git/t/t4204-patch-id.sh
Paolo Bonzini 580fb25b7a patch-id: Add support for mbox format
I have an alias that takes two arguments and compares their patch IDs.
I would like to use to make sure I've tested exactly what I submit
(patch by patch), like

   git patch-cmp origin/master.. file-being-sent

However, I cannot do that because git patch-id is fooled by the "-- "
trailer that git format-patch puts, or likely by the MIME boundary.

This patch adds hunk parsing logic to git patch-id in order to detect an
out of place "-" line and split the patch when it comes.  In addition,
commit ids in the "From " lines are considered and printed in the output.

Signed-off-by: Paolo Bonzini <bonzini@gnu.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-04-19 13:01:49 -07:00

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#!/bin/sh
test_description='git patch-id'
. ./test-lib.sh
test_expect_success 'setup' '
test_commit initial foo a &&
test_commit first foo b &&
git checkout -b same HEAD^ &&
test_commit same-msg foo b &&
git checkout -b notsame HEAD^ &&
test_commit notsame-msg foo c
'
test_expect_success 'patch-id output is well-formed' '
git log -p -1 | git patch-id > output &&
grep "^[a-f0-9]\{40\} $(git rev-parse HEAD)$" output
'
calc_patch_id () {
git patch-id |
sed "s# .*##" > patch-id_"$1"
}
get_patch_id () {
git log -p -1 "$1" | git patch-id |
sed "s# .*##" > patch-id_"$1"
}
test_expect_success 'patch-id detects equality' '
get_patch_id master &&
get_patch_id same &&
test_cmp patch-id_master patch-id_same
'
test_expect_success 'patch-id detects inequality' '
get_patch_id master &&
get_patch_id notsame &&
! test_cmp patch-id_master patch-id_notsame
'
test_expect_success 'patch-id supports git-format-patch output' '
get_patch_id master &&
git checkout same &&
git format-patch -1 --stdout | calc_patch_id same &&
test_cmp patch-id_master patch-id_same &&
set `git format-patch -1 --stdout | git patch-id` &&
test "$2" = `git rev-parse HEAD`
'
test_expect_success 'whitespace is irrelevant in footer' '
get_patch_id master &&
git checkout same &&
git format-patch -1 --stdout | sed "s/ \$//" | calc_patch_id same &&
test_cmp patch-id_master patch-id_same
'
test_expect_success 'patch-id supports git-format-patch MIME output' '
get_patch_id master &&
git checkout same &&
git format-patch -1 --attach --stdout | calc_patch_id same &&
test_cmp patch-id_master patch-id_same
'
test_done