Andrew's git - gitweb.git/blob - t/t5522-pull-symlink.sh

   1#!/bin/sh
   2
   3test_description='pulling from symlinked subdir'
   4
   5. ./test-lib.sh
   6
   7if ! test_have_prereq SYMLINKS
   8then
   9        say 'Symbolic links not supported, skipping tests.'
  10        test_done
  11fi
  12
  13# The scenario we are building:
  14#
  15#   trash\ directory/
  16#     clone-repo/
  17#       subdir/
  18#         bar
  19#     subdir-link -> clone-repo/subdir/
  20#
  21# The working directory is subdir-link.
  22
  23mkdir subdir
  24echo file >subdir/file
  25git add subdir/file
  26git commit -q -m file
  27git clone -q . clone-repo
  28ln -s clone-repo/subdir/ subdir-link
  29
  30
  31# Demonstrate that things work if we just avoid the symlink
  32#
  33test_expect_success 'pulling from real subdir' '
  34        (
  35                echo real >subdir/file &&
  36                git commit -m real subdir/file &&
  37                cd clone-repo/subdir/ &&
  38                git pull &&
  39                test real = $(cat file)
  40        )
  41'
  42
  43# From subdir-link, pulling should work as it does from
  44# clone-repo/subdir/.
  45#
  46# Instead, the error pull gave was:
  47#
  48#   fatal: 'origin': unable to chdir or not a git archive
  49#   fatal: The remote end hung up unexpectedly
  50#
  51# because git would find the .git/config for the "trash directory"
  52# repo, not for the clone-repo repo.  The "trash directory" repo
  53# had no entry for origin.  Git found the wrong .git because
  54# git rev-parse --show-cdup printed a path relative to
  55# clone-repo/subdir/, not subdir-link/.  Git rev-parse --show-cdup
  56# used the correct .git, but when the git pull shell script did
  57# "cd `git rev-parse --show-cdup`", it ended up in the wrong
  58# directory.  A POSIX shell's "cd" works a little differently
  59# than chdir() in C; "cd -P" is much closer to chdir().
  60#
  61test_expect_success 'pulling from symlinked subdir' '
  62        (
  63                echo link >subdir/file &&
  64                git commit -m link subdir/file &&
  65                cd subdir-link/ &&
  66                git pull &&
  67                test link = $(cat file)
  68        )
  69'
  70
  71# Prove that the remote end really is a repo, and other commands
  72# work fine in this context.  It's just that "git pull" breaks.
  73#
  74test_expect_success 'pushing from symlinked subdir' '
  75        (
  76                cd subdir-link/ &&
  77                echo push >file &&
  78                git commit -m push ./file &&
  79                git push
  80        ) &&
  81        test push = $(git show HEAD:subdir/file)
  82'
  83
  84test_done