t/t0000-basic.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Junio C Hamano
   4 #
   5
   6 test_description='Test the very basics part #1.
   7
   8 The rest of the test suite does not check the basic operation of git
   9 plumbing commands to work very carefully.  Their job is to concentrate
  10 on tricky features that caused bugs in the past to detect regression.
  11
  12 This test runs very basic features, like registering things in cache,
  13 writing tree, etc.
  14
  15 Note that this test *deliberately* hard-codes many expected object
  16 IDs.  When object ID computation changes, like in the previous case of
  17 swapping compression and hashing order, the person who is making the
  18 modification *should* take notice and update the test vectors here.
  19 '
  20
  21 ################################################################
  22 # It appears that people try to run tests without building...
  23
  24 ../git >/dev/null
  25 if test $? != 1
  26 then
  27         echo >&2 'You do not seem to have built git yet.'
  28         exit 1
  29 fi
  30
  31 . ./test-lib.sh
  32
  33 test "$no_symlinks" && {
  34         DIFF=$(which diff)
  35
  36         function diff () {
  37                 opt=
  38                 case "$1" in -*) opt=$1; shift;; esac
  39                 tr -d "\015" < $1 > $1.doof
  40                 grep -v "^:\?120000" < $2 | \
  41                         sed -e s/58a09c23e2ca152193f2786e06986b7b6712bdbe/600f42758e4458c37c2c1f8063378f540b4efad7/ \
  42                             -e s/21ae8269cacbe57ae09138dcc3a2887f904d02b3/cfb8591b2f65de8b8cc1020cd7d9e67e7793b325/ \
  43                             -e s/3c5e5399f3a333eddecce7a9b9465b63f65f51e2/ce580448f0148b985a513b693fdf7d802cacb44f/ \
  44                         > $2.doof
  45                 $DIFF $opt $1.doof $2.doof
  46         }
  47 }
  48
  49 ################################################################
  50 # git init has been done in an empty repository.
  51 # make sure it is empty.
  52
  53 find .git/objects -type f -print >should-be-empty
  54 test_expect_success \
  55     '.git/objects should be empty after git init in an empty repo.' \
  56     'cmp -s /dev/null should-be-empty'
  57
  58 # also it should have 2 subdirectories; no fan-out anymore, pack, and info.
  59 # 3 is counting "objects" itself
  60 find .git/objects -type d -print >full-of-directories
  61 test_expect_success \
  62     '.git/objects should have 3 subdirectories.' \
  63     'test $(wc -l < full-of-directories) = 3'
  64
  65 ################################################################
  66 # Test harness
  67 test_expect_success 'success is reported like this' '
  68     :
  69 '
  70 test_expect_failure 'pretend we have a known breakage' '
  71     false
  72 '
  73 test_expect_failure 'pretend we have fixed a known breakage' '
  74     :
  75 '
  76
  77 ################################################################
  78 # Basics of the basics
  79
  80 # updating a new file without --add should fail.
  81 test_expect_success 'git update-index without --add should fail adding.' '
  82     ! git update-index should-be-empty
  83 '
  84
  85 # and with --add it should succeed, even if it is empty (it used to fail).
  86 test_expect_success \
  87     'git update-index with --add should succeed.' \
  88     'git update-index --add should-be-empty'
  89
  90 test_expect_success \
  91     'writing tree out with git write-tree' \
  92     'tree=$(git write-tree)'
  93
  94 # we know the shape and contents of the tree and know the object ID for it.
  95 test_expect_success \
  96     'validate object ID of a known tree.' \
  97     'test "$tree" = 7bb943559a305bdd6bdee2cef6e5df2413c3d30a'
  98
  99 # Removing paths.
 100 rm -f should-be-empty full-of-directories
 101 test_expect_success 'git update-index without --remove should fail removing.' '
 102     ! git update-index should-be-empty
 103 '
 104
 105 test_expect_success \
 106     'git update-index with --remove should be able to remove.' \
 107     'git update-index --remove should-be-empty'
 108
 109 # Empty tree can be written with recent write-tree.
 110 test_expect_success \
 111     'git write-tree should be able to write an empty tree.' \
 112     'tree=$(git write-tree)'
 113
 114 test_expect_success \
 115     'validate object ID of a known tree.' \
 116     'test "$tree" = 4b825dc642cb6eb9a060e54bf8d69288fbee4904'
 117
 118 # Various types of objects
 119 mkdir path2 path3 path3/subp3
 120 for p in path0 path2/file2 path3/file3 path3/subp3/file3
 121 do
 122     echo "hello $p" >$p
 123     ln -s "hello $p" ${p}sym
 124 done
 125 test_expect_success \
 126     'adding various types of objects with git update-index --add.' \
 127     'find path* ! -type d -print | xargs git update-index --add'
 128
 129 # Show them and see that matches what we expect.
 130 test_expect_success \
 131     'showing stage with git ls-files --stage' \
 132     'git ls-files --stage >current'
 133
 134 cat >expected <<\EOF
 135 100644 f87290f8eb2cbbea7857214459a0739927eab154 0       path0
 136 120000 15a98433ae33114b085f3eb3bb03b832b3180a01 0       path0sym
 137 100644 3feff949ed00a62d9f7af97c15cd8a30595e7ac7 0       path2/file2
 138 120000 d8ce161addc5173867a3c3c730924388daedbc38 0       path2/file2sym
 139 100644 0aa34cae68d0878578ad119c86ca2b5ed5b28376 0       path3/file3
 140 120000 8599103969b43aff7e430efea79ca4636466794f 0       path3/file3sym
 141 100644 00fb5908cb97c2564a9783c0c64087333b3b464f 0       path3/subp3/file3
 142 120000 6649a1ebe9e9f1c553b66f5a6e74136a07ccc57c 0       path3/subp3/file3sym
 143 EOF
 144
 145 test_expect_success \
 146     'validate git ls-files output for a known tree.' \
 147     'diff current expected'
 148
 149 test_expect_success \
 150     'writing tree out with git write-tree.' \
 151     'tree=$(git write-tree)'
 152 expected_tree=087704a96baf1c2d1c869a8b084481e121c88b5b
 153 test "$no_symlinks" && expected_tree=8e18edf7d7edcf4371a3ac6ae5f07c2641db7c46
 154 test_expect_success \
 155     'validate object ID for a known tree.' \
 156     'test "$tree" = "$expected_tree"'
 157
 158 test_expect_success \
 159     'showing tree with git ls-tree' \
 160     'git ls-tree $tree >current'
 161 cat >expected <<\EOF
 162 100644 blob f87290f8eb2cbbea7857214459a0739927eab154    path0
 163 120000 blob 15a98433ae33114b085f3eb3bb03b832b3180a01    path0sym
 164 040000 tree 58a09c23e2ca152193f2786e06986b7b6712bdbe    path2
 165 040000 tree 21ae8269cacbe57ae09138dcc3a2887f904d02b3    path3
 166 EOF
 167 test_expect_success \
 168     'git ls-tree output for a known tree.' \
 169     'diff current expected'
 170
 171 # This changed in ls-tree pathspec change -- recursive does
 172 # not show tree nodes anymore.
 173 test_expect_success \
 174     'showing tree with git ls-tree -r' \
 175     'git ls-tree -r $tree >current'
 176 cat >expected <<\EOF
 177 100644 blob f87290f8eb2cbbea7857214459a0739927eab154    path0
 178 120000 blob 15a98433ae33114b085f3eb3bb03b832b3180a01    path0sym
 179 100644 blob 3feff949ed00a62d9f7af97c15cd8a30595e7ac7    path2/file2
 180 120000 blob d8ce161addc5173867a3c3c730924388daedbc38    path2/file2sym
 181 100644 blob 0aa34cae68d0878578ad119c86ca2b5ed5b28376    path3/file3
 182 120000 blob 8599103969b43aff7e430efea79ca4636466794f    path3/file3sym
 183 100644 blob 00fb5908cb97c2564a9783c0c64087333b3b464f    path3/subp3/file3
 184 120000 blob 6649a1ebe9e9f1c553b66f5a6e74136a07ccc57c    path3/subp3/file3sym
 185 EOF
 186 test_expect_success \
 187     'git ls-tree -r output for a known tree.' \
 188     'diff current expected'
 189
 190 # But with -r -t we can have both.
 191 test_expect_success \
 192     'showing tree with git ls-tree -r -t' \
 193     'git ls-tree -r -t $tree >current'
 194 cat >expected <<\EOF
 195 100644 blob f87290f8eb2cbbea7857214459a0739927eab154    path0
 196 120000 blob 15a98433ae33114b085f3eb3bb03b832b3180a01    path0sym
 197 040000 tree 58a09c23e2ca152193f2786e06986b7b6712bdbe    path2
 198 100644 blob 3feff949ed00a62d9f7af97c15cd8a30595e7ac7    path2/file2
 199 120000 blob d8ce161addc5173867a3c3c730924388daedbc38    path2/file2sym
 200 040000 tree 21ae8269cacbe57ae09138dcc3a2887f904d02b3    path3
 201 100644 blob 0aa34cae68d0878578ad119c86ca2b5ed5b28376    path3/file3
 202 120000 blob 8599103969b43aff7e430efea79ca4636466794f    path3/file3sym
 203 040000 tree 3c5e5399f3a333eddecce7a9b9465b63f65f51e2    path3/subp3
 204 100644 blob 00fb5908cb97c2564a9783c0c64087333b3b464f    path3/subp3/file3
 205 120000 blob 6649a1ebe9e9f1c553b66f5a6e74136a07ccc57c    path3/subp3/file3sym
 206 EOF
 207 test_expect_success \
 208     'git ls-tree -r output for a known tree.' \
 209     'diff current expected'
 210
 211 test_expect_success \
 212     'writing partial tree out with git write-tree --prefix.' \
 213     'ptree=$(git write-tree --prefix=path3)'
 214 expected_tree=21ae8269cacbe57ae09138dcc3a2887f904d02b3
 215 test "$no_symlinks" && expected_tree=cfb8591b2f65de8b8cc1020cd7d9e67e7793b325
 216 test_expect_success \
 217     'validate object ID for a known tree.' \
 218     'test "$ptree" = "$expected_tree"'
 219
 220 test_expect_success \
 221     'writing partial tree out with git write-tree --prefix.' \
 222     'ptree=$(git write-tree --prefix=path3/subp3)'
 223 expect_tree=3c5e5399f3a333eddecce7a9b9465b63f65f51e2
 224 test "$no_symlinks" && expect_tree=ce580448f0148b985a513b693fdf7d802cacb44f
 225 test_expect_success \
 226     'validate object ID for a known tree.' \
 227     'test "$ptree" = "$expect_tree"'
 228
 229 cat >badobjects <<EOF
 230 100644 blob 1000000000000000000000000000000000000000    dir/file1
 231 100644 blob 2000000000000000000000000000000000000000    dir/file2
 232 100644 blob 3000000000000000000000000000000000000000    dir/file3
 233 100644 blob 4000000000000000000000000000000000000000    dir/file4
 234 100644 blob 5000000000000000000000000000000000000000    dir/file5
 235 EOF
 236
 237 rm .git/index
 238 test_expect_success \
 239     'put invalid objects into the index.' \
 240     'git update-index --index-info < badobjects'
 241
 242 test_expect_success 'writing this tree without --missing-ok.' '
 243     ! git write-tree
 244 '
 245
 246 test_expect_success \
 247     'writing this tree with --missing-ok.' \
 248     'git write-tree --missing-ok'
 249
 250
 251 ################################################################
 252 rm .git/index
 253 test_expect_success \
 254     'git read-tree followed by write-tree should be idempotent.' \
 255     'git read-tree $tree &&
 256      test -f .git/index &&
 257      newtree=$(git write-tree) &&
 258      test "$newtree" = "$tree"'
 259
 260 cat >expected <<\EOF
 261 :100644 100644 f87290f8eb2cbbea7857214459a0739927eab154 0000000000000000000000000000000000000000 M      path0
 262 :120000 120000 15a98433ae33114b085f3eb3bb03b832b3180a01 0000000000000000000000000000000000000000 M      path0sym
 263 :100644 100644 3feff949ed00a62d9f7af97c15cd8a30595e7ac7 0000000000000000000000000000000000000000 M      path2/file2
 264 :120000 120000 d8ce161addc5173867a3c3c730924388daedbc38 0000000000000000000000000000000000000000 M      path2/file2sym
 265 :100644 100644 0aa34cae68d0878578ad119c86ca2b5ed5b28376 0000000000000000000000000000000000000000 M      path3/file3
 266 :120000 120000 8599103969b43aff7e430efea79ca4636466794f 0000000000000000000000000000000000000000 M      path3/file3sym
 267 :100644 100644 00fb5908cb97c2564a9783c0c64087333b3b464f 0000000000000000000000000000000000000000 M      path3/subp3/file3
 268 :120000 120000 6649a1ebe9e9f1c553b66f5a6e74136a07ccc57c 0000000000000000000000000000000000000000 M      path3/subp3/file3sym
 269 EOF
 270 test_expect_success \
 271     'validate git diff-files output for a know cache/work tree state.' \
 272     'git diff-files >current && diff >/dev/null -b current expected'
 273
 274 test_expect_success \
 275     'git update-index --refresh should succeed.' \
 276     'git update-index --refresh'
 277
 278 test_expect_success \
 279     'no diff after checkout and git update-index --refresh.' \
 280     'git diff-files >current && cmp -s current /dev/null'
 281
 282 ################################################################
 283 P=087704a96baf1c2d1c869a8b084481e121c88b5b
 284 test "$no_symlinks" && P=7bb943559a305bdd6bdee2cef6e5df2413c3d30a
 285 test_expect_success \
 286     'git commit-tree records the correct tree in a commit.' \
 287     'commit0=$(echo NO | git commit-tree $P) &&
 288      tree=$(git show --pretty=raw $commit0 |
 289          sed -n -e "s/^tree //p" -e "/^author /q") &&
 290      test "z$tree" = "z$P"'
 291
 292 test_expect_success \
 293     'git commit-tree records the correct parent in a commit.' \
 294     'commit1=$(echo NO | git commit-tree $P -p $commit0) &&
 295      parent=$(git show --pretty=raw $commit1 |
 296          sed -n -e "s/^parent //p" -e "/^author /q") &&
 297      test "z$commit0" = "z$parent"'
 298
 299 test_expect_success \
 300     'git commit-tree omits duplicated parent in a commit.' \
 301     'commit2=$(echo NO | git commit-tree $P -p $commit0 -p $commit0) &&
 302      parent=$(git show --pretty=raw $commit2 |
 303          sed -n -e "s/^parent //p" -e "/^author /q" |
 304          sort -u) &&
 305      test "z$commit0" = "z$parent" &&
 306      numparent=$(git show --pretty=raw $commit2 |
 307          sed -n -e "s/^parent //p" -e "/^author /q" |
 308          wc -l) &&
 309      test $numparent = 1'
 310
 311 test_expect_success 'update-index D/F conflict' '
 312         mv path0 tmp &&
 313         mv path2 path0 &&
 314         mv tmp path2 &&
 315         git update-index --add --replace path2 path0/file2 &&
 316         numpath0=$(git ls-files path0 | wc -l) &&
 317         test $numpath0 = 1
 318 '
 319
 320 test "$no_symlinks" ||
 321 test_expect_success 'absolute path works as expected' '
 322         mkdir first &&
 323         ln -s ../.git first/.git &&
 324         mkdir second &&
 325         ln -s ../first second/other &&
 326         mkdir third &&
 327         dir="$(cd .git; pwd -P)" &&
 328         dir2=third/../second/other/.git &&
 329         test "$dir" = "$(test-absolute-path $dir2)" &&
 330         file="$dir"/index &&
 331         test "$file" = "$(test-absolute-path $dir2/index)" &&
 332         basename=blub &&
 333         test "$dir/$basename" = "$(cd .git && test-absolute-path "$basename")" &&
 334         ln -s ../first/file .git/syml &&
 335         sym="$(cd first; pwd -P)"/file &&
 336         test "$sym" = "$(test-absolute-path "$dir2/syml")"
 337 '
 338
 339 test_expect_success 'very long name in the index handled sanely' '
 340
 341         a=a && # 1
 342         a=$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a && # 16
 343         a=$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a && # 256
 344         a=$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a && # 4096
 345         a=${a}q &&
 346
 347         >path4 &&
 348         git update-index --add path4 &&
 349         (
 350                 git ls-files -s path4 |
 351                 sed -e "s/      .*/     /" |
 352                 tr -d "\012"
 353                 echo "$a"
 354         ) | git update-index --index-info &&
 355         len=$(git ls-files "a*" | wc -c) &&
 356         test $len = 4098
 357 '
 358
 359 test_done