nimble/src/nimble.nim
Dominik Picheta 5d765fcc27 Fixes #496.
2018-09-09 22:16:03 +01:00

1120 lines
39 KiB
Nim

# Copyright (C) Dominik Picheta. All rights reserved.
# BSD License. Look at license.txt for more info.
import system except TResult
import httpclient, parseopt, os, osproc, pegs, tables, parseutils,
strtabs, json, algorithm, sets, uri, future, sequtils
import strutils except toLower
from unicode import toLower
from sequtils import toSeq
import nimblepkg/packageinfo, nimblepkg/version, nimblepkg/tools,
nimblepkg/download, nimblepkg/config, nimblepkg/common,
nimblepkg/publish, nimblepkg/options, nimblepkg/packageparser,
nimblepkg/cli, nimblepkg/packageinstaller, nimblepkg/reversedeps,
nimblepkg/nimscriptexecutor, nimblepkg/init
import nimblepkg/nimscriptsupport
proc refresh(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:
""
if parameter.len > 0:
if parameter.isUrl:
let cmdLine = PackageList(name: "commandline", urls: @[parameter])
fetchList(cmdLine, options)
else:
if parameter notin options.config.packageLists:
let msg = "Package list with the specified name not found."
raise newException(NimbleError, msg)
fetchList(options.config.packageLists[parameter], options)
else:
# Try each package list in config
for name, list in options.config.packageLists:
fetchList(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:
raise NimbleQuit(msg: "")
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:
raise NimbleQuit(msg: "")
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 install(packages: seq[PkgTuple],
options: Options,
doPrompt = true): tuple[deps: seq[PackageInfo], pkg: PackageInfo]
proc processDeps(pkginfo: PackageInfo, options: Options): seq[PackageInfo] =
## Verifies and installs dependencies.
##
## Returns the list of PackageInfo (for paths) to pass to the compiler
## during build phase.
result = @[]
assert(not pkginfo.isMinimal, "processDeps needs pkginfo.requires")
display("Verifying",
"dependencies for $1@$2" % [pkginfo.name, pkginfo.specialVersion],
priority = HighPriority)
var pkgList = getInstalledPkgsMin(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):
let msg = "Unsatisfied dependency: " & dep.name & " (" & $dep.ver & ")"
raise newException(NimbleError, msg)
else:
let resolvedDep = dep.resolveAlias(options)
display("Checking", "for $1" % $resolvedDep, priority = MediumPriority)
var pkg: PackageInfo
var found = findPkg(pkgList, resolvedDep, pkg)
# Check if the original name exists.
if not found and resolvedDep.name != dep.name:
display("Checking", "for $1" % $dep, priority = MediumPriority)
found = findPkg(pkgList, dep, pkg)
if found:
display("Warning:", "Installed package $1 should be renamed to $2" %
[dep.name, resolvedDep.name], Warning, HighPriority)
if not found:
display("Installing", $resolvedDep, priority = HighPriority)
let toInstall = @[(resolvedDep.name, resolvedDep.ver)]
let (pkgs, installedPkg) = install(toInstall, options)
result.add(pkgs)
pkg = installedPkg # For addRevDep
# This package has been installed so we add it to our pkgList.
pkgList.add((pkg, readMetaData(pkg.getRealDir())))
else:
display("Info:", "Dependency on $1 already satisfied" % $dep,
priority = HighPriority)
result.add(pkg)
# Process the dependencies of this dependency.
result.add(processDeps(pkg.toFullInfo(options), options))
reverseDeps.add((pkg.name, pkg.specialVersion))
# Check if two packages of the same name (but different version) are listed
# in the path.
var pkgsInPath: StringTableRef = newStringTable(modeCaseSensitive)
for pkgInfo in result:
if pkgsInPath.hasKey(pkgInfo.name) and
pkgsInPath[pkgInfo.name] != pkgInfo.version:
raise newException(NimbleError,
"Cannot satisfy the dependency on $1 $2 and $1 $3" %
[pkgInfo.name, pkgInfo.version, pkgsInPath[pkgInfo.name]])
pkgsInPath[pkgInfo.name] = pkgInfo.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.nimbleData, i, pkginfo)
proc buildFromDir(pkgInfo: PackageInfo, paths: seq[string],
args: var seq[string]) =
## 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()
for path in paths: args.add("--path:\"" & path & "\" ")
for bin in pkgInfo.bin:
let outputOpt = "-o:\"" & pkgInfo.getOutputDir(bin) & "\""
display("Building", "$1/$2 using $3 backend" %
[pkginfo.name, bin, pkgInfo.backend], priority = HighPriority)
let outputDir = pkgInfo.getOutputDir("")
if not existsDir(outputDir):
createDir(outputDir)
try:
doCmd("\"" & getNimBin() & "\" $# --noBabelPath $# $# \"$#\"" %
[pkgInfo.backend, join(args, " "), outputOpt,
realDir / bin.changeFileExt("nim")])
except NimbleError:
let currentExc = (ref NimbleError)(getCurrentException())
let exc = newException(BuildFailed, "Build failed for package: " &
pkgInfo.name)
let (error, hint) = getOutputInfo(currentExc)
exc.msg.add("\nDetails:\n" & error)
exc.hint = hint
raise exc
proc buildFromDir(pkgInfo: PackageInfo, paths: seq[string], forRelease: bool) =
var args: seq[string]
if forRelease:
args = @["-d:release"]
else:
args = @[]
buildFromDir(pkgInfo, paths, args)
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:
display("Warning:", ("Cannot completely remove $1. Files not installed " &
"by nimble are present.") % dir, Warning, HighPriority)
if nimblemeta.hasKey("binaries"):
# Remove binaries.
for binary in nimblemeta["binaries"]:
removeFile(options.getBinDir() / binary.str)
# Search for an older version of the package we are removing.
# So that we can reinstate its symlink.
let (pkgName, _) = getNameVersion(dir)
let pkgList = getInstalledPkgsMin(options.getPkgsDir(), options)
var pkgInfo: PackageInfo
if pkgList.findPkg((pkgName, newVRAny()), pkgInfo):
pkgInfo = pkgInfo.toFullInfo(options)
for bin in pkgInfo.bin:
let symlinkDest = pkgInfo.getRealDir() / bin
let symlinkFilename = options.getBinDir() / bin.extractFilename
discard setupBinSymlink(symlinkDest, symlinkFilename, options)
else:
display("Warning:", ("Cannot completely remove $1. Binary symlinks may " &
"have been left over in $2.") %
[dir, options.getBinDir()])
except OSError, JsonParsingError:
display("Warning", "Unable to read nimblemeta.json: " &
getCurrentExceptionMsg(), Warning, HighPriority)
if not options.prompt("Would you like to COMPLETELY remove ALL files " &
"in " & dir & "?"):
raise NimbleQuit(msg: "")
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, requestedVer: VersionRange, options: Options,
url: string): tuple[
deps: seq[PackageInfo],
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.
# Handle pre-`install` hook.
if not options.depsOnly:
cd dir: # Make sure `execHook` executes the correct .nimble file.
if not execHook(options, true):
raise newException(NimbleError, "Pre-hook prevented further execution.")
var pkgInfo = getPkgInfo(dir, options)
let realDir = pkgInfo.getRealDir()
let binDir = options.getBinDir()
var depsOptions = options
depsOptions.depsOnly = false
# Overwrite the version if the requested version is "#head" or similar.
if requestedVer.kind == verSpecial:
pkgInfo.specialVersion = $requestedVer.spe
# Dependencies need to be processed before the creation of the pkg dir.
result.deps = processDeps(pkgInfo, depsOptions)
if options.depsOnly:
result.pkg = pkgInfo
return result
display("Installing", "$1@$2" % [pkginfo.name, pkginfo.specialVersion],
priority = HighPriority)
# 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:
let paths = result.deps.map(dep => dep.getRealDir())
buildFromDir(pkgInfo, paths, true)
let pkgDestDir = pkgInfo.getPkgDest(options)
if existsDir(pkgDestDir) and existsFile(pkgDestDir / "nimblemeta.json"):
let msg = "$1@$2 already exists. Overwrite?" %
[pkgInfo.name, pkgInfo.specialVersion]
if not options.prompt(msg):
raise NimbleQuit(msg: "")
# Remove reverse deps.
let pkgInfo = getPkgInfo(pkgDestDir, options)
options.nimbleData.removeRevDep(pkgInfo)
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(""))
else:
removeFile(binDir / bin)
createDir(pkgDestDir)
# Copy this package's files based on the preferences specified in PkgInfo.
var filesInstalled = initSet[string]()
iterInstallFiles(realDir, pkgInfo, options,
proc (file: string) =
createDir(changeRoot(realDir, pkgDestDir, file.splitFile.dir))
let dest = changeRoot(realDir, pkgDestDir, file)
filesInstalled.incl copyFileD(file, dest)
)
# Copy the .nimble file.
let dest = changeRoot(pkgInfo.myPath.splitFile.dir, pkgDestDir,
pkgInfo.myPath)
filesInstalled.incl copyFileD(pkgInfo.myPath, dest)
var binariesInstalled = initSet[string]()
if pkgInfo.bin.len > 0:
# Make sure ~/.nimble/bin directory is created.
createDir(binDir)
# Set file permissions to +x for all binaries built,
# and symlink them on *nix OS' to $nimbleDir/bin/
for bin in pkgInfo.bin:
if existsFile(pkgDestDir / bin):
display("Warning:", ("Binary '$1' was already installed from source" &
" directory. Will be overwritten.") % bin, Warning,
MediumPriority)
# Copy the binary file.
filesInstalled.incl copyFileD(pkgInfo.getOutputDir(bin),
pkgDestDir / bin)
# Set up a symlink.
let symlinkDest = pkgDestDir / bin
let symlinkFilename = binDir / bin.extractFilename
for filename in setupBinSymlink(symlinkDest, symlinkFilename, options):
binariesInstalled.incl(filename)
let vcsRevision = vcsRevisionInDir(realDir)
# Save a nimblemeta.json file.
saveNimbleMeta(pkgDestDir, url, vcsRevision, filesInstalled,
binariesInstalled)
# Save the nimble data (which might now contain reverse deps added in
# processDeps).
saveNimbleData(options)
# Return the dependencies of this package (mainly for paths).
result.deps.add pkgInfo
result.pkg = pkgInfo
result.pkg.isInstalled = true
result.pkg.myPath = dest
display("Success:", pkgInfo.name & " installed successfully.",
Success, HighPriority)
# Run post-install hook now that package is installed. The `execHook` proc
# executes the hook defined in the CWD, so we set it to where the package
# has been installed.
cd dest.splitFile.dir:
discard execHook(options, false)
proc getDownloadInfo*(pv: PkgTuple, options: Options,
doPrompt: bool): (DownloadMethod, string,
Table[string, string]) =
if pv.name.isURL:
let (url, metadata) = getUrlData(pv.name)
return (checkUrlType(url), url, metadata)
else:
var pkg: Package
if getPackage(pv.name, options, pkg):
let (url, metadata) = getUrlData(pkg.url)
return (pkg.downloadMethod.getDownloadMethod(), url, metadata)
else:
# If package is not found give the user a chance to refresh
# package.json
if doPrompt and
options.prompt(pv.name & " not found in any local packages.json, " &
"check internet for updated packages?"):
refresh(options)
# Once we've refreshed, try again, but don't prompt if not found
# (as we've already refreshed 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[deps: seq[PackageInfo], pkg: PackageInfo] =
if packages == @[]:
result = installFromDir(getCurrentDir(), newVRAny(), options, "")
else:
# Install each package.
for pv in packages:
let (meth, url, metadata) = getDownloadInfo(pv, options, doPrompt)
let subdir = metadata.getOrDefault("subdir")
let (downloadDir, downloadVersion) =
downloadPkg(url, pv.ver, meth, subdir, options)
try:
result = installFromDir(downloadDir, pv.ver, options, url)
except BuildFailed:
# The package failed to build.
# Check if we tried building a tagged version of the package.
let headVer = 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:
let toInstall = @[(pv.name, headVer.toVersionRange())]
result = install(toInstall, 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 deps = processDeps(pkginfo, options)
let paths = deps.map(dep => dep.getRealDir())
var args = options.action.compileOptions
buildFromDir(pkgInfo, paths, args)
proc execBackend(options: Options) =
let
bin = options.action.file
binDotNim = bin.addFileExt("nim")
if bin == "":
raise newException(NimbleError, "You need to specify a file.")
if not (fileExists(bin) or fileExists(binDotNim)):
raise newException(NimbleError,
"Specified file, " & bin & " or " & binDotNim & ", does not exist.")
var pkgInfo = getPkgInfo(getCurrentDir(), options)
nimScriptHint(pkgInfo)
let deps = processDeps(pkginfo, options)
var args = ""
for dep in deps: args.add("--path:\"" & dep.getRealDir() & "\" ")
for option in options.action.compileOptions:
args.add("\"" & option & "\" ")
let backend =
if options.action.backend.len > 0:
options.action.backend
else:
pkgInfo.backend
if options.action.typ == actionCompile:
display("Compiling", "$1 (from package $2) using $3 backend" %
[bin, pkgInfo.name, backend], priority = HighPriority)
else:
display("Generating", ("documentation for $1 (from package $2) using $3 " &
"backend") % [bin, pkgInfo.name, backend], priority = HighPriority)
doCmd("\"" & getNimBin() & "\" $# --noNimblePath $# \"$#\"" %
[backend, args, bin], showOutput = true)
display("Success:", "Execution finished", Success, HighPriority)
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 {.dirty.} =
echoPackage(pkg)
if options.queryVersions:
echoPackageVersions(pkg)
echo(" ")
found = true
break forPkg
for pkg in pkgList:
block forPkg:
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:
display("Error", "No package found.", Error, HighPriority)
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 = getInstalledPkgsMin(options.getPkgsDir(), options)
for x in pkgs.items():
let
pName = x.pkginfo.name
pVer = x.pkginfo.specialVersion
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 the specified 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.
cli.setSuppressMessages(true)
assert options.action.typ == actionPath
if options.action.packages.len == 0:
raise newException(NimbleError, "A package name needs to be specified")
var errors = 0
let pkgs = getInstalledPkgsMin(options.getPkgsDir(), options)
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 x in pkgs.items():
let
pName = x.pkginfo.name
pVer = x.pkginfo.specialVersion
if name == pName:
var v: VersionAndPath
v.version = newVersion(pVer)
v.path = x.pkginfo.getRealDir()
installed.add(v)
if installed.len > 0:
sort(installed, cmp[VersionAndPath], Descending)
# The output for this command is used by tools so we do not use display().
echo installed[0].path
else:
display("Warning:", "Package '$1' is not installed" % name, Warning,
MediumPriority)
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 getPackageByPattern(pattern: string, options: Options): PackageInfo =
## Search for a package file using multiple strategies.
if pattern == "":
# Not specified - using current directory
result = getPkgInfo(os.getCurrentDir(), options)
elif pattern.splitFile.ext == ".nimble" and pattern.existsFile:
# project file specified
result = getPkgInfoFromFile(pattern, options)
elif pattern.existsDir:
# project directory specified
result = getPkgInfo(pattern, options)
else:
# Last resort - attempt to read as package identifier
let packages = getInstalledPkgsMin(options.getPkgsDir(), options)
let identTuple = parseRequires(pattern)
var skeletonInfo: PackageInfo
if not findPkg(packages, identTuple, skeletonInfo):
raise newException(NimbleError,
"Specified package not found"
)
result = getPkgInfoFromFile(skeletonInfo.myPath, options)
proc dump(options: Options) =
cli.setSuppressMessages(true)
let p = getPackageByPattern(options.action.projName, 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) =
# Determine the package name.
let pkgName =
if options.action.projName != "":
options.action.projName
else:
os.getCurrentDir().splitPath.tail.toValidPackageName()
# Validate the package name.
validatePackageName(pkgName)
# Determine the package root.
let pkgRoot =
if pkgName == os.getCurrentDir().splitPath.tail:
os.getCurrentDir()
else:
os.getCurrentDir() / pkgName
let nimbleFile = (pkgRoot / pkgName).changeFileExt("nimble")
if existsFile(nimbleFile):
let errMsg = "Nimble file already exists: $#" % nimbleFile
raise newException(NimbleError, errMsg)
if options.forcePrompts != forcePromptYes:
display(
"Info:",
"Package initialisation requires info which could not be inferred.\n" &
"Default values are shown in square brackets, press\n" &
"enter to use them.",
priority = HighPriority
)
display("Using", "$# for new package name" % [pkgName.escape()],
priority = HighPriority)
# Ask for package author
proc getAuthor(): string =
if findExe("git") != "":
let (name, exitCode) = doCmdEx("git config --global user.name")
if exitCode == QuitSuccess and name.len > 0:
result = name.strip()
display("Using", "$# for new package author" % [result.escape()],
priority = HighPriority)
elif findExe("hg") != "":
let (name, exitCode) = doCmdEx("hg config ui.username")
if exitCode == QuitSuccess and name.len > 0:
result = name.strip()
display("Using", "$# for new package author" % [result.escape()],
priority = HighPriority)
if result.len == 0:
result = promptCustom(options, "Your name?", "Anonymous")
let pkgAuthor = getAuthor()
# Declare the src/ directory
let pkgSrcDir = "src"
display("Using", "$# for new package source directory" % [pkgSrcDir.escape()],
priority = HighPriority)
# Determine the type of package
let pkgType = promptList(
options,
"""Package type?
Library - provides functionality for other packages.
Binary - produces an executable for the end-user.
Hybrid - combination of library and binary
For more information see https://goo.gl/cm2RX5""",
["library", "binary", "hybrid"]
)
# Ask for package version.
let pkgVersion = promptCustom(options, "Initial version of package?", "0.1.0")
validateVersion(pkgVersion)
# Ask for description
let pkgDesc = promptCustom(options, "Package description?",
"A new awesome nimble package")
# Ask for license
# License list is based on:
# https://www.blackducksoftware.com/top-open-source-licenses
var pkgLicense = options.promptList(
"""Package License?
This should ideally be a valid SPDX identifier. See https://spdx.org/licenses/.
""", [
"MIT",
"GPL-2.0",
"Apache-2.0",
"ISC",
"GPL-3.0",
"BSD-3-Clause",
"LGPL-2.1",
"LGPL-3.0",
"EPL-2.0",
# This is what npm calls "UNLICENSED" (which is too similar to "Unlicense")
"Proprietary",
"Other"
])
if pkgLicense.toLower == "other":
pkgLicense = promptCustom(options,
"""Package license?
Please specify a valid SPDX identifier.""",
"MIT"
)
# Ask for Nim dependency
let nimDepDef = getNimrodVersion()
let pkgNimDep = promptCustom(options, "Lowest supported Nim version?",
$nimDepDef)
validateVersion(pkgNimDep)
createPkgStructure(
(
pkgName,
pkgVersion,
pkgAuthor,
pkgDesc,
pkgLicense,
pkgSrcDir,
pkgNimDep,
pkgType
),
pkgRoot
)
display("Success:", "Package $# created successfully" % [pkgName], Success,
HighPriority)
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:
display("Looking", "for $1 ($2)" % [pkgTup.name, $pkgTup.ver],
priority = HighPriority)
let installedPkgs = getInstalledPkgsMin(options.getPkgsDir(), options)
var pkgList = findAllPkgs(installedPkgs, pkgTup)
if pkgList.len == 0:
raise newException(NimbleError, "Package not found")
display("Checking", "reverse dependencies", priority = HighPriority)
var errors: seq[string] = @[]
for pkg in pkgList:
# Check whether any packages depend on the ones the user is trying to
# uninstall.
let revDeps = getRevDeps(options, pkg)
var reason = ""
if revDeps.len == 1:
reason = "$1 ($2) depends on it" % [revDeps[0].name, $revDeps[0].ver]
else:
for i in 0 ..< revDeps.len:
reason.add("$1 ($2)" % [revDeps[i].name, $revDeps[i].ver])
if i != revDeps.len-1:
reason.add ", "
reason.add " depend on it"
if revDeps.len > 0:
errors.add("Cannot uninstall $1 ($2) because $3" %
[pkgTup.name, pkg.specialVersion, 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("$1 ($2)" % [pkg.name, pkg.specialVersion])
# Let's confirm that the user wants these packages removed.
let msg = ("The following packages will be removed:\n $1\n" &
"Do you wish to continue?") % pkgNames
if not options.prompt(msg):
raise NimbleQuit(msg: "")
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.
removeRevDep(options.nimbleData, pkg.toFullInfo(options))
removePkgDir(options.getPkgsDir / (pkg.name & '-' & pkg.specialVersion),
options)
display("Removed", "$1 ($2)" % [pkg.name, $pkg.specialVersion], Success,
HighPriority)
saveNimbleData(options)
proc listTasks(options: Options) =
let nimbleFile = findNimbleFile(getCurrentDir(), true)
nimscriptsupport.listTasks(nimbleFile, options)
proc developFromDir(dir: string, options: Options) =
if options.depsOnly:
raiseNimbleError("Cannot develop dependencies only.")
cd dir: # Make sure `execHook` executes the correct .nimble file.
if not execHook(options, true):
raise newException(NimbleError, "Pre-hook prevented further execution.")
var pkgInfo = getPkgInfo(dir, options)
if pkgInfo.bin.len > 0:
if "nim" in pkgInfo.skipExt:
raiseNimbleError("Cannot develop packages that are binaries only.")
display("Warning:", "This package's binaries will not be compiled " &
"nor symlinked for development.", Warning, HighPriority)
# Overwrite the version to #head always.
pkgInfo.specialVersion = "#head"
# Dependencies need to be processed before the creation of the pkg dir.
discard processDeps(pkgInfo, options)
# This is similar to the code in `installFromDir`, except that we
# *consciously* not worry about the package's binaries.
let pkgDestDir = pkgInfo.getPkgDest(options)
if existsDir(pkgDestDir) and existsFile(pkgDestDir / "nimblemeta.json"):
let msg = "$1@$2 already exists. Overwrite?" %
[pkgInfo.name, pkgInfo.specialVersion]
if not options.prompt(msg):
raise NimbleQuit(msg: "")
removePkgDir(pkgDestDir, options)
createDir(pkgDestDir)
# The .nimble-link file contains the path to the real .nimble file,
# and a secondary path to the source directory of the package.
# The secondary path is necessary so that the package's .nimble file doesn't
# need to be read. This will mean that users will need to re-run
# `nimble develop` if they change their `srcDir` but I think it's a worthy
# compromise.
let nimbleLinkPath = pkgDestDir / pkgInfo.name.addFileExt("nimble-link")
let nimbleLink = NimbleLink(
nimbleFilePath: pkgInfo.myPath,
packageDir: pkgInfo.getRealDir()
)
writeNimbleLink(nimbleLinkPath, nimbleLink)
# Save a nimblemeta.json file.
saveNimbleMeta(pkgDestDir, "file://" & dir, vcsRevisionInDir(dir),
nimbleLinkPath)
# Save the nimble data (which might now contain reverse deps added in
# processDeps).
saveNimbleData(options)
display("Success:", (pkgInfo.name & " linked successfully to '$1'.") %
dir, Success, HighPriority)
# Execute the post-develop hook.
cd dir:
discard execHook(options, false)
proc develop(options: Options) =
if options.action.packages == @[]:
developFromDir(getCurrentDir(), options)
else:
# Install each package.
for pv in options.action.packages:
let name =
if isURL(pv.name):
parseUri(pv.name).path
else:
pv.name
let downloadDir = getCurrentDir() / name
if dirExists(downloadDir):
let msg = "Cannot clone into '$1': directory exists." % downloadDir
let hint = "Remove the directory, or run this command somewhere else."
raiseNimbleError(msg, hint)
let (meth, url, metadata) = getDownloadInfo(pv, options, true)
let subdir = metadata.getOrDefault("subdir")
# Download the HEAD and make sure the full history is downloaded.
let ver =
if pv.ver.kind == verAny:
parseVersionRange("#head")
else:
pv.ver
var options = options
options.forceFullClone = true
discard downloadPkg(url, ver, meth, subdir, options, downloadDir)
developFromDir(downloadDir / subdir, options)
proc test(options: Options) =
## Executes all tests starting with 't' in the ``tests`` directory.
## Subdirectories are not walked.
var files = toSeq(walkDir(getCurrentDir() / "tests"))
files.sort((a, b) => cmp(a.path, b.path))
for file in files:
let (_, name, ext) = file.path.splitFile()
if ext == ".nim" and name[0] == 't' and file.kind in {pcFile, pcLinkToFile}:
var optsCopy = options.briefClone()
optsCopy.action.typ = actionCompile
optsCopy.action.file = file.path
optsCopy.action.backend = "c"
optsCopy.action.compileOptions = @[]
optsCopy.action.compileOptions.add("-r")
optsCopy.action.compileOptions.add("--path:.")
execBackend(optsCopy)
display("Success:", "All tests passed", Success, HighPriority)
proc check(options: Options) =
## Validates a package a in the current working directory.
let nimbleFile = findNimbleFile(getCurrentDir(), true)
var error: ValidationError
var pkgInfo: PackageInfo
var validationResult = false
try:
validationResult = validate(nimbleFile, options, error, pkgInfo)
except:
raiseNimbleError("Could not validate package:\n" & getCurrentExceptionMsg())
if validationResult:
display("Success:", pkgInfo.name & " is valid!", Success, HighPriority)
else:
display("Error:", error.msg, Error, HighPriority)
display("Hint:", error.hint, Warning, HighPriority)
display("Failure:", "Validation failed", Error, HighPriority)
quit(QuitFailure)
proc doAction(options: Options) =
if options.showHelp:
writeHelp()
if options.showVersion:
writeVersion()
if not existsDir(options.getNimbleDir()):
createDir(options.getNimbleDir())
if not existsDir(options.getPkgsDir):
createDir(options.getPkgsDir)
case options.action.typ
of actionRefresh:
refresh(options)
of actionInstall:
let (_, pkgInfo) = install(options.action.packages, options)
if options.action.packages.len == 0:
nimScriptHint(pkgInfo)
if pkgInfo.foreignDeps.len > 0:
display("Hint:", "This package requires some external dependencies.",
Warning, HighPriority)
display("Hint:", "To install them you may be able to run:",
Warning, HighPriority)
for i in 0..<pkgInfo.foreignDeps.len:
display("Hint:", " " & pkgInfo.foreignDeps[i], Warning, HighPriority)
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, actionDoc:
execBackend(options)
of actionInit:
init(options)
of actionPublish:
var pkgInfo = getPkgInfo(getCurrentDir(), options)
publish(pkgInfo, options)
of actionDump:
dump(options)
of actionTasks:
listTasks(options)
of actionDevelop:
develop(options)
of actionCheck:
check(options)
of actionNil:
assert false
of actionCustom:
if not execHook(options, true):
display("Warning", "Pre-hook prevented further execution.", Warning,
HighPriority)
return
let isPreDefined = options.action.command.normalize == "test"
var execResult: ExecutionResult[void]
if execCustom(options, execResult, failFast=not isPreDefined):
if execResult.hasTaskRequestedCommand():
doAction(execResult.getOptionsForCommand(options))
else:
# If there is no task defined for the `test` task, we run the pre-defined
# fallback logic.
if isPreDefined:
test(options)
# Run the post hook for `test` in case it exists.
discard execHook(options, false)
when isMainModule:
var error = ""
var hint = ""
try:
parseCmdLine().doAction()
except NimbleError:
let currentExc = (ref NimbleError)(getCurrentException())
(error, hint) = getOutputInfo(currentExc)
except NimbleQuit:
discard
finally:
removeDir(getNimbleTempDir())
if error.len > 0:
displayTip()
display("Error:", error, Error, HighPriority)
if hint.len > 0:
display("Hint:", hint, Warning, HighPriority)
quit(1)