#!/bin/sh

# This script will create a deep snapshot of all Observatory package
# dependencies. The output will be in observatory_pub_packages which
# then should be committed to third_party/observatory_pub_packages.


global PUBSPEC_INPUT := '"pubspec.template'"
global PUBSPEC_OUTPUT := '"pubspec.yaml'"
global PACKAGES_INPUT := '"packages'"
global PACKAGES_OUTPUT := '"observatory_pub_packages'"

if test ! -d "../maintainers" {
  echo "Please run this script from the maintainers directory"
  exit
}

if test ! -f $PUBSPEC_INPUT {
  echo "Cannot find $PUBSPEC_INPUT"
  exit
}

# Cleanup leftovers
rm -f $PUBSPEC_OUTPUT
rm -rf $PACKAGES_INPUT
rm -rf $PACKAGES_OUTPUT

# Setup for pub get run
cp $PUBSPEC_INPUT $PUBSPEC_OUTPUT

# Run pub get
pub get

# Prepare for output
mkdir $PACKAGES_OUTPUT

global OUTPUT_BASE := $[realpath $PACKAGES_OUTPUT]
# Copy necessary files
pushd $PACKAGES_INPUT  > /dev/null
for i in [*] {
  global ACTUAL_PATH := $[realpath $i]
  mkdir $OUTPUT_BASE/$i
  mkdir $OUTPUT_BASE/$i/lib
  cp $ACTUAL_PATH/../pubspec.yaml $OUTPUT_BASE/$i/pubspec.yaml
  rsync -Lr $ACTUAL_PATH/* $OUTPUT_BASE/$i/lib
}
popd > /dev/null

echo '***'
echo 'Dumping package dependencies:':
echo ''
echo 'dependency_overrides:'
pushd $PACKAGES_OUTPUT > /dev/null
for i in [*] {
  echo -e "  $i:\n    path: ../../third_party/$PACKAGES_OUTPUT/$i"
}
popd > /dev/null
echo ''
echo '***'
echo -n 'Now run: rsync -a --delete observatory_pub_packages/ '
echo '~/workspace/dart-third_party/observatory_pub_packages/'
echo 'Then: '
echo 'cd ~/workspace/dart-third_party/observatory_pub_packages/'
echo "svn status | grep ^? | sed 's/?    //' | xargs svn add"
echo "svn st | grep ^! | sed 's/!    //' | xargs svn rm"
echo '***'
(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:PUBSPEC_INPUT)
          op: Equal
          rhs: {(DQ (pubspec.template))}
          spids: [15]
        )
      ]
      spids: [15]
    )
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:PUBSPEC_OUTPUT)
          op: Equal
          rhs: {(DQ (pubspec.yaml))}
          spids: [20]
        )
      ]
      spids: [20]
    )
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:PACKAGES_INPUT)
          op: Equal
          rhs: {(DQ (packages))}
          spids: [25]
        )
      ]
      spids: [25]
    )
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:PACKAGES_OUTPUT)
          op: Equal
          rhs: {(DQ (observatory_pub_packages))}
          spids: [30]
        )
      ]
      spids: [30]
    )
    (If
      arms: [
        (if_arm
          cond: [
            (Sentence
              child: 
                (C {(Lit_Other "[")} {(KW_Bang "!")} {(-d)} {(DQ (../maintainers))} {(Lit_Other "]")})
              terminator: <Op_Semi ";">
            )
          ]
          action: [
            (C {(echo)} {(DQ ("Please run this script from the maintainers directory"))})
            (C {(exit)})
          ]
          spids: [-1 51]
        )
      ]
      spids: [-1 63]
    )
    (If
      arms: [
        (if_arm
          cond: [
            (Sentence
              child: 
                (C {(Lit_Other "[")} {(KW_Bang "!")} {(-f)} {($ VSub_Name "$PUBSPEC_INPUT")} 
                  {(Lit_Other "]")}
                )
              terminator: <Op_Semi ";">
            )
          ]
          action: [(C {(echo)} {(DQ ("Cannot find ") ($ VSub_Name "$PUBSPEC_INPUT"))}) (C {(exit)})]
          spids: [-1 79]
        )
      ]
      spids: [-1 92]
    )
    (C {(rm)} {(-f)} {($ VSub_Name "$PUBSPEC_OUTPUT")})
    (C {(rm)} {(-rf)} {($ VSub_Name "$PACKAGES_INPUT")})
    (C {(rm)} {(-rf)} {($ VSub_Name "$PACKAGES_OUTPUT")})
    (C {(cp)} {($ VSub_Name "$PUBSPEC_INPUT")} {($ VSub_Name "$PUBSPEC_OUTPUT")})
    (C {(pub)} {(get)})
    (C {(mkdir)} {($ VSub_Name "$PACKAGES_OUTPUT")})
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:OUTPUT_BASE)
          op: Equal
          rhs: 
            {
              (CommandSubPart
                command_list: 
                  (CommandList
                    children: [(C {(realpath)} {($ VSub_Name "$PACKAGES_OUTPUT")})]
                  )
                left_token: <Left_Backtick "`">
                spids: [144 148]
              )
            }
          spids: [143]
        )
      ]
      spids: [143]
    )
    (SimpleCommand
      words: [{(pushd)} {($ VSub_Name "$PACKAGES_INPUT")}]
      redirects: [(Redir op_id:Redir_Great fd:-1 arg_word:{(/dev/null)} spids:[157])]
    )
    (ForEach
      iter_name: i
      iter_words: [{(Lit_Other "*")}]
      do_arg_iter: False
      body: 
        (DoGroup
          children: [
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:ACTUAL_PATH)
                  op: Equal
                  rhs: 
                    {
                      (CommandSubPart
                        command_list: (CommandList children:[(C {(realpath)} {($ VSub_Name "$i")})])
                        left_token: <Left_Backtick "`">
                        spids: [174 178]
                      )
                    }
                  spids: [173]
                )
              ]
              spids: [173]
            )
            (C {(mkdir)} {($ VSub_Name "$OUTPUT_BASE") (/) ($ VSub_Name "$i")})
            (C {(mkdir)} {($ VSub_Name "$OUTPUT_BASE") (/) ($ VSub_Name "$i") (/lib)})
            (C {(cp)} {($ VSub_Name "$ACTUAL_PATH") (/../pubspec.yaml)} 
              {($ VSub_Name "$OUTPUT_BASE") (/) ($ VSub_Name "$i") (/pubspec.yaml)}
            )
            (C {(rsync)} {(-Lr)} {($ VSub_Name "$ACTUAL_PATH") (/) (Lit_Other "*")} 
              {($ VSub_Name "$OUTPUT_BASE") (/) ($ VSub_Name "$i") (/lib)}
            )
          ]
          spids: [170 220]
        )
      spids: [166 168]
    )
    (SimpleCommand
      words: [{(popd)}]
      redirects: [(Redir op_id:Redir_Great fd:-1 arg_word:{(/dev/null)} spids:[224])]
    )
    (C {(echo)} {(SQ <"***">)})
    (C {(echo)} {(SQ <"Dumping package dependencies:">) (Lit_Other ":")})
    (C {(echo)} {(SQ )})
    (C {(echo)} {(SQ <"dependency_overrides:">)})
    (SimpleCommand
      words: [{(pushd)} {($ VSub_Name "$PACKAGES_OUTPUT")}]
      redirects: [(Redir op_id:Redir_Great fd:-1 arg_word:{(/dev/null)} spids:[257])]
    )
    (ForEach
      iter_name: i
      iter_words: [{(Lit_Other "*")}]
      do_arg_iter: False
      body: 
        (DoGroup
          children: [
            (C {(echo)} {(-e)} 
              {
                (DQ ("  ") ($ VSub_Name "$i") (":") (EscapedLiteralPart token:<Lit_EscapedChar "\\n">) 
                  ("    path: ../../third_party/") ($ VSub_Name "$PACKAGES_OUTPUT") (/) ($ VSub_Name "$i")
                )
              }
            )
          ]
          spids: [270 288]
        )
      spids: [266 268]
    )
    (SimpleCommand
      words: [{(popd)}]
      redirects: [(Redir op_id:Redir_Great fd:-1 arg_word:{(/dev/null)} spids:[292])]
    )
    (C {(echo)} {(SQ )})
    (C {(echo)} {(SQ <"***">)})
    (C {(echo)} {(-n)} {(SQ <"Now run: rsync -a --delete observatory_pub_packages/ ">)})
    (C {(echo)} {(SQ <"~/workspace/dart-third_party/observatory_pub_packages/">)})
    (C {(echo)} {(SQ <"Then: ">)})
    (C {(echo)} {(SQ <"cd ~/workspace/dart-third_party/observatory_pub_packages/">)})
    (C {(echo)} {(DQ ("svn status | grep ^? | sed 's/?    //' | xargs svn add"))})
    (C {(echo)} {(DQ ("svn st | grep ^! | sed 's/!    //' | xargs svn rm"))})
    (C {(echo)} {(SQ <"***">)})
  ]
)