New git plugin: git2

plugins/git2/README.md

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+## Git plugin
+**Maintainer:** [Stibbons](https://github.com/Stibbons)
+
+Compared to the first git plugin, this one adds several organised git aliases and increase the completion
+function provided by zsh. Please note that is is a complete rework, with many new aliases to relearn.
+
+

plugins/git2/_git-branch

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+#compdef git-branch
+
+_git-branch () 
+{
+  declare l c m d
+
+  l='--color --no-color -r -a --all -v --verbose --abbrev --no-abbrev'
+  c='-l -f --force -t --track --no-track --set-upstream --contains --merged --no-merged'
+  m='-m -M'
+  d='-d -D'
+
+  declare -a dependent_creation_args
+  if (( words[(I)-r] == 0 )); then
+    dependent_creation_args=(
+      "($l $m $d): :__git_branch_names"
+      "::start-point:__git_revisions")
+  fi
+
+  declare -a dependent_deletion_args
+  if (( words[(I)-d] || words[(I)-D] )); then
+    dependent_creation_args=
+    dependent_deletion_args=(
+      '-r[delete only remote-tracking branches]')
+    if (( words[(I)-r] )); then
+      dependent_deletion_args+='*: :__git_ignore_line_inside_arguments __git_remote_branch_names'
+    else
+      dependent_deletion_args+='*: :__git_ignore_line_inside_arguments __git_branch_names'
+    fi
+  fi
+
+  declare -a dependent_modification_args
+  if (( words[(I)-m] || words[(I)-M] )); then
+    dependent_creation_args=
+    dependent_modification_args=(
+      ':old or new branch name:__git_branch_names'
+      '::new branch name:__git_branch_names')
+  fi
+
+  _arguments -w -S -s \
+    "($c $m $d --no-color :)--color=-[turn on branch coloring]:: :__git_color_whens" \
+    "($c $m $d : --color)--no-color[turn off branch coloring]" \
+    "($c $m      -a --all)-r[list or delete only remote-tracking branches]" \
+    "($c $m $d : -r)"{-a,--all}"[list both remote-tracking branches and local branches]" \
+    "($c $m $d : -v --verbose)"{-v,--verbose}'[show SHA1 and commit subject line for each head]' \
+    "($c $m $d :)--abbrev=[set minimum SHA1 display-length]: :__git_guard_number length" \
+    "($c $m $d :)--no-abbrev[do not abbreviate sha1s]" \
+    "($l $m $d)-l[create the branch's reflog]" \
+    "($l $m $d -f --force)"{-f,--force}"[force the creation of a new branch]" \
+    "($l $m $d -t --track)"{-t,--track}"[set up configuration so that pull merges from the start point]" \
+    "($l $m $d)--no-track[override the branch.autosetupmerge configuration variable]" \
+    "($l $m $d)--set-upstream[set up configuration so that pull merges]" \
+    "($l $m $d)--contains=[only list branches which contain the specified commit]: :__git_committishs" \
+    "($l $m $d)--merged=[only list branches which are fully contained by HEAD]: :__git_committishs" \
+    "($l $m $d)--no-merged=[do not list branches which are fully contained by HEAD]: :__git_committishs" \
+    $dependent_creation_args \
+    "($l $c $d -M)-m[rename a branch and the corresponding reflog]" \
+    "($l $c $d -m)-M[rename a branch even if the new branch-name already exists]" \
+    $dependent_modification_args \
+    "($l $c $m -D)-d[delete a fully merged branch]" \
+    "($l $c $m -d)-D[delete a branch]" \
+    $dependent_deletion_args
+}
+
+(( $+functions[__git_ignore_line] )) ||
+__git_ignore_line () {
+  declare -a ignored
+  ignored=()
+  ((CURRENT > 1)) &&
+    ignored+=(${line[1,CURRENT-1]//(#m)[\[\]()\\*?#<>~\^]/\\$MATCH})
+  ((CURRENT < $#line)) &&
+    ignored+=(${line[CURRENT+1,-1]//(#m)[\[\]()\\*?#<>~\^]/\\$MATCH})
+  $* -F ignored
+}
+
+(( $+functions[__git_ignore_line_inside_arguments] )) ||
+__git_ignore_line_inside_arguments () {
+  declare -a compadd_opts
+
+  zparseopts -D -E -a compadd_opts V: J: 1 2 n f X: M: P: S: r: R: q F:
+
+  __git_ignore_line $* $compadd_opts
+}
+

plugins/git2/_git-remote

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+#compdef git-remote
+
+# NOTE: --track is undocumented.
+# TODO: --track, -t, --master, and -m should take remote branches, I guess.
+# NOTE: --master is undocumented.
+# NOTE: --fetch is undocumented.
+_git-remote () {
+  local curcontext=$curcontext state line
+  declare -A opt_args
+
+  _arguments -C \
+    ':command:->command' \
+    '*::options:->options' && ret=0
+
+  case $state in
+    (command)
+      declare -a commands
+
+      commands=(
+        'add:add a new remote'
+        'show:show information about a given remote'
+        'prune:delete all stale tracking branches for a given remote'
+        'update:fetch updates for a set of remotes'
+        'rm:remove a remote from .git/config and all associated tracking branches'
+        'rename:rename a remote from .git/config and update all associated tracking branches'
+        'set-head:sets or deletes the default branch'
+        'set-branches:changes the list of branches tracked by the named remote.'
+        'set-url:changes URL remote points to.'
+        )
+
+      _describe -t commands 'sub-command' commands && ret=0
+      ;;
+    (options)
+      case $line[1] in
+        (add)
+          _arguments \
+            '*'{--track,-t}'[track given branch instead of default glob refspec]:branch:__git_branch_names' \
+            '(--master -m)'{--master,-m}'[set the remote'\''s HEAD to point to given master branch]:branch:__git_branch_names' \
+            '(--fetch -f)'{--fetch,-f}'[run git-fetch on the new remote after it has been created]' \
+            ':branch name:__git_remotes' \
+            ':url:_urls' && ret=0
+          ;;
+        (show)
+          _arguments \
+            '-n[do not contact the remote for a list of branches]' \
+            ':remote:__git_remotes' && ret=0
+          ;;
+        (prune)
+          _arguments \
+            '(--dry-run -n)'{-n,--dry-run}'[do not actually prune, only list what would be done]' \
+            ':remote:__git_remotes' && ret=0
+          ;;
+        (update)
+          __git_remote-groups && ret=0
+          ;;
+        (rm)
+          __git_remotes && ret=0
+          ;;
+        (rename)
+          __git_remotes && ret=0
+          ;;
+        (set-url)
+          _arguments \
+            '*--push[manipulate push URLs]' \
+            '(--add)--add[add URL]' \
+            '(--delete)--delete[delete URLs]' \
+            ':branch name:__git_remotes' \
+            ':url:_urls' && ret=0
+          ;;
+
+      esac
+      ;;
+  esac
+}