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bh=HHtOad9Gwr/F27j7b+CKo+tMZ9KUGo6lspT3hqvey/E=; b=pjMInMLiC6kuZo9R3AMjn3kqxcYfnf7ZFGSPGjg7q31QZFYvJnB7JZAak7kuISxN3JlXyd p2PUAN3iXRg2xWs9unl+eM6ZGA2Ia/R1aIlVm9mMCPs3WHLZlC+mLu+k9JGlgwvySoa0et iFEASpapas2t1TKM+l27lUBeti7rimQC/O9CvyrhH0FmCq5J7ffA5Jh/+NcV+xPyA2Bwvo j0jZESrEtqUBcxd5aKzf3sSwmYvt2ZStG/06JDyCOaXSZ02mNqo5xwKu6S1byjg0YzN8Jo icyvLaHnGdfqpjJz/qae3qDXHE3y5oDr+N+MX5Bdgy4e1/csWvb9i/xEZZP0ug== X-Migadu-Scanner: scn1.migadu.com X-Migadu-Spam-Score: -2.19 X-Spam-Score: -2.19 X-Migadu-Queue-Id: 5E6393975F Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=tailcall.au header.s=x header.b=BFeaOJwx; spf=pass (aspmx1.migadu.com: domain of "bug-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="bug-guix-bounces+larch=yhetil.org@gnu.org"; dmarc=pass (policy=none) header.from=gnu.org X-TUID: R7hhGX+Sap4s Ludovic Courtès wrote: > Hi again Andrew, > > It turns out that the package is not reproducible: > > --8<---------------cut here---------------start------------->8--- > $ ./pre-inst-env guix challenge scheme48-prescheme > /gnu/store/qkby7f4nr3lxlm16zmswmka5hgfs6spw-scheme48-prescheme-1.9.2 contents differ: > no local build for '/gnu/store/qkby7f4nr3lxlm16zmswmka5hgfs6spw-scheme48-prescheme-1.9.2' > https://ci.guix.gnu.org/nar/lzip/qkby7f4nr3lxlm16zmswmka5hgfs6spw-scheme48-prescheme-1.9.2: 0fahr4s5qz980zz96xmrwf8r87w56kicxr8s80fvis98q7v5czll > https://bordeaux.guix.gnu.org/nar/lzip/qkby7f4nr3lxlm16zmswmka5hgfs6spw-scheme48-prescheme-1.9.2: 0jphmcmijk68phwq93qbzszy5pdmnasa3qdcp2nc5wqc25a7kpxk > differing file: > /lib/scheme48-1.9.2/prescheme.image > > 1 store items were analyzed: > - 0 (0.0%) were identical > - 1 (100.0%) differed > - 0 (0.0%) were inconclusive > $ git log |head -1 > commit cf9e0508b26196dc985302776d860a0359652c59 > --8<---------------cut here---------------end--------------->8--- > > Any idea what might be wrong? Hmm, interesting! This is an image produced by Scheme 48 dumping its VM state into a file which can be loaded later to save parsing/expansion time. This is the same technique used by Scheme 48 to produce its own initial image. It looks like the "scheme48" package has the same problem: ``` $ guix challenge scheme48 /gnu/store/9c47l5cn60zrr9sm0hn55zibf8zmv33l-scheme48-1.9.2 contents differ: local hash: 0pyygj4nf8fw2xpciy81d01r2b2339bxhgpfdn2zq2wqvsn2ycra https://ci.guix.gnu.org/nar/lzip/9c47l5cn60zrr9sm0hn55zibf8zmv33l-scheme48-1.9.2: 0pyygj4nf8fw2xpciy81d01r2b2339bxhgpfdn2zq2wqvsn2ycra https://bordeaux.guix.gnu.org/nar/lzip/9c47l5cn60zrr9sm0hn55zibf8zmv33l-scheme48-1.9.2: 12wxxqxmpdqgg2fzbcbm68h1jqynz9gqhxzalyspqq7hh2fgr46k differing file: /lib/scheme48-1.9.2/scheme48.image 1 store items were analyzed: - 0 (0.0%) were identical - 1 (100.0%) differed - 0 (0.0%) were inconclusive ``` Comparing hex dumps of the files, there are significant differences, and a quick dive through the image dumping code leads into VM and garbage collector details which are over my head. I guess patching Scheme 48 to build deterministic images is out-of-scope and maybe an issue for upstream. > Thanks, > Ludo’. Cheers! Andrew