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--- tech:devops:git [2017/12/19 23:07]
rk4n3
+++ tech:devops:git [2019/06/08 13:19] (current)
rk4n3
@@ Line 1: / Line 1: @@
-====== Git Topics ======
-==== Installing git-lfs on Ubuntu ====
+====== General Git Topics ======
-  * Some basic pre-requisites: <code>apt install software-properties-common</code>
-  * Set up repository: <code>curl -s https://packagecloud.io/install/repositories/github/git-lfs/script.deb.sh | bash</code>
+==== Basic Config ====
-  * Install from repository: <code>apt install git-lfs</code>
+<code>git config --global user.name 'Your Name'
-  * Each user will need to do: ''git lfs install''
+git config --global user.email 'your@email.com'
+git config --global core.pager 'less -x3r'
+git config --global diff.tool 'vimdiff'
+git config --global diff.guitool 'gvimdiff'
+git config --global difftool.prompt 'false'
+git config --global http.sslverify 'false'</code>
 ==== Some history/view tips ====
+  * Show files involved in a particular commit: <code>git diff-tree --no-commit-id --name-only -r commitid</code>
   * Show basic history for a file:<code>git log --all -- path/to/file.ext</code>
   * Show all pull/push activity:<code>git reflog show --date=iso origin/master</code>
-  * Show commit hash and comment<codegit log --abbrev-commit --pretty=oneline 228d0ae de36d78
+  * Show commit hash and comment<code>git log --abbrev-commit --pretty=oneline 228d0ae de36d78
 git log --pretty=oneline 228d0ae de36d78</code>
   * Show everything in the commit for hash<code>git show d9ekhg9alk239d94dkd949dksc0dkgkls90fds93</code>
@@ Line 30: / Line 35: @@
  \\
-==== Locking master branch ====
+------
+====== GitLab ======
+==== Import Project into Gitlab ====
+<code>
+git clone --mirror https://github.com/you/prj
+cd prj.git
+# HTTP URL http://gitlab.example.com/you/prj.git
+git remote add gitlab git@git.albertleadata.org:you/prj.git
+git push gitlab --mirror
+# Switch local clone to new repo:
+git remote remove origin
+git remote add origin git@git.albertleadata.org:you/prj.git
+git fetch --all
+</code>
+ \\
+------
+====== Github ======
+===== Manage your fork's sync with upstream =====
+  * Add the remote, call it "upstream":<code>git remote add upstream https://github.com/whoever/whatever.git</code>
+  * Fetch all the branches of that remote into remote-tracking branches, such as upstream/master:<code>git fetch upstream</code>
+  * Make sure that you're on your master branch:<code>git checkout master</code>
+  * Rewrite your master branch so that any commits of yours that aren't already in upstream/master are replayed on top of that other branch:<code>git rebase upstream/master</code>//Alternately, you could do a ''git merge upstream/master'', but a rebase is most sane, especially for keeping pull requests well-behaved //
+====== Advanced Topics ======
+===== Locking master branch =====
   * In ./git/hooks/update before section # --- Config:<code>
 	if [ "$refname" == "refs/heads/master" ]; then
@@ Line 44: / Line 76: @@
   * Edit .git/description
-==== Misc: set active branch in bare repo ====
+====== Miscellaneous Topics ======
+===== Set active branch in bare repo =====
 ''git symbolic-ref HEAD refs/heads/thebranch''
+===== Installing git-lfs on Ubuntu =====
+  * Some basic pre-requisites: <code>apt install software-properties-common</code>
+  * Set up repository: <code>curl -s https://packagecloud.io/install/repositories/github/git-lfs/script.deb.sh | bash</code>
+  * Install from repository: <code>apt install git-lfs</code>
+  * Each user will need to do: ''git lfs install''
+===== Git Service over HTTP/HTTPS =====
+==== ... for Apache ====
+First //(as root)//:<code>
+mkdir -p /var/www/git
+chown msamud1:apache /var/www/git
+chmod 2750 /var/www/git
+chcon -t httpd_sys_content_t /var/www/git
+</code>
+Then, create auth file with something like:  ''htpasswd -c /var/www/git/.htpasswd git'' //... prompted for password//
+=== For anonymous read/write ... ===
+In ''/etc/httpd/conf.d/git.conf'':<code>
+# Git-smart HTTP/HTTPS back-end
+SetEnv GIT_PROJECT_ROOT /var/www/git
+SetEnv GIT_HTTP_EXPORT_ALL
+ScriptAlias /git/ /usr/libexec/git-core/git-http-backend/
+<Directory "/usr/libexec/git-core">
+	Options +ExecCGI
+	Require all granted
+</Directory>
+<LocationMatch "^/git/.*/git-receive-pack$">
+	Order allow,deny
+	Allow from all
+</LocationMatch>
+</code>
+=== ... or, for anonymous read and authenticated write ... ===
+In ''/etc/httpd/conf.d/git.conf'':<code>
+# Git-smart HTTP/HTTPS back-end
+SetEnv GIT_PROJECT_ROOT /var/www/git
+SetEnv GIT_HTTP_EXPORT_ALL
+ScriptAlias /git/ /usr/libexec/git-core/git-http-backend/
+<Directory "/usr/libexec/git-core">
+	Options +ExecCGI
+	Require all granted
+</Directory>
+<LocationMatch "^/git/.*/git-receive-pack$">
+	Order allow,deny
+	AuthType Basic
+	AuthName "Git Access"
+	AuthUserFile /var/www/git/.htpasswd
+	Require valid-user
+#	Require group committers
+</LocationMatch>
+</code>
+=== ... or, for authenticated read/write ... ===
+In ''/etc/httpd/conf.d/git.conf'':<code>
+# Git-smart HTTP/HTTPS back-end
+SetEnv GIT_PROJECT_ROOT /var/www/git
+SetEnv GIT_HTTP_EXPORT_ALL
+ScriptAlias /git/ /usr/libexec/git-core/git-http-backend/
+<Directory "/usr/libexec/git-core">
+	Options +ExecCGI
+	Order deny,allow
+	AuthType Basic
+	AuthName "Private Git Access"
+	AuthUserFile /var/www/git/.htpasswd
+	Require valid-user
+</Directory>
+</code>
+=== ... or, for LDAP authentication ... ===
+Ensure ''mod_ldap'' is installed, then in ''/etc/httpd/conf.d/git.conf'':
+<code>
+<Directory "/usr/libexec/git-core">
+	Options +ExecCGI
+	Order deny,allow
+	AuthType Basic
+	AuthName "Private Git Access"
+	AuthBasicProvider ldap
+	AuthLDAPURL "ldap://cosmos.samudio.net/dc=samudio,dc=net?uid?sub?"
+	Require valid-user
+</Directory>
+</code>
+=== ... Active Directory AuthLDAPURL ... ===
+<code>AuthLDAPURL "ldap://ad-ldap-prod.uhc.com/dc=ms,dc=ds,dc=uhc,dc=com?sAMAccountName?sub?(objectCategory=person)(objectClass=user)"</code>
+=== ... add specific location auth ... ===
+<code>
+<LocationMatch "^/git/yourrepo.*">
+... add same LDAP constructs, except for ...
+	Require ldap-attribute sAMAccountName="yourlogin"
+</LocationMatch>
+</code>
  \\
 // Links: [[tech:start|Tech Info]] ... [[tech:devops:start|Devops Info]] // \\

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