = true
if (originalModeNumber !== stats.mode) {
if (log.isDebugEnabled) {
const oldMode = new Mode({mode: originalModeNumber})
log.debug({file: dest, oldMode, mode}, "permissions fixed from")
}
// https://helgeklein.com/blog/2009/05/hard-links-and-permissions-acls/
// Permissions on all hard links to the same data on disk are always identical. The same applies to attributes.
// That means if you change the permissions/owner/attributes on one hard link, you will immediately see the changes on all other hard links.
if (isUseHardLink) {
isUseHardLink = false
log.debug({dest}, "copied, but not linked, because file permissions need to be fixed")
}
}
}
if (isUseHardLink) {
return link(src, dest)
.catch(e => {
if (e.code === "EXDEV") {
const isLog = exDevErrorHandler == null ? true : exDevErrorHandler()
if (isLog && log.isDebugEnabled) {
log.debug({error: e.message}, "cannot copy using hard link")
}
return doCopyFile(src, dest, stats)
}
else {
throw e
}
})
}
return doCopyFile(src, dest, stats)
}
export function copyOrLinkFile(src: string, dest: string, stats?: Stats | null, isUseHardLink = _isUseHardLink): Promise<any> {
if (stats != null) {
const originalModeNumber = stats.mode
const mode = new Mode(stats)
if (mode.owner.execute) {
mode.group.execute = true
mode.others.execute = true
}
mode.group.read = true
mode.others.read = true
if (originalModeNumber !== stats.mode) {
if (debug.enabled) {
const oldMode = new Mode({...stats, mode: originalModeNumber})
debug(`${dest} permissions fixed from ${oldMode.toOctal()} (${oldMode.toString()}) to ${mode.toOctal()} (${mode.toString()})`)
}
// https://helgeklein.com/blog/2009/05/hard-links-and-permissions-acls/
// Permissions on all hard links to the same data on disk are always identical. The same applies to attributes.
// That means if you change the permissions/owner/attributes on one hard link, you will immediately see the changes on all other hard links.
if (isUseHardLink) {
isUseHardLink = false
debug(`${dest} will be copied, but not linked, because file permissions need to be fixed`)
}
}
}
if (isUseHardLink) {
return link(src, dest)
}
return new BluebirdPromise((resolve, reject) => {
fcopy(src, dest, stats == null ? undefined : {mode: stats.mode}, error => error == null ? resolve() : reject(error))
})
}