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f7e2d436de
When users configure a TUI/interactive diff pager (e.g., diffnav, tig) via `git config pager.diff`, fzf preview panes show blank output because TUI pagers require a TTY that fzf previews don't provide. Add FORGIT_PREVIEW_PAGER env var that overrides the diff pager only in fzf preview context. Preview detection relies on a FORGIT_IN_PREVIEW marker set by a new `_forgit_preview` wrapper, so the override applies only to preview commands and leaves fullscreen behavior unchanged. Fixes #491
69 lines
1.7 KiB
Bash
69 lines
1.7 KiB
Bash
#!/usr/bin/env bash
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function set_up_before_script() {
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source bin/git-forgit
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FORGIT="bin/git-forgit"
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# Ignore global git config files
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export GIT_CONFIG_SYSTEM=/dev/null
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export GIT_CONFIG_GLOBAL=/dev/null
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cd "$(bashunit::temp_dir)" || return 1
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git init --quiet
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git config user.name "Test User"
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git config user.email "test@example.com"
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touch tracked.txt
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git add tracked.txt
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git commit -m "init" --quiet
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}
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function test_forgit_pager_uses_preview_pager_only_in_explicit_preview_context() {
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local without_marker with_marker
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without_marker=$(
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FORGIT_DIFF_PAGER="printf diff" \
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FORGIT_PREVIEW_PAGER="printf preview" \
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FZF_PREVIEW_COLUMNS=80 \
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_forgit_pager diff
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)
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with_marker=$(
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FORGIT_DIFF_PAGER="printf diff" \
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FORGIT_PREVIEW_PAGER="printf preview" \
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FORGIT_IN_PREVIEW=1 \
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_forgit_pager diff
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)
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assert_same "diff" "$without_marker"
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assert_same "preview" "$with_marker"
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}
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function _forgit_capture_preview_flag() {
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printf '%s' "${FORGIT_IN_PREVIEW:-unset}"
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}
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function test_forgit_preview_wrapper_marks_preview_context() {
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local actual
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actual=$(_forgit_preview capture_preview_flag 2>/dev/null || true)
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assert_same "1" "$actual"
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}
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function test_forgit_diff_preview_command_uses_preview_wrapper() {
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bashunit::mock "fzf" 'printf "%s" "$FZF_DEFAULT_OPTS"'
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local output
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output=$(_forgit_diff)
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assert_contains "--preview=\"$FORGIT preview diff_view {}" "$output"
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}
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function test_forgit_show_preview_command_uses_preview_wrapper() {
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bashunit::mock "fzf" 'printf "%s" "$FZF_DEFAULT_OPTS"'
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local output
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output=$(_forgit_show HEAD)
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assert_contains "--preview=\"$FORGIT preview show_preview {}" "$output"
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}
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