The file on the Gentoo mirrors does match the Manifest values. occam ~ # GENTOO_MIRRORS= FETCHCOMMAND="wget -t 3 -T 60 --passive-ftp -O \"\${DISTDIR}/\${FILE}\" \"\${URI}\"" emerge --ignore-default-opts --oneshot --verbose --nodeps =fsharp-4.1.18 These are the packages that would be merged, in order: [ebuild U ] dev-lang/fsharp-4.1.18::gentoo [4.0.1.20::gentoo] 40,658 KiB Total: 1 package (1 upgrade), Size of downloads: 40,658 KiB >>> Verifying ebuild manifests >>> Emerging (1 of 1) dev-lang/fsharp-4.1.18::gentoo Refetching... File renamed to '/var/distfiles/fsharp-4.1.18.tar.gz._checksum_failure_.892vjc7d' >>> Downloading 'https://github.com/fsharp/fsharp/archive/4.1.18.tar.gz' --2017-11-15 12:48:47-- https://github.com/fsharp/fsharp/archive/4.1.18.tar.gz Resolving github.com (github.com)... 192.30.253.113, 192.30.253.112 Connecting to github.com (github.com)|192.30.253.113|:443... connected. HTTP request sent, awaiting response... 302 Found Location: https://codeload.github.com/fsharp/fsharp/tar.gz/4.1.18 [following] --2017-11-15 12:48:48-- https://codeload.github.com/fsharp/fsharp/tar.gz/4.1.18 Resolving codeload.github.com (codeload.github.com)... 192.30.253.120, 192.30.253.121 Connecting to codeload.github.com (codeload.github.com)|192.30.253.120|:443... connected. HTTP request sent, awaiting response... 200 OK Length: 41632921 (40M) [application/x-gzip] Saving to: '/var/distfiles/fsharp-4.1.18.tar.gz' /var/distfiles/fsha 100%[===================>] 39.70M 2.93MB/s in 14s 2017-11-15 12:49:02 (2.89 MB/s) - '/var/distfiles/fsharp-4.1.18.tar.gz' saved [41632921/41632921] !!! Fetched file: fsharp-4.1.18.tar.gz VERIFY FAILED! !!! Reason: Filesize does not match recorded size !!! Got: 41632921 !!! Expected: 41632884 Refetching... File renamed to '/var/distfiles/fsharp-4.1.18.tar.gz._checksum_failure_.892vjc7d' !!! Couldn't download 'fsharp-4.1.18.tar.gz'. Aborting. * Fetch failed for 'dev-lang/fsharp-4.1.18', Log file: * '/var/log/portage/build/dev-lang/fsharp-4.1.18:20171115-114847.log'
4.1.x removed from tree, those versions will be moved to dotnet overlay (need msbuild which is unstable) 4.0.x version bumped