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62 lines
2.0 KiB
62 lines
2.0 KiB
// Copyright 2025 The Gitea Authors. All rights reserved. |
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// SPDX-License-Identifier: MIT |
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package gitrepo |
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import ( |
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"context" |
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"fmt" |
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"regexp" |
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"strconv" |
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"code.gitea.io/gitea/modules/git/gitcmd" |
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) |
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// GetDiffShortStatByCmdArgs counts number of changed files, number of additions and deletions |
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// TODO: it can be merged with another "GetDiffShortStat" in the future |
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func GetDiffShortStatByCmdArgs(ctx context.Context, repo Repository, trustedArgs gitcmd.TrustedCmdArgs, dynamicArgs ...string) (numFiles, totalAdditions, totalDeletions int, err error) { |
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// Now if we call: |
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// $ git diff --shortstat 1ebb35b98889ff77299f24d82da426b434b0cca0...788b8b1440462d477f45b0088875 |
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// we get: |
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// " 9902 files changed, 2034198 insertions(+), 298800 deletions(-)\n" |
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cmd := gitcmd.NewCommand("diff", "--shortstat").AddArguments(trustedArgs...).AddDynamicArguments(dynamicArgs...) |
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stdout, err := RunCmdString(ctx, repo, cmd) |
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if err != nil { |
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return 0, 0, 0, err |
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} |
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return parseDiffStat(stdout) |
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} |
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var shortStatFormat = regexp.MustCompile( |
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`\s*(\d+) files? changed(?:, (\d+) insertions?\(\+\))?(?:, (\d+) deletions?\(-\))?`) |
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func parseDiffStat(stdout string) (numFiles, totalAdditions, totalDeletions int, err error) { |
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if len(stdout) == 0 || stdout == "\n" { |
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return 0, 0, 0, nil |
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} |
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groups := shortStatFormat.FindStringSubmatch(stdout) |
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if len(groups) != 4 { |
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return 0, 0, 0, fmt.Errorf("unable to parse shortstat: %s groups: %s", stdout, groups) |
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} |
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numFiles, err = strconv.Atoi(groups[1]) |
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if err != nil { |
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return 0, 0, 0, fmt.Errorf("unable to parse shortstat: %s. Error parsing NumFiles %w", stdout, err) |
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} |
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if len(groups[2]) != 0 { |
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totalAdditions, err = strconv.Atoi(groups[2]) |
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if err != nil { |
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return 0, 0, 0, fmt.Errorf("unable to parse shortstat: %s. Error parsing NumAdditions %w", stdout, err) |
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} |
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} |
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if len(groups[3]) != 0 { |
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totalDeletions, err = strconv.Atoi(groups[3]) |
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if err != nil { |
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return 0, 0, 0, fmt.Errorf("unable to parse shortstat: %s. Error parsing NumDeletions %w", stdout, err) |
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} |
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} |
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return numFiles, totalAdditions, totalDeletions, err |
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}
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