Andrew's git - gitweb.git/blob - t/t5700-clone-reference.sh

   1#!/bin/sh
   2#
   3# Copyright (C) 2006 Martin Waitz <tali@admingilde.org>
   4#
   5
   6test_description='test clone --reference'
   7. ./test-lib.sh
   8
   9base_dir=`pwd`
  10
  11U=$base_dir/UPLOAD_LOG
  12
  13test_expect_success 'preparing first repository' \
  14'test_create_repo A && cd A &&
  15echo first > file1 &&
  16git add file1 &&
  17git commit -m initial'
  18
  19cd "$base_dir"
  20
  21test_expect_success 'preparing second repository' \
  22'git clone A B && cd B &&
  23echo second > file2 &&
  24git add file2 &&
  25git commit -m addition &&
  26git repack -a -d &&
  27git prune'
  28
  29cd "$base_dir"
  30
  31test_expect_success 'cloning with reference (-l -s)' \
  32'git clone -l -s --reference B A C'
  33
  34cd "$base_dir"
  35
  36test_expect_success 'existence of info/alternates' \
  37'test_line_count = 2 C/.git/objects/info/alternates'
  38
  39cd "$base_dir"
  40
  41test_expect_success 'pulling from reference' \
  42'cd C &&
  43git pull ../B master'
  44
  45cd "$base_dir"
  46
  47test_expect_success 'that reference gets used' \
  48'cd C &&
  49echo "0 objects, 0 kilobytes" > expected &&
  50git count-objects > current &&
  51test_cmp expected current'
  52
  53cd "$base_dir"
  54
  55rm -f "$U.D"
  56
  57test_expect_success 'cloning with reference (no -l -s)' '
  58        GIT_TRACE_PACKET=$U.D git clone --reference B "file://$(pwd)/A" D
  59'
  60
  61test_expect_success 'fetched no objects' '
  62        test -s "$U.D" &&
  63        ! grep " want" "$U.D"
  64'
  65
  66cd "$base_dir"
  67
  68test_expect_success 'existence of info/alternates' \
  69'test_line_count = 1 D/.git/objects/info/alternates'
  70
  71cd "$base_dir"
  72
  73test_expect_success 'pulling from reference' \
  74'cd D && git pull ../B master'
  75
  76cd "$base_dir"
  77
  78test_expect_success 'that reference gets used' \
  79'cd D && echo "0 objects, 0 kilobytes" > expected &&
  80git count-objects > current &&
  81test_cmp expected current'
  82
  83cd "$base_dir"
  84
  85test_expect_success 'updating origin' \
  86'cd A &&
  87echo third > file3 &&
  88git add file3 &&
  89git commit -m update &&
  90git repack -a -d &&
  91git prune'
  92
  93cd "$base_dir"
  94
  95test_expect_success 'pulling changes from origin' \
  96'cd C &&
  97git pull origin'
  98
  99cd "$base_dir"
 100
 101# the 2 local objects are commit and tree from the merge
 102test_expect_success 'that alternate to origin gets used' \
 103'cd C &&
 104echo "2 objects" > expected &&
 105git count-objects | cut -d, -f1 > current &&
 106test_cmp expected current'
 107
 108cd "$base_dir"
 109
 110test_expect_success 'pulling changes from origin' \
 111'cd D &&
 112git pull origin'
 113
 114cd "$base_dir"
 115
 116# the 5 local objects are expected; file3 blob, commit in A to add it
 117# and its tree, and 2 are our tree and the merge commit.
 118test_expect_success 'check objects expected to exist locally' \
 119'cd D &&
 120echo "5 objects" > expected &&
 121git count-objects | cut -d, -f1 > current &&
 122test_cmp expected current'
 123
 124cd "$base_dir"
 125
 126test_expect_success 'preparing alternate repository #1' \
 127'test_create_repo F && cd F &&
 128echo first > file1 &&
 129git add file1 &&
 130git commit -m initial'
 131
 132cd "$base_dir"
 133
 134test_expect_success 'cloning alternate repo #2 and adding changes to repo #1' \
 135'git clone F G && cd F &&
 136echo second > file2 &&
 137git add file2 &&
 138git commit -m addition'
 139
 140cd "$base_dir"
 141
 142test_expect_success 'cloning alternate repo #1, using #2 as reference' \
 143'git clone --reference G F H'
 144
 145cd "$base_dir"
 146
 147test_expect_success 'cloning with reference being subset of source (-l -s)' \
 148'git clone -l -s --reference A B E'
 149
 150cd "$base_dir"
 151
 152test_expect_success 'clone with reference from a tagged repository' '
 153        (
 154                cd A && git tag -a -m 'tagged' HEAD
 155        ) &&
 156        git clone --reference=A A I
 157'
 158
 159test_expect_success 'prepare branched repository' '
 160        git clone A J &&
 161        (
 162                cd J &&
 163                git checkout -b other master^ &&
 164                echo other >otherfile &&
 165                git add otherfile &&
 166                git commit -m other &&
 167                git checkout master
 168        )
 169'
 170
 171rm -f "$U.K"
 172
 173test_expect_success 'fetch with incomplete alternates' '
 174        git init K &&
 175        echo "$base_dir/A/.git/objects" >K/.git/objects/info/alternates &&
 176        (
 177                cd K &&
 178                git remote add J "file://$base_dir/J" &&
 179                GIT_TRACE_PACKET=$U.K git fetch J
 180        ) &&
 181        master_object=$(cd A && git for-each-ref --format="%(objectname)" refs/heads/master) &&
 182        test -s "$U.K" &&
 183        ! grep " want $master_object" "$U.K" &&
 184        tag_object=$(cd A && git for-each-ref --format="%(objectname)" refs/tags/HEAD) &&
 185        ! grep " want $tag_object" "$U.K"
 186'
 187
 188test_expect_success 'clone using repo with gitfile as a reference' '
 189        git clone --separate-git-dir=L A M &&
 190        git clone --reference=M A N &&
 191        echo "$base_dir/L/objects" >expected &&
 192        test_cmp expected "$base_dir/N/.git/objects/info/alternates"
 193'
 194
 195test_expect_success 'clone using repo pointed at by gitfile as reference' '
 196        git clone --reference=M/.git A O &&
 197        echo "$base_dir/L/objects" >expected &&
 198        test_cmp expected "$base_dir/O/.git/objects/info/alternates"
 199'
 200
 201test_done