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Jeff King 4579bb418c ident: die on bogus date format

If the user gives "git commit --date=foobar", we silently
ignore the --date flag. We should note the error.

This patch puts the fix at the lowest level of fmt_ident,
which means it also handles GIT_AUTHOR_DATE=foobar, as well.

There are two down-sides to this approach:

  1. Technically this breaks somebody doing something like
     "git commit --date=now", which happened to work because
     bogus data is the same as "now". Though we do
     explicitly handle the empty string, so anybody passing
     an empty variable through the environment will still
     work.

     If the error is too much, perhaps it can be downgraded
     to a warning?

  2. The error checking happens _after_ the commit message
     is written, which can be annoying to the user. We can
     put explicit checks closer to the beginning of
     git-commit, but that feels a little hack-ish; suddenly
     git-commit has to care about how fmt_ident works. Maybe
     we could simply call fmt_ident earlier?

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2010-12-20 10:28:19 -08:00

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 #!/bin/sh
 #
 # Copyright (c) 2007 Kristian Høgsberg <krh@redhat.com>
 #
 # FIXME: Test the various index usages, -i and -o, test reflog,
 # signoff
 test_description='git commit'
 . ./test-lib.sh
 test_tick
 test_expect_success \
 	"initial status" \
 	"echo 'bongo bongo' >file &&
 	 git add file && \
 	 git status | grep 'Initial commit'"
 test_expect_success \
 	"fail initial amend" \
 	"test_must_fail git commit --amend"
 test_expect_success \
 	"initial commit" \
 	"git commit -m initial"
 test_expect_success \
 	"invalid options 1" \
 	"test_must_fail git commit -m foo -m bar -F file"
 test_expect_success \
 	"invalid options 2" \
 	"test_must_fail git commit -C HEAD -m illegal"
 test_expect_success \
 	"using paths with -a" \
 	"echo King of the bongo >file &&
 	test_must_fail git commit -m foo -a file"
 test_expect_success PERL \
 	"using paths with --interactive" \
 	"echo bong-o-bong >file &&
 	! (echo 7 | git commit -m foo --interactive file)"
 test_expect_success \
 	"using invalid commit with -C" \
 	"test_must_fail git commit -C bogus"
 test_expect_success \
 	"testing nothing to commit" \
 	"test_must_fail git commit -m initial"
 test_expect_success \
 	"next commit" \
 	"echo 'bongo bongo bongo' >file \
 	 git commit -m next -a"
 test_expect_success \
 	"commit message from non-existing file" \
 	"echo 'more bongo: bongo bongo bongo bongo' >file && \
 	 test_must_fail git commit -F gah -a"
 # Empty except stray tabs and spaces on a few lines.
 sed -e 's/@$//' >msg <<EOF
 		@
   @
 Signed-off-by: hula
 EOF
 test_expect_success \
 	"empty commit message" \
 	"test_must_fail git commit -F msg -a"
 test_expect_success \
 	"commit message from file" \
 	"echo 'this is the commit message, coming from a file' >msg && \
 	 git commit -F msg -a"
 cat >editor <<\EOF
 #!/bin/sh
 sed -e "s/a file/an amend commit/g" < "$1" > "$1-"
 mv "$1-" "$1"
 EOF
 chmod 755 editor
 test_expect_success \
 	"amend commit" \
 	"EDITOR=./editor git commit --amend"
 test_expect_success \
 	"passing -m and -F" \
 	"echo 'enough with the bongos' >file && \
 	 test_must_fail git commit -F msg -m amending ."
 test_expect_success \
 	"using message from other commit" \
 	"git commit -C HEAD^ ."
 cat >editor <<\EOF
 #!/bin/sh
 sed -e "s/amend/older/g"  < "$1" > "$1-"
 mv "$1-" "$1"
 EOF
 chmod 755 editor
 test_expect_success \
 	"editing message from other commit" \
 	"echo 'hula hula' >file && \
 	 EDITOR=./editor git commit -c HEAD^ -a"
 test_expect_success \
 	"message from stdin" \
 	"echo 'silly new contents' >file && \
 	 echo commit message from stdin | git commit -F - -a"
 test_expect_success \
 	"overriding author from command line" \
 	"echo 'gak' >file && \
 	 git commit -m 'author' --author 'Rubber Duck <rduck@convoy.org>' -a >output 2>&1"
 test_expect_success \
 	"commit --author output mentions author" \
 	"grep Rubber.Duck output"
 test_expect_success PERL \
 	"interactive add" \
 	"echo 7 | git commit --interactive | grep 'What now'"
 test_expect_success \
 	"showing committed revisions" \
 	"git rev-list HEAD >current"
 cat >editor <<\EOF
 #!/bin/sh
 sed -e "s/good/bad/g" < "$1" > "$1-"
 mv "$1-" "$1"
 EOF
 chmod 755 editor
 cat >msg <<EOF
 A good commit message.
 EOF
 test_expect_success \
 	'editor not invoked if -F is given' '
 	 echo "moo" >file &&
 	 EDITOR=./editor git commit -a -F msg &&
 	 git show -s --pretty=format:"%s" | grep -q good &&
 	 echo "quack" >file &&
 	 echo "Another good message." | EDITOR=./editor git commit -a -F - &&
 	 git show -s --pretty=format:"%s" | grep -q good
 	 '
 # We could just check the head sha1, but checking each commit makes it
 # easier to isolate bugs.
 cat >expected <<\EOF
 c0dc9855b0c9dadcbfd5a31cab072e0cb774ca
 b88fc14ce6b32e3d9ee021531a54f18a5cf38a2
 bbb352c3a1ef9a420f5b4242d48578b92aa7
 d381ac431806e53f3dd7ac2f1ae0534f36d738b9
 fd44095ad6334f3ef72e4c5ec8ddf108174b54a
 b49136e7587daa9280e91e4bb7cb2179f7
 EOF
 test_expect_success \
     'validate git rev-list output.' \
     'test_cmp expected current'
 test_expect_success 'partial commit that involves removal (1)' '
 	git rm --cached file &&
 	mv file elif &&
 	git add elif &&
 	git commit -m "Partial: add elif" elif &&
 	git diff-tree --name-status HEAD^ HEAD >current &&
 	echo "A	elif" >expected &&
 	test_cmp expected current
 '
 test_expect_success 'partial commit that involves removal (2)' '
 	git commit -m "Partial: remove file" file &&
 	git diff-tree --name-status HEAD^ HEAD >current &&
 	echo "D	file" >expected &&
 	test_cmp expected current
 '
 test_expect_success 'partial commit that involves removal (3)' '
 	git rm --cached elif &&
 	echo elif >elif &&
 	git commit -m "Partial: modify elif" elif &&
 	git diff-tree --name-status HEAD^ HEAD >current &&
 	echo "M	elif" >expected &&
 	test_cmp expected current
 '
 author="The Real Author <someguy@his.email.org>"
 test_expect_success 'amend commit to fix author' '
 	oldtick=$GIT_AUTHOR_DATE &&
 	test_tick &&
 	git reset --hard &&
 	git cat-file -p HEAD |
 	sed -e "s/author.*/author $author $oldtick/" \
 		-e "s/^\(committer.*> \).*$/\1$GIT_COMMITTER_DATE/" > \
 		expected &&
 	git commit --amend --author="$author" &&
 	git cat-file -p HEAD > current &&
 	test_cmp expected current
 '
 test_expect_success 'amend commit to fix date' '
 	test_tick &&
 	newtick=$GIT_AUTHOR_DATE &&
 	git reset --hard &&
 	git cat-file -p HEAD |
 	sed -e "s/author.*/author $author $newtick/" \
 		-e "s/^\(committer.*> \).*$/\1$GIT_COMMITTER_DATE/" > \
 		expected &&
 	git commit --amend --date="$newtick" &&
 	git cat-file -p HEAD > current &&
 	test_cmp expected current
 '
 test_expect_success 'commit complains about bogus date' '
 	test_must_fail git commit --amend --date=10.11.2010
 '
 test_expect_success 'sign off (1)' '
 	echo 1 >positive &&
 	git add positive &&
 	git commit -s -m "thank you" &&
 	git cat-file commit HEAD | sed -e "1,/^\$/d" >actual &&
 	(
 		echo thank you
 		echo
 		git var GIT_COMMITTER_IDENT |
 		sed -e "s/>.*/>/" -e "s/^/Signed-off-by: /"
 	) >expected &&
 	test_cmp expected actual
 '
 test_expect_success 'sign off (2)' '
 	echo 2 >positive &&
 	git add positive &&
 	existing="Signed-off-by: Watch This <watchthis@example.com>" &&
 	git commit -s -m "thank you
 $existing" &&
 	git cat-file commit HEAD | sed -e "1,/^\$/d" >actual &&
 	(
 		echo thank you
 		echo
 		echo $existing
 		git var GIT_COMMITTER_IDENT |
 		sed -e "s/>.*/>/" -e "s/^/Signed-off-by: /"
 	) >expected &&
 	test_cmp expected actual
 '
 test_expect_success 'signoff gap' '
 	echo 3 >positive &&
 	git add positive &&
 	alt="Alt-RFC-822-Header: Value" &&
 	git commit -s -m "welcome
 $alt" &&
 	git cat-file commit HEAD | sed -e "1,/^\$/d" > actual &&
 	(
 		echo welcome
 		echo
 		echo $alt
 		git var GIT_COMMITTER_IDENT |
 		sed -e "s/>.*/>/" -e "s/^/Signed-off-by: /"
 	) >expected &&
 	test_cmp expected actual
 '
 test_expect_success 'signoff gap 2' '
 	echo 4 >positive &&
 	git add positive &&
 	alt="fixed: 34" &&
 	git commit -s -m "welcome
 We have now
 $alt" &&
 	git cat-file commit HEAD | sed -e "1,/^\$/d" > actual &&
 	(
 		echo welcome
 		echo
 		echo We have now
 		echo $alt
 		echo
 		git var GIT_COMMITTER_IDENT |
 		sed -e "s/>.*/>/" -e "s/^/Signed-off-by: /"
 	) >expected &&
 	test_cmp expected actual
 '
 test_expect_success 'multiple -m' '
 	>negative &&
 	git add negative &&
 	git commit -m "one" -m "two" -m "three" &&
 	git cat-file commit HEAD | sed -e "1,/^\$/d" >actual &&
 	(
 		echo one
 		echo
 		echo two
 		echo
 		echo three
 	) >expected &&
 	test_cmp expected actual
 '
 author="The Real Author <someguy@his.email.org>"
 test_expect_success 'amend commit to fix author' '
 	oldtick=$GIT_AUTHOR_DATE &&
 	test_tick &&
 	git reset --hard &&
 	git cat-file -p HEAD |
 	sed -e "s/author.*/author $author $oldtick/" \
 		-e "s/^\(committer.*> \).*$/\1$GIT_COMMITTER_DATE/" > \
 		expected &&
 	git commit --amend --author="$author" &&
 	git cat-file -p HEAD > current &&
 	test_cmp expected current
 '
 test_expect_success 'git commit <file> with dirty index' '
 	echo tacocat > elif &&
 	echo tehlulz > chz &&
 	git add chz &&
 	git commit elif -m "tacocat is a palindrome" &&
 	git show --stat | grep elif &&
 	git diff --cached | grep chz
 '
 test_expect_success 'same tree (single parent)' '
 	git reset --hard
 	if git commit -m empty
 	then
 		echo oops -- should have complained
 		false
 	else
 		: happy
 	fi
 '
 test_expect_success 'same tree (single parent) --allow-empty' '
 	git commit --allow-empty -m "forced empty" &&
 	git cat-file commit HEAD | grep forced
 '
 test_expect_success 'same tree (merge and amend merge)' '
 	git checkout -b side HEAD^ &&
 	echo zero >zero &&
 	git add zero &&
 	git commit -m "add zero" &&
 	git checkout master &&
 	git merge -s ours side -m "empty ok" &&
 	git diff HEAD^ HEAD >actual &&
 	: >expected &&
 	test_cmp expected actual &&
 	git commit --amend -m "empty really ok" &&
 	git diff HEAD^ HEAD >actual &&
 	: >expected &&
 	test_cmp expected actual
 '
 test_expect_success 'amend using the message from another commit' '
 	git reset --hard &&
 	test_tick &&
 	git commit --allow-empty -m "old commit" &&
 	old=$(git rev-parse --verify HEAD) &&
 	test_tick &&
 	git commit --allow-empty -m "new commit" &&
 	new=$(git rev-parse --verify HEAD) &&
 	test_tick &&
 	git commit --allow-empty --amend -C "$old" &&
 	git show --pretty="format:%ad %s" "$old" >expected &&
 	git show --pretty="format:%ad %s" HEAD >actual &&
 	test_cmp expected actual
 '
 test_expect_success 'amend using the message from a commit named with tag' '
 	git reset --hard &&
 	test_tick &&
 	git commit --allow-empty -m "old commit" &&
 	old=$(git rev-parse --verify HEAD) &&
 	git tag -a -m "tag on old" tagged-old HEAD &&
 	test_tick &&
 	git commit --allow-empty -m "new commit" &&
 	new=$(git rev-parse --verify HEAD) &&
 	test_tick &&
 	git commit --allow-empty --amend -C tagged-old &&
 	git show --pretty="format:%ad %s" "$old" >expected &&
 	git show --pretty="format:%ad %s" HEAD >actual &&
 	test_cmp expected actual
 '
 test_expect_success 'amend can copy notes' '
 	git config notes.rewrite.amend true &&
 	git config notes.rewriteRef "refs/notes/*" &&
 	test_commit foo &&
 	git notes add -m"a note" &&
 	test_tick &&
 	git commit --amend -m"new foo" &&
 	test "$(git notes show)" = "a note"
 '
 test_done