nimble/src/nimble.nim
2016-11-21 21:14:28 +13:00

1005 lines
36 KiB
Nim

# Copyright (C) Dominik Picheta. All rights reserved.
# BSD License. Look at license.txt for more info.
import httpclient, parseopt, os, strutils, osproc, pegs, tables, parseutils,
strtabs, json, algorithm, sets, uri
from sequtils import toSeq
import nimblepkg/packageinfo, nimblepkg/version, nimblepkg/tools,
nimblepkg/download, nimblepkg/config, nimblepkg/common,
nimblepkg/publish, nimblepkg/options, nimblepkg/packageparser
import nimblepkg/nimscriptsupport
when not defined(windows):
from posix import getpid
else:
# This is just for Win XP support.
# TODO: Drop XP support?
from winlean import WINBOOL, DWORD
type
OSVERSIONINFO* {.final, pure.} = object
dwOSVersionInfoSize*: DWORD
dwMajorVersion*: DWORD
dwMinorVersion*: DWORD
dwBuildNumber*: DWORD
dwPlatformId*: DWORD
szCSDVersion*: array[0..127, char]
proc GetVersionExA*(VersionInformation: var OSVERSIONINFO): WINBOOL{.stdcall,
dynlib: "kernel32", importc: "GetVersionExA".}
proc writeVersion() =
echo("nimble v$# compiled at $# $#" %
[nimbleVersion, CompileDate, CompileTime])
quit(QuitSuccess)
proc promptCustom(question, default: string): string =
if default == "":
stdout.write(question, ": ")
let user = stdin.readLine()
if user.len == 0: return promptCustom(question, default)
else: return user
else:
stdout.write(question, " [", default, "]: ")
let user = stdin.readLine()
if user == "": return default
else: return user
proc update(options: Options) =
## Downloads the package list from the specified URL.
##
## If the download is not successful, an exception is raised.
let parameter =
if options.action.typ == actionRefresh:
options.action.optionalURL
else:
""
proc downloadList(list: PackageList, options: Options) =
echo("Downloading \"", list.name, "\" package list")
for i in 0 .. <list.urls.len:
let url = list.urls[i]
echo("Trying ", url, "...")
let tempPath = options.getNimbleDir() / "packages_temp.json"
# Grab the proxy
let proxy = getProxy(options)
if not proxy.isNil:
var maskedUrl = proxy.url
if maskedUrl.password.len > 0: maskedUrl.password = "***"
echo("Using proxy ", maskedUrl)
try:
downloadFile(url, tempPath, proxy = getProxy(options))
except:
if i == <list.urls.len:
raise
echo("Could not download: ", getCurrentExceptionMsg())
continue
if not validatePackagesList(tempPath):
echo("Downloaded packages.json file is invalid, discarding.")
continue
copyFile(tempPath,
options.getNimbleDir() / "packages_$1.json" % list.name.toLower())
echo("Done.")
break
if parameter.isUrl:
downloadList(PackageList(name: "commandline", urls: @[parameter]), options)
else:
# Try each package list in config
for name, list in options.config.packageLists:
downloadList(list, options)
proc checkInstallFile(pkgInfo: PackageInfo,
origDir, file: string): bool =
## Checks whether ``file`` should be installed.
## ``True`` means file should be skipped.
for ignoreFile in pkgInfo.skipFiles:
if ignoreFile.endswith("nimble"):
raise newException(NimbleError, ignoreFile & " must be installed.")
if samePaths(file, origDir / ignoreFile):
result = true
break
for ignoreExt in pkgInfo.skipExt:
if file.splitFile.ext == ('.' & ignoreExt):
result = true
break
if file.splitFile().name[0] == '.': result = true
proc checkInstallDir(pkgInfo: PackageInfo,
origDir, dir: string): bool =
## Determines whether ``dir`` should be installed.
## ``True`` means dir should be skipped.
for ignoreDir in pkgInfo.skipDirs:
if samePaths(dir, origDir / ignoreDir):
result = true
break
let thisDir = splitPath(dir).tail
assert thisDir != ""
if thisDir[0] == '.': result = true
if thisDir == "nimcache": result = true
proc copyWithExt(origDir, currentDir, dest: string,
pkgInfo: PackageInfo): seq[string] =
## Returns the filenames of the files that have been copied
## (their destination).
result = @[]
for kind, path in walkDir(currentDir):
if kind == pcDir:
result.add copyWithExt(origDir, path, dest, pkgInfo)
else:
for iExt in pkgInfo.installExt:
if path.splitFile.ext == ('.' & iExt):
createDir(changeRoot(origDir, dest, path).splitFile.dir)
result.add copyFileD(path, changeRoot(origDir, dest, path))
proc copyFilesRec(origDir, currentDir, dest: string,
options: Options, pkgInfo: PackageInfo): HashSet[string] =
## Copies all the required files, skips files specified in the .nimble file
## (PackageInfo).
## Returns a list of filepaths to files which have been installed.
result = initSet[string]()
let whitelistMode =
pkgInfo.installDirs.len != 0 or
pkgInfo.installFiles.len != 0 or
pkgInfo.installExt.len != 0
if whitelistMode:
for file in pkgInfo.installFiles:
let src = origDir / file
if not src.existsFile():
if options.prompt("Missing file " & src & ". Continue?"):
continue
else:
quit(QuitSuccess)
createDir(dest / file.splitFile.dir)
result.incl copyFileD(src, dest / file)
for dir in pkgInfo.installDirs:
# TODO: Allow skipping files inside dirs?
let src = origDir / dir
if not src.existsDir():
if options.prompt("Missing directory " & src & ". Continue?"):
continue
else:
quit(QuitSuccess)
result.incl copyDirD(origDir / dir, dest / dir)
result.incl copyWithExt(origDir, currentDir, dest, pkgInfo)
else:
for kind, file in walkDir(currentDir):
if kind == pcDir:
let skip = pkgInfo.checkInstallDir(origDir, file)
if skip: continue
# Create the dir.
createDir(changeRoot(origDir, dest, file))
result.incl copyFilesRec(origDir, file, dest, options, pkgInfo)
else:
let skip = pkgInfo.checkInstallFile(origDir, file)
if skip: continue
result.incl copyFileD(file, changeRoot(origDir, dest, file))
result.incl copyFileD(pkgInfo.mypath,
changeRoot(pkgInfo.mypath.splitFile.dir, dest, pkgInfo.mypath))
proc saveNimbleData(options: Options) =
# TODO: This file should probably be locked.
writeFile(options.getNimbleDir() / "nimbledata.json",
pretty(options.nimbleData))
proc addRevDep(options: Options, dep: tuple[name, version: string],
pkg: PackageInfo) =
# let depNameVer = dep.name & '-' & dep.version
if not options.nimbleData["reverseDeps"].hasKey(dep.name):
options.nimbleData["reverseDeps"][dep.name] = newJObject()
if not options.nimbleData["reverseDeps"][dep.name].hasKey(dep.version):
options.nimbleData["reverseDeps"][dep.name][dep.version] = newJArray()
let revDep = %{ "name": %pkg.name, "version": %pkg.version}
let thisDep = options.nimbleData["reverseDeps"][dep.name][dep.version]
if revDep notin thisDep:
thisDep.add revDep
proc removeRevDep(options: Options, pkg: PackageInfo) =
## Removes ``pkg`` from the reverse dependencies of every package.
assert(not pkg.isMinimal)
proc remove(options: Options, pkg: PackageInfo, depTup: PkgTuple,
thisDep: JsonNode) =
for ver, val in thisDep:
if ver.newVersion in depTup.ver:
var newVal = newJArray()
for revDep in val:
if not (revDep["name"].str == pkg.name and
revDep["version"].str == pkg.version):
newVal.add revDep
thisDep[ver] = newVal
for depTup in pkg.requires:
if depTup.name.isURL():
# We sadly must go through everything in this case...
for key, val in options.nimbleData["reverseDeps"]:
options.remove(pkg, depTup, val)
else:
let thisDep = options.nimbleData{"reverseDeps", depTup.name}
if thisDep.isNil: continue
options.remove(pkg, depTup, thisDep)
# Clean up empty objects/arrays
var newData = newJObject()
for key, val in options.nimbleData["reverseDeps"]:
if val.len != 0:
var newVal = newJObject()
for ver, elem in val:
if elem.len != 0:
newVal[ver] = elem
if newVal.len != 0:
newData[key] = newVal
options.nimbleData["reverseDeps"] = newData
saveNimbleData(options)
proc install(packages: seq[PkgTuple],
options: Options,
doPrompt = true): tuple[paths: seq[string], pkg: PackageInfo]
proc processDeps(pkginfo: PackageInfo, options: Options): seq[string] =
## Verifies and installs dependencies.
##
## Returns the list of paths to pass to the compiler during build phase.
result = @[]
assert(not pkginfo.isMinimal, "processDeps needs pkginfo.requires")
let pkglist = getInstalledPkgs(options.getPkgsDir(), options)
var reverseDeps: seq[tuple[name, version: string]] = @[]
for dep in pkginfo.requires:
if dep.name == "nimrod" or dep.name == "nim":
let nimVer = getNimrodVersion()
if not withinRange(nimVer, dep.ver):
quit("Unsatisfied dependency: " & dep.name & " (" & $dep.ver & ")")
else:
echo("Looking for ", dep.name, " (", $dep.ver, ")...")
var pkg: PackageInfo
if not findPkg(pkglist, dep, pkg):
echo("None found, installing...")
let (paths, installedPkg) = install(@[(dep.name, dep.ver)], options)
result.add(paths)
pkg = installedPkg # For addRevDep
else:
echo("Dependency already satisfied.")
result.add(pkg.mypath.splitFile.dir)
# Process the dependencies of this dependency.
result.add(processDeps(pkg, options))
reverseDeps.add((pkg.name, pkg.version))
# Check if two packages of the same name (but different version) are listed
# in the path.
var pkgsInPath: StringTableRef = newStringTable(modeCaseSensitive)
for p in result:
let (name, version) = getNameVersion(p)
if pkgsInPath.hasKey(name) and pkgsInPath[name] != version:
raise newException(NimbleError,
"Cannot satisfy the dependency on $1 $2 and $1 $3" %
[name, version, pkgsInPath[name]])
pkgsInPath[name] = version
# We add the reverse deps to the JSON file here because we don't want
# them added if the above errorenous condition occurs
# (unsatisfiable dependendencies).
# N.B. NimbleData is saved in installFromDir.
for i in reverseDeps:
addRevDep(options, i, pkginfo)
proc buildFromDir(pkgInfo: PackageInfo, paths: seq[string], forRelease: bool) =
## Builds a package as specified by ``pkgInfo``.
if pkgInfo.bin.len == 0:
raise newException(NimbleError,
"Nothing to build. Did you specify a module to build using the" &
" `bin` key in your .nimble file?")
let realDir = pkgInfo.getRealDir()
let releaseOpt = if forRelease: "-d:release" else: ""
var args = ""
for path in paths: args.add("--path:\"" & path & "\" ")
for bin in pkgInfo.bin:
let outputOpt = "-o:\"" & pkgInfo.getOutputDir(bin) & "\""
echo("Building ", pkginfo.name, "/", bin, " using ", pkgInfo.backend,
" backend...")
let outputDir = pkgInfo.getOutputDir("")
if not existsDir(outputDir):
createDir(outputDir)
try:
doCmd("\"" & getNimBin() & "\" $# $# --noBabelPath $# $# \"$#\"" %
[pkgInfo.backend, releaseOpt, args, outputOpt,
realDir / bin.changeFileExt("nim")])
except NimbleError:
raise newException(BuildFailed, "Build failed for package: " &
pkgInfo.name)
proc saveNimbleMeta(pkgDestDir, url, vcsRevision: string, filesInstalled: HashSet[string]) =
var nimblemeta = %{"url": %url}
if not vcsRevision.isNil:
nimblemeta["vcsRevision"] = %vcsRevision
let files = newJArray()
nimblemeta["files"] = files
for file in filesInstalled:
files.add(%changeRoot(pkgDestDir, "", file))
writeFile(pkgDestDir / "nimblemeta.json", $nimblemeta)
proc removePkgDir(dir: string, options: Options) =
## Removes files belonging to the package in ``dir``.
try:
var nimblemeta = parseFile(dir / "nimblemeta.json")
if not nimblemeta.hasKey("files"):
raise newException(JsonParsingError,
"Meta data does not contain required info.")
for file in nimblemeta["files"]:
removeFile(dir / file.str)
removeFile(dir / "nimblemeta.json")
# If there are no files left in the directory, remove the directory.
if toSeq(walkDirRec(dir)).len == 0:
removeDir(dir)
else:
echo("WARNING: Cannot completely remove " & dir &
". Files not installed by nimble are present.")
except OSError, JsonParsingError:
echo("Error: Unable to read nimblemeta.json: ", getCurrentExceptionMsg())
if not options.prompt("Would you like to COMPLETELY remove ALL files " &
"in " & dir & "?"):
quit(QuitSuccess)
removeDir(dir)
proc vcsRevisionInDir(dir: string): string =
## Returns current revision number of HEAD if dir is inside VCS, or nil in
## case of failure.
var cmd = ""
if dirExists(dir / ".git"):
cmd = "git -C " & quoteShell(dir) & " rev-parse HEAD"
elif dirExists(dir / ".hg"):
cmd = "hg --cwd " & quoteShell(dir) & " id -i"
if cmd.len > 0:
try:
let res = doCmdEx(cmd)
if res.exitCode == 0:
result = string(res.output).strip()
except:
discard
proc installFromDir(dir: string, latest: bool, options: Options,
url: string): tuple[paths: seq[string], pkg: PackageInfo] =
## Returns where package has been installed to, together with paths
## to the packages this package depends on.
## The return value of this function is used by
## ``processDeps`` to gather a list of paths to pass to the nim compiler.
var pkgInfo = getPkgInfo(dir, options)
let realDir = pkgInfo.getRealDir()
let binDir = options.getBinDir()
let pkgsDir = options.getPkgsDir()
var deps_options = options
deps_options.depsOnly = false
# Dependencies need to be processed before the creation of the pkg dir.
result.paths = processDeps(pkginfo, deps_options)
if options.depsOnly:
result.pkg = pkgInfo
return result
echo("Installing ", pkginfo.name, "-", pkginfo.version)
# Build before removing an existing package (if one exists). This way
# if the build fails then the old package will still be installed.
if pkgInfo.bin.len > 0: buildFromDir(pkgInfo, result.paths, true)
let versionStr = (if latest: "" else: '-' & pkgInfo.version)
let pkgDestDir = pkgsDir / (pkgInfo.name & versionStr)
if existsDir(pkgDestDir) and existsFile(pkgDestDir / "nimblemeta.json"):
if not options.prompt(pkgInfo.name & versionStr &
" already exists. Overwrite?"):
quit(QuitSuccess)
removePkgDir(pkgDestDir, options)
# Remove any symlinked binaries
for bin in pkgInfo.bin:
# TODO: Check that this binary belongs to the package being installed.
when defined(windows):
removeFile(binDir / bin.changeFileExt("cmd"))
removeFile(binDir / bin.changeFileExt(""))
# TODO: Remove this later.
# Remove .bat file too from previous installs.
removeFile(binDir / bin.changeFileExt("bat"))
else:
removeFile(binDir / bin)
## Will contain a list of files which have been installed.
var filesInstalled: HashSet[string]
createDir(pkgDestDir)
if pkgInfo.bin.len > 0:
createDir(binDir)
# Copy all binaries and files that are not skipped
filesInstalled = copyFilesRec(realDir, realDir, pkgDestDir, options,
pkgInfo)
# Set file permissions to +x for all binaries built,
# and symlink them on *nix OS' to $nimbleDir/bin/
for bin in pkgInfo.bin:
if not existsFile(pkgDestDir / bin):
filesInstalled.incl copyFileD(pkgInfo.getOutputDir(bin),
pkgDestDir / bin)
let currentPerms = getFilePermissions(pkgDestDir / bin)
setFilePermissions(pkgDestDir / bin, currentPerms + {fpUserExec})
let cleanBin = bin.extractFilename
when defined(unix):
# TODO: Verify that we are removing an old bin of this package, not
# some other package's binary!
if existsFile(binDir / cleanBin): removeFile(binDir / cleanBin)
echo("Creating symlink: ", pkgDestDir / bin, " -> ", binDir / cleanBin)
createSymlink(pkgDestDir / bin, binDir / cleanBin)
elif defined(windows):
# There is a bug on XP, described here:
# http://stackoverflow.com/questions/2182568/batch-script-is-not-executed-if-chcp-was-called
# But this workaround brokes code page on newer systems, so we need to detect OS version
var osver = OSVERSIONINFO()
osver.dwOSVersionInfoSize = cast[DWORD](sizeof(OSVERSIONINFO))
if GetVersionExA(osver) == WINBOOL(0):
raise newException(NimbleError,
"Can't detect OS version: GetVersionExA call failed")
let fixChcp = osver.dwMajorVersion <= 5
let dest = binDir / cleanBin.changeFileExt("cmd")
echo("Creating stub: ", pkgDestDir / bin, " -> ", dest)
var contents = "@"
if options.config.chcp:
if fixChcp:
contents.add "chcp 65001 > nul && "
else: contents.add "chcp 65001 > nul\n@"
contents.add "\"" & pkgDestDir / bin & "\" %*\n"
writeFile(dest, contents)
# For bash on Windows (Cygwin/Git bash).
let bashDest = dest.changeFileExt("")
echo("Creating Cygwin stub: ", pkgDestDir / bin, " -> ", bashDest)
writeFile(bashDest, "\"" & pkgDestDir / bin & "\" \"$@\"\n")
else:
{.error: "Sorry, your platform is not supported.".}
else:
filesInstalled = copyFilesRec(realDir, realDir, pkgDestDir, options,
pkgInfo)
let vcsRevision = vcsRevisionInDir(realDir)
# Save a nimblemeta.json file.
saveNimbleMeta(pkgDestDir, url, vcsRevision, filesInstalled)
# Save the nimble data (which might now contain reverse deps added in
# processDeps).
saveNimbleData(options)
# Return the paths to the dependencies of this package.
result.paths.add pkgDestDir
result.pkg = pkgInfo
echo(pkgInfo.name & " installed successfully.")
proc getNimbleTempDir(): string =
## Returns a path to a temporary directory.
##
## The returned path will be the same for the duration of the process but
## different for different runs of it. You have to make sure to create it
## first. In release builds the directory will be removed when nimble finishes
## its work.
result = getTempDir() / "nimble_"
when defined(windows):
proc GetCurrentProcessId(): int32 {.stdcall, dynlib: "kernel32",
importc: "GetCurrentProcessId".}
result.add($GetCurrentProcessId())
else:
result.add($getpid())
proc downloadPkg(url: string, verRange: VersionRange,
downMethod: DownloadMethod,
options: Options): (string, VersionRange) =
## Downloads the repository as specified by ``url`` and ``verRange`` using
## the download method specified.
##
## Returns the directory where it was downloaded and the concrete version
## which was downloaded.
let downloadDir = (getNimbleTempDir() / getDownloadDirName(url, verRange))
createDir(downloadDir)
var modUrl =
if url.startsWith("git://") and options.config.cloneUsingHttps:
"https://" & url[6 .. ^1]
else: url
# Fixes issue #204
# github + https + trailing url slash causes a
# checkout/ls-remote to fail with Repository not found
if modUrl.contains("github.com") and modUrl.endswith("/"):
modUrl = modUrl[0 .. ^2]
echo("Downloading ", modUrl, " into ", downloadDir, " using ",
downMethod, "...")
result = (
downloadDir,
doDownload(modUrl, downloadDir, verRange, downMethod, options)
)
proc getDownloadInfo*(pv: PkgTuple, options: Options,
doPrompt: bool): (DownloadMethod, string) =
if pv.name.isURL:
return (checkUrlType(pv.name), pv.name)
else:
var pkg: Package
if getPackage(pv.name, options, pkg):
return (pkg.downloadMethod.getDownloadMethod(), pkg.url)
else:
# If package is not found give the user a chance to update
# package.json
if doPrompt and
options.prompt(pv.name & " not found in any local packages.json, " &
"check internet for updated packages?"):
update(options)
# Once we've updated, try again, but don't prompt if not found
# (as we've already updated and a failure means it really
# isn't there)
return getDownloadInfo(pv, options, false)
else:
raise newException(NimbleError, "Package not found.")
proc install(packages: seq[PkgTuple],
options: Options,
doPrompt = true): tuple[paths: seq[string], pkg: PackageInfo] =
if packages == @[]:
result = installFromDir(getCurrentDir(), false, options, "")
else:
# If packages.json is not present ask the user if they want to download it.
if needsRefresh(options):
if doPrompt and
options.prompt("No local packages.json found, download it from " &
"internet?"):
update(options)
else:
quit("Please run nimble refresh.", QuitFailure)
# Install each package.
for pv in packages:
let (meth, url) = getDownloadInfo(pv, options, doPrompt)
let (downloadDir, downloadVersion) =
downloadPkg(url, pv.ver, meth, options)
try:
result = installFromDir(downloadDir, false, options, url)
except BuildFailed:
# The package failed to build.
# Check if we tried building a tagged version of the package.
let headVer = parseVersionRange("#" & getHeadName(meth))
if pv.ver.kind != verSpecial and downloadVersion != headVer:
# If we tried building a tagged version of the package then
# ask the user whether they want to try building #head.
let promptResult = doPrompt and
options.prompt(("Build failed for '$1@$2', would you" &
" like to try installing '$1@#head' (latest unstable)?") %
[pv.name, $downloadVersion])
if promptResult:
result = install(@[(pv.name, headVer)], options, doPrompt)
else:
raise newException(BuildFailed,
"Aborting installation due to build failure")
else:
raise
proc build(options: Options) =
var pkgInfo = getPkgInfo(getCurrentDir(), options)
nimScriptHint(pkgInfo)
let paths = processDeps(pkginfo, options)
buildFromDir(pkgInfo, paths, false)
proc compile(options: Options) =
var pkgInfo = getPkgInfo(getCurrentDir(), options)
nimScriptHint(pkgInfo)
let paths = processDeps(pkginfo, options)
let realDir = pkgInfo.getRealDir()
var args = ""
for path in paths: args.add("--path:\"" & path & "\" ")
for option in options.action.compileOptions:
args.add(option & " ")
let bin = options.action.file
let backend =
if options.action.backend.len > 0:
options.action.backend
else:
pkgInfo.backend
if bin == "":
raise newException(NimbleError, "You need to specify a file to compile.")
echo("Compiling ", bin, " (", pkgInfo.name, ") using ", backend,
" backend...")
doCmd(getNimBin() & " $# --noBabelPath $# \"$#\"" %
[backend, args, bin])
proc search(options: Options) =
## Searches for matches in ``options.action.search``.
##
## Searches are done in a case insensitive way making all strings lower case.
assert options.action.typ == actionSearch
if options.action.search == @[]:
raise newException(NimbleError, "Please specify a search string.")
if needsRefresh(options):
raise newException(NimbleError, "Please run nimble refresh.")
let pkgList = getPackageList(options)
var found = false
template onFound: stmt =
echoPackage(pkg)
if options.queryVersions:
echoPackageVersions(pkg)
echo(" ")
found = true
break
for pkg in pkgList:
for word in options.action.search:
# Search by name.
if word.toLower() in pkg.name.toLower():
onFound()
# Search by tag.
for tag in pkg.tags:
if word.toLower() in tag.toLower():
onFound()
if not found:
echo("No package found.")
proc list(options: Options) =
if needsRefresh(options):
raise newException(NimbleError, "Please run nimble refresh.")
let pkgList = getPackageList(options)
for pkg in pkgList:
echoPackage(pkg)
if options.queryVersions:
echoPackageVersions(pkg)
echo(" ")
proc listInstalled(options: Options) =
var h = initOrderedTable[string, seq[string]]()
let pkgs = getInstalledPkgs(options.getPkgsDir(), options)
for x in pkgs.items():
let
pName = x.pkginfo.name
pVer = x.pkginfo.version
if not h.hasKey(pName): h[pName] = @[]
var s = h[pName]
add(s, pVer)
h[pName] = s
h.sort(proc (a, b: (string, seq[string])): int = cmpIgnoreCase(a[0], b[0]))
for k in keys(h):
echo k & " [" & h[k].join(", ") & "]"
type VersionAndPath = tuple[version: Version, path: string]
proc listPaths(options: Options) =
## Loops over installing packages displaying their installed paths.
##
## If there are several packages installed, only the last one (the version
## listed in the packages.json) will be displayed. If any package name is not
## found, the proc displays a missing message and continues through the list,
## but at the end quits with a non zero exit error.
##
## On success the proc returns normally.
assert options.action.typ == actionPath
assert(not options.action.packages.isNil)
var errors = 0
for name, version in options.action.packages.items:
var installed: seq[VersionAndPath] = @[]
# There may be several, list all available ones and sort by version.
for kind, path in walkDir(options.getPkgsDir):
if kind != pcDir or not path.startsWith(options.getPkgsDir / name):
continue
let
nimScriptFile = path / name.addFileExt("nims")
babelFile = path / name.addFileExt("babel")
nimbleFile = path / name.addFileExt("nimble")
hasSpec = nimScriptFile.existsFile or
nimbleFile.existsFile or babelFile.existsFile
if hasSpec:
var pkgInfo = getPkgInfo(path, options)
var v: VersionAndPath
v.version = newVersion(pkgInfo.version)
v.path = options.getPkgsDir / (pkgInfo.name & '-' & pkgInfo.version)
installed.add(v)
else:
echo "Warning: No .nimble file found for ", path
if installed.len > 0:
sort(installed, system.cmp[VersionAndPath], Descending)
echo installed[0].path
else:
echo "Warning: Package '" & name & "' not installed"
errors += 1
if errors > 0:
raise newException(NimbleError,
"At least one of the specified packages was not found")
proc join(x: seq[PkgTuple]; y: string): string =
if x.len == 0: return ""
result = x[0][0] & " " & $x[0][1]
for i in 1 ..< x.len:
result.add y
result.add x[i][0] & " " & $x[i][1]
proc dump(options: Options) =
let proj = addFileExt(options.action.projName, "nimble")
let p = if fileExists(proj): readPackageInfo(proj, options)
else: getPkgInfo(os.getCurrentDir(), options)
echo "name: ", p.name.escape
echo "version: ", p.version.escape
echo "author: ", p.author.escape
echo "desc: ", p.description.escape
echo "license: ", p.license.escape
echo "skipDirs: ", p.skipDirs.join(", ").escape
echo "skipFiles: ", p.skipFiles.join(", ").escape
echo "skipExt: ", p.skipExt.join(", ").escape
echo "installDirs: ", p.installDirs.join(", ").escape
echo "installFiles: ", p.installFiles.join(", ").escape
echo "installExt: ", p.installExt.join(", ").escape
echo "requires: ", p.requires.join(", ").escape
echo "bin: ", p.bin.join(", ").escape
echo "binDir: ", p.binDir.escape
echo "srcDir: ", p.srcDir.escape
echo "backend: ", p.backend.escape
proc init(options: Options) =
var nimbleFile: string = ""
echo("In order to initialise a new Nimble package, I will need to ask you\n" &
"some questions. Default values are shown in square brackets, press\n" &
"enter to use them.")
# Ask for package name.
if options.action.projName != "":
let pkgName = options.action.projName
nimbleFile = pkgName.changeFileExt("nimble")
else:
var pkgName = os.getCurrentDir().splitPath.tail.toValidPackageName()
pkgName = promptCustom("Enter package name", pkgName)
nimbleFile = pkgName.changeFileExt("nimble")
validatePackageName(nimbleFile.changeFileExt(""))
if existsFile(os.getCurrentDir() / nimbleFile):
raise newException(NimbleError, "Nimble file already exists.")
# Ask for package version.
let pkgVersion = promptCustom("Enter initial version of package", "0.1.0")
validateVersion(pkgVersion)
# Ask for package author
var defaultAuthor = "Anonymous"
if findExe("git") != "":
let (name, exitCode) = doCmdEx("git config --global user.name")
if exitCode == QuitSuccess and name.len > 0:
defaultAuthor = name.strip()
elif defaultAuthor == "Anonymous" and findExe("hg") != "":
let (name, exitCode) = doCmdEx("hg config ui.username")
if exitCode == QuitSuccess and name.len > 0:
defaultAuthor = name.strip()
let pkgAuthor = promptCustom("Enter your name", defaultAuthor)
# Ask for description
let pkgDesc = promptCustom("Enter package description", "")
# Ask for license
# TODO: Provide selection of licenses, or select random default license.
let pkgLicense = promptCustom("Enter package license", "MIT")
# Ask for Nim dependency
let nimDepDef = getNimrodVersion()
let pkgNimDep = promptCustom("Enter lowest supported Nim version", $nimDepDef)
validateVersion(pkgNimDep)
# Now generate the .nimble file.
if existsFile(os.getCurrentDir() / nimbleFile):
raise newException(NimbleError,
"Looks like a Nimble file has already been created.")
var outFile: File
if open(f = outFile, filename = nimbleFile, mode = fmWrite):
outFile.writeLine """# Package
version = $#
author = $#
description = $#
license = $#
# Dependencies
requires "nim >= $#"
""" % [pkgVersion.escape(), pkgAuthor.escape(), pkgDesc.escape(),
pkgLicense.escape(), pkgNimDep]
close(outFile)
else:
raise newException(NimbleError, "Unable to open file " & nimbleFile &
" for writing: " & osErrorMsg(osLastError()))
proc uninstall(options: Options) =
if options.action.packages.len == 0:
raise newException(NimbleError,
"Please specify the package(s) to uninstall.")
var pkgsToDelete: seq[PackageInfo] = @[]
# Do some verification.
for pkgTup in options.action.packages:
echo("Looking for ", pkgTup.name, " (", $pkgTup.ver, ")...")
let installedPkgs = getInstalledPkgs(options.getPkgsDir(), options)
var pkgList = findAllPkgs(installedPkgs, pkgTup)
if pkgList.len == 0:
raise newException(NimbleError, "Package not found")
echo("Checking reverse dependencies...")
var errors: seq[string] = @[]
for pkg in pkgList:
# Check whether any packages depend on the ones the user is trying to
# uninstall.
let thisPkgsDep = options.nimbleData["reverseDeps"]{pkg.name}{pkg.version}
if not thisPkgsDep.isNil:
var reason = ""
if thisPkgsDep.len == 1:
reason = thisPkgsDep[0]["name"].str &
" (" & thisPkgsDep[0]["version"].str & ") depends on it"
else:
for i in 0 .. <thisPkgsDep.len:
reason.add thisPkgsDep[i]["name"].str &
" (" & thisPkgsDep[i]["version"].str & ")"
if i != <thisPkgsDep.len:
reason.add ", "
reason.add " depend on it"
errors.add("Cannot uninstall " & pkgTup.name & " (" & pkg.version &
")" & " because " & reason)
else:
pkgsToDelete.add pkg
if pkgsToDelete.len == 0:
raise newException(NimbleError, "\n " & errors.join("\n "))
var pkgNames = ""
for i in 0 .. <pkgsToDelete.len:
if i != 0: pkgNames.add ", "
let pkg = pkgsToDelete[i]
pkgNames.add pkg.name & " (" & pkg.version & ")"
# Let's confirm that the user wants these packages removed.
if not options.prompt("The following packages will be removed:\n " &
pkgNames & "\nDo you wish to continue?"):
quit(QuitSuccess)
for pkg in pkgsToDelete:
# If we reach this point then the package can be safely removed.
# removeRevDep needs the package dependency info, so we can't just pass
# a minimal pkg info.
let pkgFull = readPackageInfo(pkg.mypath, options, false)
removeRevDep(options, pkgFull)
removePkgDir(options.getPkgsDir / (pkg.name & '-' & pkg.version), options)
echo("Removed ", pkg.name, " (", $pkg.version, ")")
proc listTasks(options: Options) =
let nimbleFile = findNimbleFile(getCurrentDir(), true)
nimscriptsupport.listTasks(nimbleFile, options)
proc execHook(options: Options, before: bool): bool =
## Returns whether to continue.
result = true
var nimbleFile = ""
try:
nimbleFile = findNimbleFile(getCurrentDir(), true)
except NimbleError: return true
# PackageInfos are cached so we can read them as many times as we want.
let pkgInfo = readPackageInfo(nimbleFile, options)
let actionName =
if options.action.typ == actionCustom: options.action.command
else: ($options.action.typ)[6 .. ^1]
let hookExists =
if before: actionName.normalize in pkgInfo.preHooks
else: actionName.normalize in pkgInfo.postHooks
if pkgInfo.isNimScript and hookExists:
let res = execHook(nimbleFile, actionName, before, options)
if res.success:
result = res.retVal
proc doAction(options: Options) =
if not existsDir(options.getNimbleDir()):
createDir(options.getNimbleDir())
if not existsDir(options.getPkgsDir):
createDir(options.getPkgsDir)
if not execHook(options, true):
echo("Pre-hook prevented further execution.")
return
case options.action.typ
of actionRefresh:
update(options)
of actionInstall:
let (_, pkgInfo) = install(options.action.packages, options)
if options.action.packages.len == 0:
nimScriptHint(pkgInfo)
of actionUninstall:
uninstall(options)
of actionSearch:
search(options)
of actionList:
if options.queryInstalled: listInstalled(options)
else: list(options)
of actionPath:
listPaths(options)
of actionBuild:
build(options)
of actionCompile:
compile(options)
of actionInit:
init(options)
of actionPublish:
var pkgInfo = getPkgInfo(getCurrentDir(), options)
publish(pkgInfo)
of actionDump:
dump(options)
of actionTasks:
listTasks(options)
of actionVersion:
writeVersion()
of actionNil:
assert false
of actionCustom:
# Custom command. Attempt to call a NimScript task.
let nimbleFile = findNimbleFile(getCurrentDir(), true)
if not nimbleFile.isNimScript(options):
writeHelp()
let execResult = execTask(nimbleFile, options.action.command, options)
if not execResult.success:
echo("FAILURE: Could not find task ", options.action.command, " in ",
nimbleFile)
writeHelp()
if execResult.command.normalize == "nop":
echo("WARNING: Using `setCommand 'nop'` is not necessary.")
return
if not execHook(options, false):
return
if execResult.hasTaskRequestedCommand():
var newOptions = initOptions()
newOptions.config = options.config
newOptions.nimbleData = options.nimbleData
parseCommand(execResult.command, newOptions)
for arg in execResult.arguments:
parseArgument(arg, newOptions)
for flag, val in execResult.flags:
parseFlag(flag, val, newOptions)
doAction(newOptions)
if options.action.typ != actionCustom:
discard execHook(options, false)
when isMainModule:
when defined(release):
try:
parseCmdLine().doAction()
except NimbleError:
quit("FAILURE: " & getCurrentExceptionMsg())
finally:
removeDir(getNimbleTempDir())
else:
parseCmdLine().doAction()