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@@ -1,146 +1,8 @@ --- -layout: page -title: "TIL: Useful code snippets" +layout: tils-listing lang: en -ref: til +ref: tils --- - -### Bash variables - -```shell -$ which git -/run/current-system/sw/bin/git -$ readlink $(!!) -readlink $(which git) -/nix/store/5bgr1xpm4m0r72h9049jbbhagxdyrnyb-git-2.28.0/bin/git -``` - -### Git custom work-tree checkout - -```shell -git --work-tree=/path/to/outputdir checkout HEAD -- . -``` -### Search in Git - -Search log messages - -```shell -git log --grep='Build 0051' -``` - -Search content in git history - -```shell -git grep 'Build 0051' $(git rev-list --all) -``` -### Find broken symlinks - -```shell -find . -xtype l -``` - -### Kernel version -```shell -uname -r -``` -### Sending email through the command line - -```shell -mail eu@euandre.org -s "This is the subject" -aFrom:eu@euandre.org <<< 'This is the message' -``` - -### Git bisecting - -Automatic Git bisect - -```shell -git bisect start e1fd0a817d192c5a5df72dd7422e36558fa78e46 HEAD -git bisect run sh -c 'git clean -ffdx && ./bootstrap && ./configure --localstatedir=/var && make && git checkout' -``` - -### UNIX searching commands - -```shell -$ which gcc -$ locate signal.h -$ updatedb # add to cron? -``` - -### Guix contributing - -```shell -$ cd ~/dev/guix/guix/ -$ git clean -ffdx -$ guix environment guix # guix environment guix --ad-hoc help2man git strace -$ ./bootstrap -$ ./configure --localstatedir=/var -$ make -$ ./pre-inst-env guix describe -$ ./pre-inst-env guix show $PKG -$ ./pre-inst-env guix build $PKG -$ ./pre-inst-env guix lint $PKG -``` - -v2: -```shell -guix environment --pure guix --ad-hoc help2man git strace -- sh -c "./bootstrap && ./configure --localstatedir=/var && make" -``` - -v3: -```shell -$ guix environment --pure guix --ad-hoc help2man git stract -$ ./bootstrap -$ ./configure --localstatedir=/var -$ make -$ ./pre-inst-env guix build $PKG -$ ./pre-inst-env guix lint $PKG -$ ./pre-inst-env guix refresh --list-dependent $PKG -$ ./pre-inst-env guix build --rounds=2 $PKG -$ ./etc/ident-code.el $PKG -``` - -### git mail patches - -Check the [guix-devel thread][0] on -named "Re: [External] Re: New outreachy participant introduction". - -[0]: https://lists.gnu.org/archive/html/guix-devel/2019-10/msg00093.html - -### Flutter Dart `patchelf` - -```shell -patchelf --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) /home/andreh/dev/misc/flutter/bin/cache/dart-sdk/bin/dart -``` - -### builds.sr.ht environment variables - -[https://builds.sr.ht/~euandreh/job/68005](https://builds.sr.ht/~euandreh/job/68005). - -### `C-c M-m` in message-mode for creating `cut here` sections - -Or run the `scissors` function. - -### Software Recomendations StackExchange exists - -[https://softwarerecs.stackexchange.com/](https://softwarerecs.stackexchange.com/). - -### GPG key search - -```shell -gpg --search-key eu@euandre.org -``` - -### Git Annex wanted - -```shell -git annex wanted . 'exclude=Banshee/old-musics/* and exclude=attic/videos/* and exclude=Photos/*' -``` - -### Useful keybindings -- `SPC v` for region selection -- `SPC j s` to split sexp -- `mod-shift-space` reset layout - -## Acknowledgements +**T**oday **I** **L**earned: small entries of useful knowledge.</p> Shameless rip-off of [Anna e só](https://til.flourishing.stream/). |