mirror/pcottle.learnGitBranching
1
0
Fork 0
mirror of https://github.com/pcottle/learnGitBranching.git synced 2025-06-25 23:48:34 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

better level filenames and slightly less silly names for better usage

Browse source
This commit is contained in:
Peter Cottle 2013-03-23 15:41:10 -07:00
parent f5484ac7e7
commit b768f7a083
20 changed files with 297 additions and 297 deletions
Download patch file Download diff file Expand all files Collapse all files

101
src/levels/advanced/multipleParents.js Normal file
View file

@ -0,0 +1,101 @@
exports.level = {
"goalTreeString": "{\"branches\":{\"master\":{\"target\":\"C7\",\"id\":\"master\"},\"bugWork\":{\"target\":\"C2\",\"id\":\"bugWork\"}},\"commits\":{\"C0\":{\"parents\":[],\"id\":\"C0\",\"rootCommit\":true},\"C1\":{\"parents\":[\"C0\"],\"id\":\"C1\"},\"C2\":{\"parents\":[\"C1\"],\"id\":\"C2\"},\"C3\":{\"parents\":[\"C1\"],\"id\":\"C3\"},\"C4\":{\"parents\":[\"C3\"],\"id\":\"C4\"},\"C5\":{\"parents\":[\"C2\"],\"id\":\"C5\"},\"C6\":{\"parents\":[\"C4\",\"C5\"],\"id\":\"C6\"},\"C7\":{\"parents\":[\"C6\"],\"id\":\"C7\"}},\"HEAD\":{\"target\":\"master\",\"id\":\"HEAD\"}}",
"solutionCommand": "git branch bugWork master^^2^",
"startTree": "{\"branches\":{\"master\":{\"target\":\"C7\",\"id\":\"master\"}},\"commits\":{\"C0\":{\"parents\":[],\"id\":\"C0\",\"rootCommit\":true},\"C1\":{\"parents\":[\"C0\"],\"id\":\"C1\"},\"C2\":{\"parents\":[\"C1\"],\"id\":\"C2\"},\"C3\":{\"parents\":[\"C1\"],\"id\":\"C3\"},\"C4\":{\"parents\":[\"C3\"],\"id\":\"C4\"},\"C5\":{\"parents\":[\"C2\"],\"id\":\"C5\"},\"C6\":{\"parents\":[\"C4\",\"C5\"],\"id\":\"C6\"},\"C7\":{\"parents\":[\"C6\"],\"id\":\"C7\"}},\"HEAD\":{\"target\":\"master\",\"id\":\"HEAD\"}}",
"name": {
"en_US": "Multiple parents"
},
"hint": {
"en_US": "Use `git branch bugWork` with a target commit to create the missing reference."
},
"startDialog": {
"en_US": {
"childViews": [
{
"type": "ModalAlert",
"options": {
"markdowns": [
"### Specifying Parents",
"",
"Like the `~` modifier, the `^` modifier also accepts an optional number after it.",
"",
"Rather than specifying the number of generations to go back (what `~` takes), the modifier on `^` specifies which parent reference to follow from a merge commit. Remember that merge commits have multiple parents, so the path to choose is ambiguous.",
"",
"Git will normally follow the \"first\" parent upwards from a merge commit, but specifying a number with `^` changes this default behavior.",
"",
"Enough talking, let's see it in action.",
""
]
}
},
{
"type": "GitDemonstrationView",
"options": {
"beforeMarkdowns": [
"Here we have a merge commit. If we checkout `master^` without the modifier, we will follow the first parent after the merge commit. ",
"",
"(*In our visuals, the first parent is positioned directly above the merge commit.*)"
],
"afterMarkdowns": [
"Easy -- this is what we are all used to."
],
"command": "git checkout master^",
"beforeCommand": "git checkout HEAD^; git commit; git checkout master; git merge C2"
}
},
{
"type": "GitDemonstrationView",
"options": {
"beforeMarkdowns": [
"Now let's try specifying the second parent instead..."
],
"afterMarkdowns": [
"See? We followed the other parent upwards."
],
"command": "git checkout master^2",
"beforeCommand": "git checkout HEAD^; git commit; git checkout master; git merge C2"
}
},
{
"type": "GitDemonstrationView",
"options": {
"beforeMarkdowns": [
"The `^` and `~` modifiers can make moving around a commit tree very powerful:"
],
"afterMarkdowns": [
"Lightning fast!"
],
"command": "git checkout HEAD~; git checkout HEAD^2; git checkout HEAD~2",
"beforeCommand": "git commit; git checkout C0; git commit; git commit; git commit; git checkout master; git merge C5; git commit"
}
},
{
"type": "GitDemonstrationView",
"options": {
"beforeMarkdowns": [
"Even crazier, these modifiers can be chained together! Check this out:"
],
"afterMarkdowns": [
"The same movement as before, but all in one command."
],
"command": "git checkout HEAD~^2~2",
"beforeCommand": "git commit; git checkout C0; git commit; git commit; git commit; git checkout master; git merge C5; git commit"
}
},
{
"type": "ModalAlert",
"options": {
"markdowns": [
"### Put it to practice",
"",
"To complete this level, create a new branch at the specified destination.",
"",
"Obviously it would be easy to specify the commit directly (with something like `C6`), but I challenge you to use the modifiers we talked about instead!"
]
}
}
]
}
}
};