2017-06-09 23:52:56 +00:00
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#!/usr/bin/env bash
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# assert_ref_unmoved ensures that the previous and current SHA1 of a given ref
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# is equal by string comparison:
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#
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# assert_ref_unmoved "HEAD" "$previous_sha" "$current_sha"
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#
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# If the two are unequal (the ref has moved), a message is printed to stderr and
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# the program exits.
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assert_ref_unmoved() {
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local name="$1"
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local prev_sha="$2"
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local current_sha="$3"
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if [ "$prev_sha" != "$current_sha" ]; then
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echo >&2 "$name should not have moved (from: $prev_sha, to: $current_sha)"
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exit 1
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fi
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}
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2018-04-14 09:47:20 +00:00
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# setup_local_branch_with_gitattrs creates a repository as follows:
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2017-06-26 17:27:21 +00:00
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#
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# A---B
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# \
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# refs/heads/master
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#
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# - Commit 'A' has 120, in a.txt, and a corresponding entry in .gitattributes.
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setup_local_branch_with_gitattrs() {
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set -e
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reponame="migrate-single-remote-branch-with-attrs"
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remove_and_create_local_repo "$reponame"
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base64 < /dev/urandom | head -c 120 > a.txt
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git add a.txt
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git commit -m "initial commit"
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git lfs track "*.txt"
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git lfs track "*.other"
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git add .gitattributes
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git commit -m "add .gitattributes"
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}
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2018-05-26 00:11:14 +00:00
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# setup_local_branch_with_nested_gitattrs creates a repository as follows:
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#
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# A---B
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# \
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# refs/heads/master
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#
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# - Commit 'A' has 120, in a.txt, and a corresponding entry in .gitattributes. There is also
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# 140 in a.md, with no corresponding entry in .gitattributes.
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# It also has 140 in subtree/a.md, and a corresponding entry in subtree/.gitattributes
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setup_local_branch_with_nested_gitattrs() {
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set -e
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2018-05-31 18:26:58 +00:00
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reponame="nested-attrs"
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2018-05-26 00:11:14 +00:00
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remove_and_create_local_repo "$reponame"
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2018-05-31 18:26:58 +00:00
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mkdir b
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2018-05-26 00:11:14 +00:00
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base64 < /dev/urandom | head -c 120 > a.txt
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base64 < /dev/urandom | head -c 140 > a.md
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2018-05-31 18:26:58 +00:00
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base64 < /dev/urandom | head -c 140 > b/a.md
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2018-05-26 00:11:14 +00:00
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2018-05-31 18:26:58 +00:00
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git add a.txt a.md b/a.md
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2018-05-26 00:11:14 +00:00
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git commit -m "initial commit"
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git lfs track "*.txt"
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git add .gitattributes
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git commit -m "add .gitattributes"
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2018-05-31 18:26:58 +00:00
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cd b
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2018-05-26 00:11:14 +00:00
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git lfs track "*.md"
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cd ..
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2018-05-31 18:26:58 +00:00
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git add b/.gitattributes
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2018-05-26 00:11:14 +00:00
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git commit -m "add nested .gitattributes"
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}
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2018-06-28 21:58:41 +00:00
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# setup_single_local_branch_tracked creates a repository as follows:
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#
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# A---B
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# \
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# refs/heads/master
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#
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# - Commit 'A' has 120, in a.txt and 140 in a.md, with both files tracked as
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# pointers in Git LFS
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setup_single_local_branch_tracked() {
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set -e
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reponame="migrate-single-remote-branch-with-attrs"
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remove_and_create_local_repo "$reponame"
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git lfs track "*.txt" "*.md"
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git add .gitattributes
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git commit -m "initial commit"
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base64 < /dev/urandom | head -c 120 > a.txt
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base64 < /dev/urandom | head -c 140 > a.md
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git add a.txt a.md
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git commit -m "add a.{txt,md}"
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}
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commands/command_migrate.go: introduce '--fixup' flag on 'import'
A common invocation of the 'git lfs migrate import' command is with
'--include' and/or '--exclude' flag(s), which specify wildmatch
pattern(s) for which paths to migrate and/or not migrate.
This is useful for retroactively importing a set of files into Git LFS's
care, or fixing up a file that should have been tracked by Git LFS but
was accidentally committed as a large object instead.
In the later case, it is often the reality that a user will run 'git lfs
migrate --import' with an '--include' path that they believe will gather
the file (and the file alone). This approach is brittle because it
requires the user to infer not only the applicable pattern but the
meaning of that pattern. It also requires the user to run more than one
migration when fixing multiple types of files.
The .gitattributes file(s) contained within a repository provide an
authoritative source on what file(s) are considered by Git to be tracked
in Git LFS. We can use this information to infer the correct patterns to
``fix up'' a broken repository.
In the simplest case, if a repository's .gitattributes file contains the
following:
*.txt filter=lfs merge=lfs diff=lfs -text
But a .txt file matched by that pattern is not parse-able as an LFS
pointer, it will appear as unable to checkout.
Running 'git lfs migrate import --fixup --everything' will correctly
traverse history and find the affected .txt file, read it, create an
object file for it, and store it as an LFS pointer in history.
Thus, a user can run one command which will recognize arbitrarily
complex problems where a file should be tracked by Git LFS, but isn't.
Later, this feature could be combined with the new 'git lfs migrate
export' functionality to also clean files _out_ of Git LFS to object
files when they are not supposed to be tracked as Git LFS objects.
2018-07-06 19:20:02 +00:00
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# setup_single_local_branch_tracked_corrupt creates a repository as follows:
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#
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# A
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# \
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# refs/heads/master
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#
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# - Commit 'A' has 120 bytes of random data in a.txt, and tracks *.txt under Git
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# LFS, but a.txt is not stored as an LFS object.
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setup_single_local_branch_tracked_corrupt() {
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set -e
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reponame="migrate-single-locla-branch-with-attrs-corrupt"
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remove_and_create_local_repo "$reponame"
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git lfs track "*.txt"
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git lfs uninstall
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base64 < /dev/urandom | head -c 120 > a.txt
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git add .gitattributes a.txt
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git commit -m "initial commit"
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git lfs install
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}
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2017-06-21 20:49:18 +00:00
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# setup_multiple_local_branches creates a repository as follows:
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2017-06-09 23:52:56 +00:00
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#
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# B
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# / \
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# A refs/heads/my-feature
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# \
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# refs/heads/master
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#
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# - Commit 'A' has 120, 140 bytes of data in a.txt, and a.md, respectively.
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#
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# - Commit 'B' has 30 bytes of data in a.txt, and includes commit 'A' as a
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# parent.
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setup_multiple_local_branches() {
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set -e
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reponame="migrate-info-multiple-local-branches"
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remove_and_create_local_repo "$reponame"
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base64 < /dev/urandom | head -c 120 > a.txt
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base64 < /dev/urandom | head -c 140 > a.md
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git add a.txt a.md
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git commit -m "initial commit"
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git checkout -b my-feature
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base64 < /dev/urandom | head -c 30 > a.md
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git add a.md
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git commit -m "add an additional 30 bytes to a.md"
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git checkout master
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}
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2018-05-26 00:11:14 +00:00
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# setup_multiple_local_branches_with_gitattrs creates a repository in the same way
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# as setup_multiple_local_branches, but also adds relevant lfs filters to the
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# .gitattributes file in the master branch
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setup_multiple_local_branches_with_gitattrs() {
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set -e
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setup_multiple_local_branches
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git lfs track *.txt
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git lfs track *.md
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git add .gitattributes
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git commit -m "add .gitattributes"
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}
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2018-06-23 00:11:44 +00:00
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# setup_multiple_local_branches_tracked creates a repo with exactly the same
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# structure as in setup_multiple_local_branches, but with all files tracked by
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# Git LFS
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setup_multiple_local_branches_tracked() {
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set -e
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reponame="migrate-info-multiple-local-branches"
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remove_and_create_local_repo "$reponame"
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git lfs track "*.txt" "*.md"
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git add .gitattributes
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git commit -m "initial commit"
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base64 < /dev/urandom | head -c 120 > a.txt
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base64 < /dev/urandom | head -c 140 > a.md
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git add a.txt a.md
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git commit -m "add a.{txt,md}"
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git checkout -b my-feature
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base64 < /dev/urandom | head -c 30 > a.md
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git add a.md
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git commit -m "add an additional 30 bytes to a.md"
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git checkout master
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}
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2018-03-21 00:37:02 +00:00
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# setup_local_branch_with_space creates a repository as follows:
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#
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# A
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# \
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# refs/heads/master
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#
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# - Commit 'A' has 50 bytes in a file named "a file.txt".
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setup_local_branch_with_space() {
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set -e
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reponame="migrate-local-branch-with-space"
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filename="a file.txt"
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remove_and_create_local_repo "$reponame"
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base64 < /dev/urandom | head -c 50 > "$filename"
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git add "$filename"
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git commit -m "initial commit"
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}
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2017-06-09 23:52:56 +00:00
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# setup_single_remote_branch creates a repository as follows:
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#
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# A---B
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# \ \
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# \ refs/heads/master
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# \
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# refs/remotes/origin/master
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#
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# - Commit 'A' has 120, 140 bytes of data in a.txt, and a.md, respectively. It
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# is the latest commit pushed to the remote 'origin'.
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#
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# - Commit 'B' has 30, 50 bytes of data in a.txt, and a.md, respectively.
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setup_single_remote_branch() {
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set -e
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reponame="migrate-info-single-remote-branch"
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remove_and_create_remote_repo "$reponame"
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base64 < /dev/urandom | head -c 120 > a.txt
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base64 < /dev/urandom | head -c 140 > a.md
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git add a.txt a.md
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git commit -m "initial commit"
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git push origin master
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base64 < /dev/urandom | head -c 30 > a.txt
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base64 < /dev/urandom | head -c 50 > a.md
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git add a.md a.txt
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git commit -m "add an additional 30, 50 bytes to a.{txt,md}"
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}
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2018-05-26 00:11:14 +00:00
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setup_single_remote_branch_with_gitattrs() {
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set -e
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setup_single_remote_branch
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git lfs track *.txt
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git lfs track *.md
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git add .gitattributes
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git commit -m "add .gitattributes"
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}
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2018-06-21 21:03:54 +00:00
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# Creates a repo identical to setup_single_remote_branch, except with *.md and
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2018-06-23 00:11:44 +00:00
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# *.txt files tracked by Git LFS
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2018-06-21 21:03:54 +00:00
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setup_single_remote_branch_tracked() {
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set -e
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reponame="migrate-info-single-remote-branch"
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remove_and_create_remote_repo "$reponame"
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git lfs track "*.md" "*.txt"
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git add .gitattributes
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git commit -m "initial commit"
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base64 < /dev/urandom | head -c 120 > a.txt
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base64 < /dev/urandom | head -c 140 > a.md
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git add a.txt a.md
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git commit -m "add a.{txt,md}"
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git push origin master
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base64 < /dev/urandom | head -c 30 > a.txt
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base64 < /dev/urandom | head -c 50 > a.md
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git add a.md a.txt
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git commit -m "add an additional 30, 50 bytes to a.{txt,md}"
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}
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2017-06-09 23:52:56 +00:00
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# setup_multiple_remote_branches creates a repository as follows:
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#
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# C
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# / \
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# A---B refs/heads/my-feature
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# \ \
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# \ refs/heads/master
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# \
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# refs/remotes/origin/master
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#
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# - Commit 'A' has 10, 11 bytes of data in a.txt, and a.md, respectively. It is
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# the latest commit pushed to the remote 'origin'.
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#
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# - Commit 'B' has 20, 21 bytes of data in a.txt, and a.md, respectively.
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#
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# - Commit 'C' has 30, 31 bytes of data in a.txt, and a.md, respectively. It is
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# the latest commit on refs/heads/my-feature.
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setup_multiple_remote_branches() {
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set -e
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reponame="migrate-info-exclude-remote-refs-given-branch"
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remove_and_create_remote_repo "$reponame"
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base64 < /dev/urandom | head -c 10 > a.txt
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base64 < /dev/urandom | head -c 11 > a.md
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git add a.txt a.md
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git commit -m "add 10, 11 bytes, a.{txt,md}"
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git push origin master
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base64 < /dev/urandom | head -c 20 > a.txt
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base64 < /dev/urandom | head -c 21 > a.md
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git add a.txt a.md
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git commit -m "add 20, 21 bytes, a.{txt,md}"
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2018-06-23 00:11:44 +00:00
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git checkout -b my-feature
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base64 < /dev/urandom | head -c 30 > a.txt
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base64 < /dev/urandom | head -c 31 > a.md
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git add a.txt a.md
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git commit -m "add 30, 31 bytes, a.{txt,md}"
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git checkout master
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}
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|
# Creates a repo identical to that in setup_multiple_remote_branches(), but
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# with all files tracked by Git LFS
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|
|
setup_multiple_remote_branches_gitattrs() {
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set -e
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reponame="migrate-info-exclude-remote-refs-given-branch"
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remove_and_create_remote_repo "$reponame"
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git lfs track "*.txt" "*.md"
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git add .gitattributes
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git commit -m "initial commit"
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base64 < /dev/urandom | head -c 10 > a.txt
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base64 < /dev/urandom | head -c 11 > a.md
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git add a.txt a.md
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git commit -m "add 10, 11 bytes, a.{txt,md}"
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git push origin master
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base64 < /dev/urandom | head -c 20 > a.txt
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base64 < /dev/urandom | head -c 21 > a.md
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git add a.txt a.md
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git commit -m "add 20, 21 bytes, a.{txt,md}"
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2017-06-09 23:52:56 +00:00
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git checkout -b my-feature
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base64 < /dev/urandom | head -c 30 > a.txt
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base64 < /dev/urandom | head -c 31 > a.md
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git add a.txt a.md
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git commit -m "add 30, 31 bytes, a.{txt,md}"
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git checkout master
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|
}
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|
2017-12-11 23:23:52 +00:00
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# setup_single_local_branch_with_tags creates a repository as follows:
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#
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# A---B
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# |\
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# | refs/heads/master
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# |
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# \
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# refs/tags/v1.0.0
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#
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# - Commit 'A' has 1 byte of data in 'a.txt'
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|
# - Commit 'B' has 2 bytes of data in 'a.txt', and is tagged at 'v1.0.0'.
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|
|
setup_single_local_branch_with_tags() {
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|
set -e
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|
reponame="migrate-single-local-branch-tags"
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|
remove_and_create_local_repo "$reponame"
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|
base64 < /dev/urandom | head -c 1 > a.txt
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|
git add a.txt
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|
git commit -m "initial commit"
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|
base64 < /dev/urandom | head -c 2 > a.txt
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git add a.txt
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|
git commit -m "secondary commit"
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|
git tag "v1.0.0"
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|
|
}
|
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|
|
# setup_single_local_branch_with_annotated_tags creates a repository as follows:
|
|
|
|
#
|
|
|
|
# A---B
|
|
|
|
# |\
|
|
|
|
# | refs/heads/master
|
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|
|
# |
|
|
|
|
# \
|
|
|
|
# refs/tags/v1.0.0 (annotated)
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|
|
#
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|
|
|
# - Commit 'A' has 1 byte of data in 'a.txt'
|
|
|
|
# - Commit 'B' has 2 bytes of data in 'a.txt', and is tagged (with annotation)
|
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|
|
# at 'v1.0.0'.
|
|
|
|
setup_single_local_branch_with_annotated_tags() {
|
|
|
|
set -e
|
|
|
|
|
|
|
|
reponame="migrate-single-local-branch-annotated-tags"
|
|
|
|
|
|
|
|
remove_and_create_local_repo "$reponame"
|
|
|
|
|
|
|
|
base64 < /dev/urandom | head -c 1 > a.txt
|
|
|
|
|
|
|
|
git add a.txt
|
|
|
|
git commit -m "initial commit"
|
|
|
|
|
|
|
|
base64 < /dev/urandom | head -c 2 > a.txt
|
|
|
|
|
|
|
|
git add a.txt
|
|
|
|
git commit -m "secondary commit"
|
|
|
|
git tag "v1.0.0" -m "v1.0.0"
|
|
|
|
}
|
|
|
|
|
2018-06-13 19:07:19 +00:00
|
|
|
setup_multiple_remotes() {
|
|
|
|
set -e
|
|
|
|
|
|
|
|
reponame="migrate-multiple-remotes"
|
|
|
|
remove_and_create_remote_repo "$reponame"
|
|
|
|
|
|
|
|
forkname="$(git remote -v \
|
|
|
|
| head -n1 \
|
|
|
|
| cut -d ' ' -f 1 \
|
|
|
|
| sed -e 's/^.*\///g')-fork"
|
|
|
|
( setup_remote_repo "$forkname" )
|
|
|
|
|
|
|
|
git remote add fork "$GITSERVER/$forkname"
|
|
|
|
|
|
|
|
base64 < /dev/urandom | head -c 16 > a.txt
|
|
|
|
git add a.txt
|
|
|
|
git commit -m "initial commit"
|
|
|
|
git push origin master
|
|
|
|
|
|
|
|
base64 < /dev/urandom | head -c 16 > a.txt
|
|
|
|
git add a.txt
|
|
|
|
git commit -m "another commit"
|
|
|
|
git push fork master
|
|
|
|
}
|
|
|
|
|
2017-08-08 16:58:01 +00:00
|
|
|
# setup_single_local_branch_deep_trees creates a repository as follows:
|
|
|
|
#
|
|
|
|
# A
|
|
|
|
# \
|
|
|
|
# refs/heads/master
|
|
|
|
#
|
|
|
|
# - Commit 'A' has 120 bytes of data in 'foo/bar/baz/a.txt'.
|
|
|
|
setup_single_local_branch_deep_trees() {
|
|
|
|
set -e
|
|
|
|
|
|
|
|
reponame="migrate-single-local-branch-with-deep-trees"
|
|
|
|
remove_and_create_local_repo "$reponame"
|
|
|
|
|
|
|
|
mkdir -p foo/bar/baz
|
|
|
|
base64 < /dev/urandom | head -c 120 > foo/bar/baz/a.txt
|
|
|
|
|
|
|
|
git add foo/bar/baz/a.txt
|
|
|
|
git commit -m "initial commit"
|
2018-04-14 09:47:20 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
# setup_local_branch_with_symlink creates a repository as follows:
|
|
|
|
#
|
|
|
|
# A
|
|
|
|
# \
|
|
|
|
# refs/heads/master
|
|
|
|
#
|
|
|
|
# - Commit 'A' has 120, in a.txt, and a symbolic link link.txt to a.txt.
|
|
|
|
setup_local_branch_with_symlink() {
|
|
|
|
set -e
|
|
|
|
|
|
|
|
reponame="migrate-single-local-branch-with-symlink"
|
|
|
|
|
|
|
|
remove_and_create_local_repo "$reponame"
|
|
|
|
|
|
|
|
base64 < /dev/urandom | head -c 120 > a.txt
|
|
|
|
|
2018-04-27 06:33:29 +00:00
|
|
|
git add a.txt
|
2018-04-14 09:47:20 +00:00
|
|
|
git commit -m "initial commit"
|
2018-04-27 06:33:29 +00:00
|
|
|
|
|
|
|
add_symlink "a.txt" "link.txt"
|
|
|
|
git commit -m "add symlink"
|
2017-08-08 16:58:01 +00:00
|
|
|
}
|
|
|
|
|
2017-07-05 16:29:23 +00:00
|
|
|
# make_bare converts the existing full checkout of a repository into a bare one,
|
|
|
|
# and then `cd`'s into it.
|
|
|
|
make_bare() {
|
|
|
|
reponame=$(basename "$(pwd)")
|
|
|
|
mv .git "../$reponame.git"
|
|
|
|
|
|
|
|
cd ..
|
|
|
|
|
|
|
|
rm -rf "$reponame"
|
|
|
|
cd "$reponame.git"
|
|
|
|
|
|
|
|
git config --bool core.bare true
|
|
|
|
}
|
|
|
|
|
2017-06-09 23:52:56 +00:00
|
|
|
# remove_and_create_local_repo removes, creates, and checks out a local
|
|
|
|
# repository given by a particular name:
|
|
|
|
#
|
|
|
|
# remove_and_create_local_repo "$reponame"
|
|
|
|
remove_and_create_local_repo() {
|
2017-10-27 15:06:12 +00:00
|
|
|
local reponame="$(base64 < /dev/urandom | head -c 8 | $SHASUM | cut -f 1 -d ' ')-$1"
|
2017-06-09 23:52:56 +00:00
|
|
|
|
|
|
|
git init "$reponame"
|
|
|
|
cd "$reponame"
|
|
|
|
}
|
|
|
|
|
|
|
|
# remove_and_create_remote_repo removes, creates, and checks out a remote
|
|
|
|
# repository both locally and on the gitserver, given by a particular name:
|
|
|
|
#
|
|
|
|
# remove_and_create_remote_repo "$reponame"
|
|
|
|
remove_and_create_remote_repo() {
|
2017-10-27 15:06:12 +00:00
|
|
|
local reponame="$(base64 < /dev/urandom | head -c 8 | $SHASUM | cut -f 1 -d ' ')-$1"
|
2017-06-09 23:52:56 +00:00
|
|
|
|
|
|
|
setup_remote_repo "$reponame"
|
|
|
|
clone_repo "$reponame" "$reponame"
|
|
|
|
}
|