89 lines
2.1 KiB
Bash
Executable File
89 lines
2.1 KiB
Bash
Executable File
#!/bin/sh
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# Open a GitHub file/blog page for FILE on LINE.
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## Usage: git-open FILE [LINE]
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## Open GitHub file/blob page for FILE on LINE. FILE is the path to the
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## file on disk; it must exist and be tracked with the current HEAD
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## revision. LINE is the line number or line number range (e.g., 10-50).
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##
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## Open foo/bar.rb in browser:
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## $ git-open foo/bar.rb
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##
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## Open foo/bar in browser w/ lines 50-57 highlighted:
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## $ git-open foo/bar.rb 50-57
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##
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## Open current file in vim on line 20:
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## :!git-open % 20
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##
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## https://github.com/jacobwg/dotfiles/blob/master/bin/github-open
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set -e
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FILE="$1"
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LINE="$2"
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# usage and help
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test -z "$FILE" -o "$FILE" = '--help' && {
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cat "$0" | grep '^##' | cut -c4- 1>&2
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exit 1
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}
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# bail out with message to stderr and exit status 1
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die() {
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echo "$(basename $0):" "$@" 1>&2
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exit 1
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}
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# figure out relative path to the file from the root
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# of the work tree
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path="$(basename $FILE)"
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cd $(dirname $FILE)
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while test ! -d .git ;
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do
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test "$(pwd)" = / && {
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echo "error: git repository not found" 1>&2
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exit 1
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}
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path="$(basename $(pwd))/$path"
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cd ..
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done
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# get the current branch in refs/heads/<branch> form
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ref=$(git symbolic-ref -q HEAD)
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test -n "$ref" ||
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die "you're not on a branch"
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# just the branch name please
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branch=$(echo "$ref" | sed 's@^refs/heads/@@')
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test -n "$branch" ||
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die "you're in a weird place; get on a local branch"
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# remote we're tracking
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remote=$(git config --get "branch.$branch.remote" || true)
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test -n "$remote" ||
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die "you're not tracking a remote branch"
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# remote branch we're tracking
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merge=$(
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(git config --get "branch.$branch.merge") |
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sed 's@refs/heads/@@'
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)
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test -n "$merge" ||
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die "you're not tracking a remote branch"
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# at this point we're in root of the work tree and $path is
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# the relative path to file.
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remote_url=$(git config --get remote.$remote.url)
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repo=$(echo "$remote_url" | sed 's/^.*:\(.*\)\.git/\1/')
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url="http://github.com/$repo/blob/$branch/$path"
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# debugging
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# echo "url: $remote_url"
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# echo "repo: $repo"
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# throw the line number on there if specified
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test -n "$LINE" && url="$url#L$LINE"
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open "$url"
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