Create test case for fast-import.

Now that its easier to craft test cases (thanks to 'data <<')
we should start to verify fast-import works as expected.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

t/t9300-fast-import.sh

@@ -0,0 +1,184 @@
+#!/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
+
+###
+### series A
+###
+
+test_tick
+cat >input <<INPUT_END
+blob
+mark :2
+data <<EOF
+file2
+second line of EOF
+EOF
+
+blob
+mark :3
+data <<END
+EOF
+in 3rd file
+ END
+END
+
+blob
+mark :4
+data 4
+abcd
+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'
+
+cat >expect <<EOF
+file2
+second line of EOF
+EOF
+test_expect_success \
+	'A: verify file2' \
+	'git-cat-file blob master:file2 >actual && diff -u expect actual'
+
+cat >expect <<END
+EOF
+in 3rd file
+ END
+END
+test_expect_success \
+	'A: verify file3' \
+	'git-cat-file blob master:file3 >actual && diff -u expect actual'
+
+printf abcd >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'
+
+test_done