add vcs to the new created project (#729)

* add git vcs and a default .nim.cfg file to the new created project

* remove the gitapi dependency

* add vcs support for new nimble project

* add vcs support for new nimble project

* update pull request #729

* add --git/hg flag instead of --vcs flag for nimble init command

src/nimble.nim

@@ -3,12 +3,13 @@
 
 import system except TResult
 
-import os, tables, strtabs, json, algorithm, sets, uri, sugar, sequtils
+import os, tables, strtabs, json, algorithm, sets, uri, sugar, sequtils, osproc
 import std/options as std_opt
 
 import strutils except toLower
 from unicode import toLower
 from sequtils import toSeq
+from strformat import fmt
 
 import nimblepkg/packageinfo, nimblepkg/version, nimblepkg/tools,
        nimblepkg/download, nimblepkg/config, nimblepkg/common,
@@ -724,6 +725,11 @@ proc dump(options: Options) =
   echo "backend: ", p.backend.escape
 
 proc init(options: Options) =
+  # Check whether the vcs is installed.
+  let vcsBin = options.action.vcsOption
+  if vcsBin != "" and findExe(vcsBin, true) == "":
+    raise newException(NimbleError, "Please install git or mercurial first")
+
   # Determine the package name.
   let pkgName =
     if options.action.projName != "":
@@ -858,6 +864,17 @@ js   - Compile using JavaScript backend.""",
     pkgRoot
   )
 
+  # Create a git or hg repo in the new nimble project.
+  if vcsBin != "":
+    let cmd = fmt"cd {pkgRoot} && {vcsBin} init"
+    let ret: tuple[output: string, exitCode: int] = execCmdEx(cmd)
+    if ret.exitCode != 0: quit ret.output
+
+    var ignoreFile = if vcsBin == "git": ".gitignore" else: ".hgignore"
+    var fd = open(joinPath(pkgRoot, ignoreFile), fmWrite)
+    fd.write(pkgName & "\n")
+    fd.close()
+
   display("Success:", "Package $# created successfully" % [pkgName], Success,
     HighPriority)
 

src/nimblepkg/options.nim

@@ -51,6 +51,7 @@ type
       search*: seq[string] # Search string.
     of actionInit, actionDump:
       projName*: string
+      vcsOption*: string
     of actionCompile, actionDoc, actionBuild:
       file*: string
       backend*: string
@@ -80,6 +81,8 @@ Commands:
   init         [pkgname]          Initializes a new Nimble project in the
                                   current directory or if a name is provided a
                                   new directory of the same name.
+               --git
+               --hg               Create a git or hg repo in the new nimble project.
   publish                         Publishes a package on nim-lang/packages.
                                   The current working directory needs to be the
                                   toplevel directory of the Nimble package.
@@ -201,8 +204,10 @@ proc initAction*(options: var Options, key: string) =
     else: options.action.backend = keyNorm
   of actionInit:
     options.action.projName = ""
+    options.action.vcsOption = ""
   of actionDump:
     options.action.projName = ""
+    options.action.vcsOption = ""
     options.forcePrompts = forcePromptYes
   of actionRefresh:
     options.action.optionalURL = ""
@@ -349,6 +354,12 @@ proc parseFlag*(flag, val: string, result: var Options, kind = cmdLongOption) =
       result.action.passNimFlags.add(val)
     else:
       wasFlagHandled = false
+  of actionInit:
+    case f
+    of "git", "hg":
+      result.action.vcsOption = f
+    else:
+      wasFlagHandled = false
   of actionUninstall:
     case f
     of "incldeps", "i":