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for-each-ref: add split message parts to %(contents:*).
The %(body) placeholder returns the whole body of a tag or commit, including the signature. However, callers may want to get just the body without signature, or just the signature. Rather than change the meaning of %(body), which might break some scripts, this patch introduces a new set of placeholders which break down the %(contents) placeholder into its constituent parts. [jk: initial patch by mg, rebased on top of my refactoring and with tests by me] Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -101,9 +101,10 @@ Fields that have name-email-date tuple as its value (`author`,
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`committer`, and `tagger`) can be suffixed with `name`, `email`,
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and `date` to extract the named component.
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The first line of the message in a commit and tag object is
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`subject`, the remaining lines are `body`. The whole message
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is `contents`.
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The complete message in a commit and tag object is `contents`.
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Its first line is `contents:subject`, the remaining lines
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are `contents:body` and the optional GPG signature
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is `contents:signature`.
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For sorting purposes, fields with numeric values sort in numeric
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order (`objectsize`, `authordate`, `committerdate`, `taggerdate`).
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@ -69,6 +69,9 @@ static struct {
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{ "subject" },
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{ "body" },
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{ "contents" },
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{ "contents:subject" },
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{ "contents:body" },
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{ "contents:signature" },
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{ "upstream" },
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{ "symref" },
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{ "flag" },
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@ -472,7 +475,9 @@ static void grab_person(const char *who, struct atom_value *val, int deref, stru
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static void find_subpos(const char *buf, unsigned long sz,
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const char **sub, unsigned long *sublen,
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const char **body, unsigned long *bodylen)
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const char **body, unsigned long *bodylen,
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unsigned long *nonsiglen,
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const char **sig, unsigned long *siglen)
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{
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const char *eol;
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/* skip past header until we hit empty line */
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@ -486,10 +491,14 @@ static void find_subpos(const char *buf, unsigned long sz,
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while (*buf == '\n')
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buf++;
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/* parse signature first; we might not even have a subject line */
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*sig = buf + parse_signature(buf, strlen(buf));
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*siglen = strlen(*sig);
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/* subject is first non-empty line */
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*sub = buf;
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/* subject goes to first empty line */
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while (*buf && *buf != '\n') {
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while (buf < *sig && *buf && *buf != '\n') {
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eol = strchrnul(buf, '\n');
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if (*eol)
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eol++;
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@ -505,14 +514,15 @@ static void find_subpos(const char *buf, unsigned long sz,
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buf++;
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*body = buf;
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*bodylen = strlen(buf);
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*nonsiglen = *sig - buf;
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}
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/* See grab_values */
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static void grab_sub_body_contents(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
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{
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int i;
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const char *subpos = NULL, *bodypos;
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unsigned long sublen, bodylen;
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const char *subpos = NULL, *bodypos = NULL, *sigpos = NULL;
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unsigned long sublen = 0, bodylen = 0, nonsiglen = 0, siglen = 0;
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for (i = 0; i < used_atom_cnt; i++) {
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const char *name = used_atom[i];
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@ -523,17 +533,27 @@ static void grab_sub_body_contents(struct atom_value *val, int deref, struct obj
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name++;
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if (strcmp(name, "subject") &&
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strcmp(name, "body") &&
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strcmp(name, "contents"))
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strcmp(name, "contents") &&
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strcmp(name, "contents:subject") &&
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strcmp(name, "contents:body") &&
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strcmp(name, "contents:signature"))
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continue;
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if (!subpos)
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find_subpos(buf, sz,
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&subpos, &sublen,
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&bodypos, &bodylen);
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&bodypos, &bodylen, &nonsiglen,
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&sigpos, &siglen);
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if (!strcmp(name, "subject"))
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v->s = copy_subject(subpos, sublen);
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else if (!strcmp(name, "contents:subject"))
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v->s = copy_subject(subpos, sublen);
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else if (!strcmp(name, "body"))
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v->s = xmemdupz(bodypos, bodylen);
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else if (!strcmp(name, "contents:body"))
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v->s = xmemdupz(bodypos, nonsiglen);
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else if (!strcmp(name, "contents:signature"))
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v->s = xmemdupz(sigpos, siglen);
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else if (!strcmp(name, "contents"))
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v->s = xstrdup(subpos);
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}
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@ -24,3 +24,11 @@ else
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;;
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esac
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fi
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sanitize_pgp() {
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perl -ne '
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/^-----END PGP/ and $in_pgp = 0;
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print unless $in_pgp;
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/^-----BEGIN PGP/ and $in_pgp = 1;
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'
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}
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@ -6,6 +6,7 @@
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test_description='for-each-ref test'
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. ./test-lib.sh
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. "$TEST_DIRECTORY"/lib-gpg.sh
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# Mon Jul 3 15:18:43 2006 +0000
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datestamp=1151939923
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@ -40,9 +41,10 @@ test_atom() {
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*) ref=$1 ;;
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esac
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printf '%s\n' "$3" >expected
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test_expect_${4:-success} "basic atom: $1 $2" "
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test_expect_${4:-success} $PREREQ "basic atom: $1 $2" "
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git for-each-ref --format='%($2)' $ref >actual &&
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test_cmp expected actual
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sanitize_pgp <actual >actual.clean &&
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test_cmp expected actual.clean
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"
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}
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@ -72,7 +74,10 @@ test_atom head taggerdate ''
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test_atom head creator 'C O Mitter <committer@example.com> 1151939923 +0200'
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test_atom head creatordate 'Mon Jul 3 17:18:43 2006 +0200'
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test_atom head subject 'Initial'
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test_atom head contents:subject 'Initial'
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test_atom head body ''
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test_atom head contents:body ''
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test_atom head contents:signature ''
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test_atom head contents 'Initial
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'
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@ -102,7 +107,10 @@ test_atom tag taggerdate 'Mon Jul 3 17:18:45 2006 +0200'
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test_atom tag creator 'C O Mitter <committer@example.com> 1151939925 +0200'
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test_atom tag creatordate 'Mon Jul 3 17:18:45 2006 +0200'
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test_atom tag subject 'Tagging at 1151939927'
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test_atom tag contents:subject 'Tagging at 1151939927'
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test_atom tag body ''
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test_atom tag contents:body ''
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test_atom tag contents:signature ''
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test_atom tag contents 'Tagging at 1151939927
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'
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@ -390,9 +398,14 @@ test_expect_success 'create tag with multiline subject' '
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git tag -F msg multiline
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'
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test_atom refs/tags/multiline subject 'first subject line second subject line'
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test_atom refs/tags/multiline contents:subject 'first subject line second subject line'
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test_atom refs/tags/multiline body 'first body line
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second body line
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'
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test_atom refs/tags/multiline contents:body 'first body line
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second body line
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'
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test_atom refs/tags/multiline contents:signature ''
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test_atom refs/tags/multiline contents 'first subject line
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second subject line
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@ -400,4 +413,47 @@ first body line
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second body line
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'
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test_expect_success GPG 'create signed tags' '
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git tag -s -m "" signed-empty &&
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git tag -s -m "subject line" signed-short &&
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cat >msg <<-\EOF &&
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subject line
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body contents
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EOF
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git tag -s -F msg signed-long
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'
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sig='-----BEGIN PGP SIGNATURE-----
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-----END PGP SIGNATURE-----
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'
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PREREQ=GPG
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test_atom refs/tags/signed-empty subject ''
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test_atom refs/tags/signed-empty contents:subject ''
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test_atom refs/tags/signed-empty body "$sig"
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test_atom refs/tags/signed-empty contents:body ''
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test_atom refs/tags/signed-empty contents:signature "$sig"
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test_atom refs/tags/signed-empty contents "$sig"
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test_atom refs/tags/signed-short subject 'subject line'
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test_atom refs/tags/signed-short contents:subject 'subject line'
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test_atom refs/tags/signed-short body "$sig"
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test_atom refs/tags/signed-short contents:body ''
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test_atom refs/tags/signed-short contents:signature "$sig"
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test_atom refs/tags/signed-short contents "subject line
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$sig"
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test_atom refs/tags/signed-long subject 'subject line'
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test_atom refs/tags/signed-long contents:subject 'subject line'
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test_atom refs/tags/signed-long body "body contents
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$sig"
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test_atom refs/tags/signed-long contents:body 'body contents
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'
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test_atom refs/tags/signed-long contents:signature "$sig"
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test_atom refs/tags/signed-long contents "subject line
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body contents
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$sig"
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test_done
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