github.com/docker/docker@v299999999.0.0-20200612211812-aaf470eca7b5+incompatible/integration/build/testdata/Dockerfile.TestBuildPreserveOwnership (about)

     1  # Set up files and directories with known ownership
     2  FROM busybox AS source
     3  RUN touch /file && chown 100:200 /file \
     4   && mkdir -p /dir/subdir \
     5   && touch /dir/subdir/nestedfile \
     6   && chown 100:200 /dir \
     7   && chown 101:201 /dir/subdir \
     8   && chown 102:202 /dir/subdir/nestedfile
     9  
    10  FROM busybox AS test_base
    11  RUN mkdir -p /existingdir/existingsubdir \
    12   && touch /existingdir/existingfile \
    13   && chown 500:600 /existingdir \
    14   && chown 501:601 /existingdir/existingsubdir \
    15   && chown 501:601 /existingdir/existingfile
    16  
    17  
    18  # Copy files from the source stage
    19  FROM test_base AS copy_from
    20  COPY --from=source /file .
    21  # Copy to a non-existing target directory creates the target directory (as root), then copies the _contents_ of the source directory into it
    22  COPY --from=source /dir /dir
    23  # Copying to an existing target directory will copy the _contents_ of the source directory into it
    24  COPY --from=source /dir/. /existingdir
    25  
    26  RUN e="100:200"; p="/file"                         ; a=`stat -c "%u:%g" "$p"`; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
    27   && e="0:0";     p="/dir"                          ; a=`stat -c "%u:%g" "$p"`; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
    28   && e="101:201"; p="/dir/subdir"                   ; a=`stat -c "%u:%g" "$p"`; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
    29   && e="102:202"; p="/dir/subdir/nestedfile"        ; a=`stat -c "%u:%g" "$p"`; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
    30  # Existing files and directories ownership should not be modified
    31   && e="500:600"; p="/existingdir"                  ; a=`stat -c "%u:%g" "$p"`; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
    32   && e="501:601"; p="/existingdir/existingsubdir"   ; a=`stat -c "%u:%g" "$p"`; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
    33   && e="501:601"; p="/existingdir/existingfile"     ; a=`stat -c "%u:%g" "$p"`; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
    34  # But new files and directories should maintain their ownership
    35   && e="101:201"; p="/existingdir/subdir"           ; a=`stat -c "%u:%g" "$p"`; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
    36   && e="102:202"; p="/existingdir/subdir/nestedfile"; a=`stat -c "%u:%g" "$p"`; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi
    37  
    38  
    39  # Copy files from the source stage and chown them.
    40  FROM test_base AS copy_from_chowned
    41  COPY --from=source --chown=300:400 /file .
    42  # Copy to a non-existing target directory creates the target directory (as root), then copies the _contents_ of the source directory into it
    43  COPY --from=source --chown=300:400 /dir /dir
    44  # Copying to an existing target directory copies the _contents_ of the source directory into it
    45  COPY --from=source --chown=300:400 /dir/. /existingdir
    46  
    47  RUN e="300:400"; p="/file"                         ; a=`stat -c "%u:%g" "$p"`; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
    48   && e="300:400"; p="/dir"                          ; a=`stat -c "%u:%g" "$p"`; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
    49   && e="300:400"; p="/dir/subdir"                   ; a=`stat -c "%u:%g" "$p"`; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
    50   && e="300:400"; p="/dir/subdir/nestedfile"        ; a=`stat -c "%u:%g" "$p"`; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
    51  # Existing files and directories ownership should not be modified
    52   && e="500:600"; p="/existingdir"                  ; a=`stat -c "%u:%g" "$p"`; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
    53   && e="501:601"; p="/existingdir/existingsubdir"   ; a=`stat -c "%u:%g" "$p"`; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
    54   && e="501:601"; p="/existingdir/existingfile"     ; a=`stat -c "%u:%g" "$p"`; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
    55  # But new files and directories should be chowned
    56   && e="300:400"; p="/existingdir/subdir"           ; a=`stat -c "%u:%g" "$p"`; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi \
    57   && e="300:400"; p="/existingdir/subdir/nestedfile"; a=`stat -c "%u:%g" "$p"`; if [ "$a" != "$e" ]; then echo "incorrect ownership on $p. expected $e, got $a"; exit 1; fi