## Steps to reproduce
cd $(mktemp -d)
gbp clone --verbose --add-upstreamvcs
https://salsa.debian.org/otto/xz-utils-pristine-tar.git
cd xz-utils-pristine-tar
git fetch --tags upstreamvcs
gbp import-orig --uscan --verbose
## Expected result
Import completes successfully.
## Actual result
Generating pristine-tar fails.
± gbp import-orig --uscan --verbose
gbp:debug: ['git', 'rev-parse', '--show-cdup']
gbp:debug: ['git', 'rev-parse', '--is-bare-repository']
gbp:debug: ['git', 'rev-parse', '--git-dir']
gbp:debug: ['git', 'for-each-ref', '--format=%(refname:short)', 'refs/heads/']
gbp:debug: ['git', 'show-ref', '--verify', 'refs/heads/upstream/latest']
gbp:debug: ['git', 'status', '--porcelain']
gbp:info: Launching uscan...
gpgv: Signature made Thu 03 Apr 2025 04:38:23 AM PDT
gpgv: using RSA key 3690C240CE51B4670D30AD1C38EE757D69184620
gpgv: Good signature from "Lasse Collin <lasse.collin@tukaani.org>"
gbp:info: Using uscan downloaded tarball ../xz-utils_5.8.1.orig.tar.xz
gbp:debug: Signature ../xz-utils_5.8.1.orig.tar.xz found for
../xz-utils_5.8.1.orig.tar.xz.asc
gbp:debug: ['git', 'tag', '-l', 'upstream/5.8.1']
gbp:debug: tar ['-C', '../tmpynbsr03h', '-a', '-xf',
'../xz-utils_5.8.1.orig.tar.xz'] []
gbp:debug: Unpacked '../xz-utils_5.8.1.orig.tar.xz' to '../tmpynbsr03h/xz-5.8.1'
gbp:info: Importing '../xz-utils_5.8.1.orig.tar.xz' to branch
'upstream/latest'...
gbp:info: Source package is xz-utils
gbp:info: Upstream version is 5.8.1
gbp:debug: ['git', 'rev-parse', '--quiet', '--verify', 'v5.8.1^{}']
gbp:debug: ['git', 'show-ref', '--verify', 'refs/heads/upstream/latest']
gbp:debug: ['git', 'rev-parse', '--quiet', '--verify', 'upstream/latest']
gbp:debug: ['git', 'add', '-f', '.']
gbp:debug: ['git', 'write-tree']
gbp:debug: ['git', 'rev-parse', '--quiet', '--verify', 'upstream/latest']
gbp:debug: ['git', 'rev-parse', '--quiet', '--verify',
'a522a226545730551f7e7c2685fab27cf567746c']
gbp:debug: ['git', 'commit-tree',
'5e6b06d1ec8dc7d19cb0c130d1fdd8aaf139c3dd', '-p',
'0a6f467db2c7b0a6e2fb7145ebf0d596563a70a3', '-p',
'a522a226545730551f7e7c2685fab27cf567746c']
gbp:debug: ['git', 'update-ref', '-m', 'gbp: New upstream version
5.8.1', 'refs/heads/upstream/latest',
'c18e86d57978ae931847bebad4ba40503467cb57',
'0a6f467db2c7b0a6e2fb7145ebf0d596563a70a3']
gbp:debug: ['git', 'show-ref', '--verify', 'refs/heads/pristine-tar']
gbp:debug: ['git', 'ls-tree', '-z', 'upstream/latest', '--']
gbp:debug: ['git', 'mktree', '-z']
gbp:debug: pristine-tar [] ['--help']
gbp:debug: pristine-tar [] ['commit', '../xz-utils_5.8.1.orig.tar.xz',
'5e6b06d1ec8dc7d19cb0c130d1fdd8aaf139c3dd', '-s',
'../xz-utils_5.8.1.orig.tar.xz.asc']
gbp:error: Import of ../xz-utils_5.8.1.orig.tar.xz failed: Couldn't
commit to 'pristine-tar' with upstream
'5e6b06d1ec8dc7d19cb0c130d1fdd8aaf139c3dd': pristine-xz failed to
reproduce build of ../xz-utils_5.8.1.orig.tar.xz
(Please file a bug report.)
pristine-tar: failed to generate delta
gbp:error: Error detected, Will roll back changes.
gbp:info: Rolling back branch upstream/latest by resetting it to
0a6f467db2c7b0a6e2fb7145ebf0d596563a70a3
gbp:debug: ['git', 'update-ref', '-m', 'gbp import-orig: failure
rollback of upstream/latest', 'refs/heads/upstream/latest',
'0a6f467db2c7b0a6e2fb7145ebf0d596563a70a3']
gbp:info: Rolling back branch 'pristine-tar' by deleting it
gbp:debug: ['git', 'show-ref', '--verify', 'refs/heads/pristine-tar']
gbp:error: Rolled back changes after import error.
gbp:debug: rm ['-rf', '../tmpynbsr03h'] []
± pristine-tar --verbose commit ../xz-utils_5.8.1.orig.tar.xz
5e6b06d1ec8dc7d19cb0c130d1fdd8aaf139c3dd -s
../xz-utils_5.8.1.orig.tar.xz.asc
pristine-tar: git archive --format=tar
5e6b06d1ec8dc7d19cb0c130d1fdd8aaf139c3dd | (cd
'/tmp/pristine-tar.UJEUn78Ndr' && tar x)
pristine-tar: mkdir /tmp/pristine-tar.oX8u5zBkNa/workdir
pristine-tar: mv /tmp/pristine-tar.UJEUn78Ndr
/tmp/pristine-tar.oX8u5zBkNa/workdir/xz-5.8.1
pristine-tar: tar cf /tmp/pristine-tar.oX8u5zBkNa/recreatetarball
--owner 0 --group 0 --numeric-owner -C
/tmp/pristine-tar.oX8u5zBkNa/workdir --no-recursion --mode 0644 --null
--files-from /tmp/pristine-tar.oX8u5zBkNa/nulledmanifest
pristine-tar: pristine-xz -v --no-debug --no-keep gendelta
../xz-utils_5.8.1.orig.tar.xz /tmp/pristine-tar.7uiWQttgXh/wrapper
pristine-xz: pixz -d < ../xz-utils_5.8.1.orig.tar.xz >
/tmp/pristine-tar.7K3B0QBvFm/test
pristine-xz: xz --check=sha256 -z -T1 -7 <
/tmp/pristine-tar.7K3B0QBvFm/test >
/tmp/pristine-tar.7K3B0QBvFm/test.xz
pristine-xz: xz --check=sha256 -z -T1 -7e <
/tmp/pristine-tar.7K3B0QBvFm/test >
/tmp/pristine-tar.7K3B0QBvFm/test.xz
pristine-xz failed to reproduce build of ../xz-utils_5.8.1.orig.tar.xz
(Please file a bug report.)
pristine-tar: failed to generate delta