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git-commit-vandalism/t/t9300-fast-import.sh
Shawn O. Pearce 7073e69e38 Don't do non-fastforward updates in fast-import. 
If fast-import is being used to update an existing branch of
a repository, the user may not want to lose commits if another
process updates the same ref at the same time.  For example, the
user might be using fast-import to make just one or two commits
against a live branch.

We now perform a fast-forward check during the ref updating process.
If updating a branch would cause commits in that branch to be lost,
we skip over it and display the new SHA1 to standard error.

This new default behavior can be overridden with `--force`, like
git-push and git-fetch.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-02-06 16:08:06 -05:00

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#!/bin/sh
#
# Copyright (c) 2007 Shawn Pearce
#
test_description='test git-fast-import utility'
. ./test-lib.sh
. ../diff-lib.sh ;# test-lib chdir's into trash
file2_data='file2
second line of EOF'
file3_data='EOF
in 3rd file
END'
file4_data=abcd
file4_len=4
file5_data='an inline file.
we should see it later.'
file6_data='#!/bin/sh
echo "$@"'
###
### series A
###
test_tick
cat >input <<INPUT_END
blob
mark :2
data <<EOF
$file2_data
EOF
blob
mark :3
data <<END
$file3_data
END
blob
mark :4
data $file4_len
$file4_data
commit refs/heads/master
mark :5
committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
data <<COMMIT
initial
COMMIT
M 644 :2 file2
M 644 :3 file3
M 755 :4 file4
INPUT_END
test_expect_success \
'A: create pack from stdin' \
'git-fast-import --export-marks=marks.out <input &&
git-whatchanged master'
test_expect_success \
'A: verify pack' \
'for p in .git/objects/pack/*.pack;do git-verify-pack $p||exit;done'
cat >expect <<EOF
author $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
initial
EOF
test_expect_success \
'A: verify commit' \
'git-cat-file commit master | sed 1d >actual &&
diff -u expect actual'
cat >expect <<EOF
100644 blob file2
100644 blob file3
100755 blob file4
EOF
test_expect_success \
'A: verify tree' \
'git-cat-file -p master^{tree} | sed "s/ [0-9a-f]* / /" >actual &&
diff -u expect actual'
echo "$file2_data" >expect
test_expect_success \
'A: verify file2' \
'git-cat-file blob master:file2 >actual && diff -u expect actual'
echo "$file3_data" >expect
test_expect_success \
'A: verify file3' \
'git-cat-file blob master:file3 >actual && diff -u expect actual'
printf "$file4_data" >expect
test_expect_success \
'A: verify file4' \
'git-cat-file blob master:file4 >actual && diff -u expect actual'
cat >expect <<EOF
:2 `git-rev-parse --verify master:file2`
:3 `git-rev-parse --verify master:file3`
:4 `git-rev-parse --verify master:file4`
:5 `git-rev-parse --verify master^0`
EOF
test_expect_success \
'A: verify marks output' \
'diff -u expect marks.out'
###
### series B
###
test_tick
cat >input <<INPUT_END
commit refs/heads/branch
mark :1
committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
data <<COMMIT
corrupt
COMMIT
from refs/heads/master
M 755 0000000000000000000000000000000000000001 zero1
INPUT_END
test_expect_failure \
'B: fail on invalid blob sha1' \
'git-fast-import <input'
rm -f .git/objects/pack_* .git/objects/index_*
###
### series C
###
newf=`echo hi newf | git-hash-object -w --stdin`
oldf=`git-rev-parse --verify master:file2`
test_tick
cat >input <<INPUT_END
commit refs/heads/branch
committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
data <<COMMIT
second
COMMIT
from refs/heads/master
M 644 $oldf file2/oldf
M 755 $newf file2/newf
D file3
INPUT_END
test_expect_success \
'C: incremental import create pack from stdin' \
'git-fast-import <input &&
git-whatchanged branch'
test_expect_success \
'C: verify pack' \
'for p in .git/objects/pack/*.pack;do git-verify-pack $p||exit;done'
test_expect_success \
'C: validate reuse existing blob' \
'test $newf = `git-rev-parse --verify branch:file2/newf`
test $oldf = `git-rev-parse --verify branch:file2/oldf`'
cat >expect <<EOF
parent `git-rev-parse --verify master^0`
author $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
second
EOF
test_expect_success \
'C: verify commit' \
'git-cat-file commit branch | sed 1d >actual &&
diff -u expect actual'
cat >expect <<EOF
:000000 100755 0000000000000000000000000000000000000000 f1fb5da718392694d0076d677d6d0e364c79b0bc A file2/newf
:100644 100644 7123f7f44e39be127c5eb701e5968176ee9d78b1 7123f7f44e39be127c5eb701e5968176ee9d78b1 R100 file2 file2/oldf
:100644 000000 0d92e9f3374ae2947c23aa477cbc68ce598135f1 0000000000000000000000000000000000000000 D file3
EOF
git-diff-tree -M -r master branch >actual
test_expect_success \
'C: validate rename result' \
'compare_diff_raw expect actual'
###
### series D
###
test_tick
cat >input <<INPUT_END
commit refs/heads/branch
committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
data <<COMMIT
third
COMMIT
from refs/heads/branch^0
M 644 inline newdir/interesting
data <<EOF
$file5_data
EOF
M 755 inline newdir/exec.sh
data <<EOF
$file6_data
EOF
INPUT_END
test_expect_success \
'D: inline data in commit' \
'git-fast-import <input &&
git-whatchanged branch'
test_expect_success \
'D: verify pack' \
'for p in .git/objects/pack/*.pack;do git-verify-pack $p||exit;done'
cat >expect <<EOF
:000000 100755 0000000000000000000000000000000000000000 35a59026a33beac1569b1c7f66f3090ce9c09afc A newdir/exec.sh
:000000 100644 0000000000000000000000000000000000000000 046d0371e9220107917db0d0e030628de8a1de9b A newdir/interesting
EOF
git-diff-tree -M -r branch^ branch >actual
test_expect_success \
'D: validate new files added' \
'compare_diff_raw expect actual'
echo "$file5_data" >expect
test_expect_success \
'D: verify file5' \
'git-cat-file blob branch:newdir/interesting >actual &&
diff -u expect actual'
echo "$file6_data" >expect
test_expect_success \
'D: verify file6' \
'git-cat-file blob branch:newdir/exec.sh >actual &&
diff -u expect actual'
###
### series E
###
cat >input <<INPUT_END
commit refs/heads/branch
author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> Tue Feb 6 11:22:18 2007 -0500
committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> Tue Feb 6 12:35:02 2007 -0500
data <<COMMIT
RFC 2822 type date
COMMIT
from refs/heads/branch^0
INPUT_END
test_expect_failure \
'E: rfc2822 date, --date-format=raw' \
'git-fast-import --date-format=raw <input'
test_expect_success \
'E: rfc2822 date, --date-format=rfc2822' \
'git-fast-import --date-format=rfc2822 <input'
test_expect_success \
'E: verify pack' \
'for p in .git/objects/pack/*.pack;do git-verify-pack $p||exit;done'
cat >expect <<EOF
author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> 1170778938 -0500
committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1170783302 -0500
RFC 2822 type date
EOF
test_expect_success \
'E: verify commit' \
'git-cat-file commit branch | sed 1,2d >actual &&
diff -u expect actual'
###
### series F
###
old_branch=`git-rev-parse --verify branch^0`
test_tick
cat >input <<INPUT_END
commit refs/heads/branch
committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
data <<COMMIT
losing things already?
COMMIT
from refs/heads/branch~1
reset refs/heads/other
from refs/heads/branch
INPUT_END
test_expect_success \
'F: non-fast-forward update skips' \
'if git-fast-import <input
then
echo BAD gfi did not fail
return 1
else
if test $old_branch = `git-rev-parse --verify branch^0`
then
: branch unaffected and failure returned
return 0
else
echo BAD gfi changed branch $old_branch
return 1
fi
fi
'
test_expect_success \
'F: verify pack' \
'for p in .git/objects/pack/*.pack;do git-verify-pack $p||exit;done'
cat >expect <<EOF
tree `git-rev-parse branch~1^{tree}`
parent `git-rev-parse branch~1`
author $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
losing things already?
EOF
test_expect_success \
'F: verify other commit' \
'git-cat-file commit other >actual &&
diff -u expect actual'
###
### series G
###
old_branch=`git-rev-parse --verify branch^0`
test_tick
cat >input <<INPUT_END
commit refs/heads/branch
committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
data <<COMMIT
losing things already?
COMMIT
from refs/heads/branch~1
INPUT_END
test_expect_success \
'G: non-fast-forward update forced' \
'git-fast-import --force <input'
test_expect_success \
'G: verify pack' \
'for p in .git/objects/pack/*.pack;do git-verify-pack $p||exit;done'
test_expect_success \
'G: branch changed, but logged' \
'test $old_branch != `git-rev-parse --verify branch^0` &&
test $old_branch = `git-rev-parse --verify branch@{1}`'
test_done
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