89 lines
2.3 KiB
Markdown
89 lines
2.3 KiB
Markdown
# git
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## Clone with submodule recurse
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add *--recurse-submodules* to clone command
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## Add in staging only a part of modification done in a file
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`git add -p`
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this will ask if you want to add each modification with this option:
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- *y* - Yes, add this hunk
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- *n* - No, don’t add this hunk
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- *d* - No, don’t add this hunk and all other remaining hunks. Useful if you’ve already added what you want to, and want to skip over the rest
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- *s* - Split the hunk into smaller hunks. This only works if there’s unchanged lines between the changes in the displayed hunk, so this wouldn’t have any effect in the example above
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- *e* - Manually edit the hunk. This is probably the most powerful option. As promised, it will open the hunk in a text editor and you can edit it to your hearts content
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## delete a file only from git repository
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`git rm -rf --cached`
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## delete a file from complete history
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be carefull can't push repo last time use
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need to be in a repo with no modification
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```bash
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git filter-branch --index-filter "git rm -rf --cached --ignore-unmatch $file" HEAD
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rm -rf .git/refs/original/ && git reflog expire --all && git gc --aggressive --prune
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```
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## create a repo from other repo subfoler
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- clone the first repo
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- go in this directory
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- launch
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```bash
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git filter-branch --prune-empty --subdirectory-filter "subdirectory/path" master
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```
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- push in your new git repo
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## changing email adress
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```bash
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$ git filter-branch --commit-filter '
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if [ "$GIT_AUTHOR_EMAIL" = "schacon@localhost" ];
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then
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GIT_AUTHOR_NAME="Scott Chacon";
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GIT_AUTHOR_EMAIL="schacon@example.com";
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git commit-tree "$@";
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else
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git commit-tree "$@";
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fi' HEAD
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```
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## example de déclencheur git dans un dépot git
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```bash
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#!/bin/bash
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GIT_REPO=`pwd`
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SITE_NAME=notebook
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TMP_GIT_CLONE="/tmp/$SITE_NAME"
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PUBLIC_WWW="/usr/share/nginx/html/$SITE_NAME"
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# get branch name
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if ! [ -t 0 ]; then
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read -a ref
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fi
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IFS='/' read -ra REF <<< "${ref[2]}"
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branch="${REF[2]}"
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if [ "master" == "$branch" ]; then
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mkdir -p $TMP_GIT_CLONE
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echo "download repo"
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git clone --recursive $GIT_REPO $TMP_GIT_CLONE
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cd $TMP_GIT_CLONE
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export PATH="$HOME/.local/bin:$PATH"
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make install -e BUILDDIR=$PUBLIC_WWW
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echo "Cleaning up"
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rm -Rf $TMP_GIT_CLONE
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fi
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exit
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```
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